CN213633762U

CN213633762U - UPS testing device

Info

Publication number: CN213633762U
Application number: CN202022832712.3U
Authority: CN
Inventors: 李倍存; 邓海华; 洪鹤隽; 梁昌豪; 林朝悦
Original assignee: Guangxi Yaxiang Technology Co ltd
Current assignee: Guangxi Yaxiang Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-06
Anticipated expiration: 2030-11-30

Abstract

The utility model provides a UPS testing device, which comprises a shell, a main control module, a display module and a load circuit with adjustable resistance, wherein the main control module and the load circuit are both arranged in a cavity inside the shell, and the display module is arranged at the top of the shell; the load circuit comprises an access head used for connecting the output end of the UPS, wherein the access head is arranged at the top of the shell; the main control module comprises a control unit, a voltage acquisition unit and a current acquisition unit, wherein the voltage acquisition unit, the current acquisition unit, the display module and the load circuit are all electrically connected with the control unit, and the voltage acquisition unit and the current acquisition unit are all electrically connected with the load circuit. According to the UPS testing device, due to the fact that the load size can be adjusted, workers can conveniently obtain the output power of the UPS under different load conditions, and therefore the output power characteristic parameters of the UPS can be accurately calculated.

Description

UPS testing device

Technical Field

The utility model relates to a UPS technical field especially relates to UPS testing arrangement.

Background

UPS is called Uninterruptable Power Supply in its entirety, and its name in Chinese is UPS. The UPS needs a long time to operate, and this causes performance degradation of its internal conversion element, inversion element, power amplifier element, etc., thereby causing problems such as variation of output power characteristic parameters of the UPS. To this end, after the UPS has been in use for a period of time, it needs to be tested by the relevant personnel to determine the current performance parameters of the USP.

The existing test equipment has the problem that test parameters cannot be adjusted, so that data acquired by workers are very limited, and the performance of the UPS is difficult to accurately judge.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide UPS testing arrangement for solve the problem among the prior art.

In order to solve the above problem, the utility model provides a: the UPS testing device comprises a shell, a main control module, a display module and a load circuit with adjustable resistance, wherein the main control module and the load circuit are both arranged in a cavity inside the shell, and the display module is arranged at the top of the shell;

the load circuit comprises an access head used for connecting the UPS output end, wherein the access head is arranged at the top of the shell;

the main control module comprises a control unit, a voltage acquisition unit and a current acquisition unit, wherein the voltage acquisition unit, the current acquisition unit, the display module and the load circuit are electrically connected with the control unit, and the voltage acquisition unit and the current acquisition unit are electrically connected with the load circuit.

Further, the load circuit comprises a switch module and a plurality of resistors, the switch module comprises switches in one-to-one correspondence with the resistors, and when the switches are closed, the resistors are connected in parallel;

the switch module is electrically connected with the control unit.

Further, the display module comprises a touch screen.

Further, a heat dissipation device is arranged in the cavity.

Further, the heat dissipation device comprises a heat dissipation fan arranged at the bottom of the cavity.

Further, a vent hole is formed in the top of the housing.

Further, the heat dissipation device comprises a heat dissipation fin arranged on the side face of the cavity.

Further, a temperature sensor is arranged in the cavity.

Furthermore, a telescopic pull rod is arranged on the shell.

Further, the bottom of the shell is provided with a roller.

The utility model has the advantages that: the utility model provides a UPS testing arrangement, including casing, host system, display module and resistance adjustable load circuit, wherein, host system and load circuit all set up in the inside cavity of casing, and the display module sets up in the top of casing.

When the UPS is tested, the output end of the UPS can be connected with the access head of the load circuit, then the resistance value of the load circuit is adjusted through the control unit of the main control module, and the output voltage and the output current of the UPS under different load conditions are obtained through the voltage acquisition unit and the current acquisition unit. The staff can acquire the information processed by the control unit through the display module.

Because the access head and the display module are arranged at the top of the shell, the operation and observation of workers are very convenient.

According to the UPS testing device, due to the fact that the load size can be adjusted, workers can conveniently obtain the output power of the UPS under different load conditions, and therefore the output power characteristic parameters of the UPS can be accurately calculated. In addition, the UPS testing device also has the advantages of simple structure, convenient operation and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 shows a schematic diagram of a UPS testing apparatus;

FIG. 2 illustrates a top view of a UPS testing apparatus;

FIG. 3 illustrates a rear view of a UPS testing apparatus;

FIG. 4 shows a block diagram of the connections between the main control module, the display module and the load circuit;

fig. 5 shows a schematic diagram of a load circuit.

Description of the main element symbols:

1-a shell; 2-a main control module; 3-a display module; 4-a load circuit; 5-an access head; 6-a control unit; 7-a voltage acquisition unit; 8-a current collection unit; 9-a switch module; 10-resistance; 11-a switch; 12-mains supply plug; 13-a boat-type switch; 14-a heat dissipation fan; 15-a vent hole; 16-a heat sink; 17-a fixing frame; 18-telescopic pull rod; 19-a roller; 20-a USB interface; 21-feedback interface.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example one

Referring to fig. 1, fig. 2 and fig. 3, in the present embodiment, a UPS testing apparatus is provided, which includes a housing 1, a main control module 2, a display module 3 and a load circuit 4 with an adjustable resistance. The main control module 2 and the load circuit 4 are both arranged in a cavity inside the casing 1, and the display module 3 is arranged at the top of the casing 1. For easy viewing, the housing 1 in fig. 1 has two side panels removed.

The load circuit 4 comprises an access 5 for connecting the UPS outputs, wherein the access 5 is arranged on top of the housing 1. The access head 5 may be a female head.

The height of the shell 1 can be set between 0.4-1 m, wherein, the display module 3 and the access head 5 are both arranged at the top of the shell 1, so that the observation and the operation of workers are very convenient.

As shown in fig. 4, the main control module 2 includes a control unit 6, a voltage collecting unit 7, and a current collecting unit 8. Wherein, voltage acquisition unit 7, current acquisition unit 8, display module 3 and load circuit 4 all with the control unit 6 electric connection, voltage acquisition unit 7 and current acquisition unit 8 all with load circuit 4 electric connection.

The control unit 6 has the functions of receiving, transmitting and processing data, and can also send control commands. Because the voltage acquisition unit 7 and the current acquisition unit 8 are connected with the control unit 6, the control unit 6 can receive corresponding voltage and current and carry out corresponding processing; since the display module 3 is connected to the control unit 6, the control unit 6 can transmit corresponding data to the display module 3 for display; since the load circuit 4 is connected to the control unit 6, the control unit 6 can control and adjust the resistance of the load circuit 4.

The voltage collecting unit 7 is used for detecting and collecting the voltage of the load circuit 4 and transmitting the voltage to the control unit 6.

The current collecting unit 8 is used for detecting and collecting the current of the load circuit 4 and transmitting the current to the control unit 6.

In this embodiment, the control unit 6 may include a single chip or an MCU, the voltage collecting unit 7 may select a voltage sensor, and the current collecting unit 8 may select a current sensor.

In order to realize better human-computer interaction, the display module 3 can be a touch screen. The staff accessible touch-sensitive screen sends the signal of adjusting load circuit 4 resistance size to control unit 6, utilizes control unit 6 to accomplish the regulation to the load resistance.

As shown in fig. 5, in the present embodiment, the load circuit 4 may include a switch module 9 and a plurality of resistors 10, the switch module 9 includes switches 11 corresponding to the resistors 10, wherein when each switch 11 is closed, the resistors 10 are connected in parallel. In order to realize the control and adjustment of the resistance value, the switch module 9 is electrically connected with the control unit 6.

During the test, the more the resistors 10 are connected in parallel, the smaller the resistance of the load circuit 4 will be, and for this purpose, the magnitude of the resistance of the load circuit 4 can be adjusted by controlling the on/off of the switch.

In this embodiment, the number of the resistors 10 and the resistance of each resistor 10 may be selected according to actual situations. Wherein, the switch can be an electromagnetic switch or the like.

In order to supply power to the electronic components in the UPS test apparatus, the top of the housing 1 may be provided with a mains plug 12 and a boat switch 13. After the power line with the commercial power is connected with the commercial power plug 12, a worker turns on the ship-shaped switch 13 to start the UPS testing device. Wherein, the cavity of casing 1 can be provided with power supply circuit board, supplies power to each electronic components through power supply circuit board.

Because the inside of the shell 1 is provided with more electronic components, a large amount of heat can be generated during working, and therefore, a heat dissipation device can be arranged in the cavity.

In this embodiment, the heat dissipation device may include a heat dissipation fan 14 disposed at the bottom of the cavity. Wherein, in order to accelerate heat dissipation, the top of the housing 1 may be provided with a vent hole 15.

Except for the radiator fan 14. The heat sink may also include fins 16 disposed on the sides of the cavity. Wherein the radiating fins 16 can be spliced with each other, thereby increasing the radiating area. The heat sink 16 can be mounted to the side of the cavity by means of a mounting bracket 17 and bolted. Since the resistor 10 generates a large amount of heat after being energized, the resistor 10 can be provided on the heat sink 16.

In the present embodiment, the heat sink 16 may be made of an aluminum sheet or the like.

To facilitate monitoring of the temperature within the cavity, a temperature sensor may be disposed within the cavity. The temperature sensor can be connected to the control unit 6, wherein the temperature detected by the temperature sensor can be displayed by means of the display module 3.

As shown in fig. 2 and 3, a telescopic rod 18 may be provided on the housing 1, and a roller 19 may be provided on the bottom of the housing 1, so that it is convenient for a worker to move the UPS testing apparatus.

The UPS test device provided by the embodiment can realize the test of the UPS related performance. When testing the UPS, the staff can link to each other the output of UPS with access head 5 of load circuit 4, later, adjusts load circuit 4's resistance through the control unit 6 of host system 2, simultaneously, utilizes voltage acquisition unit 7 and current acquisition unit 8 to obtain the output voltage and the output current of UPS under the different load condition. Wherein, the staff can know the information processed by the control unit 6 through the display module 3.

Because the product of the output voltage and the output current is the output power, the change of the output power characteristic parameter of the UPS can be judged by comparing the output power with the power calibrated by the UPS. In addition, whether staff can judge the performance of the UPS to be attenuated or not according to whether the working time of the UPS at the rated power reaches the standard or not.

To facilitate storing the data obtained by the test, a memory may be connected to the control unit 6.

Further, a USB interface 20 may be disposed on the circuit board of the control unit 6, wherein the USB interface 20 may be located on the top of the housing 1. The operator connects the external device to the USB interface 20 to derive the data measured by the UPS testing apparatus.

When the UPS works, if the driven load exceeds a set value, the UPS enters a protection state. For this purpose, the top of the housing 1 may be further provided with a feedback interface 21, wherein a worker may be connected to the UPS through a feedback line (data line), and when the UPS enters a protection state, a corresponding message may be displayed on the display module 3 to remind the worker that the UPS has reached a limit.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

The UPS testing device is characterized by comprising a shell, a main control module, a display module and a load circuit with adjustable resistance, wherein the main control module and the load circuit are both arranged in a cavity inside the shell, and the display module is arranged at the top of the shell;

the load circuit comprises an access head used for connecting the UPS output end, wherein the access head is arranged at the top of the shell;

the main control module comprises a control unit, a voltage acquisition unit and a current acquisition unit, wherein the voltage acquisition unit, the current acquisition unit, the display module and the load circuit are electrically connected with the control unit, and the voltage acquisition unit and the current acquisition unit are electrically connected with the load circuit.
2. The UPS testing apparatus of claim 1, wherein the load circuit comprises a switch module and a plurality of resistors, the switch module comprising switches in one-to-one correspondence with the resistors, wherein when each of the switches is closed, the resistors are connected in parallel with each other;

the switch module is electrically connected with the control unit.
3. The UPS testing apparatus of claim 1, wherein the display module comprises a touch screen.
4. The UPS testing apparatus of claim 1, wherein a heat sink is disposed within the cavity.
5. The UPS testing device of claim 4, wherein the heat sink comprises a heat sink fan disposed at a bottom of the cavity.
6. The UPS testing device of claim 5, wherein a top of the housing is provided with a vent.
7. The UPS testing apparatus of claim 4, wherein the heat sink comprises fins disposed on a side of the cavity.
8. The UPS testing apparatus of any of claims 1-7, wherein a temperature sensor is disposed within the cavity.
9. A UPS testing device according to any one of claims 1 to 7, wherein a telescopic pull rod is provided on the housing.
10. A UPS testing device according to any one of claims 1 to 7, wherein the bottom of the housing is provided with rollers.