CN107238776B - Detection alarm device for preventing transformer substation from transmitting power with safety measures - Google Patents
Detection alarm device for preventing transformer substation from transmitting power with safety measures Download PDFInfo
- Publication number
- CN107238776B CN107238776B CN201710390822.9A CN201710390822A CN107238776B CN 107238776 B CN107238776 B CN 107238776B CN 201710390822 A CN201710390822 A CN 201710390822A CN 107238776 B CN107238776 B CN 107238776B
- Authority
- CN
- China
- Prior art keywords
- clamp body
- clamping part
- safety measures
- conductive
- conductive clamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000000523 sample Substances 0.000 claims description 42
- 230000000007 visual effect Effects 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 238000001467 acupuncture Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 14
- 239000006185 dispersion Substances 0.000 abstract description 5
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 description 16
- 230000006698 induction Effects 0.000 description 12
- 238000003825 pressing Methods 0.000 description 12
- 230000005611 electricity Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
-
- 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
Abstract
The invention discloses a detection alarm device for preventing a transformer substation from transmitting power with safety measures, so that a vicious accident of transmitting power with safety measures is prevented. When the operation operator resumes the operation of the power failure equipment, all safety measures installed firstly need to be removed, the grounding wire of the invention is temporarily installed between the power failure equipment and the transformer substation grounding grid as well, if the safety measures are left in the power transmission equipment, a conduction loop is formed, so that an alarm of the device is triggered, the operation operator is warned, and power transmission is forbidden; compared with the traditional method, the device has the advantages of ingenious conception, simplicity, convenience, easy use, safety and reliability, and solves the problem of voltage resistance caused by direct contact between the device and power failure equipment through voltage dispersion and charge release.
Description
Technical Field
The invention relates to the technical field of detection for preventing a transformer substation from transmitting power with safety measures, in particular to a detection alarm device for preventing the transformer substation from transmitting power with the safety measures.
Background
When a power failure line interval or bus power restoration operation is performed in a transformer substation, the transformer substation needs to check that the line interval to be restored to power transmission or safety (grounding) measures installed on the bus are completely removed, and power transmission can be performed after the check is confirmed that the line interval or the bus is completely removed; once the power transmission behavior with safety measures occurs, serious equipment and personal casualty accidents can be caused, and even the safe and stable operation of a large power grid is endangered. Up to now, there are two main methods for preventing power transmission with safety measures in a substation at home and abroad: and (5) manually inspecting and installing a five-prevention device. The manual inspection tour is to inspect and remove all safety measures of the power transmission equipment on site through a transformer substation operator by naked eyes, and the reliability and the safety are poor depending on professional literacy and responsibility of the field operator; the five-prevention device is installed by installing the misoperation prevention device on the power transmission equipment of the transformer substation, each operation of an operator can be executed by the logical judgment of the misoperation prevention device, the safety is high, faults are easy to occur, the reliability needs to be improved, the operation is complex, and the requirements on professional quality and learning capacity of the operator are high.
As disclosed in application No. 201511033181.9, a transformer substation five-prevention control system includes: the system comprises a five-prevention host, a display, a network controller, a wireless router, a power supply screen cabinet, a centralized control center, a ground wire manager host, a detection locking mechanism and a computer key; the five-prevention host is connected with the display, the centralized control center, the network controller and the ground wire manager host; a plurality of grounding wire devices are arranged in the power supply cabinet; the network controller is connected with the wireless router, and the wireless router is used for information interaction between the computer key and the five-prevention host; the detection locking mechanism is connected with the ground wire manager host; the computer key is used for unlocking and locking the power supply screen cabinet; the computer key carries out unlocking operation or locking operation on the power supply screen cabinet through the control signal, and the five-prevention host controls the display to display the state of the power supply screen cabinet in real time according to the control signal. If the patent with the application number of 201710059972.1 discloses a five-prevention system for intelligent transformer substation again, five-prevention system is located the monitored control system of intelligent transformer substation, is connected with intelligent terminal and the terminal equipment of intelligent transformer substation respectively, five-prevention system includes monitored control system backstage shutting module, wall shutting module and electronic return circuit shutting module, monitored control system backstage shutting module is connected with the monitoring database and the electronic return circuit shutting module in the monitored control system respectively, wall shutting module is connected with intelligent terminal, electronic return circuit shutting module is connected with terminal equipment. The disadvantages are that: the device is easy to break down, the reliability needs to be improved, the operation is more complicated, and the requirements on the professional quality and the learning ability of operators are higher.
Disclosure of Invention
In order to solve the problems, the invention provides a detection alarm device for preventing a transformer substation from carrying out power transmission with safety measures.
The utility model provides a prevent transformer substation from taking detection alarm device of safety measure power transmission, includes the binding clip who is connected respectively with A, B, C three-phase, binding clip on the A, B, C three-phase links together the back through the wire and is connected with the discharge valve, the discharge valve is established ties with reactance, resistance, DC power supply, audible-visual annunciator, transformer substation's ground net.
The direct current power supply is a storage battery.
The discharge valve is a circular metal body, and a plurality of acupuncture points are uniformly distributed on the circumference of the circular metal body.
The audible and visual alarm is connected with a binding clip.
The binding clip comprises an upper conductive clip body and a lower conductive clip body hinged with the upper conductive clip body, wherein a rotatable conductive probe is arranged at the clamping part of the upper conductive clip body and/or the lower conductive clip body.
Furthermore, an insulating cap is arranged on the conductive probe.
Further, the conductive probe is in threaded connection with the clamping part of the upper conductive clamp body and/or the lower conductive clamp body.
Furthermore, the conductive probe is connected with the clamping part of the upper conductive clamp body and/or the lower conductive clamp body through a sliding pressing adjusting mechanism.
Furthermore, the sliding pressing adjusting mechanism comprises a sliding hole arranged at the clamping part, a plurality of blind holes arranged on two sides of the sliding hole of the clamping part and a sliding plate arranged under the clamping part, inserting rods used for aligning with the blind holes are arranged on two sides of the sliding plate, a conductive probe in threaded connection with the sliding plate is arranged on the sliding plate, and a jacking spring is arranged between the needle handle end of the conductive probe and the clamping part.
Furthermore, an annular thrust bearing is arranged below the jacking spring.
Furthermore, blind holes on two sides of the sliding hole are symmetrically arranged on the clamping part.
Furthermore, the blind holes are of a stepped structure.
Furthermore, the conductive probe needle point part is of a thread structure.
The invention aims to check whether the safety measures of the transmitted equipment of the transformer substation are completely removed, and the difference between the safety measures of the transmitted equipment and the completely removed equipment needs to be found to achieve the aim. Therefore, the device adopts a conducting loop of a direct current power supply, an audible and visual alarm, a resistor, an inductor, a discharge valve, a jointing clamp, a bus, a safety measure and a transformer substation grounding grid, and can see that once the safety measure on the bus (the power-transmitted equipment) is removed, the loop cannot be conducted, and the audible and visual alarm stops alarming; in addition, in order to achieve the intended function, the device of the present invention needs to solve the problem of withstand voltage of the device. The substation power failure equipment is influenced by peripheral high-voltage live equipment, so that induction electricity and static electricity with large voltage can be formed on the substation power failure equipment, and when safety measures of the power failure equipment are completely removed and the substation power failure equipment contacts the power failure equipment, the safe and reliable operation of the device is damaged, and even the personal safety is threatened. The device adopts two methods of voltage dispersion and charge concentration and release to solve the voltage resistance problem of the device in the research and development process, in order to avoid the device of the invention to bear all induction electricity and static voltage, a divider resistor and an inductor are additionally arranged at the upper end of the alarm device to realize voltage dispersion, a metal thorn-shaped discharge valve is arranged between an iron core and a jointing clamp, the static charge of a power failure bus is concentrated on the metal thorn-shaped discharge valve and is released in the air through the principle of static charge point discharge, and the charge energy borne by a direct current power supply and an audible and visual alarm is further reduced, so that the voltage resistance problem of the detection alarm device is solved, and the safe and reliable operation of the device is ensured; the conductive clamp is characterized in that a clamping spring is sleeved on a connecting shaft through a clamping part of an upper conductive clamp body and/or a lower conductive clamp body, the connecting shaft is sleeved in a shaft seat of the upper conductive clamp body and the lower conductive clamp body, two ends of the clamping spring are respectively clamped and pressed on the lower surface and the upper surface of the upper conductive clamp body and the lower conductive clamp body in opposite directions, so that the upper conductive clamp body and the lower conductive clamp body are kept in clamping contact, the upper conductive clamp body and the lower conductive clamp body are opened by applying pressure on a handle end, an insulating sleeve is fixed on the outer surfaces of the handle ends of the upper conductive clamp body and the lower conductive clamp body or the outer surfaces of the upper conductive clamp body and the lower conductive clamp body except a clamping mouth, a test clamp is added on an ABC three-phase conductor, and when the ABC three-phase. Furthermore, through compressing tightly the top tight spring, the position of slide at the clamping part is adjusted to the slide to can the centre gripping different diameters wire, the top tight spring has annular thrust bearing, rotates lightly.
Drawings
The invention is further described with reference to the accompanying drawings:
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic top view of the clamping portion of the present invention;
FIG. 4 is a schematic diagram of the structure A-A of FIG. 3;
FIG. 5 is a schematic structural diagram of a blind via of the present invention.
Detailed Description
Example 1: as shown in fig. 1-5, the grounding wire A, B, C three-phase jointing clamp used in operation is cut off at the convergence position and used as the contact part of the device and the power failure equipment, the operation method is consistent with that of the grounding wire, and the three-phase jointing clamp is fixed on the three-phase drainage wire of the power failure equipment by using the insulating rod, so that the simplicity and the practicability in the use process of the device are ensured; the circular metal body discharge valve 26 is arranged at the lower end of the convergence part of the A, B, C three-phase jointing clamp of the invention, so that a large amount of static charges gathered on power failure equipment due to static induction are released at the circular metal body discharge valve, and the safe and reliable operation of a direct current power supply 23 and an alarm device at the lower end of the invention is prevented from being threatened; the lower end of the discharge valve is provided with a voltage-dividing reactor 25 and a resistor 24 for sharing the AC induction voltage and the DC voltage component generated by the power failure equipment under the influence of the peripheral high-voltage live equipment, so that the safe and reliable operation of a DC power supply at the lower end of the device and the alarm device 22 is prevented from being threatened; the alarm device 22 adopts an audible and visual alarm, and a direct-current power supply and the audible and visual alarm are arranged on the part of the device close to the ground, so that the functions of detecting and alarming safety measures of power failure equipment are realized; the lower end of the acousto-optic alarm is provided with a lead clamp which is the same as the lead clamps on the ABC three phases, and when the acousto-optic alarm is used, the lead clamp is clamped on a grounding body connected with a grounding grid of a transformer substation, so that a reliable loop is formed among the device, the grounding grid, safety measures and power failure equipment. The grounding wire is temporarily arranged between the power failure equipment and the transformer substation grounding grid, and if safety measures are left in the power transmission equipment, a conduction loop is formed, so that the alarm of the device is triggered, operating personnel is warned, and power transmission is forbidden.
The wire guide clamp 21 comprises an upper conductive clamp body 1 and a lower conductive clamp body 11 hinged with the upper conductive clamp body, and a rotatable conductive probe 10 is arranged at the clamping part of the upper conductive clamp body and/or the lower conductive clamp body.
An insulating cap 5 is arranged on the conductive probe.
The conductive probe is in threaded connection with the clamping part of the upper conductive clamp body and/or the lower conductive clamp body.
The conductive probe is connected with the clamping part of the upper conductive clamp body and/or the lower conductive clamp body through a sliding pressing adjusting mechanism.
The sliding pressing adjusting mechanism comprises a sliding hole 3 arranged at the clamping part, a plurality of blind holes 2 arranged on two sides of the sliding hole of the clamping part and a sliding plate 8 arranged under the clamping part, inserting rods 4 used for matching with the blind holes are arranged on two sides of the sliding plate, a conductive probe in threaded connection with the sliding plate is arranged on the sliding plate, and a jacking spring 6 is arranged between the needle handle end of the conductive probe and the clamping part.
Blind holes at two sides of the sliding hole are symmetrically arranged on the clamping part.
The blind hole is of a stepped structure.
The conductive probe needle point part is of a thread structure.
Example 2: as shown in fig. 1-5, the grounding wire A, B, C three-phase jointing clamp used in operation is cut off at the convergence position and used as the contact part of the device and the power failure equipment, the operation method is consistent with that of the grounding wire, and the three-phase jointing clamp is fixed on the three-phase drainage wire of the power failure equipment by using the insulating rod, so that the simplicity and the practicability in the use process of the device are ensured; the circular metal body discharge valve 26 is arranged at the lower end of the convergence part of the A, B, C three-phase jointing clamp of the invention, so that a large amount of static charges gathered on power failure equipment due to static induction are released at the circular metal body discharge valve, and the safe and reliable operation of a direct current power supply 23 and an alarm device at the lower end of the invention is prevented from being threatened; the lower end of the discharge valve is provided with a voltage-dividing reactor 25 and a resistor 24 for sharing the AC induction voltage and the DC voltage component generated by the power failure equipment under the influence of the peripheral high-voltage live equipment, so that the safe and reliable operation of a DC power supply at the lower end of the device and the alarm device 22 is prevented from being threatened; the alarm device 22 adopts an audible and visual alarm, and a direct-current power supply and the audible and visual alarm are arranged on the part of the device close to the ground, so that the functions of detecting and alarming safety measures of power failure equipment are realized; the lower end of the acousto-optic alarm is provided with a lead clamp which is the same as the lead clamps on the ABC three phases, and when the acousto-optic alarm is used, the lead clamp is clamped on a grounding body connected with a grounding grid of a transformer substation, so that a reliable loop is formed among the device, the grounding grid, safety measures and power failure equipment.
The wire guide clamp 21 comprises an upper conductive clamp body 1 and a lower conductive clamp body 11 hinged with the upper conductive clamp body, and a rotatable conductive probe 10 is arranged at the clamping part of the upper conductive clamp body and/or the lower conductive clamp body.
An insulating cap 5 is arranged on the conductive probe.
The conductive probe is in threaded connection with the clamping part of the upper conductive clamp body and/or the lower conductive clamp body.
The conductive probe is connected with the clamping part of the upper conductive clamp body and/or the lower conductive clamp body through a sliding pressing adjusting mechanism.
The sliding pressing adjusting mechanism comprises a sliding hole 3 arranged at the clamping part, a plurality of blind holes 2 arranged on two sides of the sliding hole of the clamping part and a sliding plate 8 arranged under the clamping part, inserting rods 4 used for matching with the blind holes are arranged on two sides of the sliding plate, a conductive probe in threaded connection with the sliding plate is arranged on the sliding plate, and a jacking spring 6 is arranged between the needle handle end of the conductive probe and the clamping part.
And an annular thrust bearing 7 is arranged below the jacking spring.
Blind holes at two sides of the sliding hole are symmetrically arranged on the clamping part.
The conductive probe needle point part is of a thread structure.
Example 3: as shown in fig. 1-5, the grounding wire A, B, C three-phase jointing clamp used in operation is cut off at the convergence position and used as the contact part of the device and the power failure equipment, the operation method is consistent with that of the grounding wire, and the three-phase jointing clamp is fixed on the three-phase drainage wire of the power failure equipment by using the insulating rod, so that the simplicity and the practicability in the use process of the device are ensured; the circular metal body discharge valve 26 is arranged at the lower end of the convergence part of the A, B, C three-phase jointing clamp of the invention, so that a large amount of static charges gathered on power failure equipment due to static induction are released at the circular metal body discharge valve, and the safe and reliable operation of a direct current power supply 23 and an alarm device at the lower end of the invention is prevented from being threatened; the lower end of the discharge valve is provided with a voltage-dividing reactor 25 and a resistor 24 for sharing the AC induction voltage and the DC voltage component generated by the power failure equipment under the influence of the peripheral high-voltage live equipment, so that the safe and reliable operation of a DC power supply at the lower end of the device and the alarm device 22 is prevented from being threatened; the alarm device 22 adopts an audible and visual alarm, and a direct-current power supply and the audible and visual alarm are arranged on the part of the device close to the ground, so that the functions of detecting and alarming safety measures of power failure equipment are realized; the lower end of the acousto-optic alarm is provided with a lead clamp which is the same as the lead clamps on the ABC three phases, and when the acousto-optic alarm is used, the lead clamp is clamped on a grounding body connected with a grounding grid of a transformer substation, so that a reliable loop is formed among the device, the grounding grid, safety measures and power failure equipment.
The wire guide clamp 21 comprises an upper conductive clamp body 1 and a lower conductive clamp body 11 hinged with the upper conductive clamp body, and a rotatable conductive probe 10 is arranged at the clamping part of the upper conductive clamp body and/or the lower conductive clamp body.
An insulating cap 5 is arranged on the conductive probe.
The conductive probe is in threaded connection with the clamping part of the upper conductive clamp body and/or the lower conductive clamp body.
The conductive probe is connected with the clamping part of the upper conductive clamp body and/or the lower conductive clamp body through a sliding pressing adjusting mechanism.
The sliding pressing adjusting mechanism comprises a sliding hole 3 arranged at the clamping part, a plurality of blind holes 2 arranged on two sides of the sliding hole of the clamping part and a sliding plate 8 arranged under the clamping part, inserting rods 4 used for matching with the blind holes are arranged on two sides of the sliding plate, a conductive probe in threaded connection with the sliding plate is arranged on the sliding plate, and a jacking spring 6 is arranged between the needle handle end of the conductive probe and the clamping part.
And an annular thrust bearing 7 is arranged below the jacking spring.
Blind holes at two sides of the sliding hole are symmetrically arranged on the clamping part.
The blind hole is of a stepped structure.
Example 4: as shown in fig. 1-5, the grounding wire A, B, C three-phase jointing clamp used in operation is cut off at the convergence position and used as the contact part of the device and the power failure equipment, the operation method is consistent with that of the grounding wire, and the three-phase jointing clamp is fixed on the three-phase drainage wire of the power failure equipment by using the insulating rod, so that the simplicity and the practicability in the use process of the device are ensured; the circular metal body discharge valve 26 is arranged at the lower end of the convergence part of the A, B, C three-phase jointing clamp of the invention, so that a large amount of static charges gathered on power failure equipment due to static induction are released at the circular metal body discharge valve, and the safe and reliable operation of a direct current power supply 23 and an alarm device at the lower end of the invention is prevented from being threatened; the lower end of the discharge valve is provided with a voltage-dividing reactor 25 and a resistor 24 for sharing the AC induction voltage and the DC voltage component generated by the power failure equipment under the influence of the peripheral high-voltage live equipment, so that the safe and reliable operation of a DC power supply at the lower end of the device and the alarm device 22 is prevented from being threatened; the alarm device 22 adopts an audible and visual alarm, and a direct-current power supply and the audible and visual alarm are arranged on the part of the device close to the ground, so that the functions of detecting and alarming safety measures of power failure equipment are realized; the lower end of the acousto-optic alarm is provided with a lead clamp which is the same as the lead clamps on the ABC three phases, and when the acousto-optic alarm is used, the lead clamp is clamped on a grounding body connected with a grounding grid of a transformer substation, so that a reliable loop is formed among the device, the grounding grid, safety measures and power failure equipment.
The wire guide clamp 21 comprises an upper conductive clamp body 1 and a lower conductive clamp body 11 hinged with the upper conductive clamp body, and a rotatable conductive probe 10 is arranged at the clamping part of the upper conductive clamp body and/or the lower conductive clamp body.
An insulating cap 5 is arranged on the conductive probe.
The conductive probe is in threaded connection with the clamping part of the upper conductive clamp body and/or the lower conductive clamp body.
The conductive probe is connected with the clamping part of the upper conductive clamp body and/or the lower conductive clamp body through a sliding pressing adjusting mechanism.
The sliding pressing adjusting mechanism comprises a sliding hole 3 arranged at the clamping part, a plurality of blind holes 2 arranged on two sides of the sliding hole of the clamping part and a sliding plate 8 arranged under the clamping part, inserting rods 4 used for matching with the blind holes are arranged on two sides of the sliding plate, a conductive probe in threaded connection with the sliding plate is arranged on the sliding plate, and a jacking spring 6 is arranged between the needle handle end of the conductive probe and the clamping part.
And an annular thrust bearing 7 is arranged below the jacking spring.
Blind holes at two sides of the sliding hole are symmetrically arranged on the clamping part.
The blind hole is of a stepped structure.
The conductive probe needle point part is of a thread structure.
The invention aims to check whether the safety measures of the transmitted equipment of the transformer substation are completely removed, and the difference between the safety measures of the transmitted equipment and the completely removed equipment needs to be found to achieve the aim. Therefore, the device adopts a conducting loop of a direct current power supply, an audible and visual alarm, a resistor, an inductor, a discharge valve, a jointing clamp, a bus, a safety measure and a transformer substation grounding grid, and can see that once the safety measure on the bus (the power-transmitted equipment) is removed, the loop cannot be conducted, and the audible and visual alarm stops alarming; in addition, in order to achieve the intended function, the device of the present invention needs to solve the problem of withstand voltage of the device. The substation power failure equipment is influenced by peripheral high-voltage live equipment, so that induction electricity and static electricity with large voltage can be formed on the substation power failure equipment, and when safety measures of the power failure equipment are completely removed and the substation power failure equipment contacts the power failure equipment, the safe and reliable operation of the device is damaged, and even the personal safety is threatened. The device adopts two methods of voltage dispersion and charge concentration and release to solve the voltage resistance problem of the device in the research and development process, in order to avoid the device of the invention to bear all induction electricity and static voltage, a divider resistor and an inductor are additionally arranged at the upper end of the alarm device to realize voltage dispersion, a metal thorn-shaped discharge valve is arranged between an iron core and a jointing clamp, the static charge of a power failure bus is concentrated on the metal thorn-shaped discharge valve and is released in the air through the principle of static charge point discharge, and the charge energy borne by a direct current power supply and an audible and visual alarm is further reduced, so that the voltage resistance problem of the detection alarm device is solved, and the safe and reliable operation of the device is ensured; the conductive clamp is characterized in that a clamping spring is sleeved on a connecting shaft through a clamping part of an upper conductive clamp body and/or a lower conductive clamp body, the connecting shaft is sleeved in a shaft seat of the upper conductive clamp body and the lower conductive clamp body, two ends of the clamping spring are respectively clamped and pressed on the lower surface and the upper surface of the upper conductive clamp body and the lower conductive clamp body in opposite directions, so that the upper conductive clamp body and the lower conductive clamp body are kept in clamping contact, the upper conductive clamp body and the lower conductive clamp body are opened by applying pressure on a handle end, an insulating sleeve is fixed on the outer surfaces of the handle ends of the upper conductive clamp body and the lower conductive clamp body or the outer surfaces of the upper conductive clamp body and the lower conductive clamp body except a clamping mouth, a test clamp is added on an ABC three-phase conductor, and when the ABC three-phase. Furthermore, through compressing tightly the top tight spring, the position of slide at the clamping part is adjusted to the slide to can the centre gripping different diameters wire, the top tight spring has annular thrust bearing, rotates lightly.
Claims (4)
1. The utility model provides a prevent transformer substation from taking safety measure power transmission's detection alarm device which characterized in that: the cable clamp comprises a jointing clamp body respectively connected with A, B, C three phases, the jointing clamp body on the A, B, C three phases is connected with a discharge valve after being connected together through a lead, the discharge valve is connected with a reactance, a resistance, a direct current power supply, an audible and visual alarm and a transformer substation grounding grid in series, the audible and visual alarm is connected with the jointing clamp body, the jointing clamp comprises an upper conductive clamp body and a lower conductive clamp body hinged with the upper conductive clamp body, a rotatable conductive probe is arranged at a clamping part of the upper conductive clamp body and/or the lower conductive clamp body, the conductive probe is in threaded connection with the clamping part of the upper conductive clamp body and/or the lower conductive clamp body, the conductive probe is connected with the clamping part of the upper conductive clamp body and/or the lower conductive clamp body through a sliding compression adjusting mechanism, the sliding compression adjusting mechanism comprises a sliding hole arranged at the clamping part, a plurality of blind holes arranged at two sides of the sliding hole of the clamping part and a sliding plate arranged, the utility model discloses a slide hole, including slide plate, slide hole, blind hole, conducting probe needle point portion, the slide plate both sides are equipped with the inserted bar that corresponds with the blind hole, be equipped with the electrically conductive probe of threaded connection with it on the slide plate, be equipped with the top between electrically conductive probe's needle handle end and clamping part and tightly push up the spring, and slide hole both sides blind hole symmetry sets up at the clamping part, the blind hole is stair structure, electrically conductive probe.
2. The detection alarm device for preventing the substation from transmitting power with safety measures according to claim 1, characterized in that: the direct current power supply is a storage battery.
3. The detection alarm device for preventing the substation from transmitting power with safety measures according to claim 2, wherein: the discharge valve is a circular metal body, and a plurality of acupuncture points are uniformly distributed on the circumference of the circular metal body.
4. The detection alarm device for preventing the substation from transmitting power with safety measures according to claim 3, wherein: and an insulating cap is arranged on the conductive probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710390822.9A CN107238776B (en) | 2017-05-27 | 2017-05-27 | Detection alarm device for preventing transformer substation from transmitting power with safety measures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710390822.9A CN107238776B (en) | 2017-05-27 | 2017-05-27 | Detection alarm device for preventing transformer substation from transmitting power with safety measures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107238776A CN107238776A (en) | 2017-10-10 |
| CN107238776B true CN107238776B (en) | 2020-10-02 |
Family
ID=59985671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710390822.9A Active CN107238776B (en) | 2017-05-27 | 2017-05-27 | Detection alarm device for preventing transformer substation from transmitting power with safety measures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107238776B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903204A (en) * | 2012-10-24 | 2013-01-30 | 四川省电力公司绵阳电业局 | Grounding wire missing-disassembly alarm device |
| CN104241968A (en) * | 2014-09-19 | 2014-12-24 | 国家电网公司 | Anti-misoperation short-circuit grounding device |
| CN205826792U (en) * | 2016-07-28 | 2016-12-21 | 国网辽宁省电力有限公司丹东供电公司 | Intelligent anti-line with ground closes a floodgate and detects device |
| CN207198272U (en) * | 2017-05-27 | 2018-04-06 | 国网河南省电力公司平顶山供电公司 | Prevent detection warning device of the transformer station with safety measure power transmission |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2086419U (en) * | 1991-01-24 | 1991-10-09 | 朱少武 | Anti-jointing switch with ground wire checking unit |
| CN201256188Y (en) * | 2008-04-30 | 2009-06-10 | 上海市电力公司宝山供电分公司 | Insertion wire clip for conductive wire |
| CN201421889Y (en) * | 2009-04-03 | 2010-03-10 | 安徽省电力公司滁州供电公司 | Power distribution circuit piercing clamp installed by operating rod |
| CN201549819U (en) * | 2009-04-03 | 2010-08-11 | 刘智慧 | Electricity checking clamp used for repair |
| CN202649309U (en) * | 2012-04-18 | 2013-01-02 | 山西省电力公司大同供电分公司 | Direct current resistance test system of power transmission line |
| CN204166072U (en) * | 2013-12-25 | 2015-02-18 | 国家电网公司 | Earthing detection equipment |
| CN104360216B (en) * | 2014-11-05 | 2018-01-12 | 国家电网公司 | Ground detection device and ground detecting method |
| CN204142886U (en) * | 2014-11-06 | 2015-02-04 | 国家电网公司 | The instrument whether a kind of low-voltage DC source inspection ground wire is removed |
-
2017
- 2017-05-27 CN CN201710390822.9A patent/CN107238776B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903204A (en) * | 2012-10-24 | 2013-01-30 | 四川省电力公司绵阳电业局 | Grounding wire missing-disassembly alarm device |
| CN104241968A (en) * | 2014-09-19 | 2014-12-24 | 国家电网公司 | Anti-misoperation short-circuit grounding device |
| CN205826792U (en) * | 2016-07-28 | 2016-12-21 | 国网辽宁省电力有限公司丹东供电公司 | Intelligent anti-line with ground closes a floodgate and detects device |
| CN207198272U (en) * | 2017-05-27 | 2018-04-06 | 国网河南省电力公司平顶山供电公司 | Prevent detection warning device of the transformer station with safety measure power transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107238776A (en) | 2017-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202906346U (en) | temporary grounding wire with electricity testing function | |
| CN107069965B (en) | Step voltage leakage alarm device for power distribution network and power distribution network leakage monitoring system in power supply district | |
| CN102981101B (en) | A kind of detection method for misoperation prevention of power transmission line | |
| CN107238776B (en) | Detection alarm device for preventing transformer substation from transmitting power with safety measures | |
| CN111883954B (en) | Error-locking prevention device for grounding wire of power transmission line | |
| CN205985893U (en) | Electrified column switch professional equipment that changes of indirect bypass of 10kV circuit insulator spindle | |
| CN206096344U (en) | Overhead line fault locator | |
| CN207198272U (en) | Prevent detection warning device of the transformer station with safety measure power transmission | |
| CN202886458U (en) | Real-time detection and alarm device for bypass flexible cable running current | |
| CN207069096U (en) | A kind of locking device for grounding wire | |
| CN213093585U (en) | 400 volt bypass switch and nuclear phase current and voltage monitoring device | |
| CN205070209U (en) | Power switch cabinet live display device | |
| CN212517561U (en) | Grounding wire with electricity testing function | |
| CN104701821B (en) | A kind of SF6Breaker monitors system | |
| CN210155300U (en) | Quick detection tool for correctness of circuit wiring | |
| CN208334617U (en) | A kind of binding clip verifying transformer station direct current system leakage current mutual inductor | |
| CN112394299A (en) | Far-end electric leakage test device for coal mine underground power line | |
| CN208849098U (en) | A kind of electric power security protection facility intelligent positioner | |
| CN208284652U (en) | A kind of electric power first-aid ready-package earthing or grounding means | |
| CN216750320U (en) | Portable grounding device for non-grounding ring | |
| CN207924065U (en) | A kind of distribution network line intelligent online monitoring device | |
| CN203423427U (en) | Telegraph pole anti-misoperation safety device | |
| CN210166451U (en) | Insulated wire puncture pincers and detection tool | |
| CN203965510U (en) | Current-limiting type transformer iron core grounding current monitoring device | |
| CN201151410Y (en) | Anti-running device of equipment train with electric block |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |