Air-cooled heat dissipation UPS (Uninterrupted Power Supply)

Abstract

The utility model belongs to the technical field of UPS (Uninterrupted Power Supply), and particularly relates to an air-cooled heat dissipation UPS, which comprises a battery, an inverter, a control module, a temperature sensor and a heat dissipation fan, the control module can obtain the working temperature of the UPS through the temperature sensor and control the inverter and the heat dissipation fan to work through the control unit, the temperature of the UPS is controlled at the same time from the two aspects of heat generation and active heat dissipation, higher heat dissipation efficiency is achieved, the performance and efficiency reduction of the UPS is relieved, the working stability is improved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of UPS power supplies, and particularly relates to a UPS power supply with air cooling and heat dissipation. Background Art

[0002] UPS (Uninterruptible Power Supply), that is, an uninterruptible power supply, is a constant voltage and constant frequency uninterruptible power supply containing an energy storage device and mainly composed of an inverter. It is mainly used to provide uninterrupted power supply for some devices with high requirements for power stability. When the mains input is normal, the UPS stabilizes the mains voltage and supplies it to the load for use. At this time, the UPS is an AC voltage stabilizer, and at the same time, it also charges the battery inside the machine; when the mains power is interrupted, the UPS immediately converts the DC electrical energy of the battery into alternating current through an inverter conversion method to continue supplying power to the load, enabling the load to maintain normal operation and protecting the load software and hardware from damage.

[0003] The UPS generates heat during operation. Especially for high-power UPS systems, since the internal electronic components and batteries generate heat during operation, if effective heat dissipation management is not carried out, it may lead to a decrease in the performance and efficiency of the UPS, affecting its stability and lifespan, and even causing overheating and damage to the components. In the prior art, generally, active heat dissipation methods such as fans are used to directly dissipate heat from the UPS power supply. The fan always operates at a constant speed, so it is difficult to achieve a high heat dissipation efficiency under different working conditions. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the defect that the heat dissipation efficiency is relatively low due to the constant speed of the active heat dissipation fan of the UPS in the prior art, so as to provide a UPS power supply with air cooling and heat dissipation.

[0005] A UPS power supply with air cooling and heat dissipation includes a battery, an inverter, a control module, a temperature sensor, and a heat dissipation fan; the control module is connected to the inverter to control the switch of the inverter; the inverter is connected to the battery to convert the output current of the battery into alternating current; the control module is respectively connected to the temperature sensor and the heat dissipation fan to obtain the data of the temperature sensor and control the heat dissipation fan;

[0006] It further includes a plurality of control units. The multiple control terminals of the control module are respectively connected to the controlled terminals of the inverter and the controlled terminals of the cooling fan through the control units. The control unit includes a first input resistor, a pull-up resistor, a first triode, a diode, and a relay. The first end of the first input resistor is connected to the control terminal of the control module, and the second end is connected to the base of the first triode. The first end of the pull-up resistor is connected to the DC power supply, and the second end is connected to the base of the first triode. The emitter of the first triode is grounded, and the collector is connected to the first end of the input circuit of the relay. The second end of the input circuit of the relay is connected to the DC power supply, and both ends of the output circuit are connected to the controlled terminal. The positive pole of the diode is connected to the first end of the input circuit of the relay, and the negative pole is connected to the second end of the input circuit.

[0007] Further, the number of inverters is two, which are the main inverter and the slave inverter respectively.

[0008] Further, it also includes a screen, which is connected to the control module and is used to display the working state of the UPS power supply.

[0009] Further, it also includes a screen driving circuit. The screen driving circuit includes a bus transceiver and a second triode. The base of the second triode is connected to the control module through a resistor, the collector is connected to the DC power supply through a resistor and is connected to the RE and DE terminals of the bus transceiver, and the emitter is grounded. The R terminal of the bus transceiver is connected to the control module, the D terminal and the GND terminal are grounded, the VCC terminal is connected to the DC power supply, the A terminal is connected to the DC power supply through a resistor, the B terminal is grounded through a resistor, and the A terminal and the B terminal are connected through a resistor and are connected to the screen.

[0010] Further, it also includes a switch unit. The switch unit includes a key, a second input resistor, a field effect transistor, and a light emitting diode. One end of the key is the switch end, and the other end is connected to the control module. The first end of the second input resistor is connected to the control module, and the second end is connected to the gate of the field effect transistor. The drain of the field effect transistor is grounded, the source is connected to the first end of the light emitting diode, and the second end of the light emitting diode is connected to the DC power supply.

[0011] Further, the switch end of the temperature sensor is connected to the switch unit.

[0012] Further, the switch of the inverter is connected to the switch unit.

[0013] Beneficial effects: The present utility model discloses a UPS power supply with air-cooled heat dissipation, which includes a battery, an inverter, a control module, a temperature sensor and a cooling fan; the control module can obtain the operating temperature of the UPS power supply through the temperature sensor, and control the operation of the inverter and the cooling fan through the control unit, so as to control the temperature of the UPS power supply from both aspects of heat generation and active heat dissipation, achieve higher heat dissipation efficiency, alleviate the reduction of the performance and efficiency of the UPS power supply, and improve the working stability and service life. Brief Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a schematic block diagram of the overall structure of the present utility model;

[0016] Figure 2 It is a schematic diagram of the circuit structure of the control unit of the present utility model;

[0017] Figure 3 It is a schematic diagram of the circuit structure of the screen driving circuit of the present utility model;

[0018] Figure 4 It is a schematic diagram of the circuit structure of the switching unit of the present utility model. Detailed Embodiments

[0019] In order to make the above-mentioned objects, features and advantages of the present application more obvious and understandable, the following will give a detailed description of the specific embodiments of the present application with reference to the drawings. Many specific details are set forth in the following description in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein. Those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0020] In the description of the present application, it should be understood that the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0021] In this application, unless otherwise clearly defined or limited, terms such as "installed", "connected", "linked", "fixed", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there may be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation.

[0023] Referring to Figure 1 As shown, this embodiment provides a UPS power supply with air-cooled heat dissipation, including a battery, an inverter, a control module, a temperature sensor and a cooling fan; the control module is connected to the inverter to control the switch of the inverter; the inverter is connected to the battery to convert the output current of the battery into alternating current; the control module is respectively connected to the temperature sensor and the cooling fan to obtain the data of the temperature sensor and control the cooling fan;

[0024] Referring to Figure 2 As shown, it further includes a plurality of control units. The multiple control terminals of the control module are respectively connected to the controlled terminals of the inverter and the controlled terminals of the cooling fan through the control units; the control unit includes a first input resistor R1, a pull-up resistor R2, a first triode Q1, a diode D1 and a relay K1; the first end of the first input resistor R1 is connected to the control terminal of the control module, and the second end is connected to the base of the first triode Q1; the first end of the pull-up resistor R2 is connected to the DC power supply, and the second end is connected to the base of the first triode Q1; the emitter of the first triode Q1 is grounded, and the collector is connected to the first end of the input circuit of the relay K1; the second end of the input circuit of the relay K1 is connected to the DC power supply, and both ends of the output circuit are connected to the controlled terminal; the positive pole of the diode D1 is connected to the first end of the input circuit of the relay K1, and the negative pole is connected to the second end of the input circuit.

[0025] The utility model discloses a UPS power supply with air-cooled heat dissipation, which includes a battery, an inverter, a control module, a temperature sensor and a cooling fan; the control module can obtain the operating temperature of the UPS power supply through the temperature sensor, and control the operation of the inverter and the cooling fan through the control unit, so as to control the temperature of the UPS power supply from both aspects of heat generation and active heat dissipation, achieve higher heat dissipation efficiency, alleviate the reduction of the performance and efficiency of the UPS power supply, and improve the working stability and service life.

[0026] Specifically, the number of the inverters is two, which are a main inverter and a slave inverter respectively.

[0027] As a further improvement of this embodiment, it further includes a screen, and the screen is connected to the control module for displaying the working state of the UPS power supply. Refer to Figure 3 As shown, it further includes a screen driving circuit; the screen driving circuit includes a bus transceiver U1 and a second triode Q2; the base of the second triode Q2 is connected to the control module through a third resistor R3, and is connected to a DC power supply through the third resistor R3 and a fourth resistor R4. The collector is connected to the DC power supply and the RE and DE terminals of the bus transceiver U1 through a fifth resistor R5, and the emitter is grounded; the R terminal of the bus transceiver U1 is connected to the control module, the D terminal and the GND terminal are grounded, the VCC terminal is connected to the DC power supply, the A terminal is connected to the DC power supply through a seventh resistor R7, the B terminal is grounded through a sixth resistor R6, and the A terminal and the B terminal are connected through an eighth resistor R8 and connected to the screen. As a preference of this embodiment, the model of the bus transceiver U1 is SN75176.

[0028] In this embodiment, refer to Figure 4 As shown, it further includes a switch unit, and the switch unit includes a key, a second input resistor R9, a field effect transistor Q3 and a light emitting diode LED; one end of the key is connected to the switch terminal, and the other end is connected to the control module; the first end of the second input resistor R9 is connected to the control module, and the second end is connected to the gate of the field effect transistor Q3; the drain of the field effect transistor Q3 is grounded, the source is connected to the first end of the light emitting diode LED, and the second end of the light emitting diode LED is connected to the DC power supply. In this embodiment, when the control signal of the control module is valid and turned on, the switch terminal is valid, and at the same time the light emitting diode LED lights up.

[0029] In this embodiment, there are two switch units, the switch terminal of the temperature sensor is connected to the switch unit, and the switch of the inverter is connected to the other switch unit.

[0030] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0031] The above-described embodiments merely represent several implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. An air-cooled UPS power supply, characterized in that, It includes a battery, an inverter, a control module, a temperature sensor and a cooling fan; the control module is connected to the inverter to control the switch of the inverter; the inverter is connected to the battery to convert the output current of the battery into alternating current; the control module is respectively connected to the temperature sensor and the cooling fan to obtain the data of the temperature sensor and control the cooling fan; It further includes a plurality of control units, and a plurality of control terminals of the control module are respectively connected to the controlled terminals of the inverter and the controlled terminals of the cooling fan through the control units; the control unit includes a first input resistor, a pull-up resistor, a first triode, a diode and a relay; the first end of the first input resistor is connected to the control terminal of the control module, and the second end is connected to the base of the first triode; the first end of the pull-up resistor is connected to the DC power supply, and the second end is connected to the base of the first triode; the emitter of the first triode is grounded, and the collector is connected to the first end of the input loop of the relay; the second end of the input loop of the relay is connected to the DC power supply, and both ends of the output loop are connected to the controlled terminal; the positive pole of the diode is connected to the first end of the input loop of the relay, and the negative pole is connected to the second end of the input loop.

2. The air-cooled UPS power supply according to claim 1, wherein The number of the inverters is two, which are a main inverter and a slave inverter respectively.

3. The UPS power supply with air cooling according to claim 1, characterized in that, It further includes a screen, and the screen is connected to the control module for displaying the working state of the UPS power supply.

4. The UPS power supply with air cooling according to claim 3, characterized in that, It further includes a screen driving circuit; the screen driving circuit includes a bus transceiver and a second triode; the base of the second triode is connected to the control module through a resistor, the collector is connected to the DC power supply through a resistor and connected to the RE and DE terminals of the bus transceiver, and the emitter is grounded; the R terminal of the bus transceiver is connected to the control module, the D terminal and the GND terminal are grounded, the VCC terminal is connected to the DC power supply, the A terminal is connected to the DC power supply through a resistor, the B terminal is grounded through a resistor, and the A terminal and the B terminal are connected through a resistor and connected to the screen.

5. The UPS power supply with air cooling according to claim 1, characterized in that, It further includes a switch unit, and the switch unit includes a key, a second input resistor, a field effect transistor and a light emitting diode; one end of the key is connected to the switch terminal, and the other end is connected to the control module; the first end of the second input resistor is connected to the control module, and the second end is connected to the gate of the field effect transistor; the drain of the field effect transistor is grounded, the source is connected to the first end of the light emitting diode, and the second end of the light emitting diode is connected to the DC power supply.

6. The UPS power supply with air-cooled heat dissipation according to claim 5, characterized in that, The switch terminal of the temperature sensor is connected to the switch unit.

7. An air-cooled UPS power supply according to claim 5, characterized in that, The switch of the inverter is connected to the switch unit.

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