Power meter with protection function

Abstract

The utility model relates to a power meter with a protection function, which comprises a power meter body, a display screen, a control button and a connector, the display screen, the control button and the connector are arranged on the power meter body, and the top of the power meter body is sleeved with a protective cover located outside the display screen. The power meter body is sleeved with a protective shell located at the bottom of the protective cover, the protective shell covers the control button, connecting mechanisms connected with the protective shell are arranged in the two side walls of the protective cover, and each connecting mechanism comprises a moving cavity formed in the side wall of the protective cover. When a user operates the control button in the using process, the protective shell can be arranged outside the control button in a covering mode to shield the control button, detection personnel and other operators are prevented from touching the control button, the accuracy of the detection result is improved, and the situation of detection interruption is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of power meters, and in particular relates to a power meter with a protection function. Background Art

[0002] A power meter is an instrument for measuring electrical power. It generally refers to a power meter that measures power in DC and low-frequency technologies. It can also be called a wattmeter. A power meter consists of two parts: a power sensor and a power indicator. The power sensor, also known as a power meter probe, converts high-frequency electrical signals into directly detectable electrical signals through energy. The power indicator includes signal amplification, conversion, and display.

[0003] When using a power meter, the user will clamp the current clamp of the power meter between the power line and the ground line of the electrical equipment under test, and then observe the real-time power data on the power meter. The power meter can directly display the real-time power of the electrical appliance, including active power and reactive power. When the user is waiting for the test results, if the tester or other operators touch the button on the power meter, it will easily affect the test results or directly interrupt the test, making it inconvenient for people to use. Utility Model Content

[0004] The purpose of the present invention is to provide a power meter with a simple structure and reasonable design and a protective function in order to solve the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A power meter with a protective function includes a power meter body, and a display screen, control buttons and a connector arranged on the power meter body. The top of the power meter body is provided with a protective cover located outside the display screen, the outside of the power meter body is provided with a protective shell located at the bottom of the protective cover, and the protective shell cover is provided outside the control button. Both side walls of the protective cover are provided with a connecting mechanism connected to the protective shell. The connecting mechanism includes a movable cavity opened in the side wall of the protective cover, a slide slidably connected to the movable cavity, a connecting plate installed at the bottom of the slide, and a fixing mechanism installed on the outside of the protective cover for fixing the connecting plate. The bottom of the connecting plate extends to the outside of the protective cover and is fixedly connected to the top of the protective shell.

[0007] As a further optimization solution of the present invention, a mounting opening is provided on one side of the protective cover located on the display screen, and transparent glass is installed inside the mounting opening.

[0008] As a further optimization solution of the present invention, a threaded hole is provided on the top of the protective cover and the cover is arranged outside the connecting head. A connecting rope is installed on the top of the protective cover, and a sealing cylinder is installed at one end of the connecting rope for use with the threaded hole.

[0009] As a further optimization solution of the present invention, both sides of the protective cover are threadedly connected with bolts extending into the interior of the protective cover, and the outside of the power meter body is provided with mounting holes for use with the bolts.

[0010] As a further optimization scheme of the present invention, the fixing mechanism includes a sleeve installed on one side of the protective cover, a slider slidably connected in the sleeve, and a fixed plate installed on one side of the slider and extending into the moving cavity. A pull rod extending to the outside of the sleeve is installed on the other side of the slider. The outer sleeve of the pull rod is provided with a spring fixedly connected to the inner wall of the sleeve and one side of the slider. A fixing groove is provided on one side of the slider for use with the fixing plate, and the bottom of the fixing plate is provided with an inclination angle.

[0011] As a further optimization solution of the present invention, a pull plate is installed at one end of the pull rod located outside the sleeve.

[0012] The beneficial effect of the present invention is that when the user operates the control button during use, the protective shell cover can be set on the outside of the control button to shield the control button, preventing the tester and other operators from touching the control button, which not only improves the accuracy of the test results but also reduces the interruption of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a first cross-sectional structural diagram of the present invention;

[0015] Figure 3 This is a second cross-sectional structural diagram of the present invention;

[0016] Figure 4 This utility model Figure 2 Enlarged view of point A in the middle;

[0017] Figure 5 This utility model Figure 2 Enlarged view of point B in the middle.

[0018] In the figure: 1. Power meter body; 2. Protective cover; 3. Transparent glass; 4. Threaded hole; 5. Connecting rope; 6. Sealing tube; 7. Sleeve; 8. Bolt; 9. Protective shell; 10. Connecting plate; 11. Mounting hole; 12. Slider; 13. Fixed plate; 14. Moving cavity; 15. Spring; 16. Pull rod; 17. Pull plate; 18. Slide plate; 19. Fixing groove. DETAILED DESCRIPTION

[0019] The present application is described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0020] Example 1

[0021] like Figure 1 - Figure 5 As shown, a power meter with a protective function includes a power meter body 1, and a display screen, control buttons and a connector arranged on the power meter body 1. The top of the power meter body 1 is provided with a protective cover 2 located outside the display screen, the outside of the power meter body 1 is provided with a protective shell 9 located at the bottom of the protective cover 2, and the protective shell 9 is covered on the outside of the control button. Both side walls of the protective cover 2 are provided with connecting mechanisms connected to the protective shell 9. The connecting mechanism includes a movable cavity 14 opened in the side wall of the protective cover 2, a slide 18 slidably connected to the movable cavity 14, a connecting plate 10 installed at the bottom of the slide 18, and a fixing mechanism installed on the outside of the protective cover 2 for fixing the connecting plate 10, the bottom of the connecting plate 10 extends to the outside of the protective cover 2 and is fixedly connected to the top of the protective shell 9, the fixing mechanism includes a sleeve 7 installed on one side of the protective cover 2, a slider 12 slidably connected in the sleeve 7, and a slider installed on one side of the slider 12 and extending into the movable cavity 14 The fixing plate 13 and the other side of the slider 12 are equipped with a pull rod 16 extending to the outside of the sleeve 7, and the outer sleeve of the pull rod 16 is provided with a spring 15 fixedly connected to the inner wall of the sleeve 7 and one side of the slider 12. A fixing groove 19 is provided on one side of the slide plate 18 for use with the fixing plate 13, and the bottom of the fixing plate 13 is provided with an inclination angle for use with the slide plate 18. A pull plate 17 is installed at one end of the pull rod 16 located outside the sleeve 7. Both sides of the protective cover 2 are threadedly connected with bolts 8 extending to the inside of the protective cover 2. The number of bolts 8 on one side of the protective cover 2 is greater than 1. A mounting hole 11 for use with the bolt 8 is provided on the outside of the power meter body 1, and a mounting port is provided on the side of the protective cover 2 on which a transparent glass 3 is installed. The data displayed on the display screen can be observed through the provided transparent glass 3. The display screen is covered by the protective cover 2 to protect the display screen, which can protect the optical power meter body 1 from being easily broken or scratched.

[0022] It should be noted that, when in use, the protective cover 2 can be placed on the top of the power meter body 1. At this time, the protective cover 2 will cover the display screen, and the bolt 8 will be screwed into the mounting hole 11 to fix the protective cover 2. After the protective cover 2 is fixed, the protective shell 9 will cover the outside of the control button. When the control button needs to be operated, the pull plate 17 can be pulled, and the pull rod 16 will pull the slider 12 to slide inside the sleeve 7. The spring 15 will undergo elastic deformation, and the fixed plate 13 will be separated from the fixed groove 19 under the drive of the slider 12. At this time, pulling the protective shell 2 downward can expose the control button to the outside of the protective shell 9. When the operation is completed, the protective shell 9 can be pushed upward. At this time, the connecting plate 10 will push the slide plate 18 to slide upward inside the movable cavity 14. The slide plate 18 will move along the inclination angle of the fixed plate 13, pushing the fixed plate 13 to move toward the inside of the sleeve 7. When the fixing groove 19 corresponds to the position of the fixing plate 13, under the action of the elastic force of the spring 15, the fixing plate 13 will be pushed into the fixing groove 19, and the slide plate 18 will be fixed, so that the protective shell 9 is covered on the outside of the control button to block the control button and prevent the inspector and other operators from touching the control button, which not only improves the accuracy of the test results but also reduces the situation of test interruption.

[0023] Example 2

[0024] like Figure 1 As shown, the difference between this embodiment and embodiment 1 is that a threaded hole 4 is provided on the top of the protective cover 2 and the cover is arranged on the outside of the connecting head, a connecting rope 5 is installed on the top of the protective cover 2, and a sealing tube 6 is installed at one end of the connecting rope 5 for use with the threaded hole 4, and a thread is provided on the outside of the sealing tube 6 for use with the threaded hole 4.

[0025] A further improved feature of this embodiment is that when the power meter body 1 is not needed, the sealing cylinder 6 can be screwed into the threaded hole 4, and the connector cover can be placed in the sealing cylinder 6 to protect the connector. This not only reduces the dust inside the connector, but also prevents the connector from being hit when the power meter body 1 accidentally falls, thereby extending the service life of the power meter body 1.

[0026] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the concept of the present invention, and all such variations and improvements fall within the scope of protection of the present invention.

Claims

1. A power meter with a protective function, comprising a power meter body (1), and a display screen, control buttons and a connector arranged on the power meter body (1), characterized in that: The top of the power meter body (1) is provided with a protective cover (2) located outside the display screen, the outside of the power meter body (1) is provided with a protective shell (9) located at the bottom of the protective cover (2), and the protective shell (9) is provided outside the control button, and both side walls of the protective cover (2) are provided with a connecting mechanism connected to the protective shell (9), the connecting mechanism includes a movable cavity (14) opened in the side wall of the protective cover (2), a slide (18) slidably connected in the movable cavity (14), a connecting plate (10) installed at the bottom of the slide (18), and a fixing mechanism installed on the outside of the protective cover (2) for fixing the connecting plate (10), the bottom of the connecting plate (10) extends to the outside of the protective cover (2) and is fixedly connected to the top of the protective shell (9).

2. The power meter with protection function according to claim 1, characterized in that: The protective cover (2) is provided with a mounting opening on one side of the display screen, and transparent glass (3) is installed inside the mounting opening.

3. The power meter with protection function according to claim 1, characterized in that: The top of the protective cover (2) is provided with a threaded hole (4) which is arranged outside the connector. A connecting rope (5) is installed on the top of the protective cover (2). One end of the connecting rope (5) is provided with a sealing cylinder (6) which cooperates with the threaded hole (4).

4. The power meter with protection function according to claim 1, characterized in that: Bolts (8) extending into the interior of the protective cover (2) are threadedly connected to both sides of the protective cover (2), and mounting holes (11) for use with the bolts (8) are provided on the outside of the power meter body (1).

5. The power meter with protection function according to claim 1, characterized in that: The fixing mechanism includes a sleeve (7) installed on one side of the protective cover (2), a slider (12) slidably connected in the sleeve (7), and a fixing plate (13) installed on one side of the slider (12) and extending into the moving cavity (14); a pull rod (16) extending to the outside of the sleeve (7) is installed on the other side of the slider (12); the outside of the pull rod (16) is provided with a spring (15) fixedly connected to the inner wall of the sleeve (7) and one side of the slider (12); a fixing groove (19) for use with the fixing plate (13) is opened on one side of the slider (18); and the bottom of the fixing plate (13) is provided with an inclination angle.

6. The power meter with protection function according to claim 5, characterized in that: A pull plate (17) is installed at one end of the pull rod (16) located outside the sleeve (7).

Images