CN109633304B - High tension switchgear handcart test device - Google Patents
High tension switchgear handcart test device Download PDFInfo
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- CN109633304B CN109633304B CN201811494763.0A CN201811494763A CN109633304B CN 109633304 B CN109633304 B CN 109633304B CN 201811494763 A CN201811494763 A CN 201811494763A CN 109633304 B CN109633304 B CN 109633304B
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- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000004146 energy storage Methods 0.000 claims description 20
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to the technical field of high-voltage switch cabinet overhauling equipment, in particular to a handcart testing device for a high-voltage switch cabinet, which comprises a box body, a wiring plug, a plurality of indicating lamps, a panel, a switch and a battery, wherein the panel is installed in the box body, the plurality of indicating lamps are arranged on the panel in a row, a plurality of jacks are arranged on the wiring plug, the number and the arrangement of the jacks are matched with handcart terminals, the indicating lamps are connected with the jacks matched with the handcart circuit detection terminals through wires to form a detection circuit, a lock catch matched with a handcart is installed on the wiring plug, the lock catch is fixedly clamped with the handcart when the wiring plug is inserted on the handcart terminals, and the jacks connected with the handcart low-voltage action test terminals are connected with a low-voltage action characteristic instrument through wires. The substantial effects of the invention are as follows: the jacks matched with the handcart wiring terminals are arranged on one wiring plug, all the wiring terminals can be connected with the testing device only by one-time plugging, and the testing is quick and is not easy to connect wrong wires.
Description
Technical Field
The invention relates to the technical field of high-voltage switch cabinet overhauling equipment, in particular to a high-voltage switch cabinet handcart testing device.
Background
Most of power equipment of the high-voltage switch cabinet are all installed on the handcart, the handcart is installed on a sliding rail in the high-voltage switch cabinet and can be pulled out through a pulling handle, and a binding post specially used for overhauling and testing is installed on the handcart. High voltage switchgear is an important electrical device that requires periodic maintenance. The high-voltage switch cabinet overhaul comprises loop on-off overhaul and low-voltage action overhaul, and the low-voltage action of the high-voltage switch cabinet is taken as a power element by an energy storage spring, so that the energy storage spring is usually required to be charged before overhaul. At present, for the maintenance of a high-voltage switch cabinet, a conducting wire is usually connected to a binding post manually, and when one loop is detected, the testing of the next loop is carried out by re-wiring after the disconnection, which is very time-consuming and labor-consuming. The handcart testing efficiency of the high-voltage switch cabinet is low, and the hidden trouble of wrong connection exists. Therefore, a handcart testing device of a high-voltage switch cabinet capable of quickly connecting wires needs to be developed.
Chinese patent CN105842617A, open 2016, 8, 10 days, a special device for testing, including an auxiliary function box, a special adapter plug and a breaker mechanical property tester, the opening jack of the opening signal input jack connected with the mechanical property tester through a wire, the closing jack of the closing signal input jack connected with the mechanical property tester through a wire, the spring energy storage power output jack of the auxiliary function box connected with the energy storage power input jack through a wire, and the electrical unlocking power output jack of the auxiliary function box connected with the unlocking power input jack through a wire. The method is convenient to operate and high in practicability, avoids complex and low-efficiency manual wiring, energy storage and dangerous unlocking steps, and greatly improves the accuracy, safety and efficiency of test work. However, the plug-in connector adopts a plurality of plugs for plugging, which improves the safety compared with manual connection of wires, but still has the hidden trouble of wrong wire connection, and needs to plug in and pull out the connector for many times.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the test of present high tension switchgear handcart wiring is frequent, the technical problem that efficiency of software testing is low. The high-voltage switch cabinet handcart testing device with the jacks fixed on the wiring plugs and only needing one-time plugging is provided.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a high-voltage switch cabinet handcart testing device is connected with a high-voltage switch cabinet handcart terminal and a low-voltage action characteristic instrument, the handcart terminal comprises a terminal for loop detection, a terminal for low-voltage action test and a terminal for action energy storage, the action energy storage terminal is used for executing spring energy storage for low-voltage action when in testing, the device is respectively used for checking high-voltage switch cabinet handcart loop detection and low-voltage action test, and comprises a box body, a wiring plug, a plurality of indicating lamps, a panel, a switch and a battery, the panel is installed in the box body, the plurality of indicating lamps are arranged on the panel in a row, a plurality of jacks are arranged on the wiring plug, the number and the arrangement of the jacks are matched with the handcart terminal, the jacks connected with the terminal for handcart loop detection are respectively connected with the indicating lamps through wires to form a plurality of detection loops, a plurality of detection return circuit all establishes ties with battery and switch, install the hasp that matches with the handcart on the wiring plug, hasp and handcart fixed joint when wiring plug pegs graft on the handcart terminal, the jack of terminal connection for the handcart low pressure action test passes through the wire and is connected with low pressure action characteristic appearance. With wiring plug and handcart wiring terminal connection, both can pass through the jack and the wire of whole handcart terminals and be connected with test circuit and low pressure action characteristic appearance, whether light through looking over the pilot lamp of establishing ties with test circuit, both can audio-visually judge the break-make that detects the return circuit, convenient and fast, and be difficult to the condition that connects the wrong line appear, can carry out the low pressure action characteristic through low pressure action characteristic appearance and test, need not the secondary wiring.
Preferably, the wire harness sleeve is further included, and the wire between the wiring plug and the indicator lamp is sleeved in the wire harness sleeve. The wire harness sleeve can avoid the wire to cause the test site to be disordered, and can protect the wire simultaneously.
Preferably, the low-voltage action characteristic instrument comprises a plurality of jointing clamps and a plug, wherein the plurality of jointing clamps are respectively connected with a jack through a wire, the connected jacks are connected with a wiring terminal for a low-voltage action test, the jointing clamps are used for being connected with the low-voltage action characteristic instrument, the plug is connected with the wiring terminal for action energy storage, and the plug is used for executing spring energy storage when being connected with a mains supply. The energy is stored for the execution spring through the plug, and then the energy is used for a low-voltage action characteristic test, so that the test process of the low-voltage characteristic test can be facilitated, and the overhauling speed of the handcart is accelerated.
Preferably, the LED lamp also comprises a plurality of lamp holders and a plurality of lamp holders, wherein the lamp holders are cylindrical, one end of each lamp holder is open, the end surface of the open end of each lamp holder is provided with a flanging extension, the first end of each lamp holder is fixedly connected with the back surface of the panel, the bottom surface of the closed end of each lamp holder is fixedly provided with a contact, the contacts are connected in series with the detection circuit, the lamp holders are cylindrical, the second ends of the lamp holders are fixedly provided with movable contacts matched with the contacts, the first ends of the lamp holders are provided with cavities, the cavities are provided with conductive jacks, the conductive jacks are connected with the movable contacts through leads, the indicator lamps are LED lamps packaged by pins, the pins of the LED lamps are inserted into the conductive jacks, the inner side walls of the cavities are abutted against the outer walls of the LED lamps, recesses are machined on the outer edges of the lamp holders close to the first ends along the circumference, the movable contact is connected with the contact when the lamp holder is inserted into the lamp holder. The LED lamp is connected into the lamp holder, then the lamp holder is inserted into the lamp holder, when the LED lamp is damaged, the LED lamp can be replaced only by pulling out the lamp holder, the panel does not need to be detached, and maintenance is convenient.
Preferably, the lamp holder further comprises a plurality of annular magnets and a plurality of torsional springs, a self-checking contact is further fixed on the bottom surface of the closed end of the lamp holder and is orthogonally arranged with the detection contact, the self-checking contact is located on one circumference and is connected with the switch and the battery in series, the first end of the torsional spring is fixedly connected with the lamp holder, the second end of the torsional spring is connected with the lamp holder in a clamped mode, a clamping hole matched with the second end of the torsional spring is processed in the lamp holder, and the torsional spring enables the lamp holder to have the trend of rotating to the position where the movable contact is connected with the contact. When the LED lamp is damaged, the on-off of the detection loop cannot be judged, so that when the LED lamp is not on, the LED lamp can be manually screwed for a certain angle, the movable contact at the bottom of the lamp cap is connected with the self-detection contact, the LED lamp is electrified at the moment, if the LED lamp emits light, the LED lamp is intact, the detection loop is disconnected, and if the LED lamp does not emit light, the LED lamp needs to be replaced and then detected again.
Preferably, the lamp holder further comprises a first electromagnet and a second electromagnet, concave tables are machined on the circumferences of the second ends of the lamp holders, annular magnets are sleeved on the concave tables, the lamp holders are fixedly connected with the annular magnets, the first electromagnet and the second electromagnet are strip-shaped, the first electromagnet and the second electromagnet are respectively fixed on two opposite edges of the box body, the detection contacts are located on orthogonal lines of connecting lines of the first electromagnet and the second electromagnet, the switch is a three-position switch, a first working position of the switch is connected with the detection loop in series, a second working position of the switch is respectively connected with coils of the first electromagnet and the second electromagnet in series, and a third working position of the switch is idle and serves as an off position. When the switch is pushed to the second working position from the turn-off position, the first electromagnet and the second electromagnet are electrified to generate basically parallel electromagnetic fields in the box body, so that the lamp holder in the magnetic fields rotates, the direction of the magnetic fields is arranged to enable the lamp holder to rotate to the angle of the combination of the bottom movable contact and the self-checking contact, and at the moment, all the LED lamps are required to be lightened for carrying out one-time self-checking before testing so as to ensure the accuracy of a detection result.
The substantial effects of the invention are as follows: the jacks matched with the handcart wiring terminals are arranged on one wiring plug, all the wiring terminals can be connected with the testing device only by one-time plugging, and the testing is quick and is not easy to connect wrong wires.
Drawings
FIG. 1 is a schematic structural diagram of a hand truck testing apparatus according to an embodiment.
FIG. 2 is a schematic diagram of a detection circuit according to an embodiment.
FIG. 3 is a sectional view of an exemplary embodiment of an indicator light mounting structure.
FIG. 4 is an exploded view of an exemplary indicator light mounting structure.
FIG. 5 is a schematic view of a second exemplary embodiment of a lamp holder.
Fig. 6 is a schematic view of a lamp socket according to a second embodiment.
Fig. 7 is a schematic view of the installation positions of the first electromagnet and the second electromagnet according to the second embodiment.
Wherein: 1. the device comprises a box body, 2, a panel, 3, an indicator light, 4, a wiring sleeve, 5, a wiring plug, 6, a switch, 7, a battery, 8, a torsion spring, 9, a lamp holder, 10, a lamp cap, 11, an annular magnet, 12, a recess, 13, a protrusion, 14, a movable contact, 15, a detection contact, 16, a self-detection contact, 17, a first electromagnet, 18 and a second electromagnet.
Detailed Description
The following provides a more detailed description of the present invention, with reference to the accompanying drawings.
The first embodiment is as follows:
a handcart testing device of a high-voltage switch cabinet is connected with a handcart terminal of the high-voltage switch cabinet and a low-voltage action characteristic instrument in the embodiment, the handcart terminal comprises a terminal for loop detection, a terminal for low-voltage action test and a terminal for action energy storage, the action energy storage terminal is used for executing spring energy storage for low-voltage action during testing and is respectively used for checking the handcart loop detection and the low-voltage action test of the high-voltage switch cabinet, as shown in figure 1, the handcart testing device is a schematic structural diagram of the handcart testing device in the embodiment, as shown in figure 2, a schematic principle diagram of a detection circuit in the embodiment, the embodiment comprises a box body 1, a wiring plug 5, a plurality of indicating lamps 3, a panel 2, a switch 6 and a battery 7, the panel 2 is installed in the box body 1, the plurality of indicating lamps 3 are arranged on the panel 2, a plurality of jacks are arranged on the wiring plug 5, with handcart return circuit detection with a plurality of jack of terminal connection, be connected through wire and pilot lamp 3 respectively and constitute a plurality of detection return circuit, a plurality of detection return circuit all establishes ties with battery 7 and switch 6, install the hasp that matches with the handcart on the terminal plug 5, hasp and handcart fixed joint when terminal plug 5 pegs graft on the handcart terminal, the jack with handcart low pressure terminal connection for the action test passes through the wire and is connected with low pressure action characteristic appearance. With wiring plug 5 and handcart wiring terminal connection, both can pass through the jack and the wire of whole handcart terminals and be connected with test circuit and low pressure action characteristic appearance, whether light through looking over pilot lamp 3 of establishing ties with test circuit, both can audio-visually judge the break-make that detects the return circuit, convenient and fast, and be difficult to the condition that connects the wrong line appear, can carry out the low pressure action characteristic through low pressure action characteristic appearance and test, need not the secondary wiring.
The wire between the wiring plug 5 and the indicator light 3 is sleeved in the wire bundling sleeve 4. The wire harness sleeve 4 can avoid the wire to cause the test scene to be mixed and disorderly, and can protect the wire simultaneously.
The plurality of jointing clamps are respectively connected with one jack through a wire, the connected jacks are connected with the binding post for the low-voltage action test, the jointing clamps are used for being connected with the low-voltage action characteristic instrument, the plug is connected with the binding post for the action energy storage, and the energy storage is performed for the execution spring when the plug is connected with the mains supply. The energy is stored for the execution spring through the plug, and then the energy is used for a low-voltage action characteristic test, so that the test process of the low-voltage characteristic test can be facilitated, and the overhauling speed of the handcart is accelerated.
Example two:
the present embodiment specifically improves the installation structure of the indicator light 3 to facilitate replacement of the damaged indicator light 3, and can perform self-inspection on the indicator light 3, as shown in fig. 3, which is a sectional view of the installation structure of the indicator light of the embodiment, as shown in fig. 4, which is an explosion view of the installation structure of the indicator light of the embodiment, as shown in fig. 5, which is a schematic view of the structure of the lamp holder of the second embodiment, as shown in fig. 6, which is a schematic view of the structure of the lamp holder of the second embodiment, in the present embodiment, the lamp holder 9 is in a cylindrical shape with one end open, an end surface of the open end of the lamp holder 9 is provided with a flange extension, a first end of the lamp holder 9 is fixedly connected to a back surface of the panel 2, a contact is fixed to a bottom surface of the closed end of the lamp holder 9, the contact is connected to the detection circuit in series, the lamp holder 10 is in a cylindrical shape, a second end, the indicating lamp 3 is an LED lamp with a plug pin package, the plug pin of the LED lamp is inserted into the conductive jack, the inner side wall of the cavity is abutted against the outer wall of the LED lamp, a recess 12 is formed in the outer edge of the lamp holder 10 close to the first end along the circumference, a plurality of protrusions 13 matched with the recess 12 are formed in the inner wall of the first end of the lamp holder 9, and the movable contact 14 is connected with the contact when the lamp holder 10 is inserted into the lamp holder 9. The LED lamp is connected into the lamp holder 10, then the lamp holder 10 is inserted into the lamp holder 9, when the LED lamp is damaged, the LED lamp can be replaced only by pulling out the lamp holder 10, the panel 2 does not need to be detached, and maintenance is convenient.
The bottom surface of the closed end of the lamp holder 9 is also fixed with a self-checking contact 16, the self-checking contact 16 and the detection contact 15 are orthogonally arranged, the contacts of the self-checking contact 16 and the detection contact 15 are positioned on a circle, the self-checking contact 16 is connected with the switch 6 and the battery 7 in series, the first end of the torsion spring 8 is fixedly connected with the lamp holder 9, the second end of the torsion spring 8 is clamped on the lamp holder 10, the lamp holder 10 is provided with a clamping hole matched with the second end of the torsion spring 8, and the torsion spring 8 enables the lamp holder 10 to have the trend of rotating to the position where the movable contact. When the LED lamp is damaged, the on-off of the detection loop cannot be judged, so that when the LED lamp is not on, the LED lamp can be manually screwed for a certain angle, the movable contact 14 at the bottom of the lamp cap 10 is connected with the self-checking contact 16, the LED lamp is electrified at the moment, if the LED lamp emits light, the LED lamp is intact, the detection loop is disconnected, and if the LED lamp does not emit light, the LED lamp needs to be replaced and then detected again.
As shown in fig. 7, which is a schematic view of installation positions of a second first electromagnet 17 and a second electromagnet 18 according to an embodiment, concave platforms are respectively processed on circumferences of second ends of a plurality of lamp caps 10, a ring-shaped magnet 11 is sleeved on the concave platforms, the lamp caps 10 are fixedly connected with the ring-shaped magnet 11, the first electromagnet 17 and the second electromagnet 18 are both in a strip shape, the first electromagnet 17 and the second electromagnet 18 are respectively fixed on two opposite sides of a box body 1, a detection contact 15 is located on an orthogonal line of a connection line of the first electromagnet 17 and the second electromagnet 18, a switch 6 is a three-position switch 6, a first working position of the switch 6 is connected in series with a detection loop, a second working position of the switch 6 is respectively connected in series with coils of the first electromagnet 17 and the second electromagnet 18, and a third working position of the switch 6 is an off position. When the switch 6 is pushed to the second working position from the off position, the first electromagnet 17 and the second electromagnet 18 are electrified to generate a substantially parallel electromagnetic field in the box body 1, so that the lamp holder 10 in the magnetic field rotates, the direction of the magnetic field is arranged to enable the lamp holder 10 to rotate to the angle of the combination of the bottom movable contact 14 and the self-checking contact 16, and at the moment, all the LED lamps should be lightened for carrying out one-time self-checking before the testing so as to ensure the accuracy of the detection result.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (3)
1. A handcart testing device of a high-voltage switch cabinet is connected with a handcart wiring terminal of the high-voltage switch cabinet and a low-voltage action characteristic instrument, the handcart wiring terminal comprises a wiring terminal for loop detection, a wiring terminal for low-voltage action test and a wiring terminal for action energy storage, the action energy storage wiring terminal is used for executing spring energy storage for low-voltage action during testing and is respectively used for the detection of the handcart loop of the high-voltage switch cabinet and the low-voltage action test,
the handcart low-voltage action tester comprises a box body, a wiring plug, a plurality of indicator lamps, a panel, a switch and a battery, wherein the panel is arranged in the box body, the plurality of indicator lamps are arranged on the panel in a row, a plurality of jacks are arranged on the wiring plug, the number and the arrangement of the jacks are matched with handcart terminals, the jacks connected with the handcart terminals for handcart loop detection are respectively connected with the indicator lamps through wires to form a plurality of detection loops, the detection loops are all connected with the battery and the switch in series, a lock catch matched with a handcart is arranged on the wiring plug, the lock catch is fixedly clamped with the handcart when the wiring plug is inserted into the handcart terminals, and the jacks connected with the handcart low-voltage action tester through wires;
the LED lamp comprises a panel, a lamp holder and a plurality of lamp holders, wherein the lamp holder is cylindrical, one end of the lamp holder is open, a flange extends from the end face of the open end of the lamp holder, the first end of the lamp holder is fixedly connected with the back of the panel, a contact is fixed on the bottom surface of the closed end of the lamp holder, the contact is connected with the detection loop in series, the lamp holder is cylindrical, a movable contact matched with the contact is fixed on the second end of the lamp holder, a concave cavity is processed at the first end of the lamp holder, a conductive jack is processed in the concave cavity, the conductive jack is connected with the movable contact through a lead, the indicator lamp is an LED lamp packaged by a plug pin, the plug pin of the LED lamp is inserted into the conductive jack, the inner side wall of the concave cavity is abutted against the outer wall of the LED lamp, a recess is processed on the outer edge of the lamp holder close, the movable contact is connected with the contact when the lamp holder is inserted into the lamp holder;
the lamp holder is characterized by further comprising a plurality of annular magnets and a plurality of torsional springs, a self-checking contact is further fixed on the bottom surface of the closed end of the lamp holder, the self-checking contact and the detecting contact are arranged orthogonally, the self-checking contact and the contact of the detecting contact are located on a circle, the self-checking contact is connected with the switch and the battery in series, the first end of the torsional spring is fixedly connected with the lamp holder, the second end of the torsional spring is clamped on the lamp holder, a clamping hole matched with the second end of the torsional spring is machined in the lamp holder, and the torsional spring enables the lamp holder to have the trend of rotating to the position where the movable contact and the contact are;
still include first electro-magnet and second electro-magnet, a plurality of lamp holder second end circumference has all processed the concave station, annular magnet has been cup jointed on the concave station, lamp holder and annular magnet fixed connection, first electro-magnet and second electro-magnet all are the strip, first electro-magnet and second electro-magnet are fixed respectively on box both sides, it is located to detect the contact on the orthogonal line of first electro-magnet and second electro-magnet line, the switch is the tribit switch, the first work position and the detection return circuit of switch are established ties, the second work position of switch respectively with the coil of first electro-magnet and second electro-magnet is established ties, the third work position vacancy of switch is as the off-position.
2. The high-voltage switch cabinet handcart testing device according to claim 1,
the wire harness sleeve is characterized by further comprising a wire harness sleeve, and a conducting wire between the wiring plug and the indicating lamp is sleeved in the wire harness sleeve.
3. The high-voltage switch cabinet handcart testing device according to claim 1 or 2,
still include a plurality of binding clip and plug, a jack is connected through the wire respectively to a plurality of binding clip, the jack that is connected with terminal connection for the low pressure action test, the binding clip be used for with low pressure action characteristic appearance is connected, the plug with move terminal connection for the energy storage, for the execution spring energy storage during the plug connection commercial power.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811494763.0A CN109633304B (en) | 2018-12-07 | 2018-12-07 | High tension switchgear handcart test device |
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| CN201811494763.0A CN109633304B (en) | 2018-12-07 | 2018-12-07 | High tension switchgear handcart test device |
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| CN109633304A CN109633304A (en) | 2019-04-16 |
| CN109633304B true CN109633304B (en) | 2021-06-08 |
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