CN221126939U - Special dry contact card for wind power UPS - Google Patents
Special dry contact card for wind power UPS Download PDFInfo
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- CN221126939U CN221126939U CN202322652392.7U CN202322652392U CN221126939U CN 221126939 U CN221126939 U CN 221126939U CN 202322652392 U CN202322652392 U CN 202322652392U CN 221126939 U CN221126939 U CN 221126939U
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- 238000001514 detection method Methods 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a special dry contact card for a wind power UPS, which comprises a WP-DCC card, wherein the WP-DCC card is respectively connected with a remote switch key interface and an external direct current power supply, and the external direct current power supply is connected with a UPS battery detection circuit and a UPS inverter circuit which adopt a relay dry contact output mode; when the supplied electronic equipment is abnormal, the wind power dry contact card can realize manual passive remote switch signal input, so that the UPS power supply is simply and conveniently turned off, the problem of equipment per se is prevented from influencing the service efficiency and service life of other equipment, and the protection is provided for the equipment.
Description
Technical Field
The utility model relates to the technical field of uninterruptible power supplies, in particular to a dry contact card special for wind power UPS.
Background
The wind power dry contact card is a special standard fitting of a wind power special machine UPS, and is matched with a UPS host to provide relay type dry contact signals to reflect the running state of the UPS; in the past, when the UPS works in a non-inversion output mode (bypass/standby/fault mode), the relay signal of the wind power dry contact card can be automatically output and disconnected, and a computer monitoring system sends out a warning signal at the moment, so that the running state of the UPS is conveniently monitored; when the commercial power is interrupted (accident power failure), the UPS immediately supplies 220V alternating current to the load by using an inverter switching method, so that the load keeps normal work and soft and hardware of the load are protected from damage. However, when the voltage of the battery is supplied to a certain voltage, the relay signal of the wind power dry contact card can be automatically output and disconnected, and the computer monitoring system sends out a warning signal at the moment, so that the UPS running state can be conveniently monitored; when the supplied electronic equipment is abnormal, the wind power dry contact card can carry out manual passive remote switch signal input, and the UPS (UPS mains supply interruption time) output is turned off in an emergency mode, so that no electric energy is supplied to the electronic equipment completely, emergency repair is needed, and economic damage is reduced.
When the UPS is in a charging mode, the voltage fluctuation of a commercial power grid is large, and components using an inverter module or a circuit board are easy to break down by peak voltage; when the UPS continuously outputs electric energy to a load, the long-time market electric energy causes the accumulator battery of the UPS to fail due to over-discharge; therefore, we need to propose a special dry contact card for wind power UPS to solve the above problems, so that it can avoid inconvenience and loss caused by power failure, and avoid influencing the service efficiency and service life of other devices due to the problems of the devices.
Disclosure of utility model
The utility model aims to provide a special dry contact card for wind power UPS, which can avoid inconvenience and loss caused by power failure, and avoid the influence on the service efficiency and service life of other equipment caused by the problem of the equipment, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special dry contact card of wind-powered electricity generation UPS, includes WP-DCC card, be connected with long-range switch button interface and outside DC power supply on the WP-DCC card respectively, be connected with UPS battery detection circuit and the UPS inverter circuit of adopting the dry contact output mode of relay on the outside DC power supply, the one end of UPS battery detection circuit and the one end of UPS inverter circuit all are connected with the pilot lamp, two the one end of pilot lamp all is connected with WP-DCC card, the other end of UPS inverter circuit is connected with switch circuit.
Preferably, the UPS battery detection circuit includes a relay rliy 2 and a coupler U2, five pins of the relay rliy 2 are connected with a diode D2, one end of the diode D2 is connected with a MOS tube Q1, a base of the MOS tube Q1 is connected with a resistor R4, one end of the resistor R4 is connected with three pins of the coupler U2, four pins of the coupler U2 are connected with one end of the diode D2, two pins of the coupler U2 are connected with a MOS tube Q2, a base of the MOS tube Q2 is respectively connected with a resistor R8 and a resistor R6, and one pin of the coupler U2 is connected with a resistor R2 of 3.3V.
Preferably, the UPS inverter circuit includes a relay rli 1 and a coupler U1, five pins of the relay rli 1 are connected with a diode D1, one end of the diode D1 is connected with a MOS tube Q3, a base of the MOS tube Q3 is connected with a resistor R3, one end of the resistor R3 is connected with three pins of the coupler U1, four pins of the coupler U1 are connected with one end of the diode D1, two pins of the coupler U1 are connected with a MOS tube Q4, a base of the MOS tube Q4 is connected with a resistor R7 and a resistor R5 respectively, and one pin of the coupler U1 is connected with a resistor R1 with one end connected with 3.3V.
Preferably, the switch circuit includes a coupler U3, a pin of the coupler U3 is connected with a resistor R1 and a capacitor C3, one end of the capacitor C3 is connected with two pins of the coupler U3, four pins of the coupler U3 are connected with a resistor R12, a capacitor C4 is connected between one end of the resistor R12 and three pins of the coupler U3, four pins of the coupler U3 are further connected with a resistor R10, and one end of the resistor R10 is connected with 3.3V voltage.
Preferably, the device further comprises a buzzer, wherein the buzzer replaces the indicator lamp, and the voltage of the buzzer is matched with the voltage of an external direct current power supply.
Preferably, the WP-DCC card is provided with five pins, the remote switch key interface is connected with one pin and two pins of the WP-DCC card, three pins of the WP-DCC card are common ground pins, and the external direct current power supply is connected with four pins and five pins of the WP-DCC card.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, through the cooperation of the WP-DCC card and the external direct current power supply, the external direct current power supply provides a relay type dry contact signal to reflect the running state of the UPS, and the UPS power supply system is matched with the UPS host, so that the direct current power supply of the UPS storage battery is immediately converted into alternating current to continue to supply power for a load when the power of a mains supply network is instantaneously cut off, thereby avoiding inconvenience and loss caused by power cut off; when the supplied electronic equipment is abnormal, the wind power dry contact card can realize manual passive remote switch signal input, so that the UPS power supply is simply and conveniently turned off, the problem of equipment per se is prevented from influencing the service efficiency and service life of other equipment, and the protection is provided for the equipment.
Drawings
FIG. 1 is a schematic diagram of a WP-DCC card connection of the present utility model;
FIG. 2 is a circuit diagram of a UPS battery detect circuit according to the present utility model;
FIG. 3 is a circuit diagram of a UPS inverter circuit according to the present utility model;
fig. 4 is a circuit diagram of the switching circuit 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.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a special dry contact card of wind-powered electricity generation UPS, includes WP-DCC card, be connected with long-range switch button interface and outside DC power supply on the WP-DCC card respectively, be connected with UPS battery detection circuit and the UPS inverter circuit of adopting the dry contact output mode of relay on the outside DC power supply, the one end of UPS battery detection circuit and the one end of UPS inverter circuit all are connected with the pilot lamp, two the one end of pilot lamp all is connected with WP-DCC card, the other end of UPS inverter circuit is connected with switch circuit.
Taking a UPS state monitoring and indicating system as an example, a user side circuit is connected as shown in fig. 1, a user needs to provide a direct current power supply below 24VDC, the negative electrode of the direct current power supply is connected with the public end of the WP-DCC card, the positive electrode of the direct current power supply is connected with the positive electrode of an indicating lamp, the negative electrode of the indicating lamp is connected with the output pin of the WP-DCC card, and the UPS controls the WP-DCC card to output and indicate the actual working state of the machine according to the actual state.
As shown in fig. 2, the UPS battery detection circuit includes a relay rliy 2 and a coupler U2, five pins of the relay rliy 2 are connected with a diode D2, one end of the diode D2 is connected with a MOS transistor Q1, a base of the MOS transistor Q1 is connected with a resistor R4, one end of the resistor R4 is connected with three pins of the coupler U2, four pins of the coupler U2 are connected with one end of the diode D2, two pins of the coupler U2 are connected with a MOS transistor Q2, a base of the MOS transistor Q2 is respectively connected with a resistor R8 and a resistor R6, one pin of the coupler U2 is connected with a resistor R2 with a 3.3V connection, so that the relay is convenient to output at a dry junction, the switch-on represents that the battery pack is normal, the switch-off represents a charger fault, and the battery is weak or the battery discharges to low voltage, i.e.
The WP-DCC card is a special standard fitting of the UPS of the wind power special machine, and is matched with a UPS host to provide relay type dry contact signals to reflect the running state of the UPS; an Uninterruptible Power Supply (UPS) system is a power protection device with an energy storage device and an inverter as main components and stable voltage frequency output. In the application of computer and network systems, two main roles are played: the emergency power supply is used for emergency, so that the sudden power failure of a power grid is prevented, normal work is influenced, and a computer system is damaged; and secondly, power supply pollution such as power surge, instantaneous high voltage, instantaneous low voltage, instantaneous overvoltage, wire noise, frequency offset and the like is eliminated, and the power supply quality is improved.
As shown in fig. 3, the UPS inverter circuit includes a relay rliy 1 and a coupler U1, five pins of the relay rliy 1 are connected with a diode D1, one end of the diode D1 is connected with a MOS transistor Q3, a base of the MOS transistor Q3 is connected with a resistor R3, one end of the resistor R3 is connected with three pins of the coupler U1, four pins of the coupler U1 are connected with one end of the diode D1, two pins of the coupler U1 are connected with a MOS transistor Q4, a base of the MOS transistor Q4 is respectively connected with a resistor R7 and a resistor R5, one pin of the coupler U1 is connected with a resistor R1 with a 3.3V, the switch-on represents that the inverter output is normal, the switch-off represents that the UPS operates in a non-inverter output mode, and the non-inverter output mode may be a bypass mode, a standby mode or a fault mode.
The utility model is suitable for up power supply in the wind power generation field, and the up power supply charges a lead-acid storage battery through mains supply, and directly converts the electric energy of a UPS battery into alternating current through a UPS inverter circuit once a power failure phenomenon occurs, so that the up power supply can supply power to load equipment for use. When the mains supply is normally input, the UPS uninterrupted power supply stabilizes the mains supply and provides a load for use, and the UPS power supply at the moment is equivalent to an alternating current mains supply voltage stabilizer and charges an internal battery; when the commercial power is interrupted, the UPS immediately supplies 220V alternating current to the load by using an inversion conversion method, so that the load keeps working normally, and soft and hardware of the load are protected from damage, thereby avoiding loss; when the supplied electronic equipment is abnormal, the wind power dry contact card can carry out manual passive remote switch signal input, and the UPS (UPS mains supply interruption time) output is turned off in an emergency mode, so that no electric energy is supplied to the electronic equipment thoroughly, and the electronic equipment is subjected to rush repair, so that economic damage is reduced.
As shown in fig. 4, the switch circuit includes a coupler U3, one pin of the coupler U3 is connected with a resistor R1 and a capacitor C3, one end of the capacitor C3 is connected with two pins of the coupler U3, four pins of the coupler U3 are connected with a resistor R12, a capacitor C4 is connected between one end of the resistor R12 and three pins of the coupler U3, four pins of the coupler U3 are further connected with a resistor R10, and one end of the resistor R10 is connected with 3.3V voltage.
The WP-DCC card is provided with five pins, the remote switch key interface is connected with one pin and two pins of the WP-DCC card, three pins of the WP-DCC card are public ground pins, and the external direct current power supply is connected with four pins and five pins of the WP-DCC card.
The intelligent power supply also comprises a buzzer, wherein the buzzer replaces the indicator lamp, and the voltage of the buzzer is matched with the voltage of an external direct current power supply.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The wind power UPS special dry contact card comprises a WP-DCC card and is characterized in that: the remote switch-on/off key interface and the external direct current power supply are respectively connected to the WP-DCC card, the UPS battery detection circuit and the UPS inverter circuit adopting a relay dry contact output mode are connected to the external direct current power supply, one end of the UPS battery detection circuit and one end of the UPS inverter circuit are both connected with indicator lamps, one ends of the two indicator lamps are both connected with the WP-DCC card, and the other end of the UPS inverter circuit is connected with a switch circuit.
2. The wind power UPS special dry contact card of claim 1, wherein: the UPS battery detection circuit comprises a relay RLY2 and a coupler U2, wherein five pins of the relay RLY2 are connected with a diode D2, one end of the diode D2 is connected with a MOS tube Q1, a base electrode of the MOS tube Q1 is connected with a resistor R4, one end of the resistor R4 is connected with three pins of the coupler U2, four pins of the coupler U2 are connected with one end of the diode D2, two pins of the coupler U2 are connected with the MOS tube Q2, the base electrode of the MOS tube Q2 is respectively connected with a resistor R8 and a resistor R6, and one pin of the coupler U2 is connected with a resistor R2 with one end connected with 3.3V.
3. The wind power UPS special dry contact card of claim 2, wherein: the UPS inverter circuit comprises a relay RLY1 and a coupler U1, wherein five pins of the relay RLY1 are connected with a diode D1, one end of the diode D1 is connected with a MOS tube Q3, a base electrode of the MOS tube Q3 is connected with a resistor R3, one end of the resistor R3 is connected with three pins of the coupler U1, four pins of the coupler U1 are connected with one end of the diode D1, two pins of the coupler U1 are connected with a MOS tube Q4, the base electrode of the MOS tube Q4 is respectively connected with a resistor R7 and a resistor R5, and one pin of the coupler U1 is connected with a resistor R1 with one end connected with 3.3V.
4. A wind power UPS special dry contact card according to claim 3, wherein: the switching circuit comprises a coupler U3, one pin of the coupler U3 is connected with a resistor R1 and a capacitor C3, one end of the capacitor C3 is connected with two pins of the coupler U3, four pins of the coupler U3 are connected with a resistor R12, a capacitor C4 is connected between one end of the resistor R12 and three pins of the coupler U3, four pins of the coupler U3 are also connected with a resistor R10, and one end of the resistor R10 is connected with 3.3V voltage.
5. The wind power UPS special dry contact card of claim 4, wherein: the intelligent power supply also comprises a buzzer, wherein the buzzer replaces the indicator lamp, and the voltage of the buzzer is matched with the voltage of an external direct current power supply.
6. The wind power UPS special dry contact card of claim 5, wherein: the WP-DCC card is provided with five pins, the remote switch key interface is connected with one pin and two pins of the WP-DCC card, three pins of the WP-DCC card are public ground pins, and the external direct current power supply is connected with four pins and five pins of the WP-DCC card.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221126939U true CN221126939U (en) | 2024-06-11 |
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