Primary frequency modulation testing device with protection mechanism

Abstract

A primary frequency modulation testing device with a protection mechanism disclosed by the present invention comprises a device body, the two sides of the device body are limited in a protection shell through positioning assemblies, the protection shell comprises two groups of first side plates and a bottom plate integrally arranged with the two groups of first side plates, and the top of the protection shell is also provided with a buffer cover for sealing. When the two sides of the device body make contact with the bottom ends of the two sets of V-shaped pressing plates, the bottom ends of the V-shaped pressing plates can be extruded, the bottom ends of the V-shaped pressing plates are made to face outwards, then the tops of the V-shaped pressing plates are driven to abut against and press the device body, and the device body is positioned and fixed through cooperation with second compression springs at the tops of first limiting blocks; the second compression springs are matched with a bottom pad arranged at the top of the bottom plate to buffer and absorb energy to protect components on the back of the device body, and the third compression springs are matched with the first compression springs and the second compression springs to buffer and absorb energy from multiple angles to protect components in the device body.

Description

Technical Field

[0001] The invention relates to the technical field of power generation, and in particular to a primary frequency modulation test device with a protection mechanism. Background Art

[0002] Primary frequency regulation refers to the automatic control process in which the control system of the units in the power grid automatically controls the increase or decrease of the active power of the units, limits the change of the power grid frequency, and maintains a stable power grid frequency once the power grid frequency deviates from the rated value.

[0003] At present, most of the primary frequency modulation test equipment adopts a box-type structure, and the electrical components are installed in the box. When transporting or carrying it over long distances, it is easy to be affected by external impacts or bumps, which may affect or damage the performance of the internal electrical components and affect their use. Summary of the invention

[0004] The purpose of the present invention is to solve the problems existing in the above-mentioned background technology and to propose a primary frequency modulation test device with a protection mechanism.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technology: a primary frequency modulation test device with a protective mechanism, including a device body, a handle is provided on the top of the device body, and both sides of the device body are limited in a protective shell by a positioning assembly, and the protective shell includes two groups of first side panels and a bottom plate integrally arranged with the two groups of first side panels, and a buffer cover is also provided on the top of the protective shell for sealing, and the buffer cover is also provided with a locator for positioning the top of the device body, and a latch is also provided at the bottom of the buffer cover for locking.

[0006] As a further description of the above technology, a primary frequency modulation test device with a protective mechanism is provided: the positioning assembly includes a V-shaped pressure plate, which is hinged to the inner sides of two groups of first side plates through a positioning block, and the bottom of the V-shaped pressure plate is elastically connected to the inner wall of the first side plate through a first compression spring.

[0007] As a further description of the above technology, a primary frequency modulation test device with a protective mechanism is provided: two groups of columns are fixedly arranged on the top of the base plate on one side of the device body, the columns are integrally provided with a first limit block, and a second compression spring is arranged around the top of the first limit block outside the columns.

[0008] As a further description of the primary frequency modulation test device with a protective mechanism of the above technology: a first slot is provided on one side of the device body, a column passes through the first slot, and the first slot abuts against the top of the second compression spring.

[0009] As a further description of the above-mentioned technology, a primary frequency modulation test device with a protective mechanism is provided: the positioner includes second card slots fixed on both sides of the device body, a positioning rod passes through the second card slot, the positioning rod is fixed to the bottom of the top cover plate, a second limit block is fixed to the outside of the positioning rod, and a third compression spring is provided around the bottom of the second limit block on the outside of the positioning rod, and the third compression spring abuts against the top of the second card slot.

[0010] As a further description of the above technology, a primary frequency modulation test device with a protective mechanism is provided: the buffer cover includes a top cover plate and a second side plate, the second side plates are arranged at the bottom of both ends of the top cover plate, and the lock is arranged at the bottom of two groups of the second side plates.

[0011] As a further description of the above technology, a primary frequency modulation test device with a protective mechanism is provided: the lock includes a sleeve fixed to the bottom of the second side plate, an inner shaft passes through the sleeve, and the inner shaft is fixed to the top of the hook through a connecting rod, one end of the hook is clamped in the bottom slot, and the bottom slot is opened at the bottom of the bottom plate.

[0012] As a further description of the primary frequency modulation test device with a protective mechanism of the above technology: a bottom pad is provided on the top of the bottom plate, and the bottom pad abuts against the bottom of the device body.

[0013] As a further description of the primary frequency modulation test device with a protective mechanism of the above technology: a through slot is provided inside the top cover plate, the handle passes through the through slot, and handles are also provided on both sides of the top cover plate.

[0014] In summary, due to the use of the above-mentioned technology, a primary frequency modulation test device with a protection mechanism has the following beneficial effects:

[0015] 1. In the present invention, when the device body is placed in the protective shell, the two sides of the device body will squeeze the bottom ends of the V-shaped pressure plates when they contact the bottom ends of the two groups of V-shaped pressure plates, so that the bottom ends of the V-shaped pressure plates are outward, thereby driving the top of the V-shaped pressure plates to abut and press the device body, and cooperate with the second compression spring on the top of the first limit block to position and fix the device body, the second compression spring cooperates with the bottom pad set on the top of the bottom plate, can buffer and absorb external forces to protect the components on the back of the device body, the top cover plate presses the device body through the positioning rod and the third compression spring to position the device body in the vertical direction, the hinged hook at the bottom of the second side plate is clamped in the bottom slot, thereby cooperating with the third compression spring to lock the buffer cover on the top of the device body, and under the action of the third compression spring, it can buffer and absorb external forces, and cooperate with the first compression spring and the second compression spring to buffer and absorb energy at multiple angles for the device body to protect the components inside the device body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A stereogram is shown according to an embodiment of the present invention;

[0017] Figure 2 A three-dimensional diagram of the structure of the buffer cover connecting part provided in accordance with an embodiment of the present invention is shown;

[0018] Figure 3 It shows the internal structure diagram of the protective shell and the device body according to an embodiment of the present invention;

[0019] Figure 4 It shows a structural diagram of the connection part between the device body and the buffer cover provided in an embodiment of the present invention;

[0020] Figure 5 The embodiment of the present invention provides Figure 2 Enlarged view of structure A in the middle.

[0021] Legend: 1. Device body; 2. Handle; 3. First side panel; 4. Bottom panel; 5. Bottom slot; 6. Positioning block; 7. V-shaped pressure plate; 8. First compression spring; 9. Post; 10. First slot; 11. First limit block; 12. Second compression spring; 13. Positioning rod; 14. Second limit block; 15. Third compression spring; 16. Second slot; 17. Sleeve; 18. Inner shaft; 19. Connecting rod; 20. Top cover; 21. Second side panel; 22. Through slot; 23. Handle; 24. Bottom pad; 25. Hook. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technology of a primary frequency modulation test device with a protection mechanism in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-Figure 5 As shown, the present invention provides a technical solution: a primary frequency modulation test device with a protective mechanism, comprising a device body 1, a handle 2 is provided on the top of the device body 1, the handle 2 is used to manually carry the device body, both sides of the device body 1 are limited in a protective shell by a positioning assembly, the protective shell comprises two groups of first side panels 3 and a bottom plate 4 integrally arranged with the two groups of first side panels 3, a buffer cover is also provided on the top of the protective shell for sealing, the buffer cover is also provided with a positioner for positioning the top of the device body 1, the positioner can perform buffering between the buffer cover and the device body 1, and a latch is also provided at the bottom of the buffer cover for locking.

[0024] For details, please refer to Figure 1-Figure 3 As shown, the positioning assembly includes a V-shaped pressure plate 7, which is hinged on the inner sides of the two groups of first side plates 3 through a positioning block 6, and the bottom of the V-shaped pressure plate 7 is elastically connected to the inner wall of the first side plate 3 through a first compression spring 8. The top of the bottom plate 4 is located on one side of the device body 1 and is fixed with two groups of columns 9. The columns 9 are integrally provided with a first limiting block 11, and the outside of the columns 9 is located on the top of the first limiting block 11 and is surrounded by a second compression spring 12. One side of the device body 1 is provided with a first card slot 10, and the first card slot 10 runs through the column 9, and the first card slot 10 abuts against the top of the second compression spring 12. The positioner includes a second card slot 16 fixed on both sides of the device body 1, and the second card slot 16 runs through a positioning rod 13, and the positioning rod 13 is fixed to the bottom of the top cover plate 20. The positioning rod 13 is fixed with a second limiting block 14 on the outside of the positioning rod 13. 13 is located outside the bottom of the second limit block 14 and is surrounded by a third compression spring 15, which abuts against the top of the second card slot 16. The buffer cover includes a top cover plate 20 and a second side plate 21. The second side plates 21 are arranged at the bottom of both ends of the top cover plate 20. The lock is arranged at the bottom of the two groups of second side plates 21. The lock includes a sleeve 17 fixed to the bottom of the second side plate 21. The sleeve 17 is penetrated by an inner shaft 18. The inner shaft 18 is fixed to the top of the hook 25 through a connecting rod 19. One end of the hook 25 is clamped in the bottom card slot 5. The bottom card slot 5 is opened at the bottom of the bottom plate 4. A bottom pad 24 is provided on the top of the bottom plate 4. The bottom pad 24 abuts against the bottom of the device body 1. A through slot 22 is provided inside the top cover plate 20. The handle 2 passes through the through slot 22. The top cover plate 20 is also provided with handles 23 on both sides of the through slot 22.

[0025] In this embodiment, when the device body 1 is placed in the protective shell, the two sides of the device body 1 will squeeze the bottom ends of the V-shaped pressure plates 7 when they contact the bottom ends of the two groups of V-shaped pressure plates 7, so that the bottom ends of the V-shaped pressure plates 7 are outward, thereby driving the top of the V-shaped pressure plates 7 to abut and press the device body, and cooperate with the second compression spring 12 at the top of the first limit block 11, so as to position and fix the device body 1, and the second compression spring 12 cooperates with the bottom pad 24 set on the top of the bottom plate 4 to buffer and absorb external forces to protect the components inside the device body 1. The top cover plate 20 presses the device body 1 through the positioning rod 13 and the third compression spring 15 to position the device body 1 in the vertical direction, and the hook 25 hinged at the bottom of the second side plate 21 is clamped in the bottom card slot 5, so as to cooperate with the third compression spring 15 to lock the buffer cover on the top of the device body 1, and the third compression spring 15 cooperates with the first compression spring 8 and the second compression spring 12 to buffer and absorb energy at multiple angles for the device body to protect the components inside the device body.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field within the technical scope disclosed by the present invention, according to the technology of the present invention a primary frequency modulation test device with a protective mechanism and its utility model concept, shall be equivalently replaced or changed, and shall be covered within the protection scope of the present invention.

Claims

1. A primary frequency modulation test device with a protective mechanism, comprising a device body (1), a handle (2) being provided on the top of the device body (1), characterized in that: Both sides of the device body (1) are limited in position in the protective shell by a positioning assembly, and the protective shell comprises two groups of first side panels (3) and a bottom plate (4) integrally arranged with the two groups of first side panels (3). The top of the protective shell is also provided with a buffer cover for sealing, and the buffer cover is also provided with a positioner for positioning the top of the device body (1). The bottom of the buffer cover is also provided with a latch for locking.

2. A primary frequency modulation test device with a protection mechanism according to claim 1, characterized in that: The positioning assembly comprises a V-shaped pressure plate (7), wherein the V-shaped pressure plate (7) is hinged to the inner sides of the two groups of first side plates (3) via a positioning block (6), and the bottom of the V-shaped pressure plate (7) is elastically connected to the inner wall of the first side plate (3) via a first compression spring (8).

3. A primary frequency modulation test device with a protection mechanism according to claim 1, characterized in that: Two groups of columns (9) are fixedly provided on the top of the bottom plate (4) and located on one side of the device body (1); the columns (9) are integrally provided with a first limit block (11); and a second compression spring (12) is provided outside the columns (9) and located on the top of the first limit block (11) and around it.

4. A primary frequency modulation test device with a protection mechanism according to claim 3, characterized in that: A first card slot (10) is provided on one side of the device body (1), a column (9) passes through the first card slot (10), and the first card slot (10) abuts against the top of the second compression spring (12).

5. A primary frequency modulation test device with a protection mechanism according to claim 1, characterized in that: The positioner comprises a second card slot (16) fixed on both sides of the device body (1), a positioning rod (13) passing through the second card slot (16), the positioning rod (13) being fixed to the bottom of the top cover plate (20), a second limit block (14) being fixedly arranged outside the positioning rod (13), a third compression spring (15) being arranged around the bottom of the second limit block (14) outside the positioning rod (13), and the third compression spring (15) abutting against the top of the second card slot (16).

6. A primary frequency modulation test device with a protection mechanism according to claim 1, characterized in that: The buffer cover comprises a top cover plate (20) and a second side plate (21), wherein the second side plates (21) are arranged at the bottoms of both ends of the top cover plate (20), and the latches are arranged at the bottoms of two groups of the second side plates (21).

7. A primary frequency modulation test device with a protection mechanism according to claim 6, characterized in that: The latch comprises a sleeve (17) fixed to the bottom of the second side plate (21), an inner shaft (18) passing through the sleeve (17), the inner shaft (18) being fixed to the top of a hook (25) via a connecting rod (19), one end of the hook (25) being latched in a bottom slot (5), and the bottom slot (5) being provided at the bottom of the bottom plate (4).

8. A primary frequency modulation test device with a protection mechanism according to claim 1, characterized in that: A bottom pad (24) is provided on the top of the bottom plate (4), and the bottom pad (24) abuts against the bottom of the device body (1).

9. A primary frequency modulation test device with a protection mechanism according to claim 6, characterized in that: A through slot (22) is provided inside the top cover plate (20), the handle (2) passes through the through slot (22), and handles (23) are also provided on both sides of the top cover plate (20) located on the through slot (22).

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