CN210246394U - Switch power supply system and switch - Google Patents
Switch power supply system and switch Download PDFInfo
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- CN210246394U CN210246394U CN201921557267.5U CN201921557267U CN210246394U CN 210246394 U CN210246394 U CN 210246394U CN 201921557267 U CN201921557267 U CN 201921557267U CN 210246394 U CN210246394 U CN 210246394U
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Abstract
The utility model discloses a switch electrical power generating system through falling detection circuitry, battery power measurement chip, controller, electronic switch and alarm and between the connection combination, can reach the purpose of real-time supervision UPS power to report to the police by the alarm when the UPS power is in the commercial power state of falling the power, in time remind relevant personnel. When the UPS power is in the power-off state, in order to avoid the UPS power to continuously output the electric energy and lead to the electric quantity to exhaust, the utility model discloses well link to each other with the controller still include electronic switch, when the battery power of battery power measurement chip measurement UPS power is less than the threshold value, by the power supply circuit of controller control electronic switch disconnection in order to cut off the UPS power, the UPS power just can not continue external discharge again this moment, avoids the electric quantity to exhaust and influences the life of UPS power. Furthermore, the utility model also discloses a switch, the effect is as above.
Description
Technical Field
The utility model relates to a network communication field, in particular to be used for switch electrical power generating system and switch.
Background
With the rapid development of internet technology, people's daily life is more and more unable to leave networks, and the switch, as an important device for completing information exchange in a communication system, can be connected with networks of the same type, and can also play an interconnection role between networks of different types, and the stability of the performance of the switch is crucial to the stability of the network.
Generally, the switch is directly powered by the mains supply, and when the mains supply is suddenly powered off, the switch immediately is in a power failure state, so that the whole network is interrupted. In order to avoid the situation that the switch can be in a non-working state when the mains supply is powered off, the switch can be supplied with Power by an Uninterruptible Power Supply (UPS). When the mains supply is input normally, the UPS supplies the mains supply to the switchboard for use after stabilizing the voltage of the mains supply, and the UPS is an alternating current mains supply voltage stabilizer and also charges a battery in the UPS; when the commercial power is interrupted, the UPS immediately supplies the 220V alternating current to the exchanger by the electric energy of the battery in the UPS through an inversion conversion method, so that the aim of supplying power to the exchanger uninterruptedly is fulfilled.
When the utility power is interrupted, although the UPS power can continue to supply power to the switch by using the battery in the main body, the battery capacity of the battery in the UPS power is also limited, and if the utility power is interrupted for a long time and the UPS power continuously discharges, the battery capacity in the UPS power is exhausted, which affects the service life of the UPS power.
Therefore, how to monitor the power state of the UPS power source in real time and avoid the problem that the battery power inside the UPS power source is exhausted and the service life of the UPS power source is further affected due to continuous discharge of the UPS power source when the utility power is interrupted for a long time is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to disclose a switch electrical power generating system and switch can carry out real-time supervision and can in time report to the police to the power state of UPS power, has avoided the commercial power to last discharge and lead to the inside battery power of UPS power to exhaust and influence the life of UPS power by the UPS power when interrupting for a long time simultaneously.
In order to achieve the above purpose, the embodiment of the utility model discloses following technical scheme:
first, the embodiment of the utility model discloses switch electrical power generating system, include:
the UPS power supply is connected with the power input end of the switch body and is used for supplying power to the switch body uninterruptedly;
the rectifying circuit is connected with the electric energy output end of the UPS;
the battery electric quantity metering chip is connected with the rectifying circuit and is used for metering the electric quantity of the battery in the UPS;
the controller is connected with the battery electric quantity metering chip and is used for controlling the battery electric quantity metering chip to meter the electric quantity of the battery;
the electronic switch is connected with the controller and used for controlling the electronic switch to be disconnected so as to cut off a power supply circuit for supplying power to the switchboard body by the UPS when the electric quantity of the battery is lower than a threshold value;
the power failure detection circuit is connected to a circuit loop of the UPS and the controller and is used for detecting the power failure of the mains supply of the UPS;
and the alarm is connected with the controller and used for alarming when the UPS is in a mains supply power failure state.
Optionally, the power failure detection circuit specifically includes:
the filtering module is connected to a circuit loop of the UPS and the commercial power;
the power failure detection device comprises an isolation module connected with the filtering module and a power failure detection module connected with the isolation module.
Optionally, the filtering module specifically includes: the circuit comprises a first resistor, a diode, a second resistor and a capacitor;
a first end of the first resistor is connected with a voltage output end of the UPS power supply, and a second end of the first resistor is connected with an anode of the diode;
the cathode of the diode is respectively connected with the first end of the second resistor and the first end of the capacitor, the second end of the second resistor is connected with the second end of the capacitor, and the second end of the second resistor and the second end of the capacitor are both connected with the negative electrode of the UPS power supply.
Optionally, the isolation module specifically includes: a third resistor, a fuse and an optocoupler;
the first end of the third resistor is respectively connected with the first end of the capacitor and the first end of the second resistor;
the second end of the third resistor is connected with the first end of the fuse;
the second end of the fuse is connected with the anode of a photosensitive diode in the optical coupler;
and the cathode of the photosensitive diode is respectively connected with the second end of the capacitor and the second end of the second resistor.
Optionally, the power failure detection module specifically includes: the power supply unit, the fourth resistor and the power failure detection bit;
the first end of the fourth resistor is connected with the power supply unit;
the second end of the fourth resistor is respectively connected with a collector of a bipolar transistor of the optocoupler and the power failure detection position;
the emitter of the bipolar transistor is grounded; the power failure detection bit is connected with the controller.
Optionally, the alarm is specifically a buzzer and/or a red-blue lamp.
Optionally, the method further includes: and the display device is connected with the controller and used for displaying the electric quantity of the battery.
Optionally, the electronic switch is specifically a relay, a control circuit of the relay is connected to the controller, and a main circuit of the relay is connected to a power supply circuit of the UPS power supply for supplying power to the switch body.
Optionally, the model of the battery power metering chip is specifically AD 7755.
Second, the embodiment of the utility model discloses a switch, include: the switch body still includes: a switch power supply system as claimed in any one of the above.
The utility model discloses a switch power supply system, the UPS power of being connected with the power input end of switch body carries out uninterrupted power supply for the switch body, the battery power in the battery power measurement chip measurement UPS power that the rectifier circuit that is connected with the electric energy output of UPS power links to each other, the battery power of controller control battery power measurement chip measurement UPS power that is connected with battery power measurement chip, furthermore, the power failure detection circuit that still has the circuit loop that inserts the UPS power that links to each other with the controller is in order to carry out the commercial power and fall the electric detection to the UPS power, the alarm of being connected with the power failure detection circuit is in order to report to the police when the commercial power falls the electric state at the UPS power, through this scheme, can reach the purpose of real-time supervision UPS power, and report to the police by the alarm when the commercial power falls the electric state at the UPS power. When the UPS power is in the power-off state, in order to avoid the UPS power to continuously output the electric energy and lead to the electric quantity to exhaust, the utility model discloses well link to each other with the controller still include electronic switch, when the battery power of battery power measurement chip measurement UPS power is less than the threshold value, by the power supply circuit of controller control electronic switch disconnection in order to cut off the UPS power, the UPS power just can not continue external discharge again this moment, avoids the electric quantity to exhaust and influences the life of UPS power. Furthermore, the utility model also discloses a switch, the effect is as above.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power supply system of a switch according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power failure detection circuit in a switch power supply system according to a second embodiment of the present invention;
fig. 3 is a schematic circuit structure diagram of a power failure detection circuit in a switch power supply system according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a power supply system of a switch according to a third embodiment of the present invention;
fig. 5 is a schematic diagram of a switch according to a fourth embodiment of the present invention.
Reference numerals:
1: a switch power system; 2: a switch body; 3: a switch; 10: a UPS power supply; 20: a rectifying circuit; 30: a battery electric quantity metering chip; 40: a controller; 50: an electronic switch; 60: a power-down detection circuit; 70: an alarm; 100: a filtering module; 101: an isolation module; 102: a power failure detection module; 80: a display device.
R1: a first resistor; r2: a second resistor; d1: a diode; c1: a capacitor; r3: a third resistor; FU: a fuse; OC: an optical coupler; d2: a light emitting diode; q1: a bipolar transistor; r4: a fourth resistor; 1020: a power down detection bit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
The embodiment of the utility model provides a combine fig. 1 right the utility model discloses a technical scheme explains, please refer to fig. 1, and fig. 1 is the utility model discloses a switch electrical power generating system's that first kind of embodiment discloses structural schematic diagram, switch electrical power generating system 1 includes: and the UPS power supply 10 is connected with the power input end of the switch body 2 and is used for supplying power to the switch body 2 uninterruptedly.
And a rectification circuit 20 connected to a power output terminal of the UPS power supply 10.
And a battery charge metering chip 30 connected to the rectifying circuit 20 for metering the battery charge of the UPS power supply 10.
And a controller 40 connected to the battery power metering chip 30 for controlling the battery power metering chip 30 to meter the battery power.
And the electronic switch 50 is connected with the controller 40 and is used for controlling the electronic switch 50 to be disconnected so as to cut off a power supply circuit for supplying power to the switch body 2 by the UPS (uninterrupted power supply) 10 when the battery power is lower than a threshold value.
And a power-down detection circuit 60, which is connected to the circuit loop of the UPS power supply 10 and is connected to the controller 40, and is used for performing mains power-down detection on the UPS power supply 10.
And the alarm 70 is connected with the controller 40 and is used for alarming when the UPS 10 is in a mains power failure state.
Specifically, in the present embodiment, the structure of the UPS power supply 10 is not a modification of the embodiment of the present invention, and the specific structure thereof can be referred to in the prior art.
In addition, further describing the connection relationship in fig. 1, the power failure detection circuit 60 is connected to the electronic switch 50 in addition to the controller 40. Meanwhile, the UPS power source 10 is connected to the controller 40, the power failure detection circuit 60, and the like, for supplying power thereto. The rectifying circuit 20, the battery electricity metering chip 30, the controller 40, the electronic switch 50, the power failure detection circuit 60 and the alarm 70 may be integrated on a circuit board and packaged in a housing.
The rectifier circuit 20 is used for converting alternating current into direct current, the rectifier circuit 20 generally comprises a transformer, a rectifier main circuit and a filter, the transformer converts the voltage output by the UPS power supply 10 into voltage suitable for each circuit, the type of the rectifier circuit in the embodiment of the present invention can be a full-wave rectifier circuit, and the rectifier circuit generally comprises two rectifier diodes; a half-wave rectifier circuit, which generally consists of a rectifier diode to form a set of rectifier circuits; a bridge rectifier circuit, which generally includes four rectifier diodes to form a set of rectifier circuits; a voltage doubler rectifier circuit, which generally consists of at least two rectifier diodes forming a set of rectifier circuits. It should be noted that the specific structure of the rectifier circuit 20 is not the improvement of the present invention, and reference is made to the prior art.
The battery power of battery power measurement chip 30 in to UPS power 10 measures, and the model of battery power measurement chip 30 can be AD7755, CS5463 etc. to the concrete model of battery power chip 30 the embodiment of the utility model discloses do not do the injecion, as long as guarantee can measure the battery power in the UPS power 10 can. Wherein, as the utility model discloses optional embodiment, battery power measurement chip 30's model specifically is AD 7755.
The electronic switch 50 may be a thyristor, a relay, a transistor, a field effect transistor, etc., the electronic switch 50 is matched with the controller 40, when the battery power measured by the battery power measuring chip 30 is lower than a threshold, the controller 40 controls the electronic switch 50 to disconnect the power supply circuit for the switch body 2 by the UPS power supply 10, if the electronic switch 50 is a semiconductor device such as a fet, a transistor, a thyristor, etc., the electronic switch 50 corresponds to a cutoff threshold, the controller 40 is also provided with a threshold for disconnecting the battery power corresponding to the electronic switch 50, and when the battery power is lower than the threshold, the controller 40 sends an instruction to switch the electronic switch 50 from the on state to the off state, so that the power supply circuit formed by the UPS power supply 10 and the switch body 2 is disconnected. If the electronic switch 50 is a relay, a threshold value for disconnecting the battery capacity corresponding to the electronic switch 50 is provided in the controller 40, and when the battery capacity is lower than the threshold value, the controller 40 controls the normally closed contact of the relay connected to the power supply circuit formed between the UPS power supply 10 and the switch body 2 to be disconnected, so that the power supply circuit formed between the UPS power supply 10 and the switch body 2 is disconnected, and the power supply loss caused by continuous discharge of the UPS power supply 10 is avoided.
As the utility model discloses optional embodiment, electronic switch 50 specifically is the relay, and the control circuit and the controller 40 of relay are connected, and the major loop and the UPS power of relay are connected for the supply circuit that the switch body supplied power.
The size of threshold value can be confirmed according to the battery capacity in the UPS power, the embodiment of the utility model provides an in, the size of threshold value can be set for 10% of the battery capacity in the UPS power. It should be noted that, the size of the threshold may be determined according to actual situations, and the embodiment of the present invention is not limited herein.
Fall electric detection circuitry 60, it is right in order to realize to adopt the electric detection circuitry that falls among the prior art the embodiment of the utility model provides an in the commercial power fall electric detection. In this embodiment, in order to improve the accuracy that detection circuitry 60 falls to the mains detection, as the utility model discloses optional embodiment falls detection circuitry 60 and specifically includes: the UPS comprises a filtering module connected to a circuit loop of the UPS 10 and the commercial power, an isolation module connected with the filtering module and a power failure detection module connected with the isolation module.
The filtering module specifically includes: the circuit comprises a first resistor, a diode, a second resistor and a capacitor.
The first end of the first resistor is connected with the voltage output end of the UPS power supply 10, the second end of the first resistor is connected with the anode of the diode, the cathode of the diode is respectively connected with the first end of the second resistor and the first end of the capacitor, the second end of the second resistor is connected with the second end of the capacitor, and the second end of the second resistor and the second end of the capacitor are both connected with the cathode of the UPS power supply.
The isolation module specifically includes: third resistance, fuse and opto-coupler.
The first end of the third resistor is respectively connected with the first end of the capacitor and the first end of the second resistor.
The second end of the third resistor is connected to the first end of the fuse.
The second end of the fuse is connected with the anode of a photosensitive diode in the optical coupler;
and the cathode of the photosensitive diode is respectively connected with the second end of the capacitor and the second end of the second resistor.
The power failure detection module specifically comprises: the power supply unit, the fourth resistor and the power failure detection bit.
The first end of the fourth resistor is connected with the power supply unit, and the second end of the fourth resistor is respectively connected with the collector of the bipolar transistor of the optocoupler and the power failure detection position.
The emitter of the bipolar transistor is grounded.
The power down detection bit is coupled to the controller 40.
In this optional embodiment, the power supply unit may be a 5V power supply, taking the controller 40 as a 51-chip microcomputer as an example, when the UPS power supply 10 is connected to the mains supply, the mains supply passes through the first resistor and the diode and then is connected to the optocoupler and then is input to the 51-chip microcomputer through the power failure detection module, and when the 220V mains supply does not power down, the power failure count interrupted by the timer of the 51-chip microcomputer does not exceed the power failure threshold; when the 220V commercial power is powered down, the power down detection circuit 60 will continuously output an electrical signal of 5V, and the power down count of the timer interrupt will exceed the power down threshold. When the power-down count interrupted by the timer exceeds the power-down threshold, it indicates that the commercial power connected to the UPS power supply 10 is powered down, and at this time, the controller 40 controls the alarm to alarm.
After the mains supply is powered off, the UPS 10 supplies power to the switch body 2, the battery capacity of the UPS 10 is monitored in real time by the battery capacity metering chip 30, and when the battery capacity is lower than a threshold value, the electronic switch 50 is controlled to be disconnected by the single chip microcomputer 51 to interrupt the UPS to continuously supply power to the switch body 2.
It should be noted that, the embodiment of the present invention provides a battery power metering chip 30 continuously monitors the battery power of the UPS power supply 10, and not only monitors the battery power when the UPS power supply 10 supplies power for the switch body 2, in addition, the voltage output end of the UPS power supply is connected to the power failure detection circuit 60, and the voltage input end of the UPS power supply 10 is connected to the mains output end.
In the power supply system of the switch disclosed in the first embodiment of the utility model, the UPS connected with the power input end of the switch body supplies power to the switch body uninterruptedly, the battery capacity metering chip connected with the rectifying circuit connected with the power output end of the UPS measures the battery capacity in the UPS, the controller connected with the battery capacity metering chip controls the battery capacity metering chip to meter the battery capacity of the UPS power supply, and in addition, a power failure detection circuit connected with the controller and connected with a circuit loop of the UPS power supply for detecting the power failure of the mains supply of the inlet wire of the UPS power supply, an alarm connected with the power failure detection circuit is used for alarming when the UPS power supply is in a mains supply power failure state, through the scheme, the purpose of monitoring the UPS in real time can be achieved, and when the UPS is in a mains supply power-down state, the alarm gives an alarm to remind relevant personnel in time. When the UPS power is in the power-off state, in order to avoid the UPS power to continuously output the electric energy and lead to the electric quantity to exhaust, the utility model discloses well link to each other with the controller still include electronic switch, when the battery power of battery power measurement chip measurement UPS power is less than the threshold value, by the power supply circuit of controller control electronic switch disconnection in order to cut off the UPS power, the UPS power just can not continue external discharge again this moment, avoids the electric quantity to exhaust and influences the life of UPS power.
Example two
On the basis of the first embodiment, for right the utility model discloses a power down detection circuit carries out detailed explanation, and it is right to combine fig. 2 and fig. 3 below the utility model discloses a power down detection circuit explains, please see fig. 2 and fig. 3, and fig. 2 is the utility model discloses a second embodiment discloses a power down detection circuit's among switch electrical power generating system structural schematic diagram, and fig. 3 is the utility model discloses a second embodiment discloses a power down detection circuit's among the switch electrical power generating system circuit structural schematic diagram.
The power failure detection circuit 60 specifically includes: the UPS comprises a filtering module 100 connected with a power output end of the UPS 10, an isolation module 101 connected with the filtering module 100 and a power failure detection module 102 connected with the isolation module 101.
The filtering module 100 includes: the circuit comprises a first resistor R1, a diode D1, a second resistor R2 and a capacitor C1.
The first end of the first resistor R1 is connected with the power output end of the UPS 10, the second end of the first resistor R1 is connected with the anode of the diode D1, the cathode of the diode D1 is connected with the first end of the second resistor R2 and the first end of the capacitor C1 respectively, the second end of the second resistor R2 is connected with the second end of the capacitor C1, and the second end of the second resistor R2 and the second end of the capacitor C1 are both connected with the cathode of the UPS.
The isolation module 101 specifically includes: third resistance R3, fuse FU and opto-coupler OC.
A first end of the third resistor R3 is respectively connected with a first end of the capacitor C1 and a first end of the second resistor R2;
a second terminal of third resistor R3 is connected to a first terminal of fuse FU;
a second terminal of fuse FU is connected to the anode of a photodiode D2 in optocoupler 0C.
The cathode of the photodiode D2 is connected to the second terminal of the capacitor C1 and the second terminal of the second resistor R2, respectively.
The power failure detection module 102 specifically includes: a power supply unit VCC and a fourth resistor R4.
A first end of the fourth resistor R4 is connected to the power supply unit VCC, and a second end of the fourth resistor R4 is connected to a collector of a bipolar transistor Q1 of the optocoupler OC and the power-down detection bit 1020, respectively;
the emitter of the bipolar transistor Q1 is grounded.
Power down detection bit 1020 is coupled to controller 40.
Specifically, in this embodiment, to first resistance R1, second resistance R2, third resistance R3, diode D1, opto-coupler OC, fuse FU, electric capacity C1's specific model size can be confirmed according to the model of UPS power, the utility model discloses the type of opto-coupler OC in the embodiment of fig. 3 is only the illustration, and the type of the bipolar transistor in the opto-coupler OC can be the PNP type transistor in fig. 3, also can be NPN type transistor, and electric capacity can adopt polarity electric capacity. The embodiment of the utility model provides an in to its concrete model size do not do the restriction.
The voltage size of power supply unit VCC the embodiment of the utility model provides an optional 5V.
The utility model discloses a power failure detection circuit is disclosed by second embodiment, by filtering module, keep apart the module and fall the electric detection module and constitute, fall electric detection module and fall before the electric detection to UPS power inlet wire commercial power by falling electric detection module, get rid of signal clutter and keep apart the module and keep apart external disturbance signal through filtering module to guarantee to fall electric detection module and carry out the commercial power of high accuracy and fall electric detection, improved and fallen the electric detection module and fall the precision that electric detection detected to the commercial power.
EXAMPLE III
On the basis of the above-mentioned embodiment, in order to facilitate the relevant personnel to implement and know the battery power of the interior battery of UP power, the utility model discloses a third kind of embodiment, please refer to FIG. 4, FIG. 4 is the utility model discloses a switch electrical power generating system's that third kind of embodiment discloses structural schematic diagram, switch electrical power generating system 1 still includes: and a display device 80 connected to the controller 40 for displaying the battery level.
Specifically, in this embodiment, the same parts as those in the above embodiment can be referred to the above embodiment, and the third embodiment of the present invention is not described herein again.
The display device 80 may be an LED display, a nixie tube, an LCD display, or the like.
The utility model discloses a switch electrical power generating system that third kind of embodiment discloses can reach the purpose of real-time supervision UPS power to report to the police by the alarm when the UPS power is in the commercial power down state, in time remind relevant personnel. When the UPS power is in the power failure state, in order to avoid the UPS power to continuously output the electric energy and lead to the electric quantity to exhaust, the utility model discloses in the electronic switch that links to each other with the controller, when the battery power of battery power measurement chip measurement UPS power is less than the threshold value, by the power supply circuit of controller control electronic switch disconnection in order to cut off the UPS power, the UPS power just can not continue external discharge again this moment, avoid the electric quantity to exhaust and influence the life of UPS power, in addition, the display device who links to each other with the controller can show the battery power in the UPS power in real time, thereby be convenient for relevant personnel know the energy consumption condition of the battery in the UPS power in real time.
Example four
The embodiment of the utility model provides a switch is still disclosed, please refer to fig. 5, and fig. 5 is the utility model discloses a switch structure schematic diagram is disclosed to fourth embodiment, switch 3 includes: the switch body 2 further comprises a switch power supply system 1 as mentioned in any of the above embodiments.
Specifically, the switch power supply system 1 in this embodiment supplies power to the switch body 2, and the switch power supply system 1 and the switch body 2 form an integrated switch.
The switch 3 mentioned in fig. 5 in this embodiment includes: a switch body 2.
And the UPS power supply 10 is connected with the power input end of the switch body 2 and is used for supplying power to the switch body 2 uninterruptedly.
And a rectification circuit 20 connected to a power output terminal of the UPS power supply 10.
And a battery charge metering chip 30 connected to the rectifying circuit 20 for metering the battery charge of the UPS power supply 10.
And a controller 40 connected to the battery power metering chip 30 for controlling the battery power metering chip 30 to meter the battery power.
And an electronic switch 50 connected to the controller 40 for controlling the electronic switch to open to cut off the power supply circuit of the UPS power supply when the battery charge level is below a threshold value.
And a power-down detection circuit 60, which is connected to the circuit loop of the UPS power supply 10 and is connected to the controller 40, and is used for performing mains power-down detection on the UPS power supply 10.
And the alarm 70 is connected with the controller 40 and is used for alarming when the UPS 10 is in a mains power failure state.
And a display device 80 connected to the controller for displaying the battery level.
Further, the switch 3 may have the following configuration, and the switch 3 includes: a switch body 2.
And the UPS power supply 10 is connected with the power input end of the switch body 2 and is used for supplying power to the switch body 2 uninterruptedly.
And a rectification circuit 20 connected to a power output terminal of the UPS power supply 10.
And a battery charge metering chip 30 connected to the rectifying circuit 20 for metering the battery charge of the UPS power supply 10.
And a controller 40 connected to the battery power metering chip 30 for controlling the battery power metering chip 30 to meter the battery power.
And an electronic switch 50 connected to the controller 40 for controlling the electronic switch to open to cut off the power supply circuit of the UPS power supply when the battery charge level is below a threshold value.
And a power-down detection circuit 60, which is connected to the circuit loop of the UPS power supply 10 and is connected to the controller 40, and is used for performing mains power-down detection on the UPS power supply 10.
And the alarm 70 is connected with the controller 40 and is used for alarming when the UPS 10 is in a mains power failure state.
For the same parts in this embodiment as those in the above embodiment, reference may be made to the description of the above embodiment, and this embodiment is not described herein again.
The utility model discloses a switch that fourth embodiment discloses is the switch body power supply by switch electrical power generating system. Through the utility model discloses a switch electrical power generating system can reach the purpose of real-time supervision UPS power to by the alarm warning, in time remind relevant personnel when the UPS power is in commercial power down state. When the UPS power is in the power failure state, in order to avoid the UPS power to continuously output the electric energy and lead to the electric quantity to exhaust, the utility model discloses in the electronic switch that links to each other with the controller, when the battery power of battery power measurement chip measurement UPS power is less than the threshold value, by the power supply circuit of controller control electronic switch disconnection in order to cut off the UPS power, the UPS power just can not continue external discharge again this moment, avoid the electric quantity to exhaust and influence the life of UPS power, in addition, the display device who links to each other with the controller can show the battery power in the UPS power in real time, thereby be convenient for relevant personnel know the energy consumption condition of the battery in the UPS power in real time. Because the utility model discloses a switch electrical power generating system constitutes with the switch body the utility model discloses a switch, thereby make the utility model discloses a switch also has longer life.
It should be noted that the above embodiments only exemplify the improvement made by the present invention, and for other parts of the switch power supply system and the switch not mentioned, reference may be made to the prior art, and do not represent nothing.
It is right above that the utility model discloses a switch electrical power generating system and switch introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A switch power system, comprising: the UPS power supply is connected with the power input end of the switch body and is used for supplying power to the switch body uninterruptedly;
the rectifying circuit is connected with the electric energy output end of the UPS;
the battery electric quantity metering chip is connected with the rectifying circuit and is used for metering the electric quantity of the battery in the UPS;
the controller is connected with the battery electric quantity metering chip and is used for controlling the battery electric quantity metering chip to meter the electric quantity of the battery;
the electronic switch is connected with the controller and used for controlling the electronic switch to be disconnected so as to cut off a power supply circuit for supplying power to the switchboard body by the UPS when the electric quantity of the battery is lower than a threshold value;
the power failure detection circuit is connected to a circuit loop of the UPS and the controller and is used for detecting the power failure of the mains supply of the UPS;
and the alarm is connected with the controller and used for alarming when the UPS is in a mains supply power failure state.
2. The switch power supply system according to claim 1, wherein the power down detection circuit specifically includes:
the filtering module is connected into a circuit loop of the UPS and the commercial power;
the power failure detection device comprises an isolation module connected with the filtering module and a power failure detection module connected with the isolation module.
3. The switch power supply system according to claim 2, wherein the filtering module specifically includes: the circuit comprises a first resistor, a diode, a second resistor and a capacitor;
a first end of the first resistor is connected with a voltage output end of the UPS power supply, and a second end of the first resistor is connected with an anode of the diode;
the cathode of the diode is respectively connected with the first end of the second resistor and the first end of the capacitor, the second end of the second resistor is connected with the second end of the capacitor, and the second end of the second resistor and the second end of the capacitor are both connected with the negative electrode of the UPS power supply.
4. The switch power system of claim 3, wherein the isolation module specifically comprises: a third resistor, a fuse and an optocoupler;
the first end of the third resistor is respectively connected with the first end of the capacitor and the first end of the second resistor;
the second end of the third resistor is connected with the first end of the fuse;
the second end of the fuse is connected with the anode of a photosensitive diode in the optical coupler;
and the cathode of the photosensitive diode is respectively connected with the second end of the capacitor and the second end of the second resistor.
5. The switch power supply system according to claim 4, wherein the power-down detection module specifically includes: the power supply unit, the fourth resistor and the power failure detection bit;
the first end of the fourth resistor is connected with the power supply unit;
the second end of the fourth resistor is respectively connected with a collector of a bipolar transistor of the optocoupler and the power failure detection position;
the emitter of the bipolar transistor is grounded; the power failure detection bit is connected with the controller.
6. Switch power supply system according to claim 1, characterized in that the alarm is in particular a buzzer and/or a red-blue light.
7. The switch power system according to any one of claims 1-6, further comprising: and the display device is connected with the controller and used for displaying the electric quantity of the battery.
8. The switch power supply system according to claim 7, wherein the electronic switch is a relay, a control loop of the relay is connected to the controller, and a main loop of the relay is connected to a power supply circuit of the UPS power supply for supplying power to the switch body.
9. The switch power supply system according to claim 1, wherein the battery power metering chip is of a type AD 7755.
10. A switch, comprising: switch body, characterized in that it further comprises a switch power supply system according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921557267.5U CN210246394U (en) | 2019-09-19 | 2019-09-19 | Switch power supply system and switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921557267.5U CN210246394U (en) | 2019-09-19 | 2019-09-19 | Switch power supply system and switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210246394U true CN210246394U (en) | 2020-04-03 |
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ID=69966022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921557267.5U Expired - Fee Related CN210246394U (en) | 2019-09-19 | 2019-09-19 | Switch power supply system and switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210246394U (en) |
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2019
- 2019-09-19 CN CN201921557267.5U patent/CN210246394U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20200919 |