CN218733330U - Platform door system power - Google Patents
Platform door system power Download PDFInfo
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- CN218733330U CN218733330U CN202222769814.4U CN202222769814U CN218733330U CN 218733330 U CN218733330 U CN 218733330U CN 202222769814 U CN202222769814 U CN 202222769814U CN 218733330 U CN218733330 U CN 218733330U
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Abstract
An embodiment of the utility model provides a platform door system power relates to the circuit power field. The platform door system power supply comprises: the device comprises a driving power supply, a control power supply and a storage battery pack; the driving power supply includes: the charging device comprises a driving module, a charging module and a driving direct current bus; the control power supply includes: the control module, the voltage reduction module and the control direct current bus; the storage battery pack is provided with an independent charging module; a first diode is arranged between the storage battery pack and the driving direct current bus, and a second diode is arranged between the storage battery pack and the control direct current bus. The driving power supply and the control power supply share one storage battery, so that the aims of saving the installation and maintenance cost and improving the anti-interference performance are fulfilled.
Description
Technical Field
The utility model relates to a circuit power field especially relates to a platform door system power.
Background
With the rapid development of economy in China, the function of domestic rail transit facilities in cities is more and more important, and a platform door system is produced in order to ensure the safe and smooth operation of rail transit. The energy source of the platform door system is electric energy, and a special power supply system needs to be installed on the platform door system to ensure that the platform sliding door, the monitoring system and the external interface are effectively powered. Considering that a power supply system of a platform door of the rail transit is a primary load, an alternating current power supply is provided by a power lighting system through a double-power-supply switching box arranged in a platform door equipment room. The power supply technical scheme used by most platform door power supply systems does not uniformly connect the driving power supply and the control power supply to the storage battery pack, and due to the influence of factors that the loads of the driving power supply and the control power supply are small and the performance of a small-capacity storage battery is unstable, the installation and maintenance cost is high, and the anti-interference performance of the use cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a platform door system power through a storage battery of drive power supply and control power sharing, has reached and has saved installation maintenance cost and has improved interference immunity's purpose. In order to achieve the purpose of the invention, the following technical scheme is adopted:
in a first aspect, the present invention provides a platform door system power supply, comprising: the device comprises a driving power supply, a control power supply and a storage battery pack;
the driving power supply includes: the driving module is connected with the charging module in parallel, the output end of the driving module is electrically connected to the first end of a driving direct current bus, the second end of the driving direct current bus is used for electrically connecting a platform door and/or a safety door load, and the output end of the charging module is electrically connected to the storage battery pack;
the control power supply includes: controlling a direct current bus;
the storage battery pack is respectively and electrically connected with the first ends of the driving direct current bus and the control direct current bus and used for supplying power to the driving direct current bus and the control direct current bus.
Furthermore, a first diode is arranged on a circuit node between the storage battery pack and the first end of the driving direct current bus, and a second diode is arranged on a circuit node between the storage battery pack and the first end of the control direct current bus.
Further, the control power supply further includes: and the output end of the control module is electrically connected with the first end of the control direct current bus.
Further, the control dc bus includes: the voltage reduction circuit comprises a first control direct current bus and a second control direct current bus, wherein the first end of the second control direct current bus is electrically connected to the first control direct current bus, and a voltage reduction module is arranged on the second control direct current bus.
Further, the output voltage of the first control direct current bus is 110V.
Further, the second control flow bus has an output voltage of 24V.
Further, the output voltage of the driving direct current bus is 110V.
The utility model discloses simplify power supply circuit, simplify the circuit that originally needs two storage battery into only needing a storage battery, realized a storage battery's of drive power supply and control power sharing technique, reached and saved the purpose of installing the maintenance cost and improving interference immunity. A first diode is arranged between the storage battery pack and the driving direct current bus, and a second diode is arranged between the storage battery pack and the control direct current bus, so that the purpose of isolation and rectification is achieved. The driving direct-current bus connected with the driving module and the first control direct-current bus connected with the control module provide 110V voltage output, and the second control direct-current bus connected with the voltage reduction module provides 24V voltage output, so that the purposes that the driving power supply and the control power supply are tightly combined and are mutually independent are achieved. The technology saves batteries, is simple in wiring, has no positive and negative polarity requirements, and greatly shortens the construction difficulty and the cost.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the present invention will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained without inventive efforts.
Fig. 1 is a schematic block diagram of a circuit topology according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a power supply for a platform door system according to an embodiment of the present invention;
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
Example one
Fig. 1 is a schematic block diagram of a power supply circuit topology for a platform door system according to an embodiment of the present invention;
fig. 2 is a schematic circuit topology diagram of a power supply of a platform door system according to an embodiment of the present invention;
referring to fig. 1 and 2, the present invention provides a power supply for a platform door system, including: the device comprises a driving power supply, a control power supply and a storage battery pack;
the driving power supply includes: the system comprises a first alternating current input terminal, a driving module AD1 and a charging module AD2, wherein the driving module AD1 and the charging module AD2 are electrically connected to the first alternating current input terminal, the output end of the driving module AD1 is electrically connected to the first end of a driving direct current bus 1, the second end of the driving direct current bus 1 is used for electrically connecting a platform door and/or a safety door load (not shown in the figure because the output end is not part of a system power supply), and the output end of the charging module AD2 is electrically connected to the storage battery pack DC; the first alternating current input terminal is electrically connected to a 380V alternating current power supply; in some embodiments, the driving dc bus output voltage is 110V.
The control power supply includes: controlling a direct current bus; in some embodiments, the control dc bus comprises: the direct current bus voltage-reducing circuit comprises a first control direct current bus 2 and a second control direct current bus 3, wherein a first end of the second control direct current bus 3 is electrically connected to the first control direct current bus 2, and a voltage-reducing module AD4 is arranged on the second control direct current bus 3.
The storage battery pack DC is electrically connected to the first ends of the driving direct current bus and the control direct current bus respectively and used for supplying power to the driving direct current bus 1 and the control direct current buses 2 and 3.
A first diode D1 is arranged on a circuit node between the storage battery pack DC and the first end of the driving direct current bus 1, and a second diode D2 is arranged on a circuit node between the storage battery pack DC and the first end of the control direct current bus.
The control power supply further includes: and the output end of the control module AD3 is electrically connected to the first ends of the control direct current buses 2 and 3.
The charging system comprises a driving module AD1, a charging module AD2 and a driving direct current bus 1, wherein the driving module AD1 is connected with the charging module AD2 in parallel, the output end of the driving module AD1 is electrically connected to the first end of the driving direct current bus 1, the second end of the driving direct current bus 1 is used for electrically connecting a platform door and/or a safety door load, and the output end of the charging module AD2 is electrically connected to the storage battery pack DC;
the output voltage of the driving direct current bus 1 is 110V;
the control power supply includes: the voltage-reducing control circuit comprises a control module AD3, a voltage-reducing module AD4, a first control direct-current bus and a second control direct-current bus, wherein the output end of the control module is electrically connected to the first end of the first control direct-current bus; the input end of the voltage reduction module is connected to the first control direct current bus in a hanging mode, and the output end of the voltage reduction module is electrically connected with the second control direct current bus;
the input ends of the driving power supply and the control power supply are respectively electrically connected with a 380V alternating current power supply through power lines. When the alternating current is cut off, the charging module AD2 and the driving module AD1 stop working, the storage battery DC supplies power to the gate unit driving motor through the first diode D1, once the alternating current returns to normal, the charging module AD2 and the driving module AD1 start to work normally, and the storage battery DC stops discharging immediately and turns to a charging state.
The storage battery pack DC is respectively and electrically connected to the first ends of the driving direct current bus 1 and the control direct current bus and is used for supplying power to the driving direct current bus 1 and the control direct current bus when the alternating current power supply is abnormal;
the driving power supply, the control power supply and the storage battery pack are mutually independent and tightly combined, and provide stable electric energy supply for load equipment.
The input end of the charging module AD2 is electrically connected with a 380V alternating current power supply, the output end of the charging module AD2 provides 110V voltage output, and when the alternating current power supply is input normally, the charging module AD2 supplies power;
the control power supply further includes: the output end of the control module AD3 is electrically connected to the first end of the control direct-current bus;
the control direct current bus comprises: the voltage reduction circuit comprises a first control direct current bus and a second control direct current bus, wherein the first end of the second control direct current bus is electrically connected to the first control direct current bus, and a voltage reduction module AD4 is arranged on the second control direct current bus;
the charging module AD2 power supply working state and the storage battery DC power supply working state can be instantly switched; the direct current bus is directly hung on a control direct current bus through a second diode D2, and the power supply working state of the control module AD3 and the DC power supply working state of the storage battery pack can be instantly switched;
when the alternating current input is normal, the control module AD3 outputs 110V direct current voltage on a first control direct current bus, the bus is connected with the input end of a voltage reduction module AD4, and the output end of the voltage reduction module AD4 is connected with a second control flow bus;
the step-down module AD4 output voltage is 24V, the second control flow bus output voltage is 24V.
In this embodiment, a front 380V ac power supply is used for power supply. When the power supply of the alternating current power supply is normal, the charging module AD2 charges the storage battery, the driving module AD1 provides the load required by normal work of the door unit driving motor, and the charging module AD2 and the driving module AD1 are controlled by the intelligent monitoring system at the same time; the alternating current power supply outputs 110V voltage to a control direct current bus through the charging module AD3, and the bus is connected with the voltage reduction module AD4. When the alternating current is powered off, the charging module AD2 and the driving module AD1 stop working, and the storage battery DC supplies power to the gate unit driving motor through the first diode D1; meanwhile, the charging module AD3 stops working, and the second diode D2 of the storage battery pack DC directly provides power load for the 110V direct current bus and the voltage reduction module AD4, so that uninterrupted power supply of the 110V direct current bus and the 24V direct current bus is guaranteed.
The storage battery DC is directly hung on the driving direct current bus 1 through the first diode D1, so that the instantaneous switching of the two working states can be realized, and the direct current driving power supply is always in an online working mode.
In this embodiment, when the ac input of the system is normal, the charging module AD2 and the driving module AD1 are powered. The charging module AD2 converts three-phase alternating current into direct current to charge the battery, and the driving module AD1 converts the three-phase alternating current into direct current of 110VDC to provide normal working current for platform door/safety door loads.
When the AC input is in power failure or abnormal state, the mode is switched to the battery mode to work, and the battery supplies power to the platform door/safety door load. The monitoring module monitors the voltage and the discharge time of the battery, and gives an alarm when the battery discharges to a set under-voltage point. The AC input returns to normal charging of the battery.
Therefore, in the embodiment of the invention, the driving power supply and the control power supply share the storage battery pack, and the storage battery pack is provided with the independent charging module, so that the platform door power supply consists of the driving power supply, the control power supply and the storage battery power supply which are independent from each other and tightly combined to provide a stable power supply for load equipment, the independent requirements of the driving power supply and the control power supply are ensured, and the problems of low cost performance and interference caused by respectively arranging the storage battery packs are avoided.
Claims (7)
1. A platform door system power supply comprising: the device comprises a driving power supply, a control power supply and a storage battery pack;
the driving power supply includes: the driving module is connected with the charging module in parallel, the output end of the driving module is electrically connected to the first end of a driving direct-current bus, the second end of the driving direct-current bus is used for electrically connecting a platform door and/or a safety door load, and the output end of the charging module is electrically connected to the storage battery pack;
the control power supply includes: controlling a direct current bus;
the storage battery pack is respectively and electrically connected with the first ends of the driving direct current bus and the control direct current bus and used for supplying power to the driving direct current bus and the control direct current bus.
2. A platform door system power supply according to claim 1, wherein a first diode is provided on a circuit node between the battery pack and the first end of the drive dc bus and a second diode is provided on a circuit node between the battery pack and the first end of the control dc bus.
3. A platform door system power supply according to claim 2, wherein the control power supply further comprises: and the output end of the control module is electrically connected with the first end of the control direct current bus.
4. A platform door system power supply according to claim 3, wherein the control dc bus comprises: the voltage reduction circuit comprises a first control direct current bus and a second control direct current bus, wherein the first end of the second control direct current bus is electrically connected to the first control direct current bus, and a voltage reduction module is arranged on the second control direct current bus.
5. A platform door system power supply according to claim 4, wherein the first control DC bus output voltage is 110V.
6. A platform door system power supply according to claim 4, wherein the second control DC bus output voltage is 24V.
7. A platform door system power supply according to claim 1, wherein the drive dc bus output voltage is 110V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222769814.4U CN218733330U (en) | 2022-10-20 | 2022-10-20 | Platform door system power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222769814.4U CN218733330U (en) | 2022-10-20 | 2022-10-20 | Platform door system power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218733330U true CN218733330U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222769814.4U Active CN218733330U (en) | 2022-10-20 | 2022-10-20 | Platform door system power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218733330U (en) |
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2022
- 2022-10-20 CN CN202222769814.4U patent/CN218733330U/en active Active
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