CN218867977U - Real-time online monitoring protection pressing plate - Google Patents
Real-time online monitoring protection pressing plate Download PDFInfo
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- CN218867977U CN218867977U CN202222602921.8U CN202222602921U CN218867977U CN 218867977 U CN218867977 U CN 218867977U CN 202222602921 U CN202222602921 U CN 202222602921U CN 218867977 U CN218867977 U CN 218867977U
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- pressing plate
- panel
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- clamp plate
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 50
- 230000001681 protective effect Effects 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 14
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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Abstract
The utility model provides a real-time on-line monitoring protection clamp plate, which comprises a panel, a pedestal, binding post, wherein a set of main contact and a set of auxiliary contact are installed to the panel below, the panel center is provided with the pivot, the inside wire that buries of panel, be connected with on the wire between the auxiliary contact and protect the clamp plate and throw off the pilot lamp, the base center sets up the shaft hole, the pivot suit at panel center is in the shaft hole, set up on the base and drop into the jack and withdraw from the jack, the jack below that withdraws from that drops into jack and auxiliary contact correspond sets up terminal erection column binding post and passes through the screw thread and install on the terminal erection column. The utility model provides a but real-time on-line monitoring protection clamp plate, normally drop into, withdraw from the back not only can judge the clamp plate position through observing the pilot lamp on the spot, can also be on the control backstage real-time observation protection clamp plate state, when the protection clamp plate withdraws from unusually, the spot clamp plate drops into the pilot lamp and will extinguish, reminds on-the-spot fortune dimension personnel protection clamp plate unusual to fortune dimension personnel in time handle.
Description
Technical Field
The utility model relates to a technical field of power equipment monitoring especially relates to a real-time on-line monitoring protection clamp plate.
Background
The power system is provided with a large number of relay protection and safety automatic devices. And protective pressing plates are arranged in the functional loop and the outlet loop and used for controlling the on-off of the secondary loop during operation and maintenance. After the protection pressing plate is put into operation, the protection pressing plate is always in an input state until the next power failure maintenance, and if the protection pressing plate slightly withdraws due to vibration, mistaken touch and the like in the period, although the protection pressing plate is withdrawn due to the fact that the naked eye cannot see, the relay protection is possibly refused to operate, primary equipment is seriously damaged, and the safe and stable operation of a power grid is influenced. Therefore, a protection pressing plate capable of being monitored on line needs to be designed, and the probability of refusing relay protection caused by mistaken exit of the protection pressing plate is reduced.
At present, after the protection pressing plate is put into use, whether the pressing plate is actually put into use cannot be judged due to the fact that the internal terminal cannot be directly seen. The pressing plate is not operated for a long time after being put into, the risk of mistaken quitting is possibly existed, and if the protection pressing plate is not found in time after quitting due to reasons such as vibration, the primary equipment is operated without protection.
SUMMERY OF THE UTILITY MODEL
After dropping into to the protection clamp plate, because of can't directly seeing inside terminal, can't judge whether really dropping into of clamp plate, the clamp plate drops into the back and is not operating for a long time, probably has the mistake and withdraws from the risk, if can not in time discover after the protection clamp plate withdraws from because of reasons such as vibration, will cause the problem that primary equipment does not have the protection operation, the utility model provides a can the scene judge whether really dropping into the protection clamp plate of real-time on-line monitoring who uses.
The utility model provides a real-time on-line monitoring protection clamp plate, including panel, base, binding post, wherein a set of main contact and a set of auxiliary contact are installed to the panel below, and the panel center is provided with the pivot, and main contact and auxiliary contact all use the pivot to be symmetry axis symmetric distribution, and the inside wire that buries of panel is equipped with, through the wire intercommunication between main contact and the main contact, is connected through the wire between auxiliary contact and the auxiliary contact, is connected with the protection clamp plate on the wire between the auxiliary contact and throws back the pilot lamp.
The base center sets up the shaft hole, and the pivot suit at panel center sets up on the base and drops into the jack and withdraw from the jack in the shaft hole, and through rotating the panel, main contact and auxiliary contact plug bush drop into the jack or withdraw from the jack, drop into the jack and the corresponding withdrawal jack below of auxiliary contact sets up the terminal erection column, set up the external screw thread on the terminal erection column, binding post passes through the screw thread and installs on the terminal erection column.
Furthermore, the protection pressing plate switching indication lamp is a green LED lamp, the LED lamp is high in brightness, low in cost, long in service life and not easy to damage, green light is striking and soft, and operation and maintenance personnel can monitor the lamp on site conveniently.
Furthermore, a transparent insulating shell is clamped at the outer side of the panel, and the panel is protected through the transparent shell and the protection pressing plate is used for turning on and off the indicating lamp.
Furthermore, the protection pressing plate is connected with a monitoring system, the auxiliary contacts are connected with the monitoring system through corresponding wiring terminals, and a sound alarm device is further arranged in the monitoring system.
Furthermore, the sound alarm device adopts a buzzer alarm, so that the cost is low, and the alarm prompt is obvious.
Furthermore, a signal delay device is arranged in the monitoring system, so that false alarm under normal switching or other normal conditions is prevented.
The utility model has the advantages that:
the utility model provides a but real-time on-line monitoring protection clamp plate normally drops into, withdraws from the back and not only can judge the clamp plate position through observing the pilot lamp in situ, can also be on the control backstage real-time supervision protection clamp plate state.
When the protection pressing plate is abnormally withdrawn, the in-situ pressing plate input indicator lamp is turned off, meanwhile, alarm logic is set in the monitoring system, sound and light alarm is given out after 10 seconds of delay, and field operation and maintenance personnel are reminded to abnormally withdraw the protection pressing plate, so that the operation and maintenance personnel can timely handle the protection pressing plate, and the safe and stable operation of primary equipment is ensured.
Compare in current protection clamp plate, real-time on-line monitoring protection clamp plate has following characteristics:
1. a signal indicator lamp is arranged on the panel of the protection pressing plate, so that operation and maintenance personnel can visually observe the on-off state of the protection pressing plate in situ;
2. setting a protection pressing plate input and output uploading monitoring loop, and monitoring the state of the protection pressing plate in real time at a monitoring background;
3. and setting an abnormal exit logic of the protection pressing plate, wherein when the protection pressing plate exits abnormally, the monitoring system gives an audible and visual alarm for 10 seconds, and timely reminds operation and maintenance personnel to handle.
Drawings
Fig. 1 is a schematic diagram of the explosion structure of the present invention.
Fig. 2 is a schematic diagram of the structure of the internal wires of the panel.
Fig. 3 is a schematic perspective view of the present invention.
Fig. 4 is a schematic diagram of the structure of the input and exit states of the present invention.
Fig. 5 is a working principle diagram of the protective pressure plate.
Fig. 6 shows the alarm principle of abnormal exit of the protective pressing plate.
The reference numbers in the figures: the panel 1, the base 2, the wiring terminal 3, the protective pressing plate on-off indicator light 101, the rotating shaft 102, the auxiliary contact 103, the main contact 104, the wire 105, the input jack 201, the exit jack 202, the terminal mounting post 203 and the shell 4.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Example 1: the protection pressing plate is also called a protection connecting sheet or a tripping pressing plate, is a bridge and a link of the protection device which are connected with external wiring, and is related to the function of protection and whether an action outlet can normally play a role.
The utility model provides a real-time on-line monitoring protection clamp plate makes things convenient for the on-the-spot audio-visual judgement protection clamp plate of fortune dimension personnel to drop into the state, and is concrete, as shown in FIG. 1, protection clamp plate includes 3 most for the panel 1 of observation, for the binding post 3 of switch-on electric power, and the base that is used for connecting installation panel 1 and binding post 3.
As shown in fig. 2, the panel 1 is formed by a rectangular plastic insulating block, the center of the panel 1 is provided with a rotating shaft 102, the lower side of the panel is fixed with a main contact 104 and an auxiliary contact 103, the main contact and the auxiliary contact are both a group of two contacts, the two main contacts are symmetrical about the center of the panel and are respectively arranged on two sides of the rotating shaft, the two auxiliary contacts are also symmetrical about the center of the panel, the auxiliary contacts are also respectively arranged on two sides of the rotating shaft, wherein the auxiliary contacts are close to the end of the panel, the main contacts are close to the inner side, that is, the panel is divided into two sections about the rotating shaft, each section is provided with a main contact and an auxiliary contact, the main contacts are arranged on the inner side close to the rotating shaft, and the auxiliary contacts are arranged on the outer side close to the end of the panel.
The main contact and the auxiliary contact are conductor bars made of metal, and generally copper bars are selected for use, so that the conductivity is better. The panel is embedded with a wire 105, as shown in fig. 2, the panel comprises two independent wires, the main contacts and the main contacts on two sides are respectively communicated through the wire, the auxiliary contacts are communicated with the auxiliary contacts, a protection pressing plate switching-on/off indicator lamp is further installed on the wire connected with the auxiliary contacts, and an LED lamp or a light-emitting diode can be selected as the protection pressing plate switching-on/off indicator lamp.
The wire seals to bury inside the panel, sets up the round hole on the panel and is used for protecting the clamp plate to throw the pilot lamp and move back and expose, conveniently observes the monitoring.
The base 2 is matched with the panel 1, a shaft hole is formed in the middle of the base 2 and used for sleeving a rotating shaft in the middle of the panel, and meanwhile, jacks are formed in corresponding positions of the base and used for sleeving and inserting the main contact and the auxiliary contacts on the panel.
Specifically, as shown in fig. 1, a row of four jacks is disposed in the middle of the main body of the base, wherein the jacks near the outer sides of the two ends correspond to the auxiliary contacts, the two jacks near the central axis hole correspond to the main contacts, and the four jacks are the input jacks 201.
Meanwhile, the base extends towards two sides to form a protruding block, the protruding block is provided with an exit jack 202, the exit jack 202 takes the central point of the base as a symmetrical point, two exit jacks are arranged on two sides of the base in a centrosymmetric mode, and the two exit jacks are used for corresponding to the auxiliary contacts on the panel.
The distance from the withdrawing jack to the center of the base is the same as that from the throwing jack to the center of the base, as shown in fig. 4, the panel rotates around the rotating shaft, and the main contact 104 and the auxiliary contact 103 can be switched between the throwing jack 201 and the withdrawing jack 202, so that the throwing and the withdrawing of the protection pressing plate are realized.
The input jacks 201 all extend downwards to form terminal mounting columns 203, the exit jacks 202 corresponding to the auxiliary contacts extend downwards to form the terminal mounting columns 203, external threads are arranged on the terminal mounting columns, and the wiring terminals 3 are mounted on the terminal mounting columns through threads.
The connecting terminal is used for connecting an electric wire so as to connect the protective pressing plate in series into the electric power loop.
The input jack 201 corresponding to the main contact is connected to the main power circuit through the limiting terminal, and the input jack and the exit jack corresponding to the auxiliary contact are respectively connected to the monitoring circuit.
As shown in fig. 5, after the panel is butted with the base, the main contact and the auxiliary contact are respectively butted with corresponding wiring terminals, when the panel is positioned in the input jack, the main contact is communicated with the main power loop, the auxiliary contact is connected with the monitoring loop, so that a protection pressing plate input signal is sent to the monitoring system, meanwhile, because the auxiliary contact is communicated with the monitoring loop, the protection pressing plate input and output indicator lamp 10 connected between the auxiliary contacts is lightened, the protection pressing plate input is prompted on site, and the protection pressing plate input and output indicator lamp 10 is lightened and extinguished, the site operation and maintenance personnel can accurately judge whether the protection pressing plate positioned in the input position is in poor contact, and whether the protection pressing plate is normally input.
When the main contact and the auxiliary contact are switched to the withdrawing jack, the withdrawing jack butted by the main contact is not connected with a wiring terminal, a main power circuit is disconnected, the protection pressing plate is withdrawn, the auxiliary contact is butted with the wiring terminal installed on the withdrawing jack at the moment, the withdrawing monitoring circuit is connected, a protection pressing plate withdrawing signal is sent to the monitoring system, meanwhile, a protection pressing plate throwing-withdrawing indicator lamp 10 on the panel is lightened for on-site prompting, as shown in fig. 4, when the main contact and the auxiliary contact are thrown in and withdrawn, the physical position of the panel is changed, on-site operation and maintenance personnel can accurately judge whether the protection pressing plate is withdrawn, and meanwhile, whether the monitoring circuit is normally connected is judged by the protection pressing plate throwing-withdrawing indicator lamp 10 on the panel.
As shown in fig. 5, when the protection pressing plate is put in, the main contact and the auxiliary contact of the protection pressing plate are put in at the same time, the contact Q1 is closed, the protection pressing plate putting-in and putting-out indicator (LED green) is turned on, meanwhile, a protection pressing plate putting-in signal is sent to the monitoring system, the LED1 indicator is turned on in a monitoring picture, and field operation and maintenance personnel can judge the state of the protection pressing plate by observing the indicator in the field and can also monitor the state of the protection pressing plate on line in real time on the monitoring system.
When the protection pressing plate is withdrawn, the main contact and the auxiliary contact of the protection pressing plate simultaneously reach the withdrawing state, the Q2 contact is closed at the moment, the protection pressing plate throwing-withdrawing indicator (LED green) is lightened, meanwhile, a protection pressing plate withdrawing signal is sent to the monitoring system, the LED2 indicator in a monitoring picture is lightened, and field operation and maintenance personnel can judge the state of the protection pressing plate by observing the indicator in situ and can also monitor the state of the protection pressing plate on the monitoring system in real time on line.
The protection clamp plate can only be in a state (input state or exit state) under normal condition, and when the protection clamp plate normally exited, an operator pulled out the protection clamp plate from the input state and rotated to the exit state, and the time generally does not exceed 5 seconds. When the protection pressing plate is abnormally withdrawn, the input signal of the protection pressing plate is lost, but the protection pressing plate withdrawing signal cannot be sent to the monitoring system, and according to the secondary principle, the protection pressing plate abnormal withdrawing alarm logic is set: and (4) negating the input signal of the protection pressure plate and negating the exit signal of the protection pressure plate, and if the duration time of the state exceeds 10 seconds, monitoring the abnormal exit of the protection pressure plate and giving an alarm.
Example 2: on the basis of embodiment 1, on-the-spot operation and maintenance personnel can't monitor the protection clamp plate state all the time, and after the protection clamp plate withdrawed from, monitored control system can only appear the shift that the protection clamp plate withdrawed from, consequently can also dispose relevant warning to remind operation and maintenance personnel protection clamp plate to withdraw from unusually, increase the buzzer siren in monitored control system for example, when protection clamp plate withdraws from unusually, cooperation protection clamp plate was put on and is withdrawn the pilot lamp and provide audible and visual alarm, remind on-the-spot operation and maintenance personnel protection clamp plate to withdraw from unusually.
The monitored control system is the functional return circuit that has now in the electric power system, and its structure and implementation are prior art, consequently do not do too much detailed description in the utility model discloses in.
Example 3: on the basis of the embodiments 1 and 2, a signal delay device is installed in the monitoring system as shown in fig. 6, and the signal delay device is used for preventing the false alarm of the monitoring system.
The protection clamp plate can only be in a state (input state or exit state) under normal condition, and when the protection clamp plate normally exited, an operator pulled out the protection clamp plate from the input state and rotated to the exit state, and the time generally does not exceed 5 seconds. When the protection pressing plate is abnormally withdrawn, the input signal of the protection pressing plate is lost, but the protection pressing plate withdrawing signal cannot be sent to the monitoring system, and according to a secondary principle, the protection pressing plate is abnormally withdrawn and alarm logic is set: and (4) negating the input signal of the protection pressure plate and negating the exit signal of the protection pressure plate, and if the duration time of the state exceeds 10 seconds, monitoring the abnormal exit of the protection pressure plate and giving an alarm.
Claims (6)
1. A real-time online monitoring protection pressing plate is characterized by comprising a panel (1), a base (2) and a wiring terminal (3), wherein a group of main contacts (104) and a group of auxiliary contacts (103) are installed below the panel (1), a rotating shaft (102) is arranged at the center of the panel (1), the main contacts (104) and the auxiliary contacts (103) are symmetrically distributed by taking the rotating shaft (102) as a symmetry axis, wires (105) are embedded in the panel (1), the main contacts (104) are communicated with the main contacts (104) through the wires (105), the auxiliary contacts (103) are connected with the auxiliary contacts (103) through the wires (105), a protection pressing plate on-off indicator light (101) is connected on the wires (105) between the auxiliary contacts (103),
base (2) center sets up the shaft hole, pivot (102) suit at panel (1) center is in the shaft hole, set up on base (2) and drop into jack (201) and withdraw from jack (202), through rotating panel (1), main contact (104) and auxiliary contact (103) plug bush are dropping into jack (201) or withdraw from jack (202), drop into jack (201) and auxiliary contact (103) and correspond and withdraw from jack (202) below and set up terminal erection column (203), set up the external screw thread on terminal erection column (203), binding post (3) are installed on terminal erection column (203) through the screw thread.
2. The real-time online monitoring protective pressing plate according to claim 1, wherein the protective pressing plate turning-on/off indicator lamp (101) is a green led lamp.
3. The real-time online monitoring protective pressure plate according to claim 1, characterized in that the transparent insulating shell (4) is sleeved outside the panel (1).
4. A real-time on-line monitoring protection pressing plate according to claim 1, characterized in that the protection pressing plate is connected with a monitoring system, the auxiliary contact (103) is connected with the monitoring system through a corresponding connection terminal (3), and an audible alarm device is further arranged in the monitoring system.
5. The real-time online monitoring protective pressing plate according to claim 4, wherein the sound alarm device is a buzzer alarm.
6. The real-time on-line monitoring protective pressing plate according to claim 4 or 5, characterized in that a signal delay device is further arranged in the monitoring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222602921.8U CN218867977U (en) | 2022-09-30 | 2022-09-30 | Real-time online monitoring protection pressing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222602921.8U CN218867977U (en) | 2022-09-30 | 2022-09-30 | Real-time online monitoring protection pressing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218867977U true CN218867977U (en) | 2023-04-14 |
Family
ID=87373479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222602921.8U Active CN218867977U (en) | 2022-09-30 | 2022-09-30 | Real-time online monitoring protection pressing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218867977U (en) |
-
2022
- 2022-09-30 CN CN202222602921.8U patent/CN218867977U/en active Active
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