CN212031975U

CN212031975U - Many creatures space station power supply unit

Info

Publication number: CN212031975U
Application number: CN202020928063.4U
Authority: CN
Inventors: 王孟昭
Original assignee: Tangshan Zhongchuang Space Technology Incubator Co ltd
Current assignee: Tangshan Zhongchuang Space Technology Incubator Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-11-27
Anticipated expiration: 2030-05-28

Abstract

The utility model relates to a many create space station power supply unit belongs to enterprise's hatching management technical field, which comprises a controller, the controller pass through control module and link to each other its characterized in that with the station power: control module include drive circuit, converting circuit and to station power supply realization on-off control's relay, the power supply line of station power on be provided with current transformer, current transformer's secondary side pass through converting circuit connection director, have and report to the police timely characteristics in the face of emergency, can automatic processing to unusual power consumption condition, convenient management reduces the safety risk.

Description

Many creatures space station power supply unit

Technical Field

The utility model belongs to the technical field of the enterprise hatching management, a many create space station power supply unit is related to.

Background

Aiming at management of an enterprise incubator, service managers need to know the use requirements of users on public facilities, and on the premise of ensuring user experience, cost is controlled to be excellent.

When the incubator is in an emergency, message receiving of managers is delayed, the managers need to be switched on and off in a systematic mode during processing, and the managers cannot count data in real time and cannot count a plurality of people in mind.

Disclosure of Invention

The utility model discloses a solve above-mentioned problem, designed many and created space station power supply unit, had and reported to the police timely characteristics in the face of emergency, can automatic processing to the unusual power consumption condition, convenient management reduces the safety risk.

The utility model discloses a concrete technical scheme is:

many create space station power supply unit, including the controller, the controller pass through control module and link to each other with the station power, the key point is: the control module comprises a driving circuit, a conversion circuit and a relay K2 for realizing on-off control of the station power supply, a current transformer is arranged on a power supply line of the station power supply, and the secondary side of the current transformer is connected with the controller through the conversion circuit.

The controller is connected with a plurality of groups of control modules, and each group of control modules is connected with the corresponding station power supply.

The switch driving circuit comprises a triode Q1 and a relay K2, the triode Q1 is an NPN type triode, a power supply source is connected to the collector of the triode Q1 in series with a coil of the relay K2, the base of the triode Q1 is connected with the output end of the controller through a resistor R12, and the emitter of the triode Q1 is grounded.

The power supply comprises a power supply module, the power supply module comprises a chip TLE4250, an ADJ/EN pin of the chip TLE4250 is connected with a voltage source VCC through a resistor R9, the ADJ/EN pin of the chip TLE4250 is grounded through a resistor R10, and a VOUT pin driving module of the chip TLE4250 is connected to provide voltage for the driving module.

The conversion circuit comprises a current transformer L1 and a triode Q3, a resistor R13 and a capacitor C3 which are connected in parallel are connected to a secondary side connecting section of the current transformer L1, an anode output end of a primary side of the current transformer L1 is connected with a base electrode of the triode Q3 through a resistor R14, a collector electrode of the triode Q3 is connected with a controller through a resistor R15, a power supply module is connected with a collector electrode of the triode Q3 to supply power for the conversion circuit, and an emitter electrode of the triode Q3 is grounded.

Relay K2 and power supply chip's VOUT pin between be provided with the fault detection module, the fault detection module include detection resistance R3 and current detection chip, detection resistance R3 establish ties between the VOUT pin of power supply chip and relay K2's coil, power supply chip and detection resistance R3's series connection point connect the RS + pin of current detection chip, the series connection point of detection resistance R3 and relay K2's coil be connected with the RS-pin of current detection chip, the output pin and the controller of current detection chip be connected.

The utility model has the advantages that: the power consumption of the station power supply can be transmitted to the controller in real time, and the driving circuit and the relay K2 are controlled to properly control the station power supply.

Drawings

Fig. 1 is a block diagram of the present invention.

Fig. 2 is a circuit diagram of the present invention.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following specific embodiments and accompanying drawings, but the scope of protection and the implementation of the present invention are not limited thereto.

Many create space station power supply unit, including the controller, the controller pass through control module and link to each other with the station power, the key point is: the control module comprises a driving circuit 2-2, a conversion circuit 2-4 and a relay K2 for realizing on-off control of the station power supply, wherein a current transformer is arranged on a power supply line of the station power supply, and the secondary side of the current transformer is connected with the controller through the conversion circuit 2-4.

In a specific embodiment, as shown in fig. 1 of the specification, the controller is connected to a plurality of groups of the control modules, and each group of the control modules is connected to a corresponding station power supply.

The controller collects the current of the station power supply through the current transformer, the conversion circuit 2-4 converts the current signal output by the current transformer into a voltage signal which can be recognized by the controller, and when the controller detects that the current is abnormal, the controller controls the rear station power supply through the driving circuit 2-2 and the relay K2. When the electricity consumption condition of a certain station is abnormal, the controller can influence the normal use of other stations by turning off and turning on the station power supply system, and the production efficiency is influenced. Each station power supply is controlled by an independent control module, and when the station power utilization condition is abnormal, the station power utilization condition can be accurately processed.

As shown in fig. 2-2 of the accompanying drawings 2, the switch driving circuit 2-2 includes a transistor Q1 and a relay K2, the transistor Q1 is an NPN-type transistor, a power supply is connected to a collector of the transistor Q1 in series with a coil of the relay K2, a base of the transistor Q1 is connected to an output terminal of the controller via a resistor R12, and an emitter of the transistor Q1 is grounded.

At ordinary times, the state controller outputs high level, the triode Q1 is conducted, the coil of the relay K2 is electrified, the relay K2 is closed, the station normally supplies power, when the abnormal condition occurs, the triode Q1 receives a low level signal, the triode Q1 is turned off, the relay K2 is powered off, and the corresponding station stops supplying power.

The power supply comprises a power supply module 2-1, the power supply module 2-1 comprises a chip TLE4250, an ADJ/EN pin of the chip TLE4250 is connected with a voltage source VCC through a resistor R9, the ADJ/EN pin of the chip TLE4250 is grounded through a resistor R10, and a VOUT pin of the chip TLE4250 is connected with a driving module to provide voltage for the driving module.

The power supply chip adopts the model TLE4250, and can provide stable voltage for subsequent circuits.

As shown in fig. 2-4 of the specification of the accompanying drawings, the conversion circuit 2-4 includes a current transformer L1 and a transistor Q3, a secondary side connection section of the current transformer L1 is connected with a resistor R13 and a capacitor C3 which are connected in parallel, an output end of a positive electrode on a primary side of the current transformer L1 is connected with a base of the transistor Q3 through a resistor R14, a collector of the transistor Q3 is connected with a controller through a resistor R15, the power supply module 2-1 is connected with a collector of the transistor Q3 to supply power to the conversion circuit 2-4, and an emitter of the transistor Q3 is grounded.

Current transformer L1 be digital current transformer, can send the power consumption condition of station power to the controller with the form of high-low level, triode Q3 can further handle the signal, plays the effect of amplified current, improves the load capacity of taking of circuit.

As shown in fig. 2-3 of the specification, a fault detection module 2-3 is arranged between the relay K2 and the VOUT pin of the power supply chip, the fault detection module 2-3 includes a detection resistor R3 and a current detection chip, the detection resistor R3 is connected in series between the VOUT pin of the power supply chip and the coil of the relay K2, the serial point of the power supply chip and the detection resistor R3 is connected to the RS + pin of the current detection chip, the serial point of the detection resistor R3 and the coil of the relay K2 is connected to the RS-pin of the current detection chip, and the output pin of the current detection chip is connected to the controller.

The model of the current detection chip is MAX9938, voltage drop exists at two ends of the detection resistor, when the circuit works normally, the RS + pin voltage of the MAX9938 chip connected with two ends of the detection resistor R2 is larger than the RS-pin voltage, and at the moment, the MAX9938 chip outputs a low level signal; when current backflow exists in the switch module 2-2, the voltage of the RS-pin of the chip MAX9938 is larger than the voltage of the RS + pin, the output of the chip MAX9938 is 1, and the single chip microcomputer detects that the power supply driving circuit 2-2 has a problem and can perform corresponding processing in time. The output pin of the chip MAX9938 is grounded through a voltage stabilizing diode D2, and the function of stabilizing an output signal is achieved.

Claims

1. Many creations space station power supply unit, including the controller, the controller pass through control module and link to each other its characterized in that with the station power: the control module comprises a driving circuit (2-2), a conversion circuit (2-4) and a relay K2 for realizing on-off control of the station power supply, wherein a current transformer is arranged on a power supply line of the station power supply, and the secondary side of the current transformer is connected with the controller through the conversion circuit (2-4).

2. The crowd-sourcing space station powering device of claim 1, wherein: the controller is connected with a plurality of groups of control modules, and each group of control modules is connected with the corresponding station power supply.

3. The crowd-sourcing space station powering device of claim 1, wherein: the switch driving circuit (2-2) comprises a triode Q1 and a relay K2, the triode Q1 is an NPN type triode, a collector of the triode Q1 is connected with a power supply source after being connected with a coil of the relay K2 in series, a base of the triode Q1 is connected with the output end of the controller through a resistor R12, and an emitting electrode of the triode Q1 is grounded.

4. The crowd-sourcing space station powering device of claim 3, wherein: the power supply comprises a power supply module (2-1), the power supply module (2-1) comprises a chip TLE4250, an ADJ/EN pin of the chip TLE4250 is connected with a voltage source VCC through a resistor R9, the ADJ/EN pin of the chip TLE4250 is grounded through a resistor R10, and a VOUT pin of the chip TLE4250 is connected with a driving module to provide voltage for the driving module.

5. The crowd-sourcing space station powering device of claim 4, wherein: the conversion circuit (2-4) comprises a current transformer L1 and a triode Q3, a resistor R13 and a capacitor C3 which are connected in parallel are connected to a secondary side connecting section of the current transformer L1, an output end of a primary side positive electrode of the current transformer L1 is connected with a base electrode of the triode Q3 through a resistor R14, a collector electrode of the triode Q3 is connected with the controller through a resistor R15, the power supply module (2-1) is connected with a collector electrode of the triode Q3 to supply power to the conversion circuit (2-4), and an emitter electrode of the triode Q3 is grounded.

6. The crowd-sourcing space station powering device of claim 4, wherein: relay K2 and power supply chip's VOUT pin between be provided with fault detection module (2-3), fault detection module (2-3) including detection resistance R3 and current detection chip, detection resistance R3 establish ties between power supply chip's VOUT pin and relay K2's coil, power supply chip and detection resistance R3's series connection point connect the RS + pin of current detection chip, the series connection point of detection resistance R3 and relay K2's coil be connected with the RS-pin of current detection chip, the output pin and the controller of current detection chip be connected.