CN216599107U - Uninterrupted power supply device - Google Patents
Uninterrupted power supply device Download PDFInfo
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- CN216599107U CN216599107U CN202122692561.0U CN202122692561U CN216599107U CN 216599107 U CN216599107 U CN 216599107U CN 202122692561 U CN202122692561 U CN 202122692561U CN 216599107 U CN216599107 U CN 216599107U
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Abstract
The embodiment of the utility model discloses an uninterrupted power supply device, which comprises: the power supply device comprises a mains supply component, a rectification module, an uninterrupted power supply module, a controller and a first functional component; the controller comprises a first power supply end, a second power supply end and an output end; the input end of the rectification module is electrically connected with the mains supply assembly, the output end of the rectification module is respectively connected with the first end of the uninterrupted power supply module and the first power supply end of the controller, and the rectification module is used for supplying power to the uninterrupted power supply module and the controller when the mains supply assembly is in normal power supply; the second end of the uninterruptible power supply module is electrically connected with the second power supply end of the controller and is used for providing a power supply voltage signal for the second power supply end of the controller and supplying power for the first power supply end of the controller when the power supply of the commercial power supply assembly is abnormal; the output end of the controller is electrically connected with the first functional component and used for controlling the first functional component to work so as to realize that the uninterrupted power supply device directly supplies power to the two power supply ends of the controller under the condition of unexpected power failure of system faults, thereby ensuring that the first functional component continues to normally work and ensuring that the uninterrupted power supply device has small volume and low cost.
Description
Technical Field
The embodiment of the utility model relates to the technical field of power supply, in particular to an uninterruptible power supply device.
Background
At present, magnetic suspension air blowers are widely applied, the working principle of the magnetic suspension air blowers is that an active magnetic suspension bearing system is utilized, the magnetic suspension bearings rotating inside are suspended and supported in a non-contact and non-abrasion mode through controllable electromagnetic force, the magnetic suspension bearings are directly connected with impellers, and transmission loss is zero, so that the effects of successfully conveying gas, and the inside of a machine is free of abrasion, low in noise, free of lubrication and the like are achieved. And under the condition of system failure and unexpected power failure, the magnetic suspension bearing falls from the suspension state under the condition of high-speed rotation, so that the magnetic suspension bearing is damaged.
In order to solve the above problems, in the prior art, an Uninterruptible Power Supply (UPS) is often used to supply Power in combination with a plurality of switching Power supplies, which not only occupies a large space, but also has a high cost.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an uninterruptible power supply device, which aims to solve the problems of large size and high cost of the conventional uninterruptible power supply.
The embodiment of the utility model provides an uninterruptible power supply device, which comprises: the power supply device comprises a mains supply component, a rectification module, an uninterrupted power supply module, a controller and a first functional component; the controller comprises a first power supply end, a second power supply end and an output end;
the input end of the rectification module is electrically connected with the mains supply assembly, the output end of the rectification module is respectively connected with the first end of the uninterruptible power supply module and the first power supply end of the controller, and the rectification module is used for supplying power to the uninterruptible power supply module and the controller when the mains supply assembly supplies power normally;
the second end of the uninterruptible power supply module is electrically connected with the second power supply end of the controller and is used for providing a power supply voltage signal for the second power supply end of the controller and supplying power for the first power supply end of the controller when the commercial power supply assembly supplies power abnormally;
the output end of the controller is electrically connected with the first functional component and is used for controlling the first functional component to work.
In the embodiment of the utility model, when the commercial power supply assembly is arranged to supply power normally, the rectifier module outputs direct-current voltage to supply power to the uninterrupted power supply module and the first power supply end of the controller, and the uninterrupted power supply module supplies power to the second power supply end of the controller, so that the controller controls the first functional assembly to work; when the mains supply assembly supplies power abnormally, the uninterrupted power supply module supplies power to the first power supply end and the second power supply end of the controller respectively, the first power supply end and the second power supply end of the controller are guaranteed not to be affected by the power failure of the mains supply assembly, the first functional assembly is prevented from breaking down due to the power failure, the first functional assembly is taken as a magnetic suspension bearing assembly as an example, the magnetic suspension bearing assembly can be prevented from falling and being damaged due to the power failure of the mains supply, and the uninterrupted power supply device is small in size and low in cost.
Drawings
Fig. 1 is a schematic structural diagram of an uninterruptible power supply apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another uninterruptible power supply apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another uninterruptible power supply apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another uninterruptible power supply apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another uninterruptible power supply device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be fully described by the detailed description with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention, not all embodiments, and all other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without inventive efforts fall within the scope of the present invention.
Fig. 1 is a schematic structural diagram of an uninterruptible power supply apparatus according to an embodiment of the present invention, as shown in fig. 1, the uninterruptible power supply apparatus includes a utility power supply module 10, a rectification module 20, an uninterruptible power supply module 30, a controller 40, and a first functional module 50; the controller 40 includes a first power supply terminal V1, a second power supply terminal V2, and an output terminal Y1; the input end of the rectification module 20 is electrically connected with the commercial power supply assembly 10, the output end of the rectification module 20 is respectively connected with the first end of the uninterruptible power supply module 30 and the first power supply end V1 of the controller 40, and the rectification module 20 is used for supplying power to the uninterruptible power supply module 30 and the controller 40 when the commercial power supply assembly 10 is in normal power supply; the second end of the uninterruptible power supply module 30 is electrically connected to the second power supply end V2 of the controller 40, and is configured to provide a power supply voltage signal to the second power supply end V2 of the controller 40, and provide power to the first power supply end V1 of the controller 40 when the power supply of the utility power supply assembly 10 is abnormal; the output of the controller 40 is electrically connected to the first functional component 50 for controlling the operation of the first functional component 50.
The controller 40 may be a highly integrated controller formed by a single chip microcomputer, which is not particularly limited in this embodiment of the present invention.
The first functional component is specifically described as a magnetic suspension bearing component in the embodiment. However, those skilled in the art can understand that the first functional component is not limited to the magnetic suspension bearing component, and may be other components, and then the problem that the first functional component fails due to the power failure of the utility power can be avoided by using the uninterruptible power supply device provided by the embodiment of the present invention, so as to achieve the effect of uninterruptible power supply to the first functional component.
Specifically, under the normal condition of power supply of the utility power supply assembly 10, the utility power supply assembly 10 provides an ac voltage to the arranging module 20, the rectifying module 20 may adopt a three-phase bridge full-control rectifying circuit to convert the three-phase ac voltage provided by the utility power supply assembly 10 into a dc voltage, so that the output voltage range of the rectifying module 20 is adjustable, and the output dc voltage is respectively provided to the uninterruptible power supply module 30 and the first power supply terminal V1 of the controller 40, the uninterruptible power supply module 30 outputs the received voltage signal to the second power supply terminal V2 of the controller 40, so that the controller 40 can normally operate by providing a power supply voltage signal for the controller 40, and meanwhile, the controller 40 receives the voltage output by the rectifying module 20 through the first power supply terminal V1 to control the magnetic suspension bearing assembly to operate in a suspension state. Under the power supply abnormal condition of the commercial power supply assembly 10, the commercial power supply assembly 10 is in a power-off state, at this time, the rectifying module 20 has no direct-current voltage output, the uninterrupted power supply module 30 is continuously supplying power to the second power supply end V2 of the controller 40, and simultaneously supplying power to the first power supply end V1 of the controller 40 through the first end, so that the controller 40 is ensured to continuously control the work suspension state of the magnetic suspension bearing assembly, the magnetic suspension bearing assembly is prevented from falling and being damaged due to the power-off of the commercial power supply assembly 10, and the uninterrupted power supply module 30 is directly electrically connected with the first power supply end V1 and the second power supply end V2 of the controller, the structure of the whole uninterrupted power supply device is simplified, and the size and the occupied space are further reduced.
The uninterruptible power supply module 30 is connected between the rectifier module 20 and the controller 40, and when the mains supply is powered off, the required voltage signals can be directly provided for the two power supply ends of the controller 40 without conversion, so that the wiring of the uninterruptible power supply module 30 in the device is simple, and the uninterruptible power supply module does not need to be combined with other switching power supplies, and therefore, the occupied space is small, the structure is simple, and the cost is low.
In the embodiment of the utility model, when the mains supply assembly supplies power normally, the direct-current voltage is output by the rectifying module to supply power to the uninterruptible power supply module and the first power supply end of the controller, and the uninterruptible power supply module supplies power to the second power supply end of the controller, so that the controller controls the first functional assembly to work.
Optionally, fig. 2 is a schematic structural diagram of another uninterruptible power supply device according to an embodiment of the present invention, and as shown in fig. 2, the uninterruptible power supply device further includes a detection module 60; the utility power supply assembly 10 is electrically connected to the first input terminal X1 of the controller 40 through the detection module 60, and the first control terminal Y2 of the controller 40 is electrically connected to the third terminal of the uninterruptible power supply module 30; the controller 40 is configured to obtain a power supply state of the utility power supply assembly 10 through the detection module 60, and control an operating state of the uninterruptible control module 30 according to the power supply state of the utility power supply assembly 10.
The detection module 60 is used to obtain the working state of the commercial power supply component 10, and may be a voltage sensing unit or a current sensing unit, and the specific type of the detection module 60 is not particularly limited in the embodiment of the present invention.
Specifically, the detection module 60 collects the output voltage or current of the utility power supply assembly 10 and sends the output voltage or current to the controller 40, so that the controller 40 can judge whether the utility power supply assembly 10 supplies power normally, and control the working state of the uninterruptible control module 30 according to the judgment result, thus ensuring that the controller 40 can know the working state of the utility power supply assembly 10 in real time through the detection module 60, and control the uninterruptible control module 30 to supply power to the controller 40 according to the working state of the utility power supply assembly 10, ensuring that the uninterruptible control module 30 can directly supply power to the controller 40 no matter what state the utility power supply assembly 10 is in, simplifying a power supply loop, and further reducing the overall volume of the system. .
Optionally, with continued reference to fig. 2, the controller 40 is configured to control the first terminal of the uninterruptible power supply module 30 to charge when detecting that the utility power supply assembly 10 is in a power-on state; and is further configured to control the first terminal of the uninterruptible power supply module 30 to discharge when detecting that the utility power supply assembly 10 is in the power-off state.
Specifically, the uninterruptible power supply module 30 at least includes an energy storage element, and is configured to, when the utility power supply assembly 10 is in an electrical state, control the first end of the uninterruptible power supply module 30 by the controller 40 to charge through the voltage output by the rectifier module 20, store electric energy, when the utility power supply assembly 10 fails and is powered off, control the first end of the uninterruptible power supply module 30 by the controller 40 to discharge, and supply the output voltage to the first power supply terminal V1 of the controller 40, so as to ensure that the first power supply terminal V1 of the controller 40 does not lose power to affect the normal operation of the first functional assembly 50, and meanwhile, the first end of the uninterruptible power supply module 30 can realize a bidirectional function of charging or discharging, and no additional auxiliary device is needed, thereby reducing the manufacturing cost.
Optionally, fig. 3 is a schematic structural diagram of another uninterruptible power supply device according to an embodiment of the present invention, and as shown in fig. 3, the uninterruptible power supply module 30 includes a first dc-dc conversion unit 301, a battery unit 302, and a second dc-dc conversion unit 303; the first dc-dc conversion unit 301 is connected between the rectifying module 20 and the battery unit 302, and the second dc-dc conversion unit 303 is connected between the battery unit 302 and the second power supply terminal V2 of the controller 40; the first dc-dc conversion unit 301 is configured to charge the battery unit 302 when the commercial power supply assembly 10 is supplying power normally; the controller is further configured to convert the output voltage of the battery unit 302 and supply power to the first power supply terminal V1 of the controller 40 when the commercial power supply assembly 10 is abnormally powered; the second dc-dc conversion unit 303 is configured to convert the output voltage of the battery unit 302 and provide a power voltage signal to the second power supply terminal V2 of the controller 40.
Specifically, when the utility power supply assembly 10 supplies power normally, the first dc-dc conversion unit 301 converts the dc voltage output by the rectification module 20 into the charging voltage of the battery unit 302, and at the same time, the battery unit 302 outputs the dc voltage to the second dc-dc conversion unit 303, and the second dc-dc conversion unit 303 converts the dc voltage output by the battery unit 302 into the power supply voltage of the second power supply terminal V1 of the controller 40, so as to supply power voltage to the controller 40 and ensure the normal operation of each component in the controller 40 and the controller 40. When the utility power supply assembly 10 is abnormally powered, the utility power supply assembly 10 does not provide an alternating voltage any more, so the output voltage of the rectifier module 20 is zero, at this time, the battery unit 302 discharges, the output voltage is supplied to the first dc-dc conversion unit 301, the first power supply end V1 of the controller 40 is supplied with power after voltage conversion, and the battery unit 302 continues to supply power to the second power supply end V2 of the controller 40 through the second dc-dc conversion unit 303, so the uninterruptible power supply module can ensure that the first power supply end V1 and the second power supply end V2 of the controller 40 are normally powered through the combination of the two dc-dc conversion units and the battery unit under different power supply states of the utility power supply assembly, and has the advantages of simple power supply structure, small energy consumption and low cost.
The charging voltage of the battery unit 302 is greater than the discharging voltage of the battery unit 302, and when the battery unit 302 is charged, the battery unit 302 also discharges through the second dc-dc conversion unit 303 to provide a power voltage signal to the second power supply terminal V2 of the controller 40, so that the controller 40 normally works, therefore, the charging voltage of the battery unit 302 needs to be set greater than the discharging voltage of the battery unit 302, it is ensured that the stored electric energy of the battery unit is greater than the released electric energy, and further it is ensured that the battery unit 302 can simultaneously supply power to the first power supply terminal V1 of the controller 40 when the commercial power supply assembly 10 is disconnected, so that the magnetic suspension bearing assembly can maintain suspension for a longer time.
Optionally, the first dc-dc conversion unit 301 includes a bidirectional dc-dc converter, and the output voltage is adjustable.
Specifically, considering that the first dc-dc conversion unit 301 may convert the voltage output by the rectification module 20 to the battery unit 302 for charging, and may also convert the voltage output by the battery unit 302 to the first power supply terminal V1 of the controller 40 for supplying power, in this way, the first dc-dc conversion unit 301 is adopted to realize the switching of different voltage levels in different voltage conversion directions for the bidirectional dc-dc converter, so as to simplify the overall control structure and related wiring of the uninterruptible power supply module 20, so that the uninterruptible power supply module 20 is more miniaturized and simplified, and meanwhile, the output voltage range of the bidirectional dc-dc converter is adjustable, and various power supply voltage requirements of the controller 40 are met.
Optionally, the battery unit 302 includes a lithium battery, which has the characteristics of high storage energy density, long service life, light weight, environmental protection, and the like. It is understood that the battery unit may include a lithium battery, and may also include other types of batteries, and the battery unit is not limited thereto on the basis of ensuring the charging and discharging functions of the battery unit.
Optionally, the voltage input of the second power supply end V2 of the controller 40 is 24V, and the voltage input range of the first power supply end V1 of the controller 40 is 50V-200V.
Specifically, the second power supply terminal V2 of the controller 40 is used to provide a power supply voltage for each component in the controller 40, such as a control chip, with the voltage being lower than 24V, and the controller 40 further includes other circuit elements for controlling the normal operation of the first functional component, so that the power supply voltage range of the first power supply terminal V1 of the controller 40 may be 50V to 200V, and it is sufficient for the controller 40 to control different types and power levels of the first functional component 50.
Alternatively, fig. 4 is a schematic structural diagram of another uninterruptible power supply apparatus according to an embodiment of the present invention, and as shown in fig. 4, the controller 40 at least includes an auxiliary power supply module 401 and a power amplification circuit module 402; the auxiliary power supply module 401 is connected between the second power supply terminal V2 and the power amplification circuit module 402, and is used for supplying power supply voltage to each circuit module in the controller 40; the power amplifier circuit module 402 is connected between the first power supply terminal V1 and the first functional module 50, and the power amplifier circuit module 402 is configured to control the first functional module 50 to operate according to the voltage provided by the first power supply terminal V1.
The auxiliary power module 401 may transmit the voltage provided by the first power supply terminal V1 to the power amplifier module 402 and other control modules not shown in the figure, and the auxiliary power module 401 may or may not perform voltage conversion, and may or may not perform voltage conversion according to the requirements of different control modules, which is not particularly limited in this embodiment.
Specifically, taking the first functional component as an example of a magnetic suspension bearing assembly, the power amplification circuit component 402 is configured to act on a stator coil of the magnetic suspension bearing assembly according to a voltage provided by the second power supply terminal V2 to generate a required electromagnetic force, so as to suspend a rotor of the magnetic suspension bearing assembly, and the type of the power amplification circuit component 402 is different, which has different effects on the performance of the magnetic suspension bearing assembly.
Optionally, fig. 5 is a schematic structural diagram of another uninterruptible power supply device according to an embodiment of the present invention, and as shown in fig. 5, the uninterruptible power supply device further includes a filtering module 70; the filtering module 70 is connected between the rectifying module 20 and the uninterruptible power supply 30, and is configured to filter the output voltage of the rectifying module 20.
Specifically, the filtering module 70 is configured to filter the dc voltage output by the rectifying module 20, so that the output dc voltage does not contain harmonic components and has small fluctuation, thereby ensuring the stability of the supply voltage of the first power supply terminal V2 of the controller 40 and improving the stability of the system operation.
It will be understood by those skilled in the art that the above embodiments of the present invention have been described only by way of example, and the first functional component may also be any other type of functional component, such as any electrical component of household appliances, elevators, etc., without being limited thereto. When the first functional component is another type of functional component, the working process of the uninterrupted power supply is similar to that of the above embodiment, and is not described or illustrated herein again.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An uninterruptible power supply device, comprising: the power supply device comprises a mains supply component, a rectification module, an uninterrupted power supply module, a controller and a first functional component; the controller comprises a first power supply end, a second power supply end and an output end;
the input end of the rectification module is electrically connected with the mains supply assembly, the output end of the rectification module is respectively connected with the first end of the uninterruptible power supply module and the first power supply end of the controller, and the rectification module is used for supplying power to the uninterruptible power supply module and the controller when the mains supply assembly supplies power normally;
the second end of the uninterruptible power supply module is electrically connected with the second power supply end of the controller and is used for providing a power supply voltage signal for the second power supply end of the controller and supplying power for the first power supply end of the controller when the commercial power supply assembly supplies power abnormally;
the output end of the controller is electrically connected with the first functional component and is used for controlling the first functional component to work.
2. The uninterruptible power supply apparatus according to claim 1, further comprising a detection module;
the commercial power supply assembly is electrically connected with a first input end of the controller through the detection module, and a first control end of the controller is electrically connected with a third end of the uninterruptible power supply module;
the controller is used for acquiring the power supply state of the commercial power supply assembly through the detection module and controlling the working state of the uninterrupted power supply module according to the power supply state of the commercial power supply assembly.
3. The uninterruptible power supply device according to claim 2, wherein the controller is configured to control the first terminal of the uninterruptible power supply module to charge when the power supply module is detected to be in a power-on state; and the controller is also used for controlling the first end of the uninterrupted power supply module to discharge when the commercial power supply assembly is detected to be in a power-off state.
4. The uninterruptible power supply device according to claim 1, wherein the uninterruptible power supply module includes a first dc-dc conversion unit, a battery unit, and a second dc-dc conversion unit;
the first direct current-direct current conversion unit is connected between the rectifying module and the battery unit, and the second direct current-direct current conversion unit is connected between the battery unit and a second power supply end of the controller;
the first direct current-direct current conversion unit is used for charging the battery unit when the mains supply component supplies power normally; the controller is also used for converting the output voltage of the battery unit and supplying power to the first power supply end of the controller when the mains supply component is abnormal in power supply;
the second DC-DC conversion unit is used for converting the output voltage of the battery unit and providing a power supply voltage signal for a second power supply end of the controller.
5. The uninterruptible power supply according to claim 4, wherein a charging voltage of the battery unit is greater than a discharging voltage of the battery unit.
6. The uninterruptible power supply according to claim 4, wherein the first DC-DC conversion unit includes a bidirectional DC-DC converter, and an output voltage is adjustable.
7. The uninterruptible power supply of claim 4, wherein the battery unit comprises a lithium battery.
8. The uninterruptible power supply of claim 1, wherein the controller includes at least an auxiliary power supply component and a power amplification circuit component;
the auxiliary power supply assembly is connected between the second power supply end and the power amplification circuit assembly and is used for providing power supply voltage for each circuit assembly in the controller;
the power amplification circuit component is connected between the first power supply end and the first functional component, and the power amplification circuit component is used for controlling the first functional component to work according to the voltage provided by the first power supply end.
9. The uninterruptible power supply as claimed in claim 1, wherein the second supply voltage input of the controller is 24V, and the first supply voltage input of the controller is in a range of 50V to 200V.
10. The uninterruptible power supply of claim 1, further comprising a filtering module;
the filtering module is connected between the rectifying module and the uninterrupted power supply device and used for filtering the output voltage of the rectifying module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692561.0U CN216599107U (en) | 2021-11-04 | 2021-11-04 | Uninterrupted power supply device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122692561.0U CN216599107U (en) | 2021-11-04 | 2021-11-04 | Uninterrupted power supply device |
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| CN216599107U true CN216599107U (en) | 2022-05-24 |
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| CN202122692561.0U Active CN216599107U (en) | 2021-11-04 | 2021-11-04 | Uninterrupted power supply device |
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- 2021-11-04 CN CN202122692561.0U patent/CN216599107U/en active Active
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