High-load low-voltage transformer area line loss detection device
By designing the lifting mechanism, ventilation agency, and cable collection mechanism in the line -up detection device in the Taiwan area, the problem of poor cable knot and heat dissipation effects has been solved, and the operation efficiency and the service life of the cable are improved.
Patent Information
- Application Number
- CN202411384667.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-01-24
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The cables of the existing station area line loss detection device are easily knotted and are inconvenient for heat dissipation, resulting in inconvenient use and inefficient efficiency.
A high -load and low -voltage platform line loss detection device including lift mechanisms, ventilation agencies, and cable collection mechanisms is designed. The lifting mechanism realizes the lifting of the detector through the electric push rod to facilitate operation and observation; the ventilation mechanism realizes the effective heat dissipation of the detector through the electric fan and the air supply mechanism; And avoid knotting.
Effectively solve the problem of poor cable knot and heat dissipation effects, and improve the operating efficiency of staff and the life of the cable.
Smart Images
Figure CN119355307A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of power line detection, and in particular relates to a high-load low-voltage area line loss detection device. Background Art
[0002] The line loss in the substation refers to the flow rate of the assessment meter installed on the low-voltage side outlet of the transformer minus the flow rate of all users in the substation during the same period. Under the background of the continuous upward trend of electricity demand and consumption, the electric energy industry is also facing a series of problems such as unbalanced power supply areas, excessive pressure on the transmission system, and high line loss rate. Among them, since the degree of line loss directly affects all aspects of the operation and management of the entire power grid system, it is particularly important. When detecting line loss, the staff will use the detection device to measure the transformer, so as to obtain data to judge the line loss situation. In the prior art, in order to protect the detection instrument, the detection instrument is generally placed in a protective box, but each time it is used, the detection instrument needs to be taken out of the box, and the detection cable is long and the retracted and released remains unchanged. In the prior art, the staff put the cables into a ball and placed them in the box, which is easy to cause the cables to be tangled, which reduces the service life of the cables and reduces the work efficiency of the staff. Therefore, in the prior art, the substation line loss detection device is inconvenient to use, the cables are easy to be tangled and not convenient for heat dissipation. Summary of the invention
[0003] In order to solve the technical problems that cables of existing substation line loss detection devices are easily tangled and not convenient for heat dissipation, the present invention provides a high-load low-voltage substation line loss detection device, including a box body, which plays a protective role. A cover body is provided on the top of the box body for protective function, and a detector body for substation line loss detection is provided in the box body. The box body is provided with a lifting mechanism, which includes a lower support plate fixed to the lower end of the box body, and vertically arranged sliding rods are fixed at the four corners of the top of the lower support plate. A horizontally arranged upper support plate is provided just above the lower support plate, and the upper support plate can be slidably assembled on each sliding rod. A vertically arranged electric push rod is provided between the upper support plate and the lower support plate, and the top of the electric push rod is hinged to the bottom end of the upper support plate, and the bottom end of the electric push rod is hinged to the top end of the lower support plate. The detector body is arranged at the top end of the upper support plate, and the electric push rod is started, and the free end of the electric push rod is extended, and the electric push rod pushes the upper support plate to move vertically upward along the sliding rod. The upper support plate is raised a certain distance, which is convenient for the staff to operate and observe the detector body. After use, the electric push rod is started again, and the electric push rod pulls the upper support plate to move downward along the sliding rod to a certain height, so that the detector body on the upper support plate is moved into the box body. A ventilation mechanism is provided in the box body on the left side of the lifting mechanism, and the ventilation mechanism includes a ventilation chamber with an L-shaped cross-section, the top of the ventilation chamber is open, and the lower end of the ventilation chamber extends to the bottom of the lower support plate, and ventilation holes are provided on the upper support plate and the lower support plate, and an air supply mechanism is provided in the ventilation chamber, and the air supply mechanism includes a support rod fixed to the bottom of the box body, and a horizontally arranged support shaft is rotatably mounted on the support rod, an electric motor is fixed to the left side of the support rod, and an electric fan blade is fixed to the right end of the support rod, and a power output shaft of the motor is transmission-connected with the support shaft, and the motor is started. The motor drives the electric fan blades to rotate through the support shaft and delivers wind to the bottom of the lower support plate, and then the wind passes through the ventilation holes on the lower support plate and the upper support plate respectively to dissipate the heat of the detector body, which can effectively solve the technical problem of poor heat dissipation effect of the detector body during use.
[0004] A cable retracting mechanism is arranged in the box body on the right side of the lifting mechanism, and the cable retracting mechanism includes a first guide wheel, a second guide wheel and a third guide wheel which are installed in the box body at intervals from left to right, the second guide wheel is located above the first guide wheel and the second guide wheel, a guide slide groove is provided on the inner wall of the box body between the first guide wheel and the second guide wheel, and a vertically arranged guide slide groove is also provided on the inner wall of the box body between the second guide wheel and the third guide wheel, and movable pulley groups which can move up and down along the guide slide grooves are arranged in the two guide slide grooves, and the sliding wheel group includes a movable pulley and a pulley shaft, and both ends of the pulley shaft can be slidably installed in the guide slide grooves in the box body, and the movable pulley can be rotatably installed on the pulley shaft through a bearing, and when in use, the guide groove on the detector body is raised The cables coming out are gathered into a flexible cable with insulation protection, and then the cable is passed through the first guide wheel, the movable pulley group between the first guide wheel and the second guide wheel, the second guide wheel, the movable pulley group between the second guide wheel and the third guide wheel, and the third guide wheel from left to right, and then the cable is led out of the box, and the cable end is provided with a detection connector for detecting line loss in the station area. The detection connector is pulled, and the two movable pulley groups move vertically upward along the guide slide groove, and the cables in the box are pulled out of a part of the box, thereby meeting the detection requirements. When the detection is completed, the movable pulley group moves vertically downward along the guide slide groove under the action of gravity, and the cables outside the box are collected into the box, which is convenient for the collection and release of the cables and can avoid the cables from being tangled.
[0005] Preferably, the ventilation chamber is provided with a first filter screen and a second filter screen in sequence from top to bottom, and the first filter screen and the second filter screen are arranged at an interval.
[0006] Preferably, the filter holes of the first filter net are larger than the filter holes of the second filter net.
[0007] Preferably, a sealing gasket is provided inside the box cover for sealing, and a handle is provided at the top of the box cover for facilitating lifting the box cover.
[0008] Preferably, a plurality of baffles are fixed to the top of the upper support plate for facilitating the clamping of the detector body.
[0009] The above solution has the following advantages: The setting of the ventilation mechanism can effectively solve the technical problem of poor heat dissipation of the detector body during use by using the wind generated by the rotation of the fan blades driven by the motor; the setting of the lifting mechanism can start the electric push rod, which pushes the upper support plate to move vertically upward along the sliding rod, and the upper support plate is raised a certain distance, which is convenient for the staff to operate and observe the detector body. After use, the electric push rod is started again, and the electric push rod pulls the upper support plate to move downward along the sliding rod to a certain height, so that the detector body on the upper support plate is moved into the box; the setting of the cable retracting and releasing mechanism facilitates the retracting and releasing of the cables, and can avoid cable tangling, thereby improving work efficiency and increasing the service life of the cables. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 for Figure 1 A magnified view of part A; Figure 3 for Figure 1 Enlarged view of part B.
[0011] Figure numerals: 1. box body; 2. lifting mechanism; 3. detector body; 4. ventilation mechanism; 5. cable retracting mechanism; 6. cable; 7. detection connector; 11. box cover; 12. handle; 21. lower support plate; 22. slide rod; 23. upper support plate; 24. electric push rod; 25. ventilation hole; 31. baffle; 41. ventilation chamber; 42. air supply mechanism; 43. support rod; 44. support shaft; 45. motor; 46. electric fan blade; 47. first filter; 48. second filter; 51. first guide wheel; 52. second guide wheel; 53. third guide wheel; 54. guide slide groove; 55. movable pulley block; 56. movable pulley; 57. pulley shaft. DETAILED DESCRIPTION
[0012] like Figure 1-3As shown, a high-load low-voltage substation line loss detection device includes a box body 1, which plays a protective role. The top of the box body 1 is provided with a cover body 11 which plays a protective role, and a detector body 3 for substation line loss detection is provided in the box body 1. A lifting mechanism 2 is provided in the box body 1, and the lifting mechanism 2 includes a lower support plate 21 fixed to the lower end of the inside of the box body 1, and vertically arranged sliding rods 22 are fixed at the four corners of the top of the lower support plate 21. A horizontally arranged upper support plate 23 is provided directly above the lower support plate 21, and the upper support plate 23 can be slidably assembled on each sliding rod 22. A vertically arranged electric push rod 24 is provided between the upper support plate 23 and the lower support plate 21, and the top end of the electric push rod 24 is hinged to the bottom end of the upper support plate 23, and the bottom end of the electric push rod 24 is hinged to the lower support plate 21, the detector body 3 is set at the top of the upper support plate 23, the electric push rod 24 is started, the free end of the electric push rod 24 is extended, the electric push rod 24 pushes the upper support plate 23 to move vertically upward along the sliding rod 22, and the upper support plate 23 is raised a certain distance, which is convenient for the staff to operate and observe the detector body 3. After use, the electric push rod 24 is started again, and the electric push rod 24 pulls the upper support plate 23 to move downward along the sliding rod 22 to a certain height, so that the detector body 3 on the upper support plate 23 is moved into the box body 1. A ventilation mechanism 4 is provided in the box body 1 on the left side of the lifting mechanism 2, and the ventilation mechanism 4 includes a ventilation chamber 41 with an L-shaped cross-section. The top of the ventilation chamber 41 is open, and the lower end of the ventilation chamber 41 extends to the bottom of the lower support plate 21, and ventilation holes 25 are provided on the upper support plate 23 and the lower support plate 21, and an air supply mechanism 42 is provided in the ventilation chamber 41, and the air supply mechanism 42 includes a support rod 43 fixed to the bottom of the box body 1, and a horizontally arranged support shaft 44 is rotatably mounted on the support rod 43, a motor 45 is fixed to the left side of the support rod 43, and an electric fan blade 46 is fixed to the right end of the support rod 43, and a power output shaft of the motor 45 is transmission-connected with the support shaft 44, and the motor 45 is started. The motor 45 drives the electric fan blade 46 to rotate through the support shaft 44 and delivers wind to the bottom of the lower support plate 21, and then the wind passes through the ventilation holes 25 on the lower support plate 21 and the upper support plate 23 respectively to dissipate the heat of the detector body 3, which can effectively solve the technical problem of poor heat dissipation effect of the detector body 3 during use.
[0013] A cable retracting mechanism 5 is provided in the box body 1 on the right side of the lifting mechanism 2. The cable retracting mechanism 5 includes a first guide wheel 51, a second guide wheel 52 and a third guide wheel 53 which are installed in the box body 1 from left to right. The second guide wheel 52 is located above the first guide wheel 51 and the second guide wheel 52. A guide groove 54 is provided on the inner wall of the box body 1 between the first guide wheel 51 and the second guide wheel 52. A vertical guide groove 54 is also provided on the inner wall of the box body 1 between the second guide wheel 52 and the third guide wheel 53. A movable pulley group 55 which can move up and down along the guide groove 54 is provided in both guide grooves 54. The sliding wheel group 55 includes a movable pulley 56 and a pulley shaft 57. Both ends of the pulley shaft 57 can be slidably installed in the guide groove 54 inside the box body 1. The movable pulley 56 can be rotatably installed on the pulley shaft 57 through a bearing. When in use, the detection The cable 6 led out from the instrument body 3 is gathered into a flexible cable 6 with insulation protection, and then the cable 6 passes through the first guide wheel 51, the movable pulley group 55 between the first guide wheel 51 and the second guide wheel 52, the second guide wheel 52, the movable pulley group 55 between the second guide wheel 52 and the third guide wheel 53, and the third guide wheel 53 from left to right in turn, and then the cable 6 is taken out of the box 1, and the end of the cable 6 is provided with a detection connector 7 for detecting the line loss in the station area. The detection connector 7 is pulled, and the two movable pulley groups 55 move vertically upward along the guide slot 54, and the cable 6 in the box 1 is pulled out of a part of the box 1, so as to meet the detection requirements. When the detection is completed, the movable pulley group 55 moves vertically downward along the guide slot 54 under the action of gravity, and the cable 6 outside the box 1 is put into the box 1, which is convenient for the collection and release of the cable 6 and can prevent the cable 6 from being tangled.
[0014] Preferably, the ventilation chamber 41 is provided with a first filter screen 47 and a second filter screen 48 in sequence from top to bottom, and the first filter screen 47 and the second filter screen 48 are arranged at intervals.
[0015] Preferably, the filter holes of the first filter net 47 are larger than the filter holes of the second filter net 48 .
[0016] Preferably, a sealing gasket is provided inside the box cover 11 for sealing, and a handle 12 is provided at the top of the box cover 11 for easy lifting of the box cover 11 .
[0017] Preferably, a plurality of baffles 31 are fixed to the top of the upper support plate 23 for facilitating the clamping of the detector body 3 .
[0018] Usage process: When the present invention is in use, firstly, the box cover 11 is opened by the handle 12, and then the electric push rod 24 on the lifting mechanism 2 is started, and the electric push rod 24 pushes the upper support plate 23 to move vertically upward along the slide rod 22, and the upper end of the detector body 3 at the top of the upper support plate 33 moves out of the box body 1, and then the detection joint 7 is pulled, and the two movable pulley groups 55 move vertically upward along the guide slide groove 54, and the cable 6 in the box body 1 is pulled out of a part of the box body 1, so as to meet the detection requirements, and at the same time, the motor 45 on the air supply mechanism 42 is started, and the motor 45 drives the electric fan blades 46 to rotate through the support shaft 44 and transmits the wind to the bottom of the lower support plate 21, and the wind passes through the ventilation holes 25 on the lower support plate 21 and the upper support plate 23 respectively to dissipate the heat of the detector body 3; when the detection is completed, the movable pulley group 55 moves vertically downward along the guide slide groove 54 under the action of gravity, and the cable 6 outside the box body 1 is put into the box body 1, which is convenient for the collection and release of the cable 6 and can avoid the cable 6 from being tangled.
[0019] In the description of the present invention, it is necessary to understand that the terms "up", "down", "left", "right", "top", "bottom", "horizontal", "vertical", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0020] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.
Claims
1. A high-load low-voltage area line loss detection device, comprising a box, a cover body for protection is provided on the top of the box, and a detector body for area line loss detection is provided in the box, characterized in that: A lifting mechanism is provided in the box, which includes a lower support plate fixed at the lower end of the box, vertically arranged sliding rods are fixed at the four corners of the top of the lower support plate, a horizontally arranged upper support plate is provided directly above the lower support plate, the upper support plate can be slidably assembled on each sliding rod, a vertically arranged electric push rod is provided between the upper support plate and the lower support plate, the top end of the electric push rod is hinged to the bottom end of the upper support plate, the bottom end of the electric push rod is hinged to the top end of the lower support plate, and the detector body is arranged at the top end of the upper support plate; a ventilation mechanism is provided in the box on the left side of the lifting mechanism, the ventilation mechanism includes a ventilation chamber with an L-shaped cross-section, the top end of the ventilation chamber is open, the lower end of the ventilation chamber extends to the bottom of the lower support plate, and ventilation holes are provided on the upper support plate and the lower support plate, and an air supply mechanism is provided in the ventilation chamber; a cable retracting mechanism is provided in the box on the right side of the lifting mechanism.
2. A high-load low-voltage area line loss detection device according to claim 1, characterized in that: The cable retracting and releasing mechanism includes a first guide wheel, a second guide wheel and a third guide wheel which are installed in the box body at intervals from left to right. The second guide wheel is located above the first guide wheel and the second guide wheel. A guide groove is provided on the inner wall of the box body between the first guide wheel and the second guide wheel. A vertical guide groove is also provided on the inner wall of the box body between the second guide wheel and the third guide wheel. Both guide grooves are equipped with a movable pulley group which can move up and down along the guide groove.
3. A high-load low-voltage area line loss detection device according to claim 1, characterized in that: The air supply mechanism includes a support rod fixed at the bottom of the box body, on which a horizontally arranged support shaft is rotatably mounted, a motor is fixed to the left side of the support rod, and a fan blade is fixed to the right end of the support rod, and a power output shaft of the motor is drivingly connected to the support shaft.
4. A high-load low-voltage area line loss detection device according to claim 3, characterized in that: The ventilation chamber is provided with a first filter screen and a second filter screen in sequence from top to bottom, and the first filter screen and the second filter screen are arranged at intervals.
5. A high-load low-voltage area line loss detection device according to claim 4, characterized in that: The filtering holes of the first filter net are larger than the filtering holes of the second filter net.
6. A high-load low-voltage area line loss detection device according to claim 1, characterized in that: A sealing pad is arranged inside the box cover for sealing, and a handle is arranged on the top of the box cover for facilitating lifting the box cover.
7. A high-load low-voltage area line loss detection device according to any one of claims 1 to 6, characterized in that: A plurality of baffles are fixed on the top of the upper support plate for facilitating the clamping of the detector body.