CN115754616A - Power equipment insulation performance diagnosis and detection system and diagnosis and detection method - Google Patents
Power equipment insulation performance diagnosis and detection system and diagnosis and detection method Download PDFInfo
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- CN115754616A CN115754616A CN202211154442.2A CN202211154442A CN115754616A CN 115754616 A CN115754616 A CN 115754616A CN 202211154442 A CN202211154442 A CN 202211154442A CN 115754616 A CN115754616 A CN 115754616A
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Abstract
The invention discloses a system and a method for diagnosing and detecting the insulation performance of electrical equipment. The booster testing device comprises a control box and a booster which are positioned on the upper surface of a base, wherein an operation panel is arranged on the control box, and an output interface which is used for connecting and controlling the booster to perform a test is arranged on the upper surface of the control box; the back of base is provided with the docking mechanism that is used for control box and booster to carry out the connection, docking mechanism is including cable two and the cable one that is used for connection control box and booster, the equal fixed connection in both ends of cable two and cable one is used for the connector one of connecting, the installation piece that two symmetries of control box back fixedly connected with set up, the logical groove that carries out the block to the connector one of cable two tip is seted up on the surface of installation piece, the spacing sliding connection in lower surface of mounting bracket has the installation piece that push cable one and cable two carry out the butt joint. The invention has the advantages of automatic connection and simple operation, and solves the problems in the background technology.
Description
Technical Field
The invention relates to the technical field of insulation performance detection, in particular to a power equipment insulation performance diagnosis and detection system and a diagnosis and detection method.
Background
The high voltage withstand voltage test of electrical equipment is one of the most important items stipulated in "insulation preventive test". The VLF0.1Hz ultralow frequency technology is the latest technology and is recommended by the current international electrotechnical commission. The device is particularly suitable for voltage withstanding tests of electrical equipment with large equivalent insulation capacitance, such as power cables, power capacitors, large and medium generators, motors and the like.
Need in actual operation process with the booster, wait to detect electrical equipment body and control box and carry out ground connection processing one by one, the output that needs the booster simultaneously and the detection of waiting to detect electrical equipment are established ties mutually, and current booster, the control box is mostly separately to be placed, very inconvenient when carrying out ground connection and detecting to establish ties mutually in proper order, it is very loaded down with trivial details to connect, lead to the circuit to connect the mistake easily, therefore we have proposed a convenient insulating properties diagnosis detecting system for the simple wiring.
Disclosure of Invention
The invention aims to provide a power equipment insulation performance diagnosis and detection system and a diagnosis and detection method, which have the advantages of automatic connection and simple operation and solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the system comprises a control box and a booster which are positioned on the upper surface of a base, wherein an operation panel is arranged on the control box, and an output interface for connecting and controlling the booster to perform a test is arranged on the upper surface of the control box; the back of base is provided with the docking mechanism that is used for control box and booster to carry out the connection, docking mechanism is including cable two and the cable one that is used for connection control box and booster, the equal fixed connection in both ends of cable two and cable one is used for the connector one of connecting, the installation piece that two symmetries of control box back fixedly connected with set up, the logical groove that carries out the block to the connector one of cable two tip is seted up on the surface of installation piece, two the common fixedly connected with mounting bracket of upper surface of installation piece, the spacing sliding connection of lower surface of mounting bracket has the installation piece that push cable one carries out the butt joint with cable two, the fixed surface of installation piece is connected with and carries out the stopper fixed to the connector one of cable tip.
Preferably, a storage window for storing a connecting piece is formed in one side of the front face of the control box, a first connecting column electrically connected with the grounding end of the control box is arranged on the back face of the control box close to the booster, a second connecting column electrically connected with the grounding point of the booster is arranged right below the first connecting column, a first gear is rotationally connected to the surface of the control box in a fixed-axis manner, a fan-shaped sheet for pushing the connecting column to move towards the second connecting column is coaxially and fixedly connected to the surface of the first gear, an electric push rod is fixed to the surface of the base, and a rack meshed with the first gear is fixedly connected to the telescopic end of the electric push rod.
Preferably, the coaxial rotation in surface of fan-shaped piece is connected with the dwang, the fixed surface that the fan-shaped piece was kept away from to the dwang is connected with the promotion post that promotes the installation piece, the confession is seted up on the surface of installation piece and is promoted the post and run through and spacing gliding movable groove.
Preferably, one side fixed mounting that the upper surface of base is close to the booster has the supplementary condenser that tests, sense terminal fixedly connected with on the condenser is used for detecting cable three of connecting, cable three one end fixedly connected with of keeping away from the condenser runs through the connector two that the groove was led to on installation piece surface, the fixed surface of installation piece has the connector three that corresponds with connector two, the other end fixedly connected with of connector three carries out the detector that detects to the condenser state.
Preferably, the surface of the control box is fixedly connected with a limiting sheet for a first connecting column to penetrate through and axially limit and slide, the top end of the first connecting column is fixedly connected with a pressing head in contact with the surface of the fan-shaped sheet, and a first spring convenient for automatic reset is sleeved on the outer contour of the first connecting column between the limiting sheet and the pressing head.
Preferably, the spout that supplies the spacing sliding connection of installation piece is seted up to the lower surface of mounting bracket, the dwang surface rotation is connected with the telescopic link, control box fixed surface is connected with the dead lever, the dead lever runs through and rotates and is connected with and supplies the telescopic link to run through and insert and sliding connection's sleeve, the cover is equipped with spring two that supplies the dwang to deflect fast on the outline that the telescopic link is located the sleeve, the telescopic link is located the separation blade that bottom fixedly connected with and spring two offset in the sleeve, fan-shaped piece fixed surface is connected with the reference column that promotes the dwang and deflect two symmetries and set up.
A diagnosis and detection method of an electric power equipment insulation performance diagnosis and detection system comprises the following operation steps:
s1: in the first preparation stage, the grounding end of the control box is connected with the first spring through a grounding wire in advance, a proper booster is used according to needs, whether a capacitor is used or not is selected according to actual conditions, and when the capacitor is used, the grounding end of the booster and the grounding end of the capacitor are connected with the second connecting column through wires;
s2: in the preparation stage II, all external circuits of the equipment to be detected are disconnected, when the capacitor is required to be used, the high-voltage output end of the booster is connected with the capacitor through a cable, the output end of the capacitor is connected with the single phase to be detected of the power equipment, and other phases of the power equipment and the equipment shell are connected with the grounding lead;
s3: in the first operation stage, the telescopic end of the electric push rod is controlled to move through an operation panel on the control box, the telescopic end of the electric push rod moves and pushes the first gear to rotate, the first gear rotates and a fan-shaped sheet fixedly connected with the first gear in a coaxial mode rotates and deflects, the fan-shaped sheet pushes the first spring to overcome the elastic force of the first spring to be in contact with the second connecting column, and at the moment, the booster, the capacitor and the grounding end of the control box are all grounded;
s4: and in the second operation stage, after the grounding is completed, along with the continuous rotation of the fan-shaped sheet, the positioning column on the fan-shaped sheet is contacted with the rotating rod and pushes the rotating rod to deflect, so that the pushing installation block of the rotating rod is moved, the connector at one end part of the cable is connected with the connector of the second cable through the movement of the installation block, the automatic connection of the control output end is realized, and the booster is conveniently controlled and operated subsequently through the operation panel.
S5: in the testing stage, testing frequency, time, voltage, an over-current protection value and an over-voltage protection value of a high-voltage side are set through an operation panel, then a boosting test is started, a high-voltage loop is closely monitored in the boosting process, whether abnormal sound exists or not is monitored, when the voltage is boosted to the testing voltage, testing time is automatically recorded through a control box, the testing voltage value is displayed, and whether abnormal sound, smell, smoke, unstable data display and other phenomena exist in the equipment or not is observed, so that the qualified insulation performance of the equipment is judged.
The operation when the capacitor is not used in S4 is as follows;
the external lines of the equipment to be detected are completely disconnected, the booster is directly connected with the equipment to be detected through a cable, the high-voltage output end of the booster is connected with the phase to be detected of the power equipment, other phases of the power equipment and the equipment shell are connected with the grounding lead, and the same operation is continuously carried out.
Compared with the prior art, the invention has the following beneficial effects:
1. the installation block moves rapidly, and after automatic grounding is completed, the connector at one end of the cable on the installation block is automatically and rapidly connected with the connector of the cable II;
2. according to the invention, the first gear rotates and the fan-shaped sheet which is coaxially and fixedly connected with the gear rotates and deflects, the fan-shaped sheet pushes the first spring to overcome the elastic force of the first spring to contact with the second connecting column, and at the moment, the booster, the capacitor and the grounding end of the control box are grounded;
3. the end part of the connector III on the mounting block is connected with the connector II, so that the capacitor capacity and other states can be conveniently detected through the detector, the detection is convenient before use, the occurrence of faults is reduced, and the automatic detection is realized before use;
drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic front view of the structure of FIG. 2 according to the present invention;
FIG. 4 is a perspective view of a fan-shaped piece according to the present invention;
FIG. 5 is a schematic perspective view of the docking mechanism of the present invention;
FIG. 6 is a schematic structural diagram of the mechanism of the present invention in a side view;
FIG. 7 is a schematic front view of the docking mechanism of the present invention;
fig. 8 is a schematic cross-sectional view of the sleeve of the present invention.
In the figure: 1. a base; 2. a control box; 3. an operation panel; 4. a voltage booster; 5. a capacitor; 6. mounting a sheet; 7. a mounting frame; 8. mounting blocks; 9. a first cable; 10. a second cable; 11. rotating the rod; 12. pushing the column; 13. a movable groove; 14. a limiting block; 15. an output interface; 16. a first gear; 17. a rack; 18. an electric push rod; 19. a fan-shaped sheet; 20. connecting a column I; 21. a first spring; 22. connecting a second column; 23. fixing the rod; 24. a positioning column; 25. a third cable; 26. a second connector; 27. a sleeve; 28. a telescopic rod; 29. a detector; 30. a second spring; 31. a third connector; 32. a limiting sheet; 33. a baffle plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 8, the present invention provides a technical solution: a power equipment insulation performance diagnosis and detection system comprises a control box 2 and a booster 4 which are positioned on the upper surface of a base 1, wherein an operation panel 3 is arranged on the control box 2, and an output interface 15 for connecting and controlling the booster 4 to perform a test is arranged on the upper surface of the control box 2;
the back of base 1 is provided with the docking mechanism that is used for control box 2 and booster 4 to connect, docking mechanism is including two 10 of cables and the first 9 of cable that are used for connection control box 2 and booster 4, the equal fixed connection in both ends of two 10 of cables and the first 9 of cable is used for the connector of connecting, the installation piece 6 that two symmetries of control box 2 back fixedly connected with set up, the logical groove of carrying out the block to the connector of two 10 tip of cables is seted up on the surface of installation piece 6, the common fixedly connected with mounting bracket 7 of upper surface of two installation pieces 6, the spacing sliding connection of lower surface of mounting bracket 7 has the installation piece 8 that push cable one 9 and cable two 10 carry out the butt joint, the fixed surface of installation piece 8 is connected with carries out the stopper 14 fixed to the connector of one 9 tip of cables.
When the mounting block 8 slides in a limiting manner on the lower surface of the mounting frame 7, the connector at one end of the first cable 9 is connected with the connector at one end of the second cable 10 through the limiting block 14 on the mounting block 8, at the moment, the output interface 15 of the control box 2 is electrically connected with the booster 4 through the first cable 9 and the second cable 10, the booster 4 can be operated and controlled directly through the operation panel 3 on the control box 2, and the ultra-low frequency alternating current withstand voltage test for insulation detection of the power equipment is carried out through the control box 2 and the booster 4.
Referring to fig. 1, 2 and 3, a storage window for storing a connecting piece is formed in one side of the front face of the control box 2, a first connecting column 20 electrically connected with the grounding end of the control box 2 is arranged on the back face of the control box 2 close to the booster 4, a second connecting column 22 electrically connected with the grounding end of the booster 4 is arranged right below the first connecting column 20, a first gear 16 is rotatably connected to the surface of the control box 2 in a fixed-axis manner, a sector 19 for pushing the first connecting column 20 to move towards the second connecting column 22 is coaxially and fixedly connected to the surface of the first gear 16, an electric push rod 18 is fixed to the surface of the base 1, and a rack 17 meshed with the first gear 16 is fixedly connected to the telescopic end of the electric push rod 18.
The grounding end of the control box 2 is connected with the first spring 21 through a grounding lead in advance, the appropriate booster 4 is used according to needs, whether the capacitor 5 is used or not is selected according to actual conditions, when the capacitor 5 is used, the grounding end of the booster 4 and the grounding end of the capacitor 5 are connected with the second connecting column 22 through leads, the first gear 16 is moved and pushed to rotate through the telescopic end of the electric push rod 18, the first gear 16 rotates and the fan-shaped piece 19 coaxially and fixedly connected with the first gear 16 rotates and deflects, the fan-shaped piece 19 pushes the first spring 21 to overcome the elastic force of the first spring 21 to be in contact with the second connecting column 22, and at the moment, the grounding ends of the booster 4, the capacitor 5 and the control box 2 are grounded one by one, compared with the prior art, the control box 2, the booster 4 and the capacitor 5 need to be grounded one by one when in detection, and the operation is simple.
Example two
On the basis of the first embodiment, further:
referring to fig. 3 and 4, the surface of the sector 19 is coaxially and rotatably connected with a rotating rod 11, the surface of the rotating rod 11 away from the sector 19 is fixedly connected with a pushing column 12 for pushing the mounting block 8, and the surface of the mounting block 8 is provided with a movable groove 13 for the pushing column 12 to penetrate through and limit sliding.
When the rotating lever 11 is swung, the pushing post 12 fixedly connected to the surface of the rotating lever 11 slides in the movable groove 13 and can push the mounting block 8 to move on the lower surface of the mounting block 7, completing the connection between the output port 15 and the booster 4.
Referring to fig. 2, 3 and 5, a capacitor 5 for assisting in testing is fixedly mounted on one side of the upper surface of the base 1 close to the booster 4, a third cable 25 for detecting connection is fixedly connected to a detection end of the capacitor 5, a second connector 26 penetrating through a through groove in the surface of the mounting plate 6 is fixedly connected to one end of the third cable 25 away from the capacitor 5, a third connector 31 corresponding to the second connector 26 is fixed to the surface of the mounting block 8, and a detector 29 for detecting the state of the capacitor 5 is fixedly connected to the other end of the third connector 31.
Wherein connector one, connector two 26, and connector three 31 are all full shielded plug, reduce the influence to equipment, the connector of a 9 tip of cable and when the installation piece 8 is in when just establishing the state, the tip and the connector two 26 of connector three 31 on the installation piece 8 are connected, are convenient for detect through states such as the capacity of detector 29 to condenser 5 this moment, detect before convenient to use, reduce the emergence of trouble, realize carrying out automatic detection before the use, detector 29 is for the universal meter.
Referring to fig. 5 and 6, a limiting plate 32 for the first connecting rod 20 to penetrate through and axially limit and slide is fixedly connected to the surface of the control box 2, the top end of the first connecting rod 20 is fixedly connected to the pressing head in surface contact with the fan-shaped plate 19, and a first spring 21 for facilitating automatic return is sleeved on the outer contour of the first connecting rod 20 between the limiting plate 32 and the pressing head.
Through the top fixed connection of spliced pole one 20 and the press head of 19 surface contact of fan-shaped piece, when fan-shaped piece 19 rotated to one side that is close to spliced pole one 20, can make spliced pole one 20 and spliced pole two 22 contact, accomplished the ground connection automatically, realized the autosegregation when far away from the ground simultaneously through setting up spring one 21, it is complicated to solve prior art connection operation one by one, has the advantage of the separation of being convenient for simultaneously.
EXAMPLE III
On the basis of the second embodiment, the following steps are further performed:
please refer to fig. 6, fig. 7 and fig. 8, the lower surface of the mounting bracket 7 is provided with a chute for the spacing sliding connection of the mounting block 8, the surface of the rotating rod 11 is rotatably connected with the telescopic rod 28, the surface of the control box 2 is fixedly connected with the fixing rod 23, the fixing rod 23 is penetrated and rotatably connected with the sleeve 27 for the telescopic rod 28 to penetrate and insert and slidably connect, the telescopic rod 28 is positioned on the outer contour of the sleeve 27 and is sleeved with the second spring 30 for the rotating rod 11 to deflect rapidly, the telescopic rod 28 is positioned on the blocking piece 33 abutted to the second spring 30 of the bottom fixedly connected with in the sleeve 27, and the surface of the fan-shaped piece 19 is fixedly connected with the positioning column 24 for pushing the rotating rod 11 to deflect two symmetrical settings.
The rack 17 is driven by the electric push rod 18 to move, the first gear 16 meshed with the rack 17 can rotate and is fixed on the surface of the first gear 16 through the fan-shaped piece 19, the first gear 16 deflects along with the rotation of the fan-shaped piece 19, when the telescopic end of the electric push rod 18 drives the rack 17, the sleeve 27, the telescopic rod 28 and the rotating rod 11 are in the same vertical direction, the second spring 30 is in a stretching state at the moment, the positioning column 24 on the fan-shaped piece 19 is in contact with the rotating rod 11 to push the rotating rod 11 to swing along with the continuous rotation of the fan-shaped piece 19, the stretching state of the second spring 30 is broken, under the action of the second spring 30, the pushing column 12 on the rotating rod 11 moves in the movable groove 13 and pushes the mounting block 8 to move rapidly, and after the automatic grounding is completed, the first cable 9 end on the mounting block 8 can be automatically and rapidly connected with the connecting head of the second cable 10.
A diagnosis and detection method of a power equipment insulation performance diagnosis and detection system comprises the following operation steps:
s1: in the first preparation stage, the grounding end of the control box 2 is connected with the first spring 21 through a grounding wire in advance, an appropriate booster 4 is used according to needs, whether the capacitor 5 is used or not is selected according to actual conditions, and when the capacitor 5 is used, the grounding end of the booster 4 and the grounding end of the capacitor 5 are connected with the second connecting column 22 through wires;
s2: in the preparation stage II, all external lines of the equipment to be detected are disconnected, when the capacitor 5 is needed, the high-voltage output end of the booster 4 is connected with the capacitor 5 through a cable, the output end of the capacitor 5 is connected with the single phase to be detected of the power equipment, and other phases of the power equipment and the equipment shell are connected with the grounding lead;
s3: in the first operation stage, the telescopic end of the electric push rod 18 is controlled to move through the operation panel 3 on the control box 2, the telescopic end of the electric push rod 18 moves and pushes the first gear 16 to rotate, the first gear 16 rotates and the fan-shaped piece 19 coaxially and fixedly connected with the first gear 16 rotates and deflects, the fan-shaped piece 19 pushes the first spring 21 to overcome the elastic force of the first spring 21 to contact the second connecting column 22, and at the moment, the booster 4, the capacitor 5 and the ground end of the control box 2 are all grounded;
s4: in the second operation stage, after the grounding is completed, along with the continuous rotation of the fan-shaped piece 19, the positioning column 24 on the fan-shaped piece 19 is in contact with the rotating rod 11 and pushes the rotating rod 11 to deflect, so that the pushing installation block 8 of the rotating rod 11 moves, and the installation block 8 moves to enable the connector at the end of the first cable 9 to be connected with the connector of the second cable 10, so that the automatic connection of the control output end is realized, and the booster 4 is conveniently controlled and operated subsequently through the operation panel 3.
S5: in the testing stage, the testing frequency, time and voltage, and the overcurrent protection value and the overvoltage protection value of the high-voltage side are set through the operation panel 3, then a boosting test is started, the boosting process should closely monitor the high-voltage loop, whether abnormal sound exists is monitored, when the voltage is boosted to the testing voltage, the testing time is automatically recorded through the control box 2, the testing voltage value is displayed, and the insulation performance of the equipment is judged to be qualified by observing whether the equipment has the phenomena of abnormal sound, smell, smoke, unstable data display and the like.
The operation when the capacitor 5 is not used in S4 of (1) is as follows;
the external lines of the equipment to be detected are all disconnected, the booster 4 is directly connected with the equipment to be detected through a cable, the high-voltage output end of the booster 4 is connected with the phase to be detected of the power equipment, other phases of the power equipment and the equipment shell are connected with the grounding lead, and the same operation is continuously carried out.
The working principle is as follows: when the system and the method are used, the grounding end of the control box 2 is connected with the first spring 21 through a grounding lead in advance, the appropriate booster 4 is used according to needs, whether the capacitor 5 is used or not is selected according to actual conditions, when the capacitor 5 is used, the grounding end of the booster 4 and the grounding end of the capacitor 5 are connected with the second connecting column 22 through leads,
when the docking mechanism is in the initial state, the end of the third connecting head 31 on the mounting block 8 is connected with the second connecting head 26, so that the state of the capacitor 5, such as the capacity, can be detected conveniently through the detector 29, detection before use is convenient, automatic detection before use is realized, and the occurrence of faults is reduced.
The external lines of the equipment to be detected are all disconnected, when the capacitor 5 needs to be used, the high-voltage output end of the booster 4 is connected with the capacitor 5 through a cable, the output end of the capacitor 5 is connected with the single phase to be detected of the power equipment, and other phases of the power equipment and the equipment shell are connected with the grounding lead.
The rack 17 is driven by the electric push rod 18 to move, the first gear 16 meshed with the rack 17 can rotate and is fixed on the surface of the first gear 16 through the fan-shaped piece 19, the first gear 16 deflects along with the rotation of the fan-shaped piece 19, when the telescopic end of the electric push rod 18 drives the rack 17, the sleeve 27, the telescopic rod 28 and the rotating rod 11 are in the same vertical direction, the second spring 30 is in a stretching state at the moment, the positioning column 24 on the fan-shaped piece 19 is in contact with the rotating rod 11 to push the rotating rod 11 to swing along with the continuous rotation of the fan-shaped piece 19, the stretching state of the second spring 30 is broken, under the action of the second spring 30, the pushing column 12 on the rotating rod 11 moves in the movable groove 13 and pushes the mounting block 8 to move rapidly, and after the automatic grounding is completed, the first cable 9 end on the mounting block 8 can be automatically and rapidly connected with the connecting head of the second cable 10.
The test frequency, time and voltage as well as the over-current protection value and the over-voltage protection value of the high-voltage side are set through the operation panel 3, then the boosting test is started, and the boosting process needs to closely monitor the high-voltage loop and monitor whether abnormal sound exists or not. When the voltage rises to the test voltage, the base 1 starts to automatically record the test time and display the test voltage value, and the insulation performance of the equipment is judged to be qualified by observing whether the equipment has abnormal sounds, smells, smoke, unstable data display and the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An electrical equipment insulation performance diagnosis detection system comprising a control box (2) and a booster (4) on an upper surface of a base (1), characterized in that: the booster is characterized in that an operation panel (3) is arranged on the control box (2), an output interface (15) used for connecting and controlling the booster (4) to perform a test is arranged on the upper surface of the control box (2), and a butt joint mechanism used for connecting the control box (2) and the booster (4) is arranged on the back of the base (1).
2. The electrical equipment insulation performance diagnosis and detection system according to claim 1, characterized in that: the butt joint mechanism comprises a second cable (10) and a first cable (9) which are used for connecting the control box (2) and the booster (4), and two ends of the second cable (10) and two ends of the first cable (9) are fixedly connected with a first connecting head used for connection.
3. The electrical equipment insulation performance diagnostic detection system according to claim 2, characterized in that: installation piece (6) that two symmetries of control box (2) back fixedly connected with set up, the logical groove that carries out the block to the connector of two (10) tip of cable is seted up on the surface of installation piece (6), two the common fixedly connected with mounting bracket (7) of upper surface of installation piece (6), the spacing sliding connection in lower surface of mounting bracket (7) has installation piece (8) that promote cable (9) and two (10) and carry out the butt joint, the fixed surface of installation piece (8) is connected with and carries out stopper (14) fixed to the connector of cable (9) tip.
4. The electrical equipment insulation performance diagnostic detection system of claim 3, characterized in that: a storage window used for storing a connecting piece is formed in one side of the front face of the control box (2), a first connecting column (20) electrically connected with the grounding end of the control box (2) is arranged on the back face of the control box (2) close to the booster (4), a second connecting column (22) electrically connected with the grounding end of the booster (4) is arranged under the first connecting column (20), a first gear (16) is rotationally connected to the surface of the control box (2) in a fixed-axis mode, a fan-shaped sheet (19) used for pushing the first connecting column (20) to move to the second connecting column (22) is coaxially and fixedly connected to the surface of the first gear (16), an electric push rod (18) is fixed to the surface of the base (1), and a rack (17) meshed with the first gear (16) is fixedly connected to the telescopic end of the electric push rod (18); the surface of the fan-shaped piece (19) is coaxially and rotatably connected with a rotating rod (11), the surface, far away from the fan-shaped piece (19), of the rotating rod (11) is fixedly connected with a pushing column (12) for pushing the installation block (8), and the surface of the installation block (8) is provided with a movable groove (13) through which the pushing column (12) penetrates and can slide in a limiting manner;
a capacitor (5) for assisting in testing is fixedly mounted on one side, close to the booster (4), of the upper surface of the base (1), a third cable (25) for detecting connection is fixedly connected to a detection end of the capacitor (5), a second connector (26) penetrating through a through groove in the surface of the mounting plate (6) is fixedly connected to one end, far away from the capacitor (5), of the third cable (25), a third connector (31) corresponding to the second connector (26) is fixed to the surface of the mounting block (8), and a detector (29) for detecting the state of the capacitor (5) is fixedly connected to the other end of the third connector (31);
the surface of the control box (2) is fixedly connected with a limiting sheet (32) which is used for a first connecting column (20) to penetrate through and axially limit and slide, the top end of the first connecting column (20) is fixedly connected with a pressing head which is in surface contact with the fan-shaped sheet (19), and a first spring (21) which is convenient for automatic reset is sleeved on the outer contour of the first connecting column (20) between the limiting sheet (32) and the pressing head.
5. The electrical equipment insulation performance diagnosis and detection system according to claim 4, characterized in that: the lower surface of mounting bracket (7) is seted up and is supplied spacing sliding connection's of installation piece (8) spout, dwang (11) surface is rotated and is connected with telescopic link (28), control box (2) fixed surface is connected with dead lever (23), dead lever (23) run through and the swivelling joint have and supply telescopic link (28) to run through and insert and sliding connection's sleeve (27).
6. The electrical equipment insulation performance diagnostic detection system of claim 5, wherein: the telescopic link (28) is located the outer profile in sleeve (27) and is equipped with spring two (30) that supply dwang (11) to deflect fast, bottom fixedly connected with that telescopic link (28) are located sleeve (27) and separation blade (33) that spring two (30) offset.
7. The electrical equipment insulation performance diagnosis detection system according to claim 6, characterized in that: the surface of the fan-shaped piece (19) is fixedly connected with two symmetrically arranged positioning columns (24) which push the rotating rod (11) to deflect.
8. A diagnostic detection method of a power equipment insulation performance diagnostic detection system according to claim 7, characterized in that: the method comprises the following operation steps:
s1: in the first preparation stage, the grounding end of the control box (2) is connected with the first spring (21) through a grounding wire in advance, a proper booster (4) is used according to needs, whether the capacitor (5) is used or not is selected according to actual conditions, and when the capacitor (5) is used, the grounding end of the booster (4) and the grounding end of the capacitor (5) are connected with the second connecting column (22) through wires;
s2: in the preparation stage II, all external circuits of the equipment to be detected are disconnected, when the capacitor (5) is required to be used, the high-voltage output end of the booster (4) is connected with the capacitor (5) through a cable, the output end of the capacitor (5) is connected with the single phase to be detected of the power equipment, and other phases of the power equipment and the equipment shell are connected with the grounding lead;
s3: in the first operation stage, the telescopic end of the electric push rod (18) is controlled to move through an operation panel (3) on the control box (2), the telescopic end of the electric push rod (18) moves and pushes a first gear (16) to rotate, a first gear (16) rotates and a fan-shaped sheet (19) coaxially and fixedly connected with the first gear (16) rotates and deflects, the fan-shaped sheet (19) pushes a first spring (21) to overcome the elastic force of the first spring (21) to contact a second connecting column (22), and the ground ends of the booster (4), the capacitor (5) and the control box (2) are all grounded;
s4: in the second operation stage, after the grounding is finished, along with the continuous rotation of the fan-shaped piece (19), the positioning column (24) on the fan-shaped piece (19) is in contact with the rotating rod (11) and pushes the rotating rod (11) to deflect, so that the pushing installation block (8) of the rotating rod (11) moves, and the installation block (8) moves to connect the connector at the end part of the first cable (9) with the connector of the second cable (10), so that the automatic connection of a control output end is realized, and the control operation of the booster (4) through the operation panel (3) is facilitated;
s5: in the testing stage, the testing frequency, time, voltage, an over-current protection value and an over-voltage protection value of a high-voltage side are set through the operation panel (3), then a boosting test is started, the boosting process should closely monitor a high-voltage loop, whether abnormal sound exists is monitored, when the voltage is boosted to the testing voltage, the testing time is automatically recorded through the control box (2), the testing voltage value is displayed, and whether abnormal sound exists or not, smell, smoke and data display instability and other phenomena exist through observation equipment, so that the insulation performance of the equipment is judged to be qualified.
9. The electrical equipment insulation performance diagnosis detection method according to claim 8, characterized in that: the operation when the capacitor (5) is not used in S4 is as follows;
the external lines of the equipment to be detected are completely disconnected, the booster (4) is directly connected with the equipment to be detected through a cable, the high-voltage output end of the booster (4) is connected with the phase to be detected of the power equipment, other phases of the power equipment and the equipment shell are connected with the grounding lead, and the same operation is continuously carried out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211154442.2A CN115754616A (en) | 2022-09-22 | 2022-09-22 | Power equipment insulation performance diagnosis and detection system and diagnosis and detection method |
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| CN202211154442.2A CN115754616A (en) | 2022-09-22 | 2022-09-22 | Power equipment insulation performance diagnosis and detection system and diagnosis and detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116754882A (en) * | 2023-08-21 | 2023-09-15 | 国网天津市电力公司高压分公司 | Capacitor and transformer boosting performance detection device |
| CN117148026A (en) * | 2023-10-31 | 2023-12-01 | 国网天津市电力公司经济技术研究院 | Detection device and method for electric automatic power supply system |
-
2022
- 2022-09-22 CN CN202211154442.2A patent/CN115754616A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116754882A (en) * | 2023-08-21 | 2023-09-15 | 国网天津市电力公司高压分公司 | Capacitor and transformer boosting performance detection device |
| CN116754882B (en) * | 2023-08-21 | 2023-10-27 | 国网天津市电力公司高压分公司 | Capacitor and transformer boosting performance detection device |
| CN117148026A (en) * | 2023-10-31 | 2023-12-01 | 国网天津市电力公司经济技术研究院 | Detection device and method for electric automatic power supply system |
| CN117148026B (en) * | 2023-10-31 | 2024-03-12 | 国网天津市电力公司经济技术研究院 | Detection device and method for electric automatic power supply system |
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