CN219553340U - Totally-enclosed insulating lightning arrester - Google Patents
Totally-enclosed insulating lightning arrester Download PDFInfo
- Publication number
- CN219553340U CN219553340U CN202320841946.5U CN202320841946U CN219553340U CN 219553340 U CN219553340 U CN 219553340U CN 202320841946 U CN202320841946 U CN 202320841946U CN 219553340 U CN219553340 U CN 219553340U
- Authority
- CN
- China
- Prior art keywords
- lightning arrester
- casing
- totally
- resistance
- resistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to the technical field of lightning arresters, in particular to a totally-enclosed insulating lightning arrester which comprises a shell, a resistor and a bracket, wherein the resistor is arranged in the shell, the shell is connected with the bracket, a plurality of clamping heads are arranged on the resistor, the plurality of clamping heads are arranged on the resistor, sliding grooves are formed in the shell, the sliding grooves correspond to the clamping heads one by one and are equal in number, and the clamping heads can slide in the sliding grooves to enable the resistor to be connected with or separated from the shell. The problem that the arrester in the related art is not easy to replace the piezoresistor rod in the arrester is solved.
Description
Technical Field
The utility model relates to the technical field of lightning arresters, in particular to a totally-enclosed insulating lightning arrester.
Background
The lightning arrester is an electric appliance for protecting electric equipment from high transient overvoltage damage during lightning strike, limiting the freewheel time and also often limiting the freewheel amplitude. The arrester is sometimes also referred to as an overvoltage protector, an overvoltage limiter. The main function of the lightning arrester is to cut the amplitude of the invasion flow wave through the parallel discharge gap or the nonlinear resistor, and reduce the overvoltage value of the protected equipment, thereby protecting the communication line and the equipment.
The resistor part in the lightning arrester in the prior art is a vulnerable part, but the lightning arrester and the resistor part are often designed integrally, the whole lightning arrester needs to be replaced when the resistor part is damaged, the steps are complicated, and the economic benefit is poor, so that the lightning arrester with the internal resistor part convenient to replace is needed.
Disclosure of Invention
The utility model provides a totally-enclosed insulating lightning arrester, which solves the problem that the lightning arrester is not easy to replace a piezoresistor rod in the lightning arrester in the related art.
The technical scheme of the utility model is as follows:
the utility model provides a totally closed insulating arrester, includes casing, resistance spare and support, the resistance spare is located in the casing, the casing with leg joint, be equipped with the dop on the resistance spare, be a plurality of, a plurality of the dop is located on the resistance spare, have the spout in the casing, the spout with dop one-to-one and quantity equals, the dop can be in slide in the spout, make the resistance spare with casing connection or separation.
As a further technical scheme, the method also comprises the following steps,
the resistor piece comprises a piezoresistor rod, a connecting buckle and a separator which are connected in sequence, wherein the clamping head is arranged on the connecting buckle, and the separator is connected with a lower lead.
As a further technical scheme, the method also comprises the following steps,
an input terminal is arranged in the shell, one end of the input terminal is abutted to the varistor rod, and the other end of the input terminal is connected with an upper lead.
As a further technical scheme, the method also comprises the following steps,
the shell is provided with a sensor for monitoring the connection state of the disengager and the connecting buckle.
As a further technical scheme, the method also comprises the following steps,
the shell is connected with the support through bolts.
The working principle and the beneficial effects of the utility model are as follows: the lightning arresters are connected between the cable and ground, typically in parallel with the equipment to be protected. The lightning arrester can effectively protect communication equipment, electric appliances and the like, when lightning stroke happens, the lightning arrester receives instant high-voltage current, the resistance of a resistance element in the lightning arrester is rapidly reduced, two ends of the resistance element are respectively connected with an upper lead and a lower lead of the lightning arrester, at the moment, the lightning arrester and the ground can be regarded as a passage, the lightning arrester receives instant high-voltage impact current and is conducted to the ground through the resistance element, so that the voltage amplitude is limited, and the communication cable and equipment are protected. After the overvoltage disappears, the lightning arrester quickly returns to the original state, so that the communication line works normally. When the communication cable or device is operated at normal operating voltage, the lightning arrester will not function and is considered to be open to the ground. The resistance part in the lightning arrester is a vulnerable part, but the lightning arrester and the resistance part are often designed as a whole, the whole lightning arrester needs to be replaced when the resistance part is damaged, the steps are complicated, and the economic benefit is poor. In this scheme, be equipped with connecting portion on the resistance spare, be equipped with spacing portion on the arrester casing, spacing portion and connecting portion cooperation make the resistance spare with the casing is connected or is separated, so, accomplishes the change operation of resistance spare, convenient and fast has effectively solved the difficult problem of changing the resistance spare of arrester among the correlation technique.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of a fully enclosed insulated lightning arrester according to the present utility model;
FIG. 2 is a schematic diagram of a resistor structure according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a housing of the present utility model;
in the figure: 1. the voltage-sensitive resistor comprises a shell, 2, a bracket, 3, a clamping head, 4, a sliding groove, 5, a voltage-sensitive resistor rod, 6, a connecting buckle, 7, a disconnector, 8, a lower lead, 9, an input terminal, 10, an upper lead, 11 and a sensor.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, this embodiment provides a totally enclosed insulation lightning arrester, including casing 1, resistance spare and support 2, the resistance spare is located in the casing 1, casing 1 with support 2 connects, be equipped with chuck 3 on the resistance spare, be a plurality of, a plurality of chuck 3 is located on the resistance spare, have spout 4 in the casing 1, spout 4 with chuck 3 one-to-one and quantity are equal, chuck 39 can slide in spout 4, make the resistance spare with casing 1 connects or separates.
In this embodiment, the lightning arrester is connected between the cable and ground, typically in parallel with the protected equipment. The lightning arrester can effectively protect communication equipment, electric appliances and the like, when lightning stroke happens, the lightning arrester receives instant high-voltage current, the resistance of a resistance element in the lightning arrester is rapidly reduced, two ends of the resistance element are respectively connected with an upper lead 10 and a lower lead 8 of the lightning arrester, at the moment, the lightning arrester and the ground can be regarded as a passage, the lightning arrester receives instant high-voltage impact current and is conducted to the ground through the resistance element, so that the voltage amplitude is limited, and the communication cable and the equipment are protected. After the overvoltage disappears, the lightning arrester quickly returns to the original state, so that the communication line works normally. When the communication cable or device is operated at normal operating voltage, the lightning arrester will not function and is considered to be open to the ground. The resistance part in the lightning arrester is a vulnerable part, but the lightning arrester and the resistance part are often designed as a whole, the whole lightning arrester needs to be replaced when the resistance part is damaged, the steps are complicated, and the economic benefit is poor. In this embodiment, be equipped with dop 3 on the resistance spare, have spout 4 in the arrester casing 1, dop 3 and spout 4 cooperation make resistance spare and casing 1 be connected or separate, so, accomplish the change operation of resistance spare, convenient and fast has effectively solved the difficult problem of changing the resistance spare of arrester among the related art.
Further, the method also comprises the steps of,
the resistor piece comprises a varistor rod 5, a connecting buckle 6 and a separator 7 which are connected in sequence, the clamping head 3 is arranged on the connecting buckle 6, and the separator 7 is connected with a lower lead 8.
In this embodiment, the varistor rod 5, the connecting buckle 6 and the disconnector 7 are sequentially connected to form a resistor, when the communication cable or the device operates under normal operating voltage, the lightning arrester does not act, and is regarded as an open circuit for the ground, if the varistor rod 5 is damaged, the current generated in the varistor rod 5 can affect the normal operation of the communication cable or the device, in order to prevent the occurrence of the situation, one end of the varistor rod 5 is connected with the disconnector 7, when the power frequency current passing through the damaged varistor rod 5 flows through the disconnector 7, the disconnector 7 can be quickly disconnected from the varistor rod 5, and the disconnector 7 is connected with the lower lead 8 to be connected with the ground, so that the circuit connecting the lightning arrester with the ground becomes the open circuit, and the current in the varistor rod 5 is randomly lost at the moment, thereby effectively protecting the communication cable or the device.
Further, the method also comprises the steps of,
an input terminal 9 is arranged in the housing 1, one end of the input terminal 9 is abutted against the varistor rod 5, and the other end of the input terminal 9 is connected with an upper lead 10.
In this embodiment, the communication cable or device is connected in parallel to the protected device by abutting the varistor rod 5 via the input terminal 9 to which the upper lead 10 is connected.
Further, the method also comprises the steps of,
the housing 1 is provided with a sensor 11 for monitoring the connection state of the decoupler 7 with the connection buckle 6.
In this embodiment, be equipped with the sensor 11 that is used for detecting the connection state of break away from ware 7 on the casing 1, the connection state remote transmission of break away from ware 7 is to control center in, the staff can audio-visually see this real-time state of break away from ware 7, when producing piezoresistor stick 5 and breaking away from ware 7 when breaking away from, the staff can know this condition in the first time, in time coordinates the maintenance personnel to go to the maintenance, further reduces the loss that further produces because of piezoresistor stick 5 damages, and is high-efficient swift.
Further, the method also comprises the steps of,
the shell 1 is in bolted connection with the bracket 2.
In this embodiment, casing 1 passes through bolted connection with support 2 to the building on, makes the arrester firm stable, has shown the stability that has improved the arrester.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a totally closed insulating arrester, its characterized in that, includes casing (1), resistance spare and support (2), the resistance spare is located in casing (1), casing (1) with support (2) are connected, be equipped with dop (3) on the resistance spare, be a plurality of, a plurality of dop (3) are located on the resistance spare, have spout (4) in casing (1), spout (4) with dop (3) one-to-one and quantity are equal, dop (3) can be in slide in spout (4), make the resistance spare with casing (1) are connected or are separated.
2. The totally-enclosed insulated lightning arrester according to claim 1, wherein the resistor element comprises a varistor rod (5), a connecting buckle (6) and a disconnector (7) which are sequentially connected, the clamping head (3) is arranged on the connecting buckle (6), and the disconnector (7) is connected with a lower lead (8).
3. The totally-enclosed insulated lightning arrester according to claim 2, wherein an input terminal (9) is arranged in the shell (1), one end of the input terminal (9) is abutted to the varistor rod (5), and the other end of the input terminal (9) is connected with an upper lead (10).
4. A totally enclosed insulated lightning arrester according to claim 2, characterized in that the housing (1) is provided with a sensor (11) for monitoring the connection status of the disconnector (7) with the connection clasp (6).
5. A fully enclosed insulated lightning arrester according to claim 1, characterized in that the housing (1) is bolted to the bracket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320841946.5U CN219553340U (en) | 2023-04-14 | 2023-04-14 | Totally-enclosed insulating lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320841946.5U CN219553340U (en) | 2023-04-14 | 2023-04-14 | Totally-enclosed insulating lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219553340U true CN219553340U (en) | 2023-08-18 |
Family
ID=87731469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320841946.5U Active CN219553340U (en) | 2023-04-14 | 2023-04-14 | Totally-enclosed insulating lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219553340U (en) |
-
2023
- 2023-04-14 CN CN202320841946.5U patent/CN219553340U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8711538B2 (en) | Externally gapped line arrester | |
| US9219360B2 (en) | Safe quick disconnect leakage protector | |
| CN111492549B (en) | Method for remote monitoring of a failed surge arrester disconnector | |
| CN201199632Y (en) | Parallel capacitor apparatus with dual over-voltage protection | |
| CN112305376B (en) | Low-voltage distribution line fault arc detection and identification method | |
| CN219553340U (en) | Totally-enclosed insulating lightning arrester | |
| CN209199692U (en) | A kind of tension-resistant rod external series gap metal oxide arrester | |
| CN109449865B (en) | Method for disassembling fault low-voltage lightning arrester in live mode | |
| CN105610140B (en) | A kind of lightning protection surge protection | |
| CN108092250B (en) | Fault current limiting equipment and control method | |
| CN106448961B (en) | A kind of 10kV overvoltage protections insulator | |
| CN109347048B (en) | Live-line installation method of low-voltage lightning arrester | |
| KR101074663B1 (en) | Two-way surge protective device | |
| CN104065054A (en) | Overvoltage inhibition cabinet | |
| CN112789774B (en) | External gap line arrester | |
| CN202663106U (en) | Open-circuit prevention protective circuit for end screen grounding | |
| CN106655067A (en) | Line flashover protector | |
| CN100438254C (en) | Thunderstroke protection circuit capable of avoiding being reliably protecting electric net power supply thander struck by directly | |
| CN209199696U (en) | A kind of novel metal oxide arrester | |
| CN109217238B (en) | Protection circuit and electronic equipment | |
| CN109509600A (en) | A kind of novel no residual-pressure lightning arrester of band monitoring and defencive function | |
| CN206023160U (en) | Line flashover protector | |
| Podporkin et al. | Lightning protection of overhead lines by multi-chamber arresters and insulator-arresters | |
| CN210838926U (en) | Alternating current intrusion and high voltage counterattack protection device for direct current system of transformer substation | |
| CN2604019Y (en) | Transient state attack voltage suppressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |