A power quality analyzer

Abstract

The present application belongs to the technical field of electric energy detection equipment, and discloses an electric energy quality analyzer, including a housing, a display screen and buttons are arranged on one side of the housing, a plurality of side interfaces are arranged on the side wall of the housing adjacent to the display screen, and a protective cover is hinged on the housing for simultaneously protecting the display screen, buttons and side interfaces. In the present application, the protective cover is hinged on the side wall of the housing, and after the protective cover is closed, the display screen, buttons and side interfaces can be protected at the same time, reducing the probability that the display screen, buttons and side interfaces are damaged by external force and that debris accumulates on the surface and needs to be cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of electric energy detection equipment, in particular to an electric energy quality analyzer. Background Art

[0002] A power quality analyzer is a portable test instrument specially used to detect and analyze the quality of power grid operation. A power quality analyzer can measure and analyze various parameters in power operation, such as voltage, current, frequency, power factor, harmonics, three-phase imbalance, voltage fluctuation and flicker, etc.

[0003] A power quality analyzer is disclosed in a Chinese utility model patent with publication number CN220671557U, comprising: a housing; sunken areas are provided on both sides of the housing; a plurality of side interfaces are provided in the sunken areas; a flip plate is rotatably connected to the back of the housing; in a first state, the flip plate covers the side interfaces; in a second state, the flip plate rotates to expose the side interfaces, the top of the flip plate abuts against the housing, and the analyzer is tilted and supported by the bottom of the flip plate; an upper cover is detachably installed on the top of the housing to cover the wiring terminals on the top, and a display screen and buttons are provided on the front side of the housing.

[0004] With respect to the above-mentioned related technologies, the inventors believe that there are the following defects: when the power quality analyzer is not in use, the flip cover can only protect the side interface, but cannot effectively protect the display screen and buttons, which are important components of the power quality analyzer. When the display screen and buttons are squeezed by external force, they are easily damaged. Therefore, the power quality analyzer in the above scheme needs to be improved. Utility Model Content

[0005] In order to solve the above problems, the utility model provides a power quality analyzer.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a power quality analyzer, including a shell, a display screen and buttons are arranged on one side of the shell, a plurality of side interfaces are arranged on the side wall of the shell adjacent to the display screen, and a protective cover is hinged on the shell for protecting the display screen, buttons and side interfaces at the same time.

[0007] By adopting the above technical solution, the protective cover is hinged on the side wall of the shell. After the protective cover is closed, it can protect the display screen, buttons and side interfaces at the same time, thereby reducing the probability of the display screen, buttons and side interfaces being damaged by external force and the probability of debris accumulating on the surface and needing to be cleaned.

[0008] Furthermore, the protective cover includes an L-shaped plate body and a side plate body fixed to the horizontal plate side wall of the L-shaped plate body, one side of the vertical plate of the L-shaped plate body is rotatably connected to the side wall of the shell away from the side interface, the side plate body is rotatably connected to the side wall of the shell on the same side of the side interface, and an installation groove is provided on the side wall of the shell on the same side as the display screen, and the display screen and buttons are both located in the installation groove.

[0009] By adopting the above technical solution, the shell and the display screen are both located in the installation groove. When the protective cover is closed, the side wall of the L-shaped plate fits with the side wall of the shell and will not touch the display screen and buttons, thereby effectively protecting the display screen and buttons.

[0010] Furthermore, a snap-in groove is provided on the side wall on the same side as the housing and the display screen, and the snap-in groove is located close to the top wall in the installation groove. An iron sheet is fixed in the snap-in groove, and a magnetic block is fixed at a position corresponding to the horizontal plate of the L-shaped plate body and the snap-in groove.

[0011] By adopting the above technical solution, after the protective cover is closed, the magnetic block and the iron sheet are attracted to each other, thereby enhancing the stability of the protective cover during the closing process.

[0012] Furthermore, a first arc-shaped slide groove and a second arc-shaped slide groove connected to the first arc-shaped slide groove are provided on the side wall on the same side of the shell and the side interface, the axis of the rotating shaft between the shell and the side plate body coincides with the axis of the first arc-shaped slide groove and the axis of the second arc-shaped slide groove, the second arc-shaped slide groove is located on the side of the first arc-shaped slide groove away from the middle of the shell, the first arc-shaped slide groove and the second arc-shaped slide groove are both connected to the side wall of the shell on the same side of the display screen, the width of the first arc-shaped slide groove is greater than the width of the second arc-shaped slide groove, a slider is slidably provided in the first arc-shaped slide groove, and a connecting rod slidably matched with the second arc-shaped slide groove is fixed on the side of the slider away from the middle of the shell, and an arc-shaped through groove for the connecting rod to pass through and slidably match is penetrated at the position of the side plate body corresponding to the second arc-shaped slide groove, and a nut is threadedly connected to the end of the connecting rod.

[0013] By adopting the above technical solution, after loosening the nut, the staff can rotate the outer shell, and then push the connecting rod to make the connecting rod slide along the arc-shaped through groove and the second arc-shaped slide groove. The slider slides along the first arc-shaped slide groove to adjust the angle between the outer shell and the horizontal plate of the L-shaped plate body. After the adjustment, the outer shell can be fixed by re-tightening the nut, so that the staff can adjust the inclination angle of the outer shell according to usage requirements.

[0014] Furthermore, a first rubber gasket and a second rubber gasket are sleeved on the connecting rod, the side wall on one side of the first rubber gasket fits with the side wall of the slider, the side wall on the other side of the first rubber gasket fits with the inner wall of the first arc-shaped slide groove close to the nut, and the second rubber gasket is located between the side wall of the side plate body away from the shell and the nut.

[0015] By adopting the above technical solution, the first rubber gasket and the second rubber gasket are both made of rubber material with good elasticity. After tightening the nut, the effect of fixing the outer shell is enhanced.

[0016] Furthermore, a straight groove is provided on the side wall of the side plate body, which is connected with the arc-shaped through groove and allows the connecting rod to pass through.

[0017] By adopting the above technical solution, the provision of the straight groove makes it easier for workers to install the connecting rod, so that the connecting rod can be slid from the straight groove into the arc-shaped through groove and the second arc-shaped sliding groove.

[0018] Furthermore, a rubber plate and a suction cup are fixed to the bottom of the horizontal plate of the L-shaped plate body.

[0019] By adopting the above technical solution, the rubber plate is made of rubber material, the surface has a large friction coefficient, the suction cup can be adsorbed to the surface of other objects, and the rubber plate and the suction cup cooperate to enhance the stability of the power quality analyzer during use.

[0020] Furthermore, an operating block is fixed on one side of the suction cup.

[0021] By adopting the above technical solution and setting the operating block, when the staff moves the power quality analyzer, they only need to press the suction cup through the operating block to move the position of the power quality analyzer.

[0022] In summary, the utility model has the following beneficial effects:

[0023] 1. In the present application, the protective cover is hinged on the side wall of the housing. When the protective cover is closed, the display screen, buttons and side interfaces can be protected at the same time, which reduces the probability of the display screen, buttons and side interfaces being damaged by external force and the probability of debris accumulating on the surface and needing to be cleaned;

[0024] 2. In this application, the housing and the display screen are both located in the mounting groove. When the protective cover is closed, the side wall of the L-shaped plate fits with the side wall of the housing and will not touch the display screen and buttons, thereby effectively protecting the display screen and buttons;

[0025] 3. In the present application, the rubber sheet is made of rubber material, and the surface has a large friction coefficient. The suction cup can be adsorbed on the surface of other objects. The rubber sheet and the suction cup cooperate to enhance the stability of the power quality analyzer during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic structural diagram of an embodiment of the utility model for highlighting the closed state of the protective cover;

[0027] Figure 2 This is a schematic diagram of the structure of an embodiment of the utility model for highlighting the open state of the protective cover;

[0028] Figure 3 This is a schematic diagram of an embodiment of the utility model used to highlight the angle of the housing after adjustment;

[0029] Figure 4 yes Figure 3 Schematic diagram of the local structure after explosion;

[0030] Figure 5 yes Figure 4 The enlarged schematic diagram of point A in the middle;

[0031] Figure 6 yes Figure 4 A magnified schematic diagram of point B in the middle.

[0032] In the figure: 1. shell; 11. display screen; 12. button; 13. side interface; 14. installation groove; 15. snap-in groove; 151. iron sheet; 16. first arc-shaped slide groove; 17. second arc-shaped slide groove; 2. protective cover; 21. L-shaped plate; 211. magnetic block; 22. side plate; 221. arc-shaped through groove; 222. straight groove; 3. rotating shaft; 4. slider; 41. connecting rod; 411. nut; 5. first rubber gasket; 6. second rubber gasket; 7. rubber plate; 8. suction cup; 81. operating block. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0034] like Figure 1-6 As shown, the embodiment of the present application discloses a power quality analyzer, including a housing 1 and a protective cover 2. A display screen 11 and buttons 12 are arranged on one side of the housing 1, and a plurality of side interfaces 13 are arranged on the side wall of the housing 1 adjacent to the display screen 11.

[0035] The protective cover 2 is hinged on the housing 1, and is used to simultaneously protect the display screen 11, the button 12, and the side interface 13 when the power quality analyzer is not in use. The protective cover 2 includes an L-shaped plate body 21 and a side plate body 22 fixed to the horizontal plate side wall of the L-shaped plate body 21. One side of the vertical plate of the L-shaped plate body 21 is rotatably connected to the side wall of the housing 1 away from the side interface 13, and the side plate body 22 is rotatably connected to the side wall of the housing 1 on the same side of the side interface 13. The housing 1 is provided with a mounting groove 14 on the side wall on the same side as the display screen 11, and the display screen 11 and the button 12 are both located in the mounting groove 14. The housing 1 and the display screen 11 are both located in the mounting groove 14. When the protective cover 2 is closed, the side wall of the L-shaped plate body 21 fits with the side wall of the housing 1, and will not touch the display screen 11 and the button 12, thereby effectively protecting the display screen 11, the button 12, and the side interface 13, and reducing the probability that the display screen 11, the button 12, and the side interface 13 are squeezed and damaged by external forces, and the probability that debris accumulates on the surface and needs to be cleaned.

[0036] In order to enhance the stability of the protective cover 2 during the closing process, a snap-in groove 15 is provided on the side wall on the same side of the outer shell 1 and the display screen 11. The snap-in groove 15 is located near the inner top wall of the mounting groove 14. An iron sheet 151 is fixed in the snap-in groove 15. A magnetic block 211 is fixed at a position corresponding to the horizontal plate of the L-shaped plate body 21 and the snap-in groove 15. After the protective cover 2 is closed, the magnetic block 211 is attracted to the iron sheet 151, thereby enhancing the stability of the protective cover 2 during the closing process.

[0037] In this embodiment, a first arc-shaped slide groove 16 and a second arc-shaped slide groove 17 connected to the first arc-shaped slide groove 16 are provided on the side wall of the housing 1 and the side interface 13. The axis of the rotating shaft 3 between the housing 1 and the side plate 22 coincides with the axis of the first arc-shaped slide groove 16 and the axis of the second arc-shaped slide groove 17. The second arc-shaped slide groove 17 is located on the side of the first arc-shaped slide groove 16 away from the middle of the housing 1. The first arc-shaped slide groove 16 and the second arc-shaped slide groove 17 are both connected to the display screen. 11 is connected to the side wall of the shell 1 on the same side, the width of the first arc-shaped slide groove 16 is greater than the width of the second arc-shaped slide groove 17, a slider 4 is slidably arranged in the first arc-shaped slide groove 16, a connecting rod 41 that is slidably matched with the second arc-shaped slide groove 17 is fixed on the side of the slider 4 away from the middle of the shell 1, and an arc-shaped through groove 221 for the connecting rod 41 to pass through and slide and match is penetrated and arranged at the position corresponding to the second arc-shaped slide groove 17 of the side plate body 22, and a nut 411 is threadedly connected to the end of the connecting rod 41. After loosening the nut 411, the staff can rotate the shell 1, and then push the connecting rod 41, and make the connecting rod 41 slide along the arc-shaped through groove 221 and the second arc-shaped slide groove 17, and the slider 4 slides along the first arc-shaped slide groove 16, so as to adjust the angle between the shell 1 and the horizontal plate of the L-shaped plate body 21, and after the adjustment is completed, the shell 1 can be fixed by re-tightening the nut 411, so that the staff can adjust the inclination angle of the shell 1 according to the use requirements.

[0038] In order to enhance the effect of fixing the housing 1, the first rubber gasket 5 and the second rubber gasket 6 are sleeved on the connecting rod 41, the side wall of one side of the first rubber gasket 5 is in contact with the side wall of the slider 4, the side wall of the other side of the first rubber gasket 5 is in contact with the inner wall of the first arc-shaped slide groove 16 close to the nut 411, and the second rubber gasket 6 is located between the side wall of the side plate 22 away from the housing 1 and the nut 411. The first rubber gasket 5 and the second rubber gasket 6 are both made of rubber material with good elasticity, and after tightening the nut 411, the effect of fixing the housing 1 is enhanced.

[0039] To facilitate the installation of the connecting rod 41, a straight groove 222 is provided on the side wall of the side plate body 22, which is connected to the arc-shaped through groove 221 and for the connecting rod 41 to pass through, so that the staff can install the connecting rod 41 easily, so that the connecting rod 41 can slide from the straight groove 222 into the arc-shaped through groove 221 and the second arc-shaped slide groove 17, and the slider 4 can slide into the first arc-shaped slide groove 16.

[0040] In order to enhance the stability of the power quality analyzer during use, a rubber plate 7 and a suction cup 8 are fixed to the bottom of the horizontal plate of the L-shaped plate body 21. The rubber plate 7 is made of rubber material and has a large friction coefficient on the surface. The suction cup 8 can be adsorbed on the surface of other objects. The rubber plate 7 cooperates with the suction cup 8, which is conducive to enhancing the stability of the power quality analyzer during use. In this embodiment, an operating block 81 is fixed to one side of the suction cup 8. When the staff moves the power quality analyzer, they only need to press the suction cup 8 through the operating block 81 to move the position of the power quality analyzer.

[0041] The operating principle of a power quality analyzer in the present embodiment is as follows: the shell 1 and the display screen 11 are both located in the installation groove 14. When the power quality analyzer is not in use, the staff needs to close the protective cover 2, and the side wall of the L-shaped plate 21 fits against the side wall of the shell 1 without touching the display screen 11 and the button 12, thereby effectively protecting the display screen 11, the button 12 and the side interface 13 at the same time, reducing the probability of the display screen 11, the button 12 and the side interface 13 being damaged by external force and the probability of debris accumulating on the surface needing to be cleaned.

[0042] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A power quality analyzer, comprising a housing (1), a display screen (11) and a button (12) being arranged on one side of the housing (1), and a plurality of side interfaces (13) being arranged on a side wall of the housing (1) adjacent to the display screen (11), wherein: A protective cover (2) is hingedly connected to the housing (1) and is used to simultaneously protect the display screen (11), the buttons (12) and the side interface (13); The protective cover (2) comprises an L-shaped plate body (21) and a side plate body (22) fixed to the horizontal plate side wall of the L-shaped plate body (21); one side of the vertical plate of the L-shaped plate body (21) is rotatably connected to the side wall of the housing (1) away from the side interface (13); the side plate body (22) is rotatably connected to the side wall of the housing (1) on the same side as the side interface (13); a mounting groove (14) is provided on the side wall of the housing (1) on the same side as the display screen (11); the display screen (11) and the button (12) are both located in the mounting groove (14).

2. The power quality analyzer according to claim 1, characterized in that: A snap-in groove (15) is provided on the side wall of the housing (1) on the same side as the display screen (11); the snap-in groove (15) is located close to the inner top wall of the mounting groove (14); an iron sheet (151) is fixed in the snap-in groove (15); and a magnetic block (211) is fixed at a position corresponding to the snap-in groove (15) on the horizontal plate of the L-shaped plate body (21).

3. A power quality analyzer according to claim 2, characterized in that: A first arc-shaped slide groove (16) and a second arc-shaped slide groove (17) connected to the first arc-shaped slide groove (16) are provided on the side wall on the same side of the shell (1) and the side interface (13); the axis of the rotating shaft (3) between the shell (1) and the side plate (22) coincides with the axis of the first arc-shaped slide groove (16) and the axis of the second arc-shaped slide groove (17); the second arc-shaped slide groove (17) is located on the side of the first arc-shaped slide groove (16) away from the middle of the shell (1); the first arc-shaped slide groove (16) and the second arc-shaped slide groove (17) are both on the same side as the display screen (11). The side wall of the outer shell (1) is connected to the side, the width of the first arc-shaped slide groove (16) is greater than the width of the second arc-shaped slide groove (17), a slider (4) is slidably arranged in the first arc-shaped slide groove (16), a connecting rod (41) slidably matched with the second arc-shaped slide groove (17) is fixed on the side of the slider (4) away from the middle of the outer shell (1), an arc-shaped through groove (221) for the connecting rod (41) to pass through and slidably match is penetrated at the position of the side plate (22) corresponding to the second arc-shaped slide groove (17), and a nut (411) is threadedly connected to the end of the connecting rod (41).

4. The power quality analyzer according to claim 3, characterized in that: The connecting rod (41) is sleeved with a first rubber gasket (5) and a second rubber gasket (6); the side wall of one side of the first rubber gasket (5) is in contact with the side wall of the slider (4); the side wall of the other side of the first rubber gasket (5) is in contact with the inner wall of the first arc-shaped sliding groove (16) close to the nut (411); and the second rubber gasket (6) is located between the side wall of the side plate (22) away from the housing (1) and the nut (411).

5. A power quality analyzer according to claim 4, characterized in that: A straight groove (222) is provided on the side wall of the side plate body (22) and is in communication with the arc-shaped through groove (221) and is used for the connecting rod (41) to pass through.

6. A power quality analyzer according to claim 5, characterized in that: A rubber plate (7) and a suction cup (8) are fixed to the bottom of the horizontal plate of the L-shaped plate body (21).

7. A power quality analyzer according to claim 6, characterized in that: An operating block (81) is fixed to one side of the suction cup (8).

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