Extra-high-voltage high-capacity series resonance withstand voltage test vehicle
By designing a protective case and a sealing connection mechanism on the high-voltage resonant pressure-resistant test vehicle, the problem of the test structure being exposed to the outside world when not in use is solved, the sealing protection of the test structure is achieved, and the service life of the equipment is extended.
Patent Information
- Application Number
- CN202421062519.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-05-16
AI Technical Summary
The test structure of the existing high-voltage resonant voltage withstand test vehicles is usually exposed to the outside world when not in use, resulting in insufficient protection effect and seriously affecting its service life.
An ultra-high voltage large-capacity series resonant pressure-resistant test vehicle was designed, and the test structure was sealed and protected by protective shells and sealing connection mechanisms, including components such as fixed shells, servo motors, threaded rods, sealing plates and electric push rods to achieve protective sealing of the test structure.
Through the sealing protection of the test structure when not in use, the exposed state is avoided, the service life of the equipment is extended, and practicality is improved.
Smart Images

Figure CN222784523U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of high-voltage resonance withstand voltage test process, in particular to an ultra-high voltage and large-capacity series resonance withstand voltage test vehicle. Background Art
[0002] A test bench is required during the high-voltage resonant withstand voltage test. In order to facilitate the movement of the test bench, the test bench is usually installed directly on the test vehicle for use, which makes it easier to move the test bench.
[0003] According to the application number: CN201821437077.5, a UHV large-capacity series resonant withstand voltage test vehicle is characterized in that: it includes an integrated series resonant device and a vehicle-mounted operation control platform; the series resonant device includes a variable frequency power supply, an excitation transformer, a high-voltage resonant inductor and a capacitive voltage divider; the variable frequency power supply and the excitation transformer are placed in the car; the tail of the test vehicle is connected to a test bench, and the high-voltage resonant inductor is installed on the test bench; the capacitive voltage divider is fixed on the high-voltage resonant inductor.
[0004] In the above case, the test structure on the test vehicle is usually directly exposed to the outside when not in use, which reduces the protection effect of the test structure and seriously affects its service life. Utility Model Content
[0005] The utility model aims to provide a UHV large-capacity series resonance withstand voltage test vehicle to solve the problems raised in the above-mentioned background technology.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a UHV large-capacity series resonant withstand voltage test vehicle, comprising:
[0007] Mobile car;
[0008] A protective shell installed on the top of the mobile vehicle;
[0009] A driving mechanism, wherein the driving mechanism is arranged on the protective shell, and the driving mechanism comprises a fixed shell, wherein the number of the fixed shells is two and the fixed shells are respectively installed on the left and right sides of the top of the mobile vehicle, and a test bench is arranged inside the protective shell;
[0010] A sealing connection mechanism, the sealing connection mechanism is arranged on the protective shell, the sealing connection mechanism comprises two sealing plates, and the number of the sealing plates is two and they are respectively arranged on the top of the protective shell;
[0011] A test mechanism is arranged on a test bench, and comprises a high-voltage resonant reactor, and the high-voltage resonant reactor is installed on the left side of the top of the test bench.
[0012] Preferably, a servo motor is installed at the bottom of the inner wall of the fixed shell, a threaded rod is installed at the top of the servo motor output shaft, a threaded block is threadedly connected to the surface of the threaded rod, a moving block is installed on the top of the threaded block, and the moving block is fixedly connected to the test bench through a connecting block on the side close to the test bench.
[0013] Preferably, an adjusting block is installed on the top of the sealing plate, a fixed shaft is movably connected to the groove on the top of the fixed shell through a bearing, the top end of the fixed shaft is fixedly connected to the bottom of the adjusting block, and a top plate used in conjunction with the sealing plate is installed on the sides of the two fixed shells away from each other.
[0014] Preferably, a fixing groove is provided on opposite sides of the two sealing plates, an electric push rod is installed on the inner wall of the fixing groove, a sealing block is installed on the output end of the electric push rod, and the side of the sealing block away from the electric push rod passes through the fixing groove and extends to the outside thereof.
[0015] Preferably, a card block is installed on the sealing block on the left, and a card slot matching the card block is opened on the side of the sealing block on the right close to the card block, and the side of the card block close to the card slot penetrates the card slot and extends to the inside to contact the inner wall of the card slot.
[0016] Preferably, a withstand voltage test detection interface is installed on the right side of the top of the test bench, a capacitive voltage divider is installed on the top of the test bench and on the right side of the high-voltage resonant inductor, and a variable frequency power supply and an excitation transformer are installed on the bottom of the test bench from left to right.
[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0018] 1. The utility model cooperates with each other among a fixed shell, a test bench, a servo motor, a threaded rod, a threaded block, a moving block, a sealing plate, an adjusting block, a fixed shaft, a top plate, a fixed groove, an electric push rod, a sealing block, a clamping block and a clamping groove, so as to facilitate the protective sealing of the test structure when not in use, avoid the test structure being always exposed to the outside when not in use, thereby avoiding affecting its service life and improving practicality.
[0019] 2. The utility model realizes the withstand voltage test of ultra-high voltage and large capacity series resonance through the mutual cooperation of high-voltage resonant inductor, withstand voltage test detection interface, capacitor voltage divider, variable frequency power supply and excitation transformer. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0021] Figure 2 It is a structural cross-sectional view of the front view of the utility model;
[0022] Figure 3 For this utility model Figure 2 A partial enlarged view of middle A.
[0023] In the figure: 1 mobile vehicle, 11 protective shell, 2 driving mobile mechanism, 21 fixed shell, 22 test bench, 23 servo motor, 24 threaded rod, 25 threaded block, 26 mobile block, 3 sealing connection mechanism, 31 sealing plate, 32 adjustment block, 33 fixed shaft, 34 top plate, 35 fixed groove, 36 electric push rod, 37 sealing block, 38 card block, 39 card slot, 4 test mechanism, 41 high-voltage resonant inductor, 42 withstand voltage test detection interface, 43 capacitor voltage divider, 44 variable frequency power supply, 45 excitation transformer. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-3 A UHV large-capacity series resonance withstand voltage test vehicle comprises: a mobile vehicle 1 and a protective shell 11, the protective shell 11 is installed on the top of the mobile vehicle 1, an inspection plate is arranged on the front of the protective shell 11, the back of the inspection plate is in contact with the front of the protective shell 11, and two fastening bolts threadedly connected to the protective shell 11 are arranged on the front of the inspection plate.
[0026] Furthermore, by loosening the fastening bolts, the inspection panel can be opened, so that the internal structure of the protective shell 11 can be easily maintained and inspected.
[0027] The driving mobile mechanism 2 is arranged on the protective shell 11. The driving mobile mechanism 2 includes a fixed shell 21. There are two fixed shells 21 and they are respectively installed on the left and right sides of the top of the mobile vehicle 1. A test bench 22 is arranged inside the protective shell 11. The surface of the test bench 22 is in sliding contact with the inner wall of the fixed shell 21. A servo motor 23 is fixedly connected to the bottom of the inner wall of the fixed shell 21. A threaded rod 24 is fixedly connected to the top of the output shaft of the servo motor 23. A threaded block 25 is threadedly connected to the surface of the threaded rod 24. The surface of the threaded block 25 is in sliding contact with the inner wall of the fixed shell 21. A moving block 26 is fixedly connected to the top of the threaded block 25. The moving block 26 is fixedly connected to the test bench 22 through a connecting block 27 on the side close to the test bench 22.
[0028] The sealing connection mechanism 3 is arranged on the protective shell 11. The sealing connection mechanism 3 includes a sealing plate 31. There are two sealing plates 31 and they are respectively arranged on the top of the protective shell 11. The bottom of the sealing plate 31 contacts the top of the protective shell 11. The top of the sealing plate 31 is fixedly connected with an adjusting block 32. A fixed shaft 33 is movably connected in the groove at the top of the fixed shell 21 through a bearing. The top end of the fixed shaft 33 is fixedly connected with the bottom of the adjusting block 32. The two fixed shells 21 are fixedly connected with a top plate 34 used in conjunction with the sealing plate 31 on the side away from each other. A fixing groove 35 is provided on the opposite side of the two sealing plates 31, and an electric push rod 36 is fixedly connected to the inner wall of the fixing groove 35. A sealing block 37 is fixedly connected to the output end of the electric push rod 36. The side of the sealing block 37 away from the electric push rod 36 penetrates the fixing groove 35 and extends to the outside thereof. A clamping block 38 is fixedly connected to the sealing block 37 on the left side, and a clamping groove 39 matched with the clamping block 38 is provided on the side of the sealing block 37 on the right side close to the clamping block 38. The side of the clamping block 38 close to the clamping groove 39 penetrates the clamping groove 39 and extends to the inside thereof to contact with the inner wall of the clamping groove 39.
[0029] Through the mutual cooperation of the fixed shell 21, the test bench 22, the servo motor 23, the threaded rod 24, the threaded block 25, the moving block 26, the sealing plate 31, the adjusting block 32, the fixed shaft 33, the top plate 34, the fixed groove 35, the electric push rod 36, the sealing block 37, the clamping block 38 and the clamping groove 39, it is convenient to protect and seal the test structure when not in use, so as to avoid the test structure being always exposed to the outside world when not in use, thereby avoiding affecting its service life and improving practicality.
[0030] The test mechanism 4 is arranged on the test bench 22, and the test mechanism 4 includes a high-voltage resonant inductor 41. The high-voltage resonant inductor 41 is installed on the left side of the top of the test bench 22, and a withstand voltage test detection interface 42 is fixedly connected to the right side of the top of the test bench 22. A capacitive voltage divider 43 is fixedly connected to the top of the test bench 22 and on the right side of the high-voltage resonant inductor 41, and a variable frequency power supply 44 and an excitation transformer 45 are fixedly connected to the bottom of the test bench 22 from left to right.
[0031] Specifically, the comparative cases of the voltage withstand test process have been publicly explained, so I will not elaborate on it here.
[0032] Through the cooperation of the high-voltage resonant reactor 41, the withstand voltage test detection interface 42, the capacitive voltage divider 43, the variable frequency power supply 44 and the excitation transformer 45, the withstand voltage test of the ultra-high voltage and large-capacity series resonance is realized.
[0033] When in use, the electric push rod 36 is started, and the electric push rod 36 drives the sealing block 37 to move, so that the two sealing blocks 37 move away from each other, so that the card block 38 and the card slot 39 are separated, and then the sealing plate 31 is rotated, and the sealing plate 31 is rotated 180 degrees around the fixed axis 33 through the adjustment block 32, so that the sealing plate 31 moves to the top of the top plate 34. At this time, the top of the protective shell 11 is in an open state, and then the servo motor 23 is started, and the servo motor 23 drives the threaded rod 24 to rotate through the output shaft, and the threaded rod 24 drives the threaded block 25 to move upward. The threaded block 25 drives the test bench 22 to move upward through the moving block 26 and the connecting block 27. The test bench 22 drives the high-voltage resonant inductor 41, the withstand voltage test detection interface 42 and the capacitive voltage divider 43 to move to the outside of the protective shell 11, and then the withstand voltage test can be carried out.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A UHV large capacity series resonance withstand voltage test vehicle, characterized in that: include: Mobile vehicle (1); A protective shell (11), wherein the protective shell (11) is installed on the top of the mobile vehicle (1); A driving mobile mechanism (2), the driving mobile mechanism (2) being arranged on a protective shell (11), the driving mobile mechanism (2) comprising a fixed shell (21), the number of the fixed shells (21) being two and being respectively arranged on the left and right sides of the top of the mobile vehicle (1), and a test bench (22) being arranged inside the protective shell (11); A sealing connection mechanism (3), the sealing connection mechanism (3) being arranged on the protective shell (11), the sealing connection mechanism (3) comprising sealing plates (31), the number of the sealing plates (31) being two and being arranged respectively on the top of the protective shell (11); A test mechanism (4), the test mechanism (4) is arranged on a test bench (22), the test mechanism (4) comprises a high-voltage resonant reactor (41), and the high-voltage resonant reactor (41) is installed on the left side of the top of the test bench (22).
2. The UHV large capacity series resonance withstand voltage test vehicle according to claim 1, characterized in that: A servo motor (23) is installed at the bottom of the inner wall of the fixed shell (21), a threaded rod (24) is installed at the top end of the output shaft of the servo motor (23), a threaded block (25) is threadedly connected to the surface of the threaded rod (24), a moving block (26) is installed at the top of the threaded block (25), and a side of the moving block (26) close to the test bench (22) is fixedly connected to the test bench (22) through a connecting block (27).
3. The UHV large capacity series resonance withstand voltage test vehicle according to claim 2, characterized in that: An adjusting block (32) is installed on the top of the sealing plate (31); a fixing shaft (33) is movably connected to the groove on the top of the fixing shell (21) via a bearing; the top end of the fixing shaft (33) is fixedly connected to the bottom of the adjusting block (32); and a top plate (34) used in conjunction with the sealing plate (31) is installed on the sides of the two fixing shells (21) that are away from each other.
4. The UHV large capacity series resonance withstand voltage test vehicle according to claim 3, characterized in that: A fixing groove (35) is provided on one side opposite to the two sealing plates (31), an electric push rod (36) is installed on the inner wall of the fixing groove (35), a sealing block (37) is installed on the output end of the electric push rod (36), and the side of the sealing block (37) away from the electric push rod (36) passes through the fixing groove (35) and extends to the outside thereof.
5. The UHV large capacity series resonance withstand voltage test vehicle according to claim 4, characterized in that: A clamping block (38) is installed on the sealing block (37) on the left side, and a clamping groove (39) matched with the clamping block (38) is provided on a side of the sealing block (37) on the right side close to the clamping block (38), and a side of the clamping block (38) close to the clamping groove (39) penetrates the clamping groove (39) and extends to the inside thereof to contact the inner wall of the clamping groove (39).
6. The UHV large capacity series resonance withstand voltage test vehicle according to claim 1, characterized in that: A withstand voltage test detection interface (42) is installed on the right side of the top of the test bench (22), a capacitive voltage divider (43) is installed on the top of the test bench (22) and on the right side of the high-voltage resonant reactor (41), and a variable frequency power supply (44) and an excitation transformer (45) are installed from left to right at the bottom of the test bench (22).
Citation Information
Patent Citations
Extra-high voltage high-capacity series resonance withstand voltage test vehicle
CN209014684U