CN115575855A - Power grid safety appliance preventive test method - Google Patents
Power grid safety appliance preventive test method Download PDFInfo
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- CN115575855A CN115575855A CN202211294784.4A CN202211294784A CN115575855A CN 115575855 A CN115575855 A CN 115575855A CN 202211294784 A CN202211294784 A CN 202211294784A CN 115575855 A CN115575855 A CN 115575855A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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Abstract
The invention provides a power grid safety appliance preventive test method, which comprises the following steps of S1, historical data query: s2, putting the insulating glove to be tested on a rack; s3, appearance detection: s4, leakage current testing: s5, putting down the insulating gloves: and S5, updating historical data of the insulating gloves by the cloud platform. The inflation detection mode of the invention has higher detection precision and higher efficiency, and simultaneously, the insulating gloves are also swelled when inflated, and each adsorption position of the insulating gloves, especially the finger part, can be completely opened, so that water can completely cover each finger area when subsequent automatic water filling is carried out, and the subsequent automatic water filling can be normally finished; the medium supply assembly can automatically supplement and draw out water in the insulating gloves and the water storage tank, so that an operator does not need to pour out the water in the water jackets one by one, the detection site can be ensured to be clean and tidy, the safety is higher, the detection efficiency can be effectively improved, and meanwhile, the water can be recycled and the water resource can be saved.
Description
Technical Field
The invention relates to the technical field of power grid equipment maintenance, in particular to a power grid safety appliance preventive test method.
Background
The preventive test of the electric power safety tools refers to finding the hidden danger of the electric power safety tools, preventing equipment or personal accidents, and carrying out inspection and test; the electric power safety tool mainly comprises: safety helmets, insulating gloves, insulating boots, insulating clothing, and the like;
when an insulating glove prevention test is carried out, the current insulating glove detection process is as follows: putting water with the resistivity not more than 100 omega.m, such as tap water, into the interior of the glove to be tested, and then immersing the glove into a metal basin filled with the same water, so that the inner horizontal surface and the outer horizontal surface of the glove have the same height, the glove should have a water surface exposed part of 90mm, and the part should be wiped dry; boosting the voltage to a specified voltage value of 8kV at a constant speed, keeping the voltage for 1min, preventing electrical breakdown, measuring leakage current, and judging that the test is passed if the value of the leakage current is less than or equal to 9 mA;
because the insulating gloves are frequently used and need to be detected every 6 months, the shelf life of the insulating gloves is only 18 months, the detection of the insulating gloves is one item with the largest quantity and the largest failure probability, the detection requirement on the insulating gloves is more, and the current insulating glove test has the following defects:
1. at present, before leakage current detection is carried out, the appearance of an insulating glove is checked by naked eyes to judge whether holes exist on the outer wall of the insulating glove or not, and because the quantity of the insulating glove is large, a large error exists in a manual checking mode, omission easily occurs, subsequent pressure application detection can be determined, and the appearance detection step is low in efficiency and insufficient in precision;
2. in the testing process, need artifical constantly to add water in every insulating gloves that await measuring, after the detection finishes, inwards take out insulating gloves from the retaining again, pour out the water in the insulating gloves again, above-mentioned in-process, relatively more troublesome on the one hand, detection efficiency is low, can't satisfy insulating gloves's in batches detection needs, on the other hand, water on the insulating gloves can drip to operation platform, when the circular telegram detects, there is safe electrically conductive potential safety hazard on the operation platform.
In summary, a power grid security device preventive test method with high detection efficiency, high safety and high precision is needed at present.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a power grid safety appliance preventive test method, which solves the problems mentioned in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the power grid safety appliance preventive test method comprises the following steps:
s1, historical data query:
s2, putting the insulating glove to be tested on a rack;
clamping and fixing the insulating gloves to be tested with qualified historical data below each hanging rack;
s3, appearance detection:
placing the hanging frame above a detection device, wherein the detection device comprises n stations, and each station is provided with a water storage tank, a medium supply assembly and a constraint assembly; each insulating glove to be tested is arranged in the water storage tank below;
the medium supply assembly synchronously extends into each insulation glove to be tested;
the restraint assembly closes the top opening of the insulating glove;
the medium supply assembly fills gas into the insulating glove to be tested, and the insulating glove to be tested is blown to an expansion state;
detecting whether gas leaks from the outside of the insulating glove to be detected;
s4, leakage current testing:
insulating gloves to be tested qualified in appearance detection by medium supply assembly and storage tank outside insulating gloves
Synchronously injecting water into the water tank;
electrifying water in the insulating glove to be detected;
detecting whether the leakage current in the water storage tank is in a qualified range;
s5, putting the insulating gloves on a rack:
the medium supply component extracts water in the insulating gloves and the water storage tank;
lifting the hanging rack;
and S5, updating historical data of the insulating gloves by the cloud platform.
Further, in S1, the historical data query specifically includes:
scanning the bar codes on the labels on the outer walls of the insulating gloves to be detected one by one;
the bar code information is uploaded to a cloud platform, the cloud platform calls out cloud data according to the bar code information, and the cloud data comprise production numbers, production dates, failure dates and historical detection records;
judging whether the insulating glove to be detected reaches the failure date or not;
if yes, entering the next step;
if not, the insulating gloves are failed and discarded;
judging whether the historical detection has unqualified records;
if so, the insulating gloves are unqualified and scrapped;
if not, the next step is carried out.
Further, in S3, detecting whether there is gas leakage outside the insulating glove to be detected specifically is:
if so, gas leakage exists, the insulating glove is unqualified, and the restraint component corresponding to the insulating glove keeps a clamping state;
if not, no gas leakage exists, the appearance of the insulating glove is qualified, and the constraint component corresponding to the insulating glove is converted into a floating state.
Further, in S4, detecting whether the leakage current in the water storage tank is within a qualified range specifically includes:
if so, the insulation performance of the insulating glove is qualified, and the constraint component corresponding to the insulating glove keeps a floating state;
otherwise, the insulation performance of the insulating glove is unqualified, and the restraint assembly corresponding to the insulating glove keeps a clamping state.
Further, in S5, the lifting frame specifically includes:
and lifting the hanging rack, wherein the following actions are synchronously performed in the lifting process:
the restraint assembly in the clamping state clamps the insulating gloves, unqualified insulating gloves are separated from the clamp, and the insulating gloves are retained on the restraint assembly;
the constraint component in the floating state rolls to adsorb water on the outer wall of the insulating glove, so that the qualified insulating glove and the clamp synchronously leave;
taking down the insulating gloves on the hanging rack, and transferring the insulating gloves to a storage station;
and taking down the insulating gloves retained on the restraint assembly for disposal.
Furthermore, each water storage tank is arranged on one side of the surface of the main tank body in a linear array mode, a support assembly is arranged on the other side of the surface of the main tank body in a linear array mode, a medium supply assembly is arranged on the inner side of the top end of the support assembly in a linear array mode, side frame bodies are vertically arranged at two ends of a plurality of water storage tanks on the top of each water storage tank, the hanging frame is inserted between the two side frame bodies or on the hanging frame in a matched mode, and a plurality of groups of clips are arranged below the hanging frame; each water storage tank corresponds to one group of medium supply components, one group of constraint components and one group of clamps;
an equipment cavity and a liquid storage cavity are formed in the main box body, an instrument assembly is mounted in the equipment cavity and comprises a first liquid pump, a second liquid pump and an air source assembly, the top of the liquid storage cavity is communicated with a water inlet pipe, the bottom of the liquid storage cavity is communicated with a water outlet pipe, the inlet of the first liquid pump is communicated with the liquid storage cavity, the outlet of the first liquid pump is communicated with the medium supply assembly, the inlet of the second liquid pump is communicated with the medium supply assembly, the outlet of the second liquid pump is communicated with the liquid storage cavity, and the outlet of the air source assembly is communicated with the medium supply assembly;
the first liquid pump, the second liquid pump and the joint of the air source assembly and the medium supply assembly are all provided with independent valve bodies.
Furthermore, the medium supply assembly comprises a detection frame, the detection frame is installed on the supporting assembly, the supporting assembly is used for driving the detection frame to move horizontally or vertically, an outer guide pipe, an inner guide pipe and an emitting electrode are vertically arranged on the bottom surface of the detection frame at intervals, the lengths of the outer guide pipe, the inner guide pipe and the emitting electrode are sequentially reduced, the outer guide pipe relatively extends into the water storage box, and the inner guide pipe and the emitting electrode relatively extend into the insulating glove.
Furthermore, a receiving electrode and a detection probe are arranged in the water storage tank, and the receiving electrode and the detection probe are electrically connected with the detection host
The invention provides a power grid safety appliance preventive test method. Compared with the prior art, the method has the following beneficial effects:
1. the cloud platform is built to record a database of each insulating glove, each insulating glove is adhered with a waterproof bar code label, the database is in contact with the ID of each waterproof bar code label, historical data can be called out from the database through the ID and then displayed on a display screen, and an operator can look up and change the historical data on a computer client;
2. the traditional manual visual detection is changed into an inflation detection mode, so that the detection precision is higher, the detection efficiency is higher, meanwhile, the insulating gloves are also bulged when inflated, and the adsorption positions of the insulating gloves, particularly the finger parts, can be completely opened, so that water can completely cover all finger areas when the subsequent automatic water filling is performed, and the subsequent automatic water filling can be normally completed;
3. the medium supply assembly can automatically supplement and draw water in the insulating gloves and the water storage tank, so that an operator does not need to pour out the water in the water storage tank one by one, the detection site can be ensured to be clean and tidy, the safety is higher, the detection efficiency can be effectively improved, and meanwhile, the water recycling and water saving can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 shows a schematic diagram of a grid security appliance preventative testing method of the present invention;
FIG. 2 shows a schematic diagram of the detection apparatus of the present invention;
FIG. 3 shows a schematic view of the suspension frame structure of the present invention;
FIG. 4 is a schematic view of the present invention pylon mounted above a suspension frame;
FIG. 5 is a schematic view of the clamping configuration of the restraint assembly of the present invention;
FIG. 6 is a schematic view of a restraint assembly of the present invention;
FIG. 7 is a schematic view showing the inflated state of the insulating glove of the present invention;
FIG. 8 is a schematic view showing the liquid-filled state of the insulating glove of the present invention;
shown in the figure: 1. a main box body; 11. a water inlet pipe; 12. a water outlet pipe; 13. a side frame body; 2. an activity detection component; 21. a base plate; 22. a storage box; 23. a movable plate; 24. a detection frame; 25. an outer catheter; 26. an inner conduit; 27. an emitter electrode; 3. an instrument assembly; 31. a main supply pipe; 32. a supply hose; 33. a first liquid pump; 34. a second liquid pump; 35. a gas source assembly; 4. a water storage tank; 41. a receiving electrode; 42. detecting a probe; 5. a restraint assembly; 51. clamping the pneumatic rod; 52. a fixed mount; 53. a roller; 531. a sponge sleeve; 6. a hanger; 61. a clip; 7. a suspension frame; 8. an insulating glove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but 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
In order to solve the technical problems in the background art, the following power grid safety appliance preventive test method is provided:
referring to fig. 1 to 8, the invention provides a method for testing the grid safety device precautionary performance, the method comprising the following steps:
s1, historical data query:
scanning the bar codes on the labels on the outer walls of the insulating gloves to be detected one by one;
the bar code information is uploaded to a cloud platform, the cloud platform calls out cloud data according to the bar code information, and the cloud data comprises production numbers, production dates, failure dates and historical detection records;
judging whether the insulating glove to be detected reaches the failure date or not;
if yes, entering the next step;
if not, the insulating gloves are failed and discarded;
judging whether the historical detection has unqualified records;
if so, the insulating gloves are unqualified and scrapped;
if not, entering the next step;
the cloud platform is built to record a database of each insulating glove, each insulating glove is adhered with a waterproof bar code label, the database is in contact with the ID of each waterproof bar code label, historical data can be called out from the database through the ID and then displayed on a display screen, and an operator can look up and change the historical data on a computer client;
the design of the step can inquire the historical data of each glove to be detected, so that workers can clearly know the state of each glove to be detected before detection, and can timely remove the insulating gloves with expired periods and unqualified histories, thereby reducing the amount of the insulating gloves to be detected, avoiding unnecessary detection operation and greatly improving the detection efficiency of safety appliances;
s2, putting the insulating glove to be tested on a rack;
clamping and fixing the insulating gloves to be tested with qualified historical data below each hanging rack;
the two clamps clamp and position one insulating glove, the insulating glove can be conveniently and uniformly transferred to detection equipment through the hanging frame, and the transfer efficiency of the insulating glove is improved;
s3, appearance detection:
placing the hanging frame above a detection device, wherein the detection device comprises n stations, and each station is provided with a water storage tank, a medium supply assembly and a constraint assembly; each insulating glove to be tested is arranged in the water storage tank below;
the medium supply assembly synchronously extends into each insulation glove to be tested;
the restraint assembly closes the top opening of the insulating glove;
the medium supply assembly fills gas into the insulating glove to be tested, and the insulating glove to be tested is blown to an expansion state;
detecting whether gas leaks outside the insulating glove to be detected;
in the step, the restraint assembly can clamp and block the opening of the insulating glove in the step, so that air leakage during inflation is avoided; the medium supply assembly supplies air to the insulating glove separately in the step;
the traditional manual visual detection is changed into an inflation detection mode, so that the detection precision is higher, the detection efficiency is higher, meanwhile, the insulating gloves are also bulged when inflated, and the adsorption positions of the insulating gloves, particularly the finger parts, can be completely opened, so that water can completely cover all finger areas when the subsequent automatic water filling is performed, and the subsequent automatic water filling can be normally completed;
s4, leakage current testing:
insulating gloves to be tested qualified in appearance detection by medium supply assembly and storage outside insulating gloves
Synchronously injecting water into the water tank;
electrifying water in the insulating glove to be detected;
detecting whether the leakage current in the water storage tank is in a qualified range;
injecting water into the insulating gloves to be tested and the water storage tank, and then carrying out a power-on test, wherein if the leakage power detected by the water storage tank exceeds the standard, the insulating gloves are unqualified;
the medium supply assembly can realize automatic water injection, an operator does not need to inject water into the water storage tanks and the gloves one by one and then wipe the exposed parts of the gloves dry, and in this way, the exposed parts of the gloves can be kept dry, the water injection amount of each station can be accurately controlled, the operation is simpler and more convenient, and the detection efficiency is higher;
s5, putting down the insulating gloves:
the medium supply component extracts water in the insulating gloves and the water storage tank;
lifting the hanging rack;
after the detection finishes, the medium supply assembly can automatically pump out water in the insulating gloves and the water storage tank, so that an operator does not need to pour out the water in the water jackets one by one, the detection site can be ensured to be clean and tidy, the safety is higher, the medium supply assembly automatically pumps water, the detection efficiency can be effectively improved, and meanwhile, the water can be recycled and saved.
S5, updating historical data of the insulating gloves by the cloud platform;
after the detection is finished, the worker registers the current detection result in the corresponding data table, so that the database is updated in time, and subsequent reference is facilitated.
As an improvement of the above technical solution, in S3, detecting whether there is gas leakage outside the insulating glove to be detected specifically includes:
if so, gas leakage exists, the insulating glove is unqualified, and the restraint component corresponding to the insulating glove keeps a clamping state;
if not, no gas leakage exists, the appearance of the insulating glove is qualified, and the constraint component corresponding to the insulating glove is converted into a floating state.
As an improvement of the above technical solution, in S4, detecting whether the leakage current in the water storage tank is within a qualified range specifically includes:
if so, the insulation performance of the insulating glove is qualified, and the constraint component corresponding to the insulating glove keeps a floating state;
otherwise, the insulation performance of the insulating glove is unqualified, and the restraint assembly corresponding to the insulating glove keeps a clamping state.
As an improvement of the above technical solution, in S5, the lifting rack specifically includes:
and lifting the hanging rack, wherein the following actions are synchronously performed in the lifting process:
the restraint assembly in the clamping state clamps the insulating gloves, unqualified insulating gloves are separated from the clamp, and the insulating gloves are retained on the restraint assembly;
the restraining component in the floating state rolls to adsorb water on the outer wall of the insulating glove, so that the qualified insulating glove and the clamp synchronously leave;
taking down the insulating gloves on the hanging rack, and transferring the insulating gloves to a storage station;
and taking down the insulating gloves retained on the restraint assembly for disposal.
In S3-S5, when the detection host judges that the insulating gloves at a certain station are unqualified, the restraint assembly at the station is controlled to be in a clamping state, and the restraint assembly at the qualified insulating gloves is in a floating state, so that the detection judgment process can be linked with the restraint assembly to associate the detection judgment result with the unqualified product screening result;
when the hanging rack is lifted up, unqualified insulating gloves are clamped by the constraint component in a clamped state, so that the unqualified insulating gloves are separated from the hanging rack, and qualified products leave along with the hanging rack, therefore, workers can more visually distinguish and combine the qualified products and the unqualified products, automatic classification is realized, the continuity of the whole detection process is not affected, the workers only need to operate after the detection is finished and the power is cut off, and the safety of a high-voltage test is ensured;
the restraint assembly in the floating state can not only ensure that the insulating gloves can be lifted, but also adsorb water on the outer walls of the insulating gloves, ensure that the insulating gloves are in a relatively dry state, and solve the problem that the traditional gloves are taken out and drip water to pollute a test site; the drying process is synchronously carried out in the rack, the work procedure is not exclusively used, manual operation is not needed, the detection efficiency is further improved, and the requirement for detecting large batches of insulating gloves is met.
Example two
As shown in fig. 2 to 8, on the basis of the above embodiments, the present embodiment further provides the following:
in order to enable the detection equipment to meet the requirement of achieving the technical effect, the following scheme design is provided:
the water storage tanks 4 are arranged on one side of the surface of the main tank body 1 in a linear array manner, the other side of the surface of the main tank body 1 is provided with a support assembly, the inner side of the top end of the support assembly is provided with a medium supply assembly in a linear array manner, two ends of a plurality of water storage tanks 4 are vertically provided with side frame bodies 13 at the top of each water storage tank 4, the hanging frame 6 is inserted between the two side frame bodies 13 or on the hanging frame 7 in a matching manner, and the lower part of the hanging frame 6 is connected with a plurality of groups of clamps 61 through soft ropes; each reservoir 4 corresponds to one set of media supply assembly, one set of restriction assembly 5 and one set of clips 61; an equipment cavity and a liquid storage cavity are formed in the main box body 1, an equipment assembly 3 is installed in the equipment cavity, the equipment assembly 3 comprises a first liquid pump 33, a second liquid pump 34 and an air source assembly 35, the top of the liquid storage cavity is communicated with a water inlet pipe 11, the bottom of the liquid storage cavity is communicated with a water outlet pipe 12, the inlet of the first liquid pump 33 is communicated with the liquid storage cavity, the outlet of the first liquid pump is communicated with a medium supply assembly, the inlet of the second liquid pump 34 is communicated with the medium supply assembly, the outlet of the second liquid pump is communicated with the liquid storage cavity, and the outlet of the air source assembly 35 is communicated with the medium supply assembly; the joints of the first liquid pump 33, the second liquid pump 34 and the air source assembly 35 with the medium supply assembly are all provided with independent valve bodies;
the plurality of hangers 6 are clamped on the suspension frame 7 in a centralized manner, so that an operator can clamp the rubber gloves to be detected below the hangers 6 in a centralized manner, and then transfer the hangers 6 to the side frame bodies 13 one by one, thereby meeting the transfer requirements of a large number of insulating gloves 8, and thus, the putting-detection-putting-off of the insulating gloves 8 can be carried out synchronously without waiting;
the drawing-in and drawing-in requirements can be met by arranging the first liquid pump 33 and the second liquid pump 34, and the air source assembly 35 is used for supplying nitrogen to the medium supply assembly.
As an improvement of the above technical scheme, the medium supply assembly comprises a detection frame 24, the detection frame 24 is mounted on a support assembly, the support assembly is used for driving the detection frame 24 to move horizontally or vertically, an outer conduit 25, an inner conduit 26 and an emission electrode 27 are vertically arranged on the bottom surface of the detection frame 24 at intervals, the lengths of the outer conduit 25, the inner conduit 26 and the emission electrode 27 are sequentially reduced, the outer conduit 25 relatively extends into the water storage tank 4, and the inner conduit 26 and the emission electrode 27 relatively extend into the insulating glove 8.
Through the integrated outer catheter 25, the inner catheter 26 and the emitting electrode 27, the three structures can be separated from and positioned at the same time, the action efficiency is higher, and the control is simpler and more convenient.
The activity detection assembly 2 comprises a support assembly and a restraining assembly 5;
the supporting component comprises a bottom plate 21, a containing box 22 and a movable plate 23, wherein the bottom plate 21 is arranged on the surface of the main box body 1, the containing box 22 is slidably mounted on the surface of the bottom plate 21, the movable plate 23 is slidably embedded in the containing box 22, and a detection frame 24 is arranged on the side wall of the top end of the movable plate 23; the inlets of the inner conduit 26 and the outer conduit 25 are both communicated to a supply hose 32, the inlet of the supply hose 32 is communicated with a main supply pipe 31, and the inlet of the main supply pipe 31 is connected to a first liquid pump 33, a second liquid pump 34 and an air source assembly 35 in parallel; the storage box 22 is moved along the bottom plate 21, and then the movable plate 23 is vertically adjusted so that the outer guide tube 25, the inner guide tube 26, and the emitter electrode 27 enter or exit the insulating glove 8.
The restraint assembly 5 and the water storage tank 4 are distributed along the Y-axis direction, and the medium supply assembly is distributed along the X-axis direction;
the restraint component 5 comprises a clamping pneumatic rod 51, a fixing frame 52 and rollers 53, wherein the two groups of rollers 53 are symmetrically arranged at the top of the water storage tank 4, the outer wall of each roller 53 is sleeved with a sponge sleeve 531, the outer wall of each roller 53 is provided with the pneumatic rod, and the pneumatic rod is arranged on the outer wall of the water storage tank 4 through the fixing frame 52; when the component 5 is restrained in a clamped state, the two rollers 53 are in direct contact, the sponge sleeve 531 is extruded and contracted, and the outer wall of each roller 53 is provided with a ring groove avoiding the inner conduit 26 and the emitting electrode 27; when the assembly 5 is in a floating state, the two sponge sleeves 531 are attached to each other, so that the roller 53 can rotate to absorb water. The nip position of the roller 53 is placed below the clip 61.
As an improvement of the above technical scheme, the receiving electrode 41 and the detection probe 42 are distributed in the water storage tank 4, and both the receiving electrode 41 and the detection probe 42 are electrically connected with the detection host.
The power grid safety appliance preventive test method and the detection equipment can be used for detecting not only the insulating gloves but also the insulating boots.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The power grid safety appliance preventive test method is characterized by comprising the following steps: the test method comprises the following steps:
s1, historical data query:
s2, putting the insulating glove to be tested on a rack;
clamping and fixing the insulating gloves to be tested with qualified historical data below each hanging rack;
s3, appearance detection:
placing the hanger above a detection device, wherein the detection device comprises n stations, and each station is provided with a water storage tank, a medium supply assembly and a constraint assembly; each insulating glove to be tested is arranged in the water storage tank below;
the medium supply assembly synchronously extends into each insulation glove to be tested;
the restraint component closes the top opening of the insulating glove;
the medium supply assembly fills gas into the insulating glove to be tested, and the insulating glove to be tested is blown to an expansion state;
detecting whether gas leaks outside the insulating glove to be detected;
s4, leakage current testing:
the medium supply assembly synchronously injects water into the insulating gloves to be detected and the water storage tanks outside the insulating gloves to be detected, wherein the appearance of the insulating gloves is detected to be qualified;
electrifying water in the insulating glove to be detected;
detecting whether the leakage current in the water storage tank is in a qualified range;
s5, putting the insulating gloves on a rack:
the medium supply assembly pumps water in the insulating gloves and the water storage tank;
lifting the hanging rack;
and S5, updating historical data of the insulating gloves by the cloud platform.
2. The grid security device preventive test method according to claim 1, characterized in that: in S1, the historical data query specifically includes:
scanning the bar codes on the labels on the outer walls of the insulating gloves to be detected one by one;
the bar code information is uploaded to a cloud platform, the cloud platform calls out cloud data according to the bar code information, and the cloud data comprises production numbers, production dates, failure dates and historical detection records;
judging whether the insulating glove to be detected reaches the failure date or not;
if yes, entering the next step;
if not, the insulating gloves are failed and discarded;
judging whether the historical detection has unqualified records;
if so, the insulating gloves are unqualified and scrapped;
if not, the next step is carried out.
3. The grid security device preventive test method according to claim 1, characterized in that: in S3, whether gas leakage exists outside the insulating glove to be detected is detected, specifically:
if so, gas leakage exists, the insulating gloves are unqualified, and the restraint components corresponding to the insulating gloves keep a clamping state;
if not, no gas leakage exists, the appearance of the insulating glove is qualified, and the constraint component corresponding to the insulating glove is converted into a floating state.
4. The grid security device preventive test method according to claim 1, characterized in that: in S4, detecting whether the leakage current in the water storage tank is within a qualified range specifically includes:
if so, the insulation performance of the insulating glove is qualified, and the constraint component corresponding to the insulating glove keeps a floating state;
otherwise, the insulation performance of the insulating glove is unqualified, and the restraint assembly corresponding to the insulating glove keeps a clamping state.
5. The grid security device preventive test method according to claim 1, characterized in that: in S5, the lifting frame specifically includes:
lifting the hanging rack, and synchronously carrying out the following actions in the lifting process:
the restraint assembly in the clamping state clamps the insulating gloves, unqualified insulating gloves are separated from the clamp, and the insulating gloves are retained on the restraint assembly;
the restraining component in the floating state rolls to adsorb water on the outer wall of the insulating glove, so that the qualified insulating glove and the clamp synchronously leave;
taking down the insulating gloves on the hanging rack, and transferring the insulating gloves to a storage station;
and taking down the insulating gloves retained on the restraint assembly for disposal.
6. The grid security device preventative test method according to claim 4, wherein: the water storage tanks are arranged on one side of the surface of the main tank body in a linear array manner, the other side of the surface of the main tank body is provided with a support assembly, the inner side of the top end of the support assembly is provided with a medium supply assembly in a linear array manner, the top of each water storage tank is provided with a plurality of side frame bodies, two ends of each water storage tank are vertically provided with a side frame body, the hanging frame is inserted between the two side frame bodies or on the hanging frame in a matched manner, and a plurality of groups of clips are arranged below the hanging frame; each water storage tank corresponds to one group of medium supply components, one group of constraint components and one group of clamps;
an equipment cavity and a liquid storage cavity are formed in the main box body, an instrument assembly is mounted in the equipment cavity and comprises a first liquid pump, a second liquid pump and an air source assembly, the top of the liquid storage cavity is communicated with a water inlet pipe, the bottom of the liquid storage cavity is communicated with a water outlet pipe, the inlet of the first liquid pump is communicated with the liquid storage cavity, the outlet of the first liquid pump is communicated with the medium supply assembly, the inlet of the second liquid pump is communicated with the medium supply assembly, the outlet of the second liquid pump is communicated with the liquid storage cavity, and the outlet of the air source assembly is communicated with the medium supply assembly;
the first liquid pump, the second liquid pump and the joint of the air source assembly and the medium supply assembly are all provided with independent valve bodies.
7. The grid security device preventative test method according to claim 4, wherein: the medium supply assembly comprises a detection frame, the detection frame is arranged on a supporting assembly, the supporting assembly is used for driving the detection frame to move horizontally or vertically, an outer guide pipe, an inner guide pipe and an emitting electrode are vertically arranged on the bottom surface of the detection frame at intervals, the lengths of the outer guide pipe, the inner guide pipe and the emitting electrode are sequentially reduced, the outer guide pipe relatively extends into the water storage tank, and the inner guide pipe and the emitting electrode relatively extend into the insulating glove.
8. The grid security device preventative test method according to claim 4, wherein: and a receiving electrode and a detection probe are distributed in the water storage tank and are electrically connected with the detection host.
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| CN117907730A (en) * | 2024-03-19 | 2024-04-19 | 昆明市官渡区职业高级中学 | New energy automobile maintenance electric shock prevention monitoring system and method |
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