CN220673449U - High-speed power supply undisturbed switching complete cabinet - Google Patents
High-speed power supply undisturbed switching complete cabinet Download PDFInfo
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- CN220673449U CN220673449U CN202321790517.6U CN202321790517U CN220673449U CN 220673449 U CN220673449 U CN 220673449U CN 202321790517 U CN202321790517 U CN 202321790517U CN 220673449 U CN220673449 U CN 220673449U
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- 238000001514 detection method Methods 0.000 claims abstract description 32
- 239000003990 capacitor Substances 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model discloses a high-speed power supply undisturbed switching complete set cabinet, which relates to the technical field of power supply control and comprises a power failure detection module, a power supply control module and a power supply control module, wherein the power failure detection module is used for detecting the power supply condition of a main power supply module; the working control module is used for judging the sizes of the detection signal and the voltage threshold value and controlling the working of the anti-interference trigger module when the detection signal is judged to be smaller than the voltage threshold value; the anti-interference trigger module is used for stably triggering the work of the timing control module, and the timing control module is used for timing control of the switching work of the main power supply module and the standby power supply module; and the output module is used for outputting electric energy. The power-down detection module detects the power supply state of the main power supply module, the working control module judges the detection signal and the voltage threshold value, and controls the anti-interference triggering module to stably trigger the working of the timing control module when the detection signal is less than the voltage threshold value, and then controls the power supply switching control module to perform timing power supply switching work.
Description
Technical Field
The utility model relates to the technical field of power control, in particular to a complete cabinet for undisturbed switching of a high-speed power supply.
Background
The utility model provides a power supply switches complete sets cabinet, a can carry out the equipment that standby power supply device switched the power supply when main power supply device abnormally cuts off the power supply, can realize the uninterrupted power supply of equipment, current power supply switches complete sets cabinet is mostly by losing power detection device, timing control device and switching power tube and constitutes, through detecting the power condition of main power supply device, and carry out the switching work of main power supply device and standby power supply device through timing control device timing control switching power tube when losing the power, but because fall power detection device and timing control device and need possess higher trigger sensitivity, make it receives external environment's strong interference pulse signal easily to fall power detection device, and the mistake switching action appears in the power supply switch complete sets cabinet, therefore remain to improve.
Disclosure of Invention
The embodiment of the utility model provides a complete set of high-speed power supply undisturbed switching cabinet, which aims to solve the problems in the background technology.
According to an embodiment of the present utility model, there is provided a high-speed power supply undisturbed switching kit, including: the device comprises a main power supply module, a standby power supply module, a power failure detection module, a work control module, an anti-interference trigger module, a timing control module, a power supply switching module and an output module;
the main power supply module is used for providing main electric energy;
the standby power supply module is used for providing standby power;
the power failure detection module is connected with the main power supply module and the standby power supply module, and is used for receiving the standby power and isolating and detecting the power supply condition of the main power supplied by the main power supply module, and outputting a first detection signal according to the detected power supply condition;
the work control module is connected with the power failure detection module and the standby power supply module, is used for manually controlling the work of the work control circuit, and is used for setting a voltage threshold through the work control circuit and outputting a first control signal when the first detection signal is smaller than the set voltage threshold;
the anti-interference trigger module is connected with the working control module and used for reducing input impedance through an anti-interference trigger circuit and triggering and outputting a second control signal through the received first control signal;
the timing control module is connected with the anti-interference triggering module and is used for controlling the timing control circuit to output a third control signal through the second control signal and outputting the third control signal at fixed time after the second control signal disappears;
the power supply switching module is connected with the timing control module, the standby power supply module and the main power supply module and is used for controlling the power supply switching circuit to finish switching transmission control of the main power supply and the standby power supply through a third control signal;
the output module is connected with the power supply switching module and is used for receiving the electric energy output by the power supply switching module.
Compared with the prior art, the utility model has the beneficial effects that: the power-down detection module detects the power supply state of the main power supply module, the working control module judges the power-down condition, the anti-interference trigger module is controlled to trigger the working of the timing control module after the detected electric energy is lower than a set voltage threshold value, the error power-down detection caused by the external interference of the power-down detection module is avoided, the timing control module is used for timing control of the power supply switching control module to perform timing power supply switching work, the anti-interference trigger module is used for reducing the input impedance of the timing control module, the anti-interference capability of the timing control module is improved, and the accuracy of the power supply switching work of the high-speed power-supply undisturbed switching complete cabinet is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments of the present utility model will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic block diagram of a high-speed power supply undisturbed switching complete cabinet according to an embodiment of the utility model.
Fig. 2 is a circuit diagram of a high-speed power supply undisturbed switching complete cabinet provided by an example of the utility model.
Fig. 3 is a circuit diagram of a connection of a work control module according to an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In one embodiment, referring to fig. 1, a high-speed power undisturbed switching kit comprises: the power supply system comprises a main power supply module 1, a standby power supply module 2, a power failure detection module 3, a work control module 4, an anti-interference triggering module 5, a timing control module 6, a power supply switching module 7 and an output module 8;
a main power module 1 for supplying main power;
a standby power module 2 for supplying standby power;
the power failure detection module 3 is connected with the main power supply module 1 and the standby power supply module 2, and is used for receiving the standby power and isolating and detecting the power supply condition of the main power supplied by the main power supply module 1, and outputting a first detection signal according to the detected power supply condition;
the work control module 4 is connected with the power failure detection module 3 and the standby power module 2, is used for manually controlling the work of the work control circuit, and is used for setting a voltage threshold value through the work control circuit and outputting a first control signal when the first detection signal is smaller than the set voltage threshold value;
the anti-interference trigger module 5 is connected with the work control module 4 and is used for reducing input impedance through an anti-interference trigger circuit and triggering and outputting a second control signal through the received first control signal;
the timing control module 6 is connected with the anti-interference triggering module 5 and is used for controlling the timing control circuit to output a third control signal through the second control signal and outputting the third control signal at fixed time after the second control signal disappears;
the power supply switching module 7 is connected with the timing control module 6, the standby power supply module 2 and the main power supply module 1 and is used for controlling the power supply switching circuit to finish switching transmission control of the main power and the standby power through a third control signal;
and the output module 8 is connected with the power supply switching module 7 and is used for receiving the electric energy output by the power supply switching module 7.
In a specific embodiment, the main power module 1 may use a main power device to provide dc power; the standby power module 2 can adopt a standby power device to provide standby direct current power; the power-down detection module 3 can adopt a power-down detection circuit to isolate and detect the power supply condition of the main power supply module 1; the working control module 4 can adopt a working control circuit and a manual control circuit, the manual control circuit controls the working of the working control circuit, the working control circuit compares the detected signal with a set voltage threshold value, and controls the working of the anti-interference module when the detected signal is smaller than the voltage threshold value; the anti-interference trigger module 5 can adopt an anti-interference trigger circuit formed by triode circuits, so that the input impedance of the timing control module 6 can be reduced, and the anti-interference capability of the timing control module 6 is provided; the timing control module 6 can adopt a timing control circuit formed by 555 integrated circuits, and is controlled by the anti-interference trigger module 5 and realizes timing switching control of the power supply switching module 7; the power supply switching module 7 can adopt a power supply switching circuit composed of a switching tube and the like, and determines the power supply transmission state according to the signal output by the timing control module 6; the output module 8 may adopt an output port to transmit electric energy to the connected electric device, which will not be described herein.
In another embodiment, referring to fig. 1, 2 and 3, the main power module 1 includes a main power device; the power failure detection module 3 comprises a fourth diode D4, a first resistor R1, a first optocoupler J1 and a second resistor R2; the standby power module 2 comprises a standby power device;
specifically, the first end of the main power supply device is connected to the anode of the fourth diode D4, the cathode of the fourth diode D4 is connected to the first end of the first optocoupler J1 through the first resistor R1, the second end of the first optocoupler J1 and the second end of the main power supply device are both grounded, the third end of the first optocoupler J1 is connected to the first end of the standby power supply device, the fourth end of the first optocoupler J1 is connected to the first ends of the work control module 4 and the second resistor R2, and the second end of the second resistor R2 and the second end of the standby power supply device are both grounded.
In a specific embodiment, the main power supply device may be composed of a rectifying and filtering circuit, and performs rectifying and filtering processing on the input mains supply and outputs direct current electric energy; the first optocoupler J1 may be a PC817 optocoupler; the backup power supply device may be, but is not limited to, a secondary battery, a lithium battery, or the like.
Further, the operation control module 4 includes a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a first key switch S1, a first comparator A1, and a twelfth resistor R12;
specifically, one end of the ninth resistor R9 is connected to one end of the eleventh resistor R11 and the first end of the standby power device, the other end of the ninth resistor R9 is connected to the in-phase end of the first comparator A1 and is grounded through the tenth resistor R10, the inverting end of the first comparator A1 is connected to the fourth end of the first optocoupler J1, the other end of the eleventh resistor R11 is connected to the power end of the first comparator A1 through the first keyswitch S1, the output end of the first comparator A1 is connected to the first end of the twelfth resistor R12, and the second end of the twelfth resistor R12 is connected to the anti-interference trigger module 5.
In a specific embodiment, the ninth resistor R9 and the tenth resistor R10 are used for setting a voltage threshold, and form a working control circuit in cooperation with the first comparator A1 and the twelfth resistor R12, where the working control circuit can avoid the false power-on judgment of the first optocoupler J1 due to the influence of the external strong interference pulse signal; the eleventh resistor R11 and the first key switch S1 form a manual control circuit.
Further, the anti-interference triggering module 5 includes a first switch tube VT1, a third resistor R3, a fourth resistor R4, a first capacitor C1, a second switch tube VT2, and a fifth resistor R5;
specifically, the base of the first switching tube VT1 is connected to the second end of the twelfth resistor R12, the collector of the first switching tube VT1 is connected to one end of the fifth resistor R5 and the first end of the standby power device, the emitter of the first switching tube VT1 is connected to one end of the fourth resistor R4, one end of the first capacitor C1 and the base of the second switching tube VT2 through the third resistor R3, the other end of the fourth resistor R4, the other end of the first capacitor C1 and the emitter of the second switching tube VT2 are all grounded, and the collector of the second switching tube VT2 is connected to the other end of the fifth resistor R5 and the timing control module 6.
In a specific embodiment, the first switching transistor VT1 and the second switching transistor VT2 may be NPN transistors.
Further, the timing control module 6 includes a first diode D1, a sixth resistor R6, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a first controller U1, a third diode D3, and a second diode D2;
specifically, the anode of the first diode D1 is connected to the emitter of the first switch tube VT1, the cathode of the first diode D1 is connected to the cathodes of the fourth diode D3 and the fourth diode U1, one end of the sixth resistor R6 and the eighth end of the first controller U1 are both connected to the first end of the standby power device, the second end of the first controller U1 is connected to the collector of the second switch tube VT2 through the second capacitor C2, the other end of the sixth resistor R6 is connected to the sixth end and the seventh end of the first controller U1 and is grounded through the third capacitor C3, the first end of the first controller U1 and the anode of the second diode D2 are grounded through the fourth capacitor C4, and the third end of the first controller U1 is connected to the anode of the third diode D3, the cathode of the second diode D2 and the power switching module 7.
In a specific embodiment, the first controller U1 may be NE555, and is matched with the first diode D1, the sixth resistor R6, the second capacitor C2, the third capacitor C3, the fourth capacitor C4, the third diode D3, and the second diode D2 to form a timing control circuit, where the second capacitor C2 couples the pulse signal output by the collector of the second switching tube VT2 to the second end of the first controller U1, and the fourth end of the first controller U1 is triggered by the first switching tube VT1 to obtain power.
Further, the power supply switching module 7 includes a fifth capacitor C5, a third switching tube VT3, a seventh resistor R7, a second power tube Q2, an eighth resistor R8, and a first power tube Q1; the output module 8 comprises an output port;
specifically, one end of the fifth capacitor C5 is connected to the base of the third switch tube VT3 and the third end of the first controller U1, the other end of the fifth capacitor C5 and the emitter of the third switch tube VT3 are both grounded, the collector of the third switch tube VT3 is connected to one end of the seventh resistor R7, the gate of the second power tube Q2, one end of the eighth resistor R8 and the gate of the first power tube Q1, the drain of the second power tube Q2 and the source of the first power tube Q1 are both connected to the first end of the output port, the second end of the output port is grounded, the other end of the eighth resistor R8 is connected to the drain of the first power tube Q1 and the first end of the main power device, and the other end of the seventh resistor R7 is connected to the source of the second power tube Q2 and the first end of the standby power device.
In a specific embodiment, the first power tube Q1 may be an N-channel enhancement type MOS tube, and the second power tube Q2 may be a P-channel enhancement type MOS tube, so as to respectively control power transmission of the main power supply device and the standby power supply device; the third switching transistor VT3 may be an NPN transistor.
The utility model relates to a high-speed power supply undisturbed switching complete cabinet, when a main power supply device normally supplies power, a first power tube Q1 is conducted, electric energy is transmitted to an output port, if the main power supply device is powered down, a first optical coupler J1 is cut off, a fourth end of the first optical coupler J1 is grounded through a second resistor R2, at the moment, after a first key switch S1 is closed, because a signal detected by the first optical coupler J1 is far smaller than a set voltage threshold value, a first comparator A1 outputs a high level, at the moment, if the first optical coupler J1 receives external interference and is conducted, but the detected electric energy is smaller than the set voltage threshold value, the first comparator A1 keeps high level output and controls the first switching tube VT1 to be conducted, at the moment, the fourth end of a first controller U1 is powered up, a second switching tube VT2 is conducted, the collector of the second switching tube VT2 outputs a pulse signal and is coupled to the second end of the first controller U1 by the second capacitor C2, so that the third end of the first controller U1 outputs a high level, the third switching tube VT3 is controlled to be turned on, the fourth end of the first controller U1 is continuously controlled to be in a high level state by the third diode D3, when the fourth end of the first controller U1 is in a low level, the first controller U1 is continuously kept in a reset state without being influenced by the outside, the third switching tube VT3 controls the second power tube Q2 to be turned on, the first power tube Q1 is controlled to be turned off, the electric energy output by the standby power supply device is transmitted to the output port, and after the first switching tube VT1 is turned off, the first controller U1 controls the third switching tube VT3 to be turned on at regular time, and after the timing is finished, the third switching tube VT3 is turned off, and the main power supply device reenters power supply.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The high-speed power supply undisturbed switching complete cabinet is characterized in that,
the high-speed power undisturbed switching complete cabinet comprises: the device comprises a main power supply module, a standby power supply module, a power failure detection module, a work control module, an anti-interference trigger module, a timing control module, a power supply switching module and an output module;
the main power supply module is used for providing main electric energy;
the standby power supply module is used for providing standby power;
the power failure detection module is connected with the main power supply module and the standby power supply module, and is used for receiving the standby power and isolating and detecting the power supply condition of the main power supplied by the main power supply module, and outputting a first detection signal according to the detected power supply condition;
the work control module is connected with the power failure detection module and the standby power supply module, is used for manually controlling the work of the work control circuit, and is used for setting a voltage threshold through the work control circuit and outputting a first control signal when the first detection signal is smaller than the set voltage threshold;
the anti-interference trigger module is connected with the working control module and used for reducing input impedance through an anti-interference trigger circuit and triggering and outputting a second control signal through the received first control signal;
the timing control module is connected with the anti-interference triggering module and is used for controlling the timing control circuit to output a third control signal through the second control signal and outputting the third control signal at fixed time after the second control signal disappears;
the power supply switching module is connected with the timing control module, the standby power supply module and the main power supply module and is used for controlling the power supply switching circuit to finish switching transmission control of the main power supply and the standby power supply through a third control signal;
the output module is connected with the power supply switching module and is used for receiving the electric energy output by the power supply switching module.
2. The high-speed power undisturbed switching kit of claim 1, wherein said main power module comprises a main power device; the power failure detection module comprises a fourth diode, a first resistor, a first optocoupler and a second resistor; the standby power supply module comprises a standby power supply device;
the first end of the main power supply device is connected with the anode of the fourth diode, the cathode of the fourth diode is connected with the first end of the first optical coupler through the first resistor, the second end of the first optical coupler and the second end of the main power supply device are grounded, the third end of the first optical coupler is connected with the first end of the standby power supply device, the fourth end of the first optical coupler is connected with the first ends of the working control module and the second resistor, and the second end of the second resistor and the second end of the standby power supply device are grounded.
3. The high-speed power undisturbed switching kit of claim 2, wherein said operation control module comprises a ninth resistor, a tenth resistor, an eleventh resistor, a first key switch, a first comparator, and a twelfth resistor;
one end of the ninth resistor is connected with one end of the eleventh resistor and the first end of the standby power supply device, the other end of the ninth resistor is connected with the in-phase end of the first comparator and grounded through the tenth resistor, the inverting end of the first comparator is connected with the fourth end of the first optocoupler, the other end of the eleventh resistor is connected with the power end of the first comparator through the first key switch, the output end of the first comparator is connected with the first end of the twelfth resistor, and the second end of the twelfth resistor is connected with the anti-interference trigger module.
4. The high-speed power undisturbed switching complete set cabinet according to claim 3, wherein the anti-interference trigger module comprises a first switch tube, a third resistor, a fourth resistor, a first capacitor, a second switch tube and a fifth resistor;
the base of the first switching tube is connected with the second end of the twelfth resistor, the collector of the first switching tube is connected with one end of the fifth resistor and the first end of the standby power supply device, the emitter of the first switching tube is connected with one end of the fourth resistor, one end of the first capacitor and the base of the second switching tube through the third resistor, the other end of the fourth resistor, the other end of the first capacitor and the emitter of the second switching tube are grounded, and the collector of the second switching tube is connected with the other end of the fifth resistor and the timing control module.
5. The high-speed power undisturbed switching kit of claim 4, wherein said timing control module comprises a first diode, a sixth resistor, a second capacitor, a third capacitor, a fourth capacitor, a first controller, a third diode, a second diode;
the positive pole of first diode is connected the projecting pole of first switch tube, and the negative pole of first diode is connected the fourth of first controller and the negative pole of third diode, and the first end of reserve power supply unit is all connected to the one end of sixth resistance and the eighth of first controller, and the second end of first controller passes through the collecting electrode of second switch tube, and the sixth end of first controller and seventh are connected to the other end of sixth resistance and are connected through the third electric capacity ground, and the first end of first controller and the positive pole of second diode are all grounded, and the fifth of first controller passes through the fourth electric capacity ground, and the positive pole of third diode, the negative pole of second diode and power switch module are connected to the third of first controller.
6. The high-speed power undisturbed switching kit of claim 5, wherein said power switching module comprises a fifth capacitor, a third switching tube, a seventh resistor, a second power tube, an eighth resistor, and a first power tube; the output module comprises an output port;
one end of the fifth capacitor is connected with the base electrode of the third switch tube and the third end of the first controller, the other end of the fifth capacitor and the emitter electrode of the third switch tube are grounded, the collector electrode of the third switch tube is connected with one end of the seventh resistor, the grid electrode of the second power tube, one end of the eighth resistor and the grid electrode of the first power tube, the drain electrode of the second power tube and the source electrode of the first power tube are connected with the first end of the output port, the second end of the output port is grounded, the other end of the eighth resistor is connected with the drain electrode of the first power tube and the first end of the main power supply device, and the other end of the seventh resistor is connected with the source electrode of the second power tube and the first end of the standby power supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321790517.6U CN220673449U (en) | 2023-07-10 | 2023-07-10 | High-speed power supply undisturbed switching complete cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321790517.6U CN220673449U (en) | 2023-07-10 | 2023-07-10 | High-speed power supply undisturbed switching complete cabinet |
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| Publication Number | Publication Date |
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| CN220673449U true CN220673449U (en) | 2024-03-26 |
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| CN202321790517.6U Active CN220673449U (en) | 2023-07-10 | 2023-07-10 | High-speed power supply undisturbed switching complete cabinet |
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| CN (1) | CN220673449U (en) |
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- 2023-07-10 CN CN202321790517.6U patent/CN220673449U/en active Active
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