CN209896759U - Transfer switch for FEPS emergency power supply equipment - Google Patents
Transfer switch for FEPS emergency power supply equipment Download PDFInfo
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- CN209896759U CN209896759U CN201920616864.4U CN201920616864U CN209896759U CN 209896759 U CN209896759 U CN 209896759U CN 201920616864 U CN201920616864 U CN 201920616864U CN 209896759 U CN209896759 U CN 209896759U
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Abstract
The utility model provides a change over switch for FEPS emergency power supply equipment, be provided with the sensor interface on the casing respectively, the commercial power interface, the emergency power interface, the stand-by power source interface, power output interface and the interface that discharges, commercial power interface is connected to change over switch's an input, power output interface is connected to change over switch's output, emergency power interface and select switch's input is connected respectively to first switch circuit's switch, stand-by power interface and select switch's input is connected respectively to second switch circuit's switch, the interface that discharges is connected to select switch's an output, another input of change over switch is connected to another output of select switch, sensor interface connection microcontroller's input, first switch circuit of microcontroller's output control connection and second switch circuit. The change-over switch for the FEPS emergency power supply equipment has the advantages of scientific design, strong practicability, simple structure and convenience in use.
Description
Technical Field
The utility model relates to a change over switch for FEPS emergency power supply equipment.
Background
The FEPS fire-fighting equipment emergency power supply is important power supply equipment of fire-fighting equipment such as emergency lighting lamps and lanterns, fire-fighting water pumps in present buildings, and when the commercial power appears unusually, will start FEPS emergency power supply and provide the electric power guarantee for emergency lighting lamps and lanterns, fire-fighting equipment. The FEPS emergency power supply generally adopts a battery as an energy storage element, and after the FEPS emergency power supply is started, the battery provides an alternating current power supply for electric equipment through an inverter circuit and the like. Because the FEPS emergency power supply is only used when the mains supply is powered off, and with the progress of the technology, the mains supply power off is an emergency in most cases, namely, batteries of the FEPS emergency power supply are usually in a long-term storage state. Lead-acid batteries are easy to damage and affect the battery capacity after being stored for a long time, and lithium batteries are easy to damage and affect the battery capacity after being stored for a long time in a full-power state. The charge and discharge amount of the lithium battery is preferably twenty percent to eighty percent, and the periodic charge and discharge is further beneficial to prolonging the service life of the battery, but the conventional power supply change-over switch cannot meet the change-over of cyclic charge and discharge.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at the not enough of prior art to a change over switch for FEPS emergency power supply equipment that design science, practicality are strong, simple structure, convenient to use is provided.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a change-over switch for FEPS emergency power supply equipment comprises a shell, and a microcontroller, a change-over switch, a first switch circuit, a second switch circuit and a selection switch which are respectively arranged in the shell, wherein the shell is respectively provided with a sensor interface, a mains supply interface, an emergency power supply interface, a standby power supply interface, a power output interface and a discharge interface, one input end of the change-over switch is connected with the mains supply interface, the output end of the change-over switch is connected with the power output interface, the switch of the first switch circuit is respectively connected with the input ends of the emergency power supply interface and the selection switch, the switch of the second switch circuit is respectively connected with the input ends of the standby power supply interface and the selection switch, one output end of the selection switch is connected with the discharge interface, and the other output end of the selection switch is connected with the other input end of the, the sensor interface is connected with the input end of the microcontroller, and the output end of the microcontroller is connected with the first switch circuit and the second switch circuit in a control mode.
On the basis, the first switch circuit and the second switch circuit respectively comprise a resistor R1, a resistor R2, a resistor R3, a diode D1, a triode Q1 and a relay K1, one end of the resistor R2 is connected with the microcontroller and is connected with the emitter of the triode Q1 through the resistor R3, the other end of the resistor R2 is connected with the base of the triode Q1, the emitter of the triode Q1 is grounded, the collector of the triode Q1 is connected with a VCC power supply through the coil of the relay K1 and the resistor R1, the diode D1 is connected with the two ends of the coil of the relay K1 in parallel, the static contact of the relay K1 is connected with an emergency power interface or a standby power interface, and the movable contact of the relay K1 is connected with the input end of the selection switch.
Based on the above, the switch is a relay with two sets of contacts, a stationary contact of a first set of contacts of the switch is connected with the power output interface, and a first movable contact of the first set of contacts of the switch is connected with the mains supply interface; the selector switch is a second group of contacts of the selector switch, the fixed contact of the second group of contacts of the selector switch is an input end of the selector switch, a first movable contact of the second group of contacts of the selector switch is connected with the discharging interface, and a second movable contact of the second group of contacts of the selector switch is connected with a second movable contact of the first group of contacts of the selector switch.
Based on the above, the sensor interface is an emergency power supply voltage sensor interface and a standby power supply voltage sensor interface, and the emergency power supply voltage sensor interface and the standby power supply voltage sensor interface are respectively connected with the microcontroller.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses a mutually supporting of microcontroller, change over switch, first switch circuit, second switch circuit and selector switch, according to actual need, when satisfying commercial power and emergency power source's switching, can select through first switch circuit, second switch circuit and selector switch circuit as required and switch, to emergency battery and reserve battery charge-discharge that circulates, it has the design science, the practicality is strong, simple structure, convenient to use's advantage.
Drawings
Fig. 1 is a block diagram schematically illustrating the structure of the present invention.
Fig. 2 is a schematic diagram of the circuit structure of the switching circuit of the present invention.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
As shown in fig. 1 and fig. 2, a change-over switch for FEPS emergency power supply equipment includes a housing, and a microcontroller, a change-over switch, a first switch circuit, a second switch circuit, and a selection switch respectively disposed in the housing, where the housing is respectively provided with a sensor interface, a mains supply interface, an emergency power supply interface, a standby power supply interface, a power output interface, and a discharge interface, one input end of the change-over switch is connected to the mains supply interface, an output end of the change-over switch is connected to the power output interface, switches of the first switch circuit are respectively connected to the input ends of the emergency power supply interface and the selection switch, switches of the second switch circuit are respectively connected to the input ends of the standby power supply interface and the selection switch, one output end of the selection switch is connected to the discharge interface, and the other output end of the selection switch is connected to the other input end of, the sensor interface is connected with the input end of the microcontroller, and the output end of the microcontroller is connected with the first switch circuit and the second switch circuit in a control mode.
Outside the casing, commercial power interface connection mains supply, emergency power source interface is used for connecting emergency battery, and emergency power source interface is used for connecting backup battery, and power output interface is used for connecting consumer, and the interface that discharges is used for connecting the consumer that discharges or directly through discharge circuit ground connection, in this embodiment the sensor interface is emergency power voltage sensor interface and backup power voltage sensor interface, is used for gathering emergency battery's voltage and backup battery's voltage respectively. Inside the casing, the mains supply interface is connected through change over switch to the power outlet in order to use electrical equipment to connect the commercial power, and select switch-on discharge interface under the normal condition, emergency power supply voltage sensor interface and stand-by power supply voltage sensor interface are connected respectively microcontroller, microcontroller are used for controlling emergency battery or stand-by battery to discharge through the discharge interface when first switch circuit or second switch circuit switch on according to the break-make of voltage detection information control first switch circuit and second switch circuit. When the mains supply is powered off, the change-over switch is disconnected with the mains supply interface, the selection switch is disconnected with the discharging interface, the change-over switch is connected with the selection switch, namely, the selection switch is connected with the power supply output port through the change-over switch, and the conduction of the emergency power supply interface or the standby power supply interface and the power supply output port can be controlled by controlling the conduction of the first switch circuit or the second switch circuit, namely, the switching-over electric equipment is switched on the emergency battery or the standby battery.
Specifically, the first switch circuit and the second switch circuit respectively include resistance R1, resistance R2, resistance R3, diode D1, triode Q1 and relay K1, one end of resistance R2 is connected the microcontroller and passes through resistance R3 connects the emitter of triode Q1, the other end of resistance R2 is connected the base of triode Q1, the emitter of triode Q1 is grounded, the collector of triode Q1 passes through the coil of relay K1 and resistance R1 connect the VCC power supply, diode D1 connects in parallel at both ends of relay K1 coil, emergency power source interface or standby power source interface is connected to the stationary contact of relay K1, the movable contact of relay K1 connects the input of selector switch. The static contact of the relay K1, namely the contact 1 of the relay K1 in the figure, is connected with an emergency power supply interface or a standby power supply interface, and the contact 3 is connected with the input end of the selector switch. The OUT1 end is connected with the output end of the microcontroller, when the microcontroller has no signal output, the base of the triode Q1 is at low level, the triode Q1 is cut off, the coil of the relay K1 is not electrified, and the contact 1 and the contact 3 of the relay are disconnected; when the microcontroller outputs a control signal, the base electrode of the triode Q1 is at a high level, the triode Q1 is conducted, the coil of the relay K1 is connected with the VCC power supply to conduct, and the contact 1 and the contact 3 of the relay K1 are connected and conducted. In practice, the shell is further provided with a power supply interface, the shell is internally provided with a power supply conversion circuit, the power supply interface outside the shell is connected with an emergency battery or a standby battery, and the power supply interface in the shell supplies voltage to the microcontroller and the switch circuit through the power supply conversion circuit. In this embodiment, the microcontroller is a single chip microcomputer, and the model is STM32F 103.
In this embodiment, the switch is a relay with two sets of contacts, a stationary contact of a first set of contacts of the switch is connected to the power output interface, and a first movable contact of the first set of contacts of the switch is connected to the mains supply interface; the selector switch is a second group of contacts of the selector switch, the fixed contact of the second group of contacts of the selector switch is an input end of the selector switch, a first movable contact of the second group of contacts of the selector switch is connected with the discharging interface, and a second movable contact of the second group of contacts of the selector switch is connected with a second movable contact of the first group of contacts of the selector switch. The coil of the change-over switch is connected with a mains supply interface to form a loop, when the mains supply is electrified, the coil of the change-over switch is electrified, the fixed contact of the first group of contacts of the change-over switch is connected with the first movable contact, the fixed contact of the second group of contacts is connected with the first movable contact, the power output interface is connected with the mains supply interface through the fixed contact and the first movable contact of the first group of contacts of the change-over switch, the discharge interface is connected with the first switch circuit and the second switch circuit through the fixed contact and the first movable contact of the second group of contacts of the change-over switch, the first switch circuit is disconnected with the second switch circuit, and the discharge interface is not connected with an emergency power supply interface or a standby power supply. When the mains supply is powered off, the coil of the selector switch is powered off, the fixed contact of the first group of contacts of the selector switch is connected with the second movable contact, the fixed contact of the second group of contacts is connected with the second movable contact, the power output interface is disconnected with the mains supply interface, the discharge interface is disconnected with the selector switch, and the power output interface is respectively connected with the first switch circuit and the second switch circuit through the selector switch and the selector switch. Under normal conditions, the electric equipment is connected with commercial power through a fixed contact and a first movable contact of the selector switch, the discharge circuit is connected with the first switch circuit and the second switch circuit through the selector switch, the first switch circuit and the second switch circuit are disconnected, and the discharge circuit is not connected with an emergency battery or a standby battery. At this time, the electric quantity of the emergency battery is full electric quantity, and the electric quantity of the standby battery is eighty percent electric quantity. When the mains supply is powered off, the fixed contact and the second movable contact of the selector switch are connected, the output end of the selector switch is switched to the second movable contact which is connected with the selector switch, the emergency battery is in a full-power state according to the detection information of the first voltage sensor and the second voltage sensor, the microcontroller controls the first switch circuit to be connected, and the emergency battery supplies power for the electric equipment in an emergency mode through the first switch circuit, the selector switch and the selector switch. And when the emergency battery is charged and discharged circularly, the first switch circuit is switched on, and the emergency battery is discharged through the first switch circuit and the selection switch connected with the discharge circuit. The first voltage sensor detects the voltage of the emergency battery, when the electric quantity is lower than a preset value, such as twenty percent of full electric quantity, the microcontroller controls the first switch circuit to be switched off, and the FEPS power supply equipment normally charges the emergency battery; if the mains supply is powered off, the fixed contact and the second movable contact of the selector switch are connected, the output end of the selector switch is switched to the second movable contact which is connected with the selector switch, the electric quantity of the standby battery is larger than that of the emergency battery according to the detection information of the first voltage sensor and the second voltage sensor, the microcontroller controls the first switch circuit to be disconnected and controls the second switch circuit to be connected, and the standby battery supplies power for the electric equipment in an emergency mode through the second switch circuit, the selector switch and the selector switch. During actual use, the standby battery and the emergency battery are alternately charged and discharged in a circulating mode, so that the standby battery and the emergency battery are maintained.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (4)
1. A diverter switch for a FEPS emergency power supply apparatus, characterized by: comprises a shell, and a microcontroller, a change-over switch, a first switch circuit, a second switch circuit and a selection switch which are respectively arranged in the shell, wherein the shell is respectively provided with a sensor interface, a commercial power interface, an emergency power interface, a standby power interface, a power output interface and a discharge interface, one input end of the change-over switch is connected with the commercial power interface, the output end of the change-over switch is connected with the power output interface, the switch of the first switch circuit is respectively connected with the input ends of the emergency power interface and the selection switch, the switch of the second switch circuit is respectively connected with the input ends of the standby power interface and the selection switch, one output end of the selection switch is connected with the discharge interface, the other output end of the selection switch is connected with the other input end of the change-over switch, and the sensor interface is connected with the input end, and the output end of the microcontroller is in control connection with the first switch circuit and the second switch circuit.
2. The diverter switch for a FEPS emergency power supply apparatus as claimed in claim 1, wherein: the first switch circuit and the second switch circuit respectively comprise a resistor R1, a resistor R2, a resistor R3, a diode D1, a triode Q1 and a relay K1, one end of the resistor R2 is connected with the microcontroller and is connected with an emitter of the triode Q1 through the resistor R3, the other end of the resistor R2 is connected with a base of the triode Q1, an emitter of the triode Q1 is grounded, a collector of the triode Q1 is connected with a VCC power supply through a coil of the relay K1 and the resistor R1, the diode D1 is connected with two ends of the coil of the relay K1 in parallel, a static contact of the relay K1 is connected with an emergency power supply interface or a standby power supply interface, and a movable contact of the relay K1 is connected with an input end of the selection switch.
3. The diverter switch for a FEPS emergency power supply apparatus as claimed in claim 1, wherein: the change-over switch is a relay with two groups of contacts, a static contact of a first group of contacts of the change-over switch is connected with the power output interface, and a first movable contact of the first group of contacts of the change-over switch is connected with the mains supply interface; the selector switch is a second group of contacts of the selector switch, the fixed contact of the second group of contacts of the selector switch is an input end of the selector switch, a first movable contact of the second group of contacts of the selector switch is connected with the discharging interface, and a second movable contact of the second group of contacts of the selector switch is connected with a second movable contact of the first group of contacts of the selector switch.
4. The diverter switch for a FEPS emergency power supply apparatus as claimed in claim 1, wherein: the sensor interface is an emergency power supply voltage sensor interface and a standby power supply voltage sensor interface, and the emergency power supply voltage sensor interface and the standby power supply voltage sensor interface are respectively connected with the microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920616864.4U CN209896759U (en) | 2019-04-30 | 2019-04-30 | Transfer switch for FEPS emergency power supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920616864.4U CN209896759U (en) | 2019-04-30 | 2019-04-30 | Transfer switch for FEPS emergency power supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209896759U true CN209896759U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920616864.4U Active CN209896759U (en) | 2019-04-30 | 2019-04-30 | Transfer switch for FEPS emergency power supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209896759U (en) |
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2019
- 2019-04-30 CN CN201920616864.4U patent/CN209896759U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20210910 Address after: 450000 No. 23, 4th floor, building 10, West Zone, Hongnan road and Qingyang street, high tech Zone, Zhengzhou, Henan Patentee after: Zhengzhou Shangchao Software Technology Co.,Ltd. Address before: Room 24, 4th floor, building 10, 338 Lianhua street, high tech Industrial Development Zone, Zhengzhou City, Henan Province, 450000 Patentee before: ZHENGZHU KE NENG DA TECHNOLOGY Co.,Ltd. |