CN112634554A - Air switch safety operation signboard in electrical switch cabinet and method - Google Patents
Air switch safety operation signboard in electrical switch cabinet and method Download PDFInfo
- Publication number
- CN112634554A CN112634554A CN202011589245.4A CN202011589245A CN112634554A CN 112634554 A CN112634554 A CN 112634554A CN 202011589245 A CN202011589245 A CN 202011589245A CN 112634554 A CN112634554 A CN 112634554A
- Authority
- CN
- China
- Prior art keywords
- alarm
- switch
- safety operation
- air switch
- power supply
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 230000001960 triggered effect Effects 0.000 claims description 7
- 238000012795 verification Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000003811 finger Anatomy 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Audible And Visible Signals (AREA)
Abstract
The invention discloses an air switch safety operation signboard and an air switch safety operation method in an electrical switch cabinet, belongs to the field of electrical control, and aims to solve the problems that a rope-hanging type safety operation signboard is easy to fall off and safety accidents caused by mistaken switching-on are easy to cause. The scheme of the invention is as follows: the vertical plate, the upper arc plate and the lower supporting plate form a U-shaped structure and are clamped on the air switch, and the upper arc plate and the vertical plate are connected through an elastic component; the upper surface of the lower supporting plate is provided with a micro-motion type travel switch SQ, and the micro-motion type travel switch SQ is of a normally closed type; the front end face of the vertical plate is provided with a character warning area, a work indicator light LED1 and an alarm indicator light LED2, the rear end face of the vertical plate is provided with an electric control box, and a field control unit in the electric control box comprises a direct-current power supply E, a start button SB1, a stop button SB2, an intermediate relay KA1, a power-on delay relay KT1, an NE555 time-base integrated circuit, an electrolytic capacitor C1, a capacitor C2, a diode D1, a slide rheostat Rp and a loudspeaker BL. The invention is used for safe operation marking.
Description
Technical Field
The invention relates to a safety operation signboard suitable for small space use of an electrical switch cabinet, belonging to the field of electrical control.
Background
The electric equipment in the factory is many, and the operation such as opening and shutting, control and protection of electric equipment is accomplished through the regulator cubicle basically, and the conventional structure of cubical switchboard is as the frame-type structure that fig. 1 shows, and the parallel, the compact setting of multirow bracket, the secondary component of the control low voltage electric equipment of every row of shelf location, the secondary component includes: air switches, relays, kilowatt-hour meters, ammeters, voltmeters, power meters, power factor meters, frequency meters, fuses, change-over switches, signal lamps, protective devices and the like. Among the secondary components in the cabinet, the number of air switches is relatively large.
When some electrical equipment needs to be maintained, in order to ensure production safety, according to the requirement of electric power safety work rules, the air switch corresponding to the electrical equipment is hung with a ' forbidden switch-on ', someone works ' nameplate, because the space in the switch cabinet is limited, the existing safety operation nameplate mostly adopts a hanging rope type structure, the hanging rope type nameplate is easy to drop, once the air switch is switched on by other people through misoperation, an extremely serious safety accident can be generated, the personal safety of maintenance personnel is directly threatened, and the safety accident caused by the mistaken switch-on happens occasionally, therefore, the safety nameplate suitable for being used in a small space is designed to be very necessary.
Disclosure of Invention
The invention aims to solve the problems that a rope-hanging type safety operation signboard is easy to fall off and a safety accident caused by false switching-on is easy to cause, and provides an air switch safety operation signboard and an air switch safety operation method in an electric switch cabinet.
The air switch safety operation signboard in the electrical switch cabinet comprises a vertical plate 1, an upper arc plate 2, a lower supporting plate 3 and an electrical control box 4; the vertical plate 1, the upper arc plate 2 and the lower supporting plate 3 form a U-shaped structure and are clamped on the air switch, the upper arc plate 2 has a downward radian, and the upper arc plate 2 is connected with the vertical plate 1 through an elastic component 7; the upper surface of the lower supporting plate 3 is provided with a micro-motion type travel switch SQ which is a normally closed type;
the front end face of the vertical plate 1 is provided with a character warning area, a work indicator light LED1 and an alarm indicator light LED2, the rear end face of the vertical plate 1 is provided with an electric control box 4, and the electric control box 4 comprises a field control unit;
the field control unit comprises a direct current power supply E, a start button SB1, a stop button SB2, an intermediate relay KA1, an electric delay relay KT1, an NE555 time base integrated circuit, an electrolytic capacitor C1, a capacitor C2, a diode D1, a slide rheostat Rp and a loudspeaker BL,
the starting button SB1, the stopping button SB2, the coil of the intermediate relay KA1 and the coil of the power-on delay relay KT1 are connected in series to form a1 st branch, and the normally open contact KA1-1 of the intermediate relay KA1 is connected in parallel with two ends of the starting button SB 1;
the normally open contact KA1-2 of the intermediate relay KA1 and the working indicator light LED1 are connected in series to form a2 nd branch circuit;
the 1 st branch and the 2 nd branch are connected in parallel at two ends of a direct current power supply E;
the positive electrode of a direct-current power supply E is connected with one end of a normally open contact of an electric delay relay KT1, and the other end of the normally open contact of an electric delay relay KT1 is simultaneously connected with one end of a slide rheostat Rp, the cathode of a diode D1 and 4 pins and 8 pins of an NE555 time-base integrated circuit; the 6 feet and the 2 feet of the NE555 time base integrated circuit are simultaneously connected with the other end of the slide rheostat Rp, the anode of the diode D1, the anode of the electrolytic capacitor C1 and one end of the inching type travel switch SQ, the 5 feet of the NE555 time base integrated circuit are connected with one end of the capacitor C2, and the 3 feet of the NE555 time base integrated circuit are simultaneously connected with the anode of the alarm indicator light LED2 and the positive power supply access end of the loudspeaker BL;
the negative electrode of the direct current power supply E is simultaneously connected with the other end of the inching type travel switch SQ, the negative electrode of the electrolytic capacitor C1, the other end of the capacitor C2, the pin 1 of the NE555 time-base integrated circuit, the cathode of the alarm indicator light LED2 and the negative power supply access end of the loudspeaker BL.
Preferably, the lower supporting plate 3 is provided with a limiting part 3-1 for limiting the relative position of the nameplate and the air switch, the limiting part 3-1 is realized by bending the lower supporting plate 3, the lower supporting plate 3 is divided into two parts by taking the bending part as a boundary, and the micro-motion type travel switch SQ is arranged at the part far away from the vertical plate 1.
Preferably, a remote notification unit is also included in the electrical control box 4; the remote notification unit comprises an intermediate relay KA2, a single chip microcomputer, a power switch control unit, an alarm notification instruction generation unit and a communication module;
the output end of the power switch control unit is connected with the power input end of the singlechip; a normally open contact KA1-3 of the intermediate relay KA1 is used as a power switch control unit, and two ends of a normally open contact KA1-3 of the intermediate relay KA1 are respectively connected with the anode of a direct-current power supply E and the power input end of the single chip microcomputer;
the alarm instruction output end of the alarm notification instruction generating unit is connected with the alarm instruction input end of the singlechip; two ends of a coil of the intermediate relay KA2 are respectively connected with a pin 3 of the NE555 time-base integrated circuit and the negative electrode of the direct-current power supply E; a normally open contact of the intermediate relay KA2 is used as an alarm notification instruction generating unit, and two ends of the normally open contact of the intermediate relay KA2 are respectively connected with the anode of the direct current power supply E and the alarm instruction input end of the single chip microcomputer;
the single chip microcomputer sends the alarm instruction to the mobile phone of the operator through the communication module.
Preferably, the remote notification unit further comprises a manual calling instruction generation unit, and a calling instruction output end of the manual calling instruction generation unit is connected with a calling instruction input end of the single chip microcomputer; the call button SB3 with normally open contact is as artifical call instruction generating element, and call button SB3 sets up at the preceding terminal surface of riser 1, and the call button SB3 both ends are connected direct current power supply E's positive pole and the call instruction input of singlechip respectively, and the singlechip passes through communication module with artifical call instruction transmission to operator's cell-phone.
Preferably, the front end face of the vertical plate 1 is further provided with a display screen 5, and the electric control box 4 further comprises a USB interface circuit, a USB interface 6 and a storage unit;
the external equipment is connected with the external instruction input end of the single chip microcomputer through the USB interface 6 and the USB interface circuit, the operator information is written into the storage unit, the job number or name of the operator is displayed through the display screen, and the operator information comprises the job number, the name and the mobile phone number of the operator.
Preferably, the lower surface of the upper arc plate 2 is provided with a rubber layer.
Preferably, the work light LED1 is a green light and the warning light LED2 is a red light.
The invention also provides another technical scheme: a method is realized based on a sign board for safety operation of an air switch in an electrical switch cabinet, and the method comprises the following steps:
step one, pressing a starting button SB 1;
a work indicator light LED1 on the front end face of the safety operation signboard is on, and an operation manual number or name is displayed on a display screen;
step two, clamping the safety operation nameplate on an air switch;
the micro-motion type travel switch SQ is pressed by the lower end face of the air switch, and a normally closed contact of the micro-motion type travel switch SQ is disconnected;
step three, the normally open contact of the electricity-obtaining delay relay KT1 is closed in a delay mode, and a working power supply is provided for the field alarm unit;
and step four, if the safety operation nameplate is taken down, the micro-motion type travel switch SQ is closed again, the field alarm unit is triggered to carry out acousto-optic alarm, and meanwhile, the remote notification unit is triggered to send an alarm instruction to the mobile phone of the operator.
Preferably, a manual calling step is further included after the third step:
and pressing a call button to trigger the remote notification unit to send a manual call instruction to the mobile phone of the operator.
Preferably, the method further comprises the step of information verification: when the external equipment writes or modifies the information of the operator into the storage unit, the password needs to be input for verification, and when the error times of inputting the password exceed 3 times, the position information of the safety operation signboard is remotely sent to the mobile phone of the operator.
The invention has the beneficial effects that: the safety operation signboard of the invention not only has small volume and convenient installation and use, but also can intelligently complete operations such as on-site alarm, remote notification and the like, thus greatly improving the safety and intelligence of the signboard, and specifically comprises the following steps:
1. the volume is small and exquisite, is fit for being used for this kind of little space of electrical switchgear.
2. Go up and be connected through elastomeric element between arc board and the riser, the tablet centre gripping height is marked in the regulation of arc board on the accessible to adapt to not unidimensional air switch.
3. When the tablet is marked in the installation use, break the upper arc board off with the fingers and thumb, make the spacing portion and the air switch laminating of bottom plate simultaneously, loosen the installation that the tablet can easily be marked in the completion of upper arc board, the rubber layer that the lower surface of upper arc board set up can increase marks the coefficient of friction between tablet and the air switch, prevents to mark the tablet and drops.
3. In case take place other personnel to mark the tablet with the safety work and take off by mistake, the mistake hits the circumstances such as fall to the electric switch cabinet scene, the installation marks the operation people of tablet and can obtain information the very first time to ensure safety. And on-the-spot staff also can realize the wrong action of oneself because of audible and visual alarm, in time remedy, compare and hang rope formula tablet and drop unmanned the noticing and want factor of safety a lot height.
4. When the work that other personnel in the electric switch cabinet scene need carry out involves the air switch that is hung the tablet, can find this operating personnel through the operating personnel information that shows on the tablet, also can call back the operating personnel on the scene through pressing call button and negotiate.
5. The safety operation nameplate is special for a specially-assigned person, the manual number or name of an operator displayed on the safety operation nameplate can be input and modified through external equipment (such as a computer), but the password needs to be verified, so that the operation nameplate can be effectively prevented from being taken away by other people for use.
Drawings
FIG. 1 is a schematic structural diagram of a conventional electrical switchgear;
FIG. 2 is a schematic structural view of an air switch;
FIG. 3 is a schematic structural view of an air switch mounted with the air switch safety operation signboard of the electrical switchgear of the present invention;
FIG. 4 is a schematic perspective view of an air switch safety operation signboard of the electrical switch cabinet of the present invention;
FIG. 5 is a side view of an air switch safety operation sign in the electrical switchgear of the present invention;
FIG. 6 is a rear elevational view of the air switch safety operation nameplate of the electrical switchgear of the present invention;
FIG. 7 is a front elevational view of an air switch safety operation sign in the electrical switchgear of the present invention;
FIG. 8 is a schematic circuit diagram of the air switch safety operation nameplate of the electrical switchgear of the present invention;
fig. 9 is a control block diagram of the air switch safety operation signboard in the electrical switch cabinet of the present invention.
Detailed Description
The first embodiment is as follows: the following describes the present embodiment with reference to fig. 3 to 8, and the air switch safety operation signboard in the electrical switch cabinet of the present embodiment includes a vertical plate 1, an upper arc plate 2, a lower supporting plate 3 and an electrical control box 4; the vertical plate 1, the upper arc plate 2 and the lower supporting plate 3 form a U-shaped structure and are clamped on the air switch, the upper arc plate 2 has a downward radian, and the upper arc plate 2 is connected with the vertical plate 1 through an elastic component 7; the upper surface of the lower supporting plate 3 is provided with a micro-motion type travel switch SQ which is a normally closed type;
the front end face of the vertical plate 1 is provided with a character warning area, a work indicator light LED1 and an alarm indicator light LED2, the rear end face of the vertical plate 1 is provided with an electric control box 4, and the electric control box 4 comprises a field control unit;
the field control unit comprises a direct-current power supply E, a start button SB1, a stop button SB2, an intermediate relay KA1, an electricity-obtaining delay relay KT1, an NE555 time-base integrated circuit, an electrolytic capacitor C1, a capacitor C2, a diode D1, a sliding rheostat Rp and a loudspeaker BL, wherein the direct-current power supply E adopts a button lithium battery.
The starting button SB1, the stopping button SB2, the coil of the intermediate relay KA1 and the coil of the power-on delay relay KT1 are connected in series to form a1 st branch, and the normally open contact KA1-1 of the intermediate relay KA1 is connected in parallel with two ends of the starting button SB 1;
the normally open contact KA1-2 of the intermediate relay KA1 and the working indicator light LED1 are connected in series to form a2 nd branch circuit;
the 1 st branch and the 2 nd branch are connected in parallel at two ends of a direct current power supply E;
the positive electrode of a direct-current power supply E is connected with one end of a normally open contact of an electric delay relay KT1, and the other end of the normally open contact of an electric delay relay KT1 is simultaneously connected with one end of a slide rheostat Rp, the cathode of a diode D1 and 4 pins and 8 pins of an NE555 time-base integrated circuit; the 6 feet and the 2 feet of the NE555 time base integrated circuit are simultaneously connected with the other end of the slide rheostat Rp, the anode of the diode D1, the anode of the electrolytic capacitor C1 and one end of the inching type travel switch SQ, the 5 feet of the NE555 time base integrated circuit are connected with one end of the capacitor C2, and the 3 feet of the NE555 time base integrated circuit are simultaneously connected with the anode of the alarm indicator light LED2 and the positive power supply access end of the loudspeaker BL;
the negative electrode of the direct current power supply E is simultaneously connected with the other end of the inching type travel switch SQ, the negative electrode of the electrolytic capacitor C1, the other end of the capacitor C2, the pin 1 of the NE555 time-base integrated circuit, the cathode of the alarm indicator light LED2 and the negative power supply access end of the loudspeaker BL.
The lower supporting plate 3 is provided with a limiting part 3-1 for limiting the relative position of the nameplate and the air switch, the limiting part 3-1 is realized by bending the lower supporting plate 3, the lower supporting plate 3 is divided into two parts by taking the bent part as a boundary line, the two parts are in a step shape, and the micro-motion type travel switch SQ is arranged on the upper surface of a low-level step far away from the vertical plate 1.
The lower surface of the upper arc plate 2 is provided with a rubber layer.
The work indicator light LED1 is green light, and the alarm indicator light LED2 is red light.
The working principle is as follows:
firstly, a starting button SB1 on the rear end face of the vertical plate 1 is pressed.
Installing a safety operation signboard: the upper arc plate 2 is broken off, meanwhile, the limiting part 3-1 of the lower supporting plate 3 is attached to the lower corner of the front end of the air switch, the upper arc plate 2 is loosened, the safety operation marking plate can be easily installed, the rubber layer arranged on the lower surface of the upper arc plate can increase the friction coefficient between the marking plate and the air switch, and the marking plate is prevented from falling. Because go up and connect through elastomeric element 7 between arc 2 and the riser 1, the accessible is broken off with the fingers and thumb and is gone up arc 2 and realize adjusting and mark tablet centre gripping height to adapt to the air switch of not unidimensional.
After the safety operation indicating plate is installed, the start button SB1 and the stop button SB2 which are positioned on the rear end face of the vertical plate 1 cannot be pressed by people to finish the work, the safety operation indicating plate cannot be contacted unless being taken down, and the design is to prevent other people from stopping the field alarm and remote notification work of the indicating plate at will.
Referring to fig. 8, after the start button SB1 is pressed, the coil of the intermediate relay KA1 is energized, the normally open contact KA1-1 is closed and self-locked, so that the 1 st branch is continuously in a passage state, the 1 st branch is powered off unless the stop button SB2 is pressed, and meanwhile, the normally open contact KA1-2 is closed, the working indicator light LED1 lights a green light to indicate that the signboard is currently in a working state of "working", so as to prompt that the switching state of the air switch under the current signboard is not to be changed.
After the start button SB1 is pressed, the time delay relay KT1 coil that gets electric also gets electric simultaneously, and its normally open contact is not closed immediately, but delay 3 ~ 5 seconds, can accomplish in this section of time of delay and mark the operation of tablet card on air switch. When the normally open contact of the power-on time-delay relay KT1 is closed, the on-site alarm unit formed by the NE555 and surrounding elements obtains a working power supply to start working.
Before the nameplate is installed, a micro-motion type travel switch SQ arranged on the upper surface of the lower supporting plate 3 is in a closed state, and no working power supply is provided for the NE555 immediately after the SB1 is pressed, so that the field alarm unit cannot be triggered to work even if the SQ is closed, the nameplate is clamped on the air switch in a gap of the NE555 working power supply, the installed micro-motion type travel switch SQ is pressed by the lower end face of the air switch, the state of the micro-motion type travel switch SQ is changed from closed to open, the voltage of the NE555 pin 2 and the NE pin 6 is the charging voltage of an electrolytic capacitor C1, 2/3 exceeding the working voltage of the NE555 pin, the NE555 pin 3 outputs low level, and field alarm is not carried out.
In the tablet use of marking, if someone will mark the tablet and take off, then SQ is no longer by the pressfitting, its state is recovered to be closed by the disconnection, 2 feet of NE555 are pulled to the low level rapidly, the inside upset of NE555, 3 feet output high level, then warning indicator LED2 bright red light, speaker BL rings, carry out on-the-spot audible and visual alarm, remind the people who gets to mark the tablet will mark the tablet card and return on the air switch, even if because the staff is not intentional, it hits the tablet only to mark the mistake, on-the-spot alarm this moment also can effectual warning, improve the factor of safety of operation.
The safety work that this embodiment provided marks the tablet is provided with characters warning area at 1 preceding terminal surface of riser, and the printing has "someone works, forbids closing a floodgate" word appearance, and simultaneously, the safety work that this embodiment provided marks the tablet and only has characters warning area, still has the warning function, marks the tablet when the safety work and is taken off, and the air switch of its protection has the change switching state, in time carries out audible and visual alarm when probably threatening the life safety of relevant operation life, increases substantially factor of safety.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 9, and the present embodiment further describes the first embodiment, in which the electrical control box 4 further includes a remote notification unit; the remote notification unit comprises an intermediate relay KA2, a single chip microcomputer, a power switch control unit, an alarm notification instruction generation unit and a communication module;
the output end of the power switch control unit is connected with the power input end of the singlechip; a normally open contact KA1-3 of the intermediate relay KA1 is used as a power switch control unit, and two ends of a normally open contact KA1-3 of the intermediate relay KA1 are respectively connected with the anode of a direct-current power supply E and the power input end of the single chip microcomputer;
the alarm instruction output end of the alarm notification instruction generating unit is connected with the alarm instruction input end of the singlechip; two ends of a coil of the intermediate relay KA2 are respectively connected with a pin 3 of the NE555 time-base integrated circuit and the negative electrode of the direct-current power supply E; a normally open contact of the intermediate relay KA2 is used as an alarm notification instruction generating unit, and two ends of the normally open contact of the intermediate relay KA2 are respectively connected with the anode of the direct current power supply E and the alarm instruction input end of the single chip microcomputer;
the single chip microcomputer sends the alarm instruction to the mobile phone of the operator through the communication module.
This embodiment provides remote notification operator's scheme, even if the operator has the condition that certain distance can't in time obtain on-the-spot alarm information from the electrical switchgear, also can learn the state of sign board very first time through remote notification and be changed by the people like this.
In the first embodiment, when the signboard is taken down, the on-site alarm unit is started, the 3 feet of the NE555 output high level, which also becomes the trigger condition of the remote notification unit, the intermediate relay KA2 coil is connected in parallel between the 3 feet of the NE555 and the power negative electrode, when the 3 feet of the NE555 output high level, the intermediate relay KA2 coil is powered on, the normally open contact of the intermediate relay KA2 is closed, an alarm notification instruction is generated and sent to the single chip microcomputer, after the single chip microcomputer receives the instruction, the alarm information of the signboard is remotely sent to the mobile phone of the operator through the communication module, the sending mode can be short message or dialing the mobile phone number of the operator, so that the operator can immediately know the condition of the side of the electrical switch cabinet, and personal safety of the operator is guaranteed.
Due to the arrangement of the mode, an operator can acquire the taken-off alarm information of the signboard at the first time, and the problem that life safety is threatened due to mistaken closing by people is avoided.
The third concrete implementation mode: in the first embodiment, the remote notification unit further comprises a manual call instruction generation unit, wherein a call instruction output end of the manual call instruction generation unit is connected with a call instruction input end of the singlechip; the call button SB3 with normally open contact is as artifical call instruction generating element, and call button SB3 sets up at the preceding terminal surface of riser 1, and the call button SB3 both ends are connected direct current power supply E's positive pole and the call instruction input of singlechip respectively, and the singlechip passes through communication module with artifical call instruction transmission to operator's cell-phone.
Because the electric switch cabinet space is limited, each part installation is compacter, when the operating personnel of maintenance will mark the tablet to install the safety and leave on air switch, go to maintain relevant electrical equipment, if there are other staff to do other work to electric switch cabinet this moment, probably involve the air switch who is marked the tablet protection, then, just can contact the operating personnel through pressing the call button of riser 1 front end face, be unlikely to appear can not find the condition that the people delays work, saving operating time cost.
The call button SB3 of normally open contact is pressed, changes the off-state into the on-state, sends a pulse signal as the call instruction for the singlechip, and the singlechip is after receiving this instruction, accomplishes the notice to the operating personnel through communication module, and the mode of informing can be the SMS, also can dial the operating personnel cell-phone number, and is very convenient. The operator can return to the electrical switchgear position for the first time as soon as the operator receives the message.
The fourth concrete implementation mode: in the first embodiment, the front end surface of the vertical plate 1 is further provided with a display screen 5, and the electrical control box 4 further comprises a USB interface circuit, a USB interface 6 and a storage unit;
the external equipment is connected with the external instruction input end of the single chip microcomputer through the USB interface 6 and the USB interface circuit, the operator information is written into the storage unit, the job number or name of the operator is displayed through the display screen, and the operator information comprises the job number, the name and the mobile phone number of the operator.
This embodiment increases the little display screen that shows operator's information at the front end of marking the tablet, and other staff can learn the current installation and mark the specific operator of tablet to contact with it.
The information that shows on the display screen is that external equipment (for example the computer) writes into through the U mouth, and the staff of every maintenance can all possess a plurality of special own small and exquisite, U type fastener formula safety work and mark the tablet like this, makes work efficiency increase substantially.
The fifth concrete implementation mode: the method of the embodiment is implemented based on the air switch safety operation signboard in the electric switch cabinet of the first to fourth embodiments, and the method comprises the following steps:
step one, pressing a starting button SB 1;
a work indicator light LED1 on the front end face of the safety operation signboard is on, and an operation manual number or name is displayed on a display screen;
in the same unit, the job number of each staff is unique, the job number can be directly corresponding to a specific operator by displaying the job number, the information can be more direct by displaying the name, and other staff can more quickly know which staff operates the current air switch after seeing the information.
Step two, clamping the safety operation nameplate on an air switch;
the micro-motion type travel switch SQ is pressed by the lower end face of the air switch, and a normally closed contact of the micro-motion type travel switch SQ is disconnected;
step three, the normally open contact of the electricity-obtaining delay relay KT1 is closed in a delay mode, and a working power supply is provided for the field alarm unit;
and step four, if the safety operation nameplate is taken down, the micro-motion type travel switch SQ is closed again, the field alarm unit is triggered to carry out acousto-optic alarm, and meanwhile, the remote notification unit is triggered to send an alarm instruction to the mobile phone of the operator.
And step three, further comprising a manual calling step:
and pressing a call button to trigger the remote notification unit to send a manual call instruction to the mobile phone of the operator.
Further comprising an information verification step: when the external equipment writes or modifies the information of the operator into the storage unit, the password needs to be input for verification, and when the error times of inputting the password exceed 3 times, the position information of the safety operation signboard is remotely sent to the mobile phone of the operator.
The verification step is set to prevent other people from stealing the nameplate, so that the nameplate of other people cannot modify the information of the operator and can expose the position of the nameplate, and the position information is provided by the GPS positioning module.
Claims (10)
1. The air switch safety operation signboard in the electric switch cabinet is characterized by comprising a vertical plate (1), an upper arc plate (2), a lower supporting plate (3) and an electric control box (4); the vertical plate (1), the upper arc plate (2) and the lower supporting plate (3) form a U-shaped structure and are clamped on the air switch, the upper arc plate (2) has a downward radian, and the upper arc plate (2) is connected with the vertical plate (1) through an elastic component (7); the upper surface of the lower supporting plate (3) is provided with a micro-motion type travel switch SQ which is a normally closed type;
the front end face of the vertical plate (1) is provided with a character warning area, a work indicator light LED1 and an alarm indicator light LED2, the rear end face of the vertical plate (1) is provided with an electric control box (4), and the electric control box (4) comprises a field control unit;
the field control unit comprises a direct current power supply E, a start button SB1, a stop button SB2, an intermediate relay KA1, an electric delay relay KT1, an NE555 time base integrated circuit, an electrolytic capacitor C1, a capacitor C2, a diode D1, a slide rheostat Rp and a loudspeaker BL,
the starting button SB1, the stopping button SB2, the coil of the intermediate relay KA1 and the coil of the power-on delay relay KT1 are connected in series to form a1 st branch, and the normally open contact KA1-1 of the intermediate relay KA1 is connected in parallel with two ends of the starting button SB 1;
the normally open contact KA1-2 of the intermediate relay KA1 and the working indicator light LED1 are connected in series to form a2 nd branch circuit;
the 1 st branch and the 2 nd branch are connected in parallel at two ends of a direct current power supply E;
the positive electrode of a direct-current power supply E is connected with one end of a normally open contact of an electric delay relay KT1, and the other end of the normally open contact of an electric delay relay KT1 is simultaneously connected with one end of a slide rheostat Rp, the cathode of a diode D1 and 4 pins and 8 pins of an NE555 time-base integrated circuit; the 6 feet and the 2 feet of the NE555 time base integrated circuit are simultaneously connected with the other end of the slide rheostat Rp, the anode of the diode D1, the anode of the electrolytic capacitor C1 and one end of the inching type travel switch SQ, the 5 feet of the NE555 time base integrated circuit are connected with one end of the capacitor C2, and the 3 feet of the NE555 time base integrated circuit are simultaneously connected with the anode of the alarm indicator light LED2 and the positive power supply access end of the loudspeaker BL;
the negative electrode of the direct current power supply E is simultaneously connected with the other end of the inching type travel switch SQ, the negative electrode of the electrolytic capacitor C1, the other end of the capacitor C2, the pin 1 of the NE555 time-base integrated circuit, the cathode of the alarm indicator light LED2 and the negative power supply access end of the loudspeaker BL.
2. The air switch safety operation signboard in an electric switch cabinet according to claim 1, wherein the lower supporting plate (3) is provided with a limiting portion (3-1) for limiting the relative position of the signboard and the air switch, the limiting portion (3-1) is realized by bending the lower supporting plate (3), the lower supporting plate (3) is divided into two parts by taking the bending position as a boundary, and the micro-motion type travel switch SQ is arranged at a part far away from the vertical plate (1).
3. An air switch safety operation signboard in an electrical switch cabinet according to claim 1, wherein the electrical control box (4) further comprises a remote notification unit therein; the remote notification unit comprises an intermediate relay KA2, a single chip microcomputer, a power switch control unit, an alarm notification instruction generation unit and a communication module;
the output end of the power switch control unit is connected with the power input end of the singlechip; a normally open contact KA1-3 of the intermediate relay KA1 is used as a power switch control unit, and two ends of a normally open contact KA1-3 of the intermediate relay KA1 are respectively connected with the anode of a direct-current power supply E and the power input end of the single chip microcomputer;
the alarm instruction output end of the alarm notification instruction generating unit is connected with the alarm instruction input end of the singlechip; two ends of a coil of the intermediate relay KA2 are respectively connected with a pin 3 of the NE555 time-base integrated circuit and the negative electrode of the direct-current power supply E; a normally open contact of the intermediate relay KA2 is used as an alarm notification instruction generating unit, and two ends of the normally open contact of the intermediate relay KA2 are respectively connected with the anode of the direct current power supply E and the alarm instruction input end of the single chip microcomputer;
the single chip microcomputer sends the alarm instruction to the mobile phone of the operator through the communication module.
4. The air switch safety operation signboard in an electrical switch cabinet as claimed in claim 3, wherein the remote notification unit further comprises a manual call instruction generation unit, a call instruction output end of the manual call instruction generation unit is connected with a call instruction input end of the single chip microcomputer; the call button SB3 with normally open contact is used as a manual call instruction generating unit, the call button SB3 is arranged on the front end face of the vertical plate (1), two ends of the call button SB3 are respectively connected with the anode of the direct current power supply E and the call instruction input end of the single chip microcomputer, and the single chip microcomputer sends a manual call instruction to the mobile phone of an operator through the communication module.
5. The air switch safety operation signboard in the electrical switch cabinet according to claim 4 is characterized in that the front end surface of the vertical plate (1) is further provided with a display screen (5), and the electrical control box (4) further comprises a USB interface circuit, a USB interface (6) and a storage unit;
the external equipment is connected with the external instruction input end of the single chip microcomputer through a USB interface (6) and a USB interface circuit, the operator information is written into the storage unit, the job number or name of the operator is displayed through the display screen, and the operator information comprises the job number, the name and the mobile phone number of the operator.
6. The air switch safety operation signboard in an electrical switch cabinet as claimed in claim 1, wherein the lower surface of the upper arc plate (2) is provided with a rubber layer.
7. An air switch safety operation signboard in an electrical switch cabinet as claimed in claim 1 wherein the operation indicator light LED1 is a green light and the alarm indicator light LED2 is a red light.
8. A method implemented on the basis of the nameplate for the safe operation of the air switch in the electrical switchgear cabinet as claimed in claim 4 or 5, characterized in that the method comprises the following steps:
step one, pressing a starting button SB 1;
a work indicator light LED1 on the front end face of the safety operation signboard is on, and an operation manual number or name is displayed on a display screen;
step two, clamping the safety operation nameplate on an air switch;
the micro-motion type travel switch SQ is pressed by the lower end face of the air switch, and a normally closed contact of the micro-motion type travel switch SQ is disconnected;
step three, the normally open contact of the electricity-obtaining delay relay KT1 is closed in a delay mode, and a working power supply is provided for the field alarm unit;
and step four, if the safety operation nameplate is taken down, the micro-motion type travel switch SQ is closed again, the field alarm unit is triggered to carry out acousto-optic alarm, and meanwhile, the remote notification unit is triggered to send an alarm instruction to the mobile phone of the operator.
9. The method of claim 8, further comprising a manual calling step after step three:
and pressing a call button to trigger the remote notification unit to send a manual call instruction to the mobile phone of the operator.
10. The method of claim 8, further comprising the information verification step of: when the external equipment writes or modifies the information of the operator into the storage unit, the password needs to be input for verification, and when the error times of inputting the password exceed 3 times, the position information of the safety operation signboard is remotely sent to the mobile phone of the operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011589245.4A CN112634554A (en) | 2020-12-28 | 2020-12-28 | Air switch safety operation signboard in electrical switch cabinet and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011589245.4A CN112634554A (en) | 2020-12-28 | 2020-12-28 | Air switch safety operation signboard in electrical switch cabinet and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112634554A true CN112634554A (en) | 2021-04-09 |
Family
ID=75286232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011589245.4A Pending CN112634554A (en) | 2020-12-28 | 2020-12-28 | Air switch safety operation signboard in electrical switch cabinet and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112634554A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201087869Y (en) * | 2007-04-11 | 2008-07-16 | 柳青 | Stay-away alarm for medical use |
| CN203232647U (en) * | 2013-03-08 | 2013-10-09 | 沧州供电公司 | Secondary air-switch misoperation-preventing clamp of transformer substation |
| CN204257540U (en) * | 2014-10-28 | 2015-04-08 | 沈铁志 | A kind of small air breaker misoperation-preventing touches protective cover |
| CN204857114U (en) * | 2015-06-29 | 2015-12-09 | 国网山东省电力公司淄博供电公司 | Maloperation warning cover is prevented to empty opening of transformer substation's protection screen secondary |
| CN108571461A (en) * | 2018-05-31 | 2018-09-25 | 河南森源电气股份有限公司 | Fan controller, blower fan system and frequency convertor system |
| CN108898939A (en) * | 2018-08-20 | 2018-11-27 | 广东电网有限责任公司 | A kind of air switch indication device |
| CN209072469U (en) * | 2018-09-28 | 2019-07-05 | 祈晫集团有限责任公司 | A kind of hand-held intercommunication terminal of elevator maintenance staff |
| CN209912123U (en) * | 2019-05-05 | 2020-01-07 | 龙飞彪 | Intelligent operation safety protection warning sign device |
| CN111600513A (en) * | 2020-06-23 | 2020-08-28 | 安徽华茂纺织股份有限公司 | Startup control circuit with acousto-optic early warning function |
-
2020
- 2020-12-28 CN CN202011589245.4A patent/CN112634554A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201087869Y (en) * | 2007-04-11 | 2008-07-16 | 柳青 | Stay-away alarm for medical use |
| CN203232647U (en) * | 2013-03-08 | 2013-10-09 | 沧州供电公司 | Secondary air-switch misoperation-preventing clamp of transformer substation |
| CN204257540U (en) * | 2014-10-28 | 2015-04-08 | 沈铁志 | A kind of small air breaker misoperation-preventing touches protective cover |
| CN204857114U (en) * | 2015-06-29 | 2015-12-09 | 国网山东省电力公司淄博供电公司 | Maloperation warning cover is prevented to empty opening of transformer substation's protection screen secondary |
| CN108571461A (en) * | 2018-05-31 | 2018-09-25 | 河南森源电气股份有限公司 | Fan controller, blower fan system and frequency convertor system |
| CN108898939A (en) * | 2018-08-20 | 2018-11-27 | 广东电网有限责任公司 | A kind of air switch indication device |
| CN209072469U (en) * | 2018-09-28 | 2019-07-05 | 祈晫集团有限责任公司 | A kind of hand-held intercommunication terminal of elevator maintenance staff |
| CN209912123U (en) * | 2019-05-05 | 2020-01-07 | 龙飞彪 | Intelligent operation safety protection warning sign device |
| CN111600513A (en) * | 2020-06-23 | 2020-08-28 | 安徽华茂纺织股份有限公司 | Startup control circuit with acousto-optic early warning function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107680332B (en) | Warning device for preventing misoperation of high-voltage switch cabinet | |
| CN205428111U (en) | Alarm and control system for electric fire prevention with remote control function | |
| CN1670536A (en) | Lightning stroke detection and warning system | |
| CN112634554A (en) | Air switch safety operation signboard in electrical switch cabinet and method | |
| JP6053239B1 (en) | Signage equipment | |
| CN105098995A (en) | Switch state monitoring device in transformer substation cabinet | |
| CN105277775A (en) | Power device state identification board | |
| CN212229460U (en) | Electric power cloud platform monitoring device | |
| CN211015788U (en) | Visual single-machine circuit of secondary screen cabinet alarm signal of transformer substation | |
| CN213458541U (en) | Real device of instructing of electrical control technique | |
| CN205595640U (en) | Switch board with auto -power -off protect function | |
| CN205017100U (en) | Switch condition monitoring device in transformer substation's cabinet | |
| CN203705898U (en) | Safety management and control auxiliary system of high voltage test site | |
| CN104217871A (en) | Multifunctional isolating switch | |
| CN210428532U (en) | Power consumption customer service terminal | |
| CN102043317A (en) | Projector and anti-theft safety system for same | |
| CN111864899A (en) | Five-prevention locking system | |
| CN209928936U (en) | High-voltage switch cabinet marking device for preventing wrong interval | |
| CN2457772Y (en) | Over temperature alarm for power supply equipment | |
| CN215796647U (en) | Protective device of adhesive tape machine | |
| CN218004296U (en) | Outdoor multipurpose signboard | |
| CN210326697U (en) | Medium-voltage distribution line state indicating system | |
| CN205582192U (en) | State suggestion device and equipment | |
| CN215071610U (en) | Automatic isolation alarm device for low-voltage line fault of distribution transformer | |
| CN208572521U (en) | Beacon monitoring device and beacon system |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |