CN211701478U - Overvoltage that security is good gathers excellent suppression cabinet - Google Patents
Overvoltage that security is good gathers excellent suppression cabinet Download PDFInfo
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- CN211701478U CN211701478U CN201922247875.2U CN201922247875U CN211701478U CN 211701478 U CN211701478 U CN 211701478U CN 201922247875 U CN201922247875 U CN 201922247875U CN 211701478 U CN211701478 U CN 211701478U
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- cabinet
- fixedly connected
- cabinet body
- overvoltage
- bolt
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- 230000001629 suppression Effects 0.000 title claims abstract description 14
- 230000008030 elimination Effects 0.000 claims abstract description 7
- 238000003379 elimination reaction Methods 0.000 claims abstract description 7
- 238000002955 isolation Methods 0.000 claims description 11
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses an overvoltage poly-optimal suppression cabinet with good safety, which comprises a cabinet body, wherein the middle part of the front side of the cabinet body, which is close to the top end, is fixedly connected with a controller through a bolt; the utility model discloses a controller that is equipped with in the cabinet body, intelligent microcomputer device, the electromagnetic lock, high-voltage fuse, voltage transformer, high-voltage current-limiting fuse, overvoltage suppressor and harmonic elimination switch for the cabinet body can be effectual the protection blind spot of the overvoltage protection component and the device that appear in the elimination system, can the overvoltage's of effectual optimization system protection characteristic, thereby implement the protection to each type of system overvoltage, and can effectually match all kinds of overvoltage products and effectual realization to the protection demand of suppression system overvoltage thereby effectually compensatied not enough among the prior art.
Description
Technical Field
The utility model relates to an restrain cabinet technical field, specifically be an overvoltage that security is good gathers excellent and restrains cabinet.
Background
The following overvoltage exists in a 3-35 kV system in China: the operation overvoltage generated in the action process of the circuit breaker, resonance overvoltage generated by a capacitive element and a nonlinear inductor under certain conditions, atmospheric overvoltage generated in lightning strike, arc overvoltage generated in single-phase grounding and the like, at present, a complete protection scheme aiming at the overvoltages is not provided, so accidents such as cable blasting, motor insulation breakdown, lightning arrester explosion, voltage transformer burnout and the like can occur, the reasons for the accidents are related to the performance of an overvoltage protection device installed in a system, the complexity of the system has an important influence on the selection of the overvoltage protection device, for different systems, the type of a system transmission line, the network structure of a transmission and distribution line, the property of a load, the grounding mode of the system and the like need to be considered when the overvoltage protection is selected, the problems can be effectively solved through the suppression cabinet, but the suppression cabinet in the prior art still has a plurality of defects in actual use, for example:
the suppression cabinet in the prior art is difficult to use one or more overvoltage protection devices in an isolated manner to comprehensively suppress various types of system overvoltage, and overvoltage protection products produced by different manufacturers cannot thoroughly and effectively suppress the system overvoltage because the protection characteristics cannot be matched with each other.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an overvoltage that the security is good gathers excellent suppression cabinet to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an overvoltage poly-optimal suppression cabinet with good safety comprises a cabinet body, wherein a controller is fixedly connected to the middle part of the front face of the cabinet body close to the top end through bolts, the cabinet body on one side of the controller is fixedly connected with a voltmeter and a change-over switch through bolts, an electromagnetic lock is fixedly connected to the middle part of the cabinet body below the controller through bolts, a simulation indication board is fixedly connected to the cabinet body above the electromagnetic lock through bolts, an isolation switch operating handle is fixedly connected to the cabinet body on one side of the electromagnetic lock through bolts, an isolation switch is fixedly connected to the middle part of one side of the inner wall of the cabinet body through bolts, a high-voltage fuse is fixedly connected to the inner wall of the cabinet body below the isolation switch through bolts, a voltage transformer is fixedly connected to the lower surface of the inner wall of the cabinet body close to one, the utility model discloses a safe and safe intelligent microcomputer device, including cabinet body, cabinet body inner wall one side middle part is close to one end department and passes through bolt fixedly connected with high voltage current-limiting fuse, cabinet body inner wall lower surface is close to the other end department and passes through bolt fixedly connected with overvoltage suppressor, the cabinet body embeds there is intelligent microcomputer device.
Preferably, one side of the middle part of the front face of the cabinet body is fixedly connected with an auxiliary switch through a bolt, and the auxiliary switch is in electrical signal connection with the change-over switch.
Preferably, the cabinet body below the simulation sign is connected with a hanging plate through bolts, and the hanging plate is used as an installation and fixing device of a nameplate.
Preferably, the isolation disconnecting link is made of a dynamic resistance zinc oxide valve plate.
Preferably, one side of the cabinet body is fixedly connected with an RS interface and an RS interface through bolts.
Preferably, the communication protocol of the cabinet body is standard MODBUS.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a controller that is equipped with in the cabinet body, intelligent microcomputer device, the electromagnetic lock, high-voltage fuse, voltage transformer, high-voltage current-limiting fuse, overvoltage suppressor and harmonic elimination switch for the cabinet body can be effectual the protection blind spot of the overvoltage protection component and the device that appear in the elimination system, can the overvoltage's of effectual optimization system protection characteristic, thereby implement the protection to each type of system overvoltage, and can effectually match all kinds of overvoltage products and effectual realization to the protection demand of suppression system overvoltage thereby effectually compensatied not enough among the prior art.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is the side view structure schematic diagram of the inner wall of the cabinet body of the utility model.
In the figure: 1-a controller; 2-a voltmeter; 3-a transfer switch; 4-an auxiliary switch; 5-simulating a sign; 6, an electromagnetic lock; 7-isolating disconnecting link operating handle; 8-listing; 9-isolation disconnecting link; 10-high voltage fuse; 11-a voltage transformer; 12-a resonance elimination switch; 13-high voltage current limiting fuse; 14-overvoltage suppressor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: an overvoltage poly-optimal suppression cabinet with good safety comprises a cabinet body, wherein an intelligent microcomputer device is arranged in the cabinet body, the front middle part of the cabinet body is close to the top end and is fixedly connected with a controller 1 through a bolt, accidents such as PT disconnection, overvoltage, low voltage, voltage loss, resonance and the like in a system can be accurately judged and processed through the controller 1, the cabinet body on one side of the controller 1 is fixedly connected with a voltmeter 2 and a change-over switch 3 through the bolt, one side of the front middle part of the cabinet body is fixedly connected with an auxiliary switch 4 through the bolt, the auxiliary switch 4 is in electrical signal connection with the change-over switch 3, the middle part of the cabinet body below the controller 1 is fixedly connected with an electromagnetic lock 6 through the bolt, the cabinet body above the electromagnetic lock 6 is fixedly connected with a simulation indication board 5 through the bolt, and the cabinet body below the simulation indication board 5 is, the hanging plate 8 is used as a mounting and fixing device of a nameplate, the cabinet body on one side of the electromagnetic lock 6 is fixedly connected with an isolation switch operating handle 7 through a bolt, the middle part on one side of the inner wall of the cabinet body is fixedly connected with an isolation switch 9 through a bolt, the isolation switch 9 is made of a dynamic resistance zinc oxide valve plate, the residual voltage value can be effectively reduced, a large amount of energy generated in the process of system overvoltage can be eliminated, the self-safety of the device is effectively ensured, meanwhile, the resonance overvoltage, disconnection overvoltage and the like in the system can be effectively eliminated, the cabinet body can be matched with an overvoltage protector, an arc extinguishing device and the like for use, the safety problems of various overvoltage protectors in the system are further improved, the system operation is further optimized, the dead zone of system overvoltage protection can be better eliminated, and the inner wall of the cabinet body below the isolation switch 9 is fixedly connected, the utility model discloses a voltage transformer, including cabinet body inner wall, cabinet body inner wall lower surface, bolt fixedly connected with harmonic elimination switch 12, bolt fixedly connected with high-voltage current-limiting fuse 13, bolt fixedly connected with high voltage current-limiting fuse 13 is close to one end department to cabinet body inner wall lower surface, cabinet body inner wall one side middle part is close to another end department and passes through bolt fixedly connected with overvoltage suppressor 14, can effectual suppression overvoltage peak through overvoltage suppressor 14, bolt fixedly connected with RS485 and RS232 interface are passed through to cabinet body one side, the communication protocol of the cabinet body is standard MODBUS.
The working principle is as follows: when in use, the overvoltage suppressor can effectively smooth the rising front edge of overvoltage and flatten voltage dust peak, and can endure the super energy generated by overvoltage, and can be matched with the protection characteristics of the voltage protector and the arc suppression cabinet, the dead zone of system overvoltage protection can be completely eliminated, meanwhile, when in normal operation, the intelligent microcomputer device in the cabinet body can detect the voltage signal provided by PT in real time, once the phenomena of PT disconnection, overvoltage, undervoltage, low voltage, resonance, arc grounding and the like occur, the intelligent microcomputer device in the cabinet body can realize Fourier analysis by utilizing the high-speed and repeated data processing capability of DS0, and various states of the system can be timely and accurately analyzed by collecting and judging the secondary voltage of the voltage transformer PT, the fault condition of the system can be judged, the fault category can be displayed, and the corresponding switching value contact signal can be output, the intelligent microcomputer device of the PT and overvoltage comprehensive protection device can realize quick action according to different frequencies of system resonance when resonance occurs in the system, and a switching value contact corresponding to a mountain man is output for alarming and quickly realizing liquid crystal display, and meanwhile, the cabinet body is provided with an RS485 interface, is provided with a standard Modbus communication protocol and realizes data remote communication and data transmission with a user microcomputer monitoring system.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An overvoltage that security is good gathers excellent suppression cabinet characterized by includes:
a cabinet body;
the intelligent cabinet is characterized in that a controller (1) is fixedly connected to the middle part of the front face of the cabinet body close to the top end through a bolt, a voltmeter (2) and a change-over switch (3) are fixedly connected to the cabinet body on one side of the controller (1) through a bolt, an electromagnetic lock (6) is fixedly connected to the middle part of the cabinet body below the controller (1) through a bolt, a simulation indication board (5) is fixedly connected to the cabinet body above the electromagnetic lock (6) through a bolt, and an isolation switch operating handle (7) is fixedly connected to the cabinet body on one side of the electromagnetic lock (6) through a bolt;
wherein, switch (9) are kept apart through bolt fixedly connected with in cabinet internal wall one side middle part, keep apart switch (9) below the cabinet internal wall through bolt fixedly connected with high-voltage fuse (10), cabinet internal wall lower surface is close to one end department and has voltage transformer (11) through bolt fixed connection, bolt fixedly connected with harmonic elimination switch (12) are passed through to cabinet internal wall lower surface one end, cabinet internal wall one side middle part is close to one end department and passes through bolt fixedly connected with high-voltage current limiting fuse (13), cabinet internal wall lower surface is close to the other end department and passes through bolt fixedly connected with overvoltage suppressor (14), the internal intelligence microcomputer device that has of cabinet.
2. The overvoltage protection cabinet with good safety according to claim 1, wherein: the cabinet body openly middle part one side is through bolt fixedly connected with auxiliary switch (4), auxiliary switch (4) with change over switch (3) signal of telecommunication is connected.
3. The overvoltage protection cabinet with good safety according to claim 1, wherein: the cabinet body of simulation sign (5) below passes through bolt fixedly connected with and hangs tablet (8), hang tablet (8) and be used for the installation fixing device as the data plate.
4. The overvoltage protection cabinet with good safety according to claim 1, wherein: the isolation disconnecting link (9) is made of a dynamic resistance zinc oxide valve plate.
5. The overvoltage protection cabinet with good safety according to claim 1, wherein: one side of the cabinet body is fixedly connected with an RS485 and RS232 interface through a bolt.
6. The overvoltage protection cabinet with good safety according to claim 1, wherein: the communication protocol of the cabinet body is standard MODBUS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922247875.2U CN211701478U (en) | 2019-12-16 | 2019-12-16 | Overvoltage that security is good gathers excellent suppression cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922247875.2U CN211701478U (en) | 2019-12-16 | 2019-12-16 | Overvoltage that security is good gathers excellent suppression cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211701478U true CN211701478U (en) | 2020-10-16 |
Family
ID=72791460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922247875.2U Expired - Fee Related CN211701478U (en) | 2019-12-16 | 2019-12-16 | Overvoltage that security is good gathers excellent suppression cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211701478U (en) |
-
2019
- 2019-12-16 CN CN201922247875.2U patent/CN211701478U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |