CN211701469U - One-way grounding fault processing device for neutral point ungrounded system - Google Patents
One-way grounding fault processing device for neutral point ungrounded system Download PDFInfo
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- CN211701469U CN211701469U CN202020628257.2U CN202020628257U CN211701469U CN 211701469 U CN211701469 U CN 211701469U CN 202020628257 U CN202020628257 U CN 202020628257U CN 211701469 U CN211701469 U CN 211701469U
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Abstract
The utility model discloses an one-way ground fault processing apparatus of ungrounded system of neutral point, which comprises a housin, the bottom fixed mounting of casing has the base, and the fixed mounting of the inside of base has the siren, the positive fixed mounting of base has the protection shield, and fixed mounting has the running light on the protection shield, one side fixed mounting of base has the mount pad, and fixed mounting has the earthing rod on the mount pad, the inside bottom fixed mounting of casing has the earthing stand. The utility model discloses be provided with fixed plate and fixing bolt cooperation, carry out fixed mounting when placing the device, stability when having increased the device use, when having improved the use, be provided with the casing and can protect when the device uses, increased the security, when having improved the use, be provided with the circuit breaker and protect when can using the device, security when having increased the device use improves the practicality, makes processing apparatus convenient to use more, has enlarged application scope, convenient to popularize and use.
Description
Technical Field
The utility model relates to a technical field of the ungrounded system of neutral point specifically is a one-way ground fault processing apparatus of ungrounded system of neutral point.
Background
In China, a neutral point ungrounded operation mode is adopted for most of 6-10 kV and partial 35 kV high-voltage power grids. The main characteristics are as follows: when the system is earthed in a single phase, the voltage and the phase between each phase are kept unchanged, the balance of the three-phase system is not damaged, and therefore the three-phase system can continue to operate in a short time, and the non-earthed system with a neutral point needs to be earthed when in use.
The existing one-way grounding system without a neutral point has the following defects in use, 1, the existing grounding fault processing device has no function of detecting the grounding state of the device when being used, the system loss is easily caused when the grounding is short-circuited, and the safety of the device is reduced; 2. meanwhile, the existing processing device does not have a fixing function when being placed and used, and is easy to cause unstable conditions due to the influence of external force when being used, so that the stability of the processing device is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a neutral point is one-way ground fault processing apparatus of ungrounded system 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: the utility model provides an one-way ground fault processing apparatus of ungrounded system of neutral point, includes the casing, the bottom fixed mounting of casing has the base, and the fixed mounting of the inside of base has the siren, the positive fixed mounting of base has the protection shield, and fixed mounting has the running light on the protection shield, one side fixed mounting of base has the mount pad, and fixed mounting has the earthing rod on the mount pad, the inside bottom fixed mounting of casing has the earthing seat, the positive movable mounting of casing has the maintenance door, and the top fixed mounting of casing has the overhead guard, the inside fixed mounting of casing has the cardboard, and is equipped with the protector that opens circuit on the cardboard.
Preferably, the bottom of the base is fixedly provided with a fixing plate, and the fixing plate is provided with a fixing bolt.
Preferably, a voltmeter is fixedly installed on the front face of the maintenance door, and an ammeter is fixedly installed on one side of the voltmeter.
Preferably, the mounting plate is fixedly mounted inside the shell, and the mounting plate is provided with a mounting hole.
Preferably, both sides of the shell are provided with wiring holes, and the wiring holes are sleeved with protective sleeves.
Preferably, a safety lock is fixedly installed on one side of the front face of the maintenance door, and a heat dissipation hole is formed in the bottom of the front face of the maintenance door.
Compared with the prior art, the beneficial effects of the utility model are that:
1. be provided with the ground connection seat and the cooperation of earthed pole, can carry out ground connection when using the device, security when having increased the device and using has improved the practicality, is provided with siren and operation lamp cooperation, can detect device ground connection state, has increased the functional of device, has improved the practicality.
2. Be provided with fixed plate and fixing bolt cooperation, carry out fixed mounting when placing the device, stability when having increased the device and using, when having improved the use, be provided with the casing and can protect when the device uses, increased the security, when having improved the use, be provided with the protector that opens circuit and can protect when using the device, the security when having increased the device and using improves the practicality, makes processing apparatus convenient to use more, has enlarged application scope, convenient to popularize and use.
Drawings
Fig. 1 is a schematic front structural view of the present invention;
FIG. 2 is a schematic view of the front internal structure of the present invention;
fig. 3 is a schematic side view of the present invention.
In the figure: 1. a fixing plate; 101. fixing the bolt; 2. a base; 3. a protection plate; 301. an operating light; 4. a ground rod; 5. a mounting seat; 6. a housing; 601. maintaining the door; 602. heat dissipation holes; 603. a safety lock; 7. a voltmeter; 701. an ammeter; 8. a wiring hole; 801. a protective sleeve; 9. a top cover; 10. an alarm; 11. a ground base; 12. mounting a plate; 1201. mounting holes; 13. a circuit break protector; 14. and (4) clamping the board.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a unidirectional grounding fault processing device of a neutral point ungrounded system comprises a shell 6, wherein a base 2 is fixedly arranged at the bottom of the shell 6 through bolts, the base 2 supports the device and is convenient to place when the device is used, an alarm 10 is fixedly arranged in the device through bolts, the type of the alarm 10 can be ZH-900, a protection plate 3 is fixedly arranged on the front surface of the base 2 through bolts, an operation lamp 301 is fixedly arranged on the protection plate 3 through embedding, a mounting seat 5 is fixedly arranged on one side of the base 2 through bolts, a grounding rod 4 is fixedly arranged on the mounting seat 5 through bolts, the grounding rod 4 is convenient for grounding with the ground when the device is used, the safety when the device is used is improved, the grounding rod 4 is connected with the alarm 10 and the operation lamp 301 through leads, therefore, when the grounding wire of the device is in short circuit, alarming can be carried out, and the functionality of the device is improved, the practicality is improved, there is earthing seat 11 bottom inside casing 6 through bolt fixed mounting, earthing seat 11 passes through wire and 4 fixed connection of earthed pole, thereby ground connection when can using the device, there is maintenance door 601 casing 6's front through hinge movable mounting, maintenance door 601 is convenient for later stage device inside and is maintained or the maintenance, the functionality of device has been increased, the practicality is improved, there is a top cover 9 at casing 6's top through bolt fixed mounting, top cover 9 can protect the top of device, the condition that the junk caused the device to damage has been avoided, the security at the top when having increased the device and using, service life is improved, there is cardboard 14 inside casing 6 through bolt fixed mounting, and install circuit breaker 13 on cardboard 14, circuit breaker 13's model can be: NM1LE-250S type, protector 13 increases the security when the device uses, avoids the circuit damage to cause the condition that the device damaged, has improved the practicality.
The bottom of base 2 is fixed with fixed plate 1, and is equipped with fixing bolt 101 on the fixed plate 1. In the embodiment, the fixing plate 1 is matched with the fixing bolt 101, so that the bottom of the device can be fixedly installed when in use, and the stability of the device in use is improved.
The front surface of the maintenance door 601 is fixedly provided with a voltmeter 7, and one side of the voltmeter 7 is fixedly provided with an ammeter 701. In the embodiment, the voltmeter 7 is connected to the device power supply through a wire, so that the internal voltage of the device can be detected when the device is used, and the ammeter 701 is connected to the device power supply through a wire, so that the current of the device when the device is used can be detected.
A mounting plate 12 is fixedly mounted inside the housing 6, and a mounting hole 1201 is formed in the mounting plate 12. In the embodiment, the mounting plate 12 is fixedly mounted by bolts, and the mounting holes 1201 can mount the internal electrical equipment of the device by bolts, so that the practicability of the device is improved.
Both sides of the shell 6 are provided with wiring holes 8, and the wiring holes 8 are sleeved with protective sleeves 801. In the embodiment, the wiring hole 8 is convenient for the entry and removal of a power line or a signal line when the device is used, and meanwhile, the protective sleeve 801 can protect the wire, so that the wire is prevented from being cut by the wiring hole 8, and the safety is improved.
A safety lock 603 is fixedly installed on one side of the front surface of the maintenance door 601, and a heat radiation hole 602 is arranged at the bottom of the front surface of the maintenance door 601. In the embodiment, the safety lock 603 can lock the maintenance door 601, so that the safety of the maintenance door 601 in use is improved, and the heat dissipation performance of the maintenance door 601 is improved through the heat dissipation hole 602, so that the practicability is improved.
The working principle is as follows: casing 6 installs the protection to equipment, and base 2 supports the device, and earthing rod 4 and earthing stand 11 carry out ground connection when using the device through the wire cooperation, and alarm 10 detects the ground connection state when can using the device with operation lamp 301 cooperation, and protector 13 opens circuit has increased the security when using the device.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A unidirectional earth fault handling device of a neutral point ungrounded system, comprising a housing (6), characterized in that: the utility model discloses a safety protection device for a vehicle, including casing (6), base (2) and base (2), and the fixed mounting of the inside of base (2) has siren (10), the positive fixed mounting of base (2) has protection shield (3), and fixed mounting has operation lamp (301) on protection shield (3), one side fixed mounting of base (2) has mount pad (5), and fixed mounting has earthing rod (4) on mount pad (5), the inside bottom fixed mounting of casing (6) has earthing seat (11), the positive movable mounting of casing (6) has maintenance door (601), and the top fixed mounting of casing (6) has overhead guard (9), the inside fixed mounting of casing (6) has cardboard (14), and is equipped with circuit breaker (13) on cardboard (14).
2. A unidirectional earth fault handling device of a neutral ungrounded system according to claim 1, characterized in that: the bottom fixed mounting of base (2) has fixed plate (1), and is equipped with fixing bolt (101) on fixed plate (1).
3. A unidirectional earth fault handling device of a neutral ungrounded system according to claim 1, characterized in that: the front face of the maintenance door (601) is fixedly provided with a voltmeter (7), and one side of the voltmeter (7) is fixedly provided with an ammeter (701).
4. A unidirectional earth fault handling device of a neutral ungrounded system according to claim 1, characterized in that: the inside fixed mounting of casing (6) has mounting panel (12), and is equipped with mounting hole (1201) on mounting panel (12).
5. A unidirectional earth fault handling device of a neutral ungrounded system according to claim 1, characterized in that: both sides of casing (6) all are equipped with wiring hole (8), and the cover has protective sheath (801) on wiring hole (8).
6. A unidirectional earth fault handling device of a neutral ungrounded system according to claim 1, characterized in that: one side of the front face of the maintenance door (601) is fixedly provided with a safety lock (603), and the bottom of the front face of the maintenance door (601) is provided with a heat dissipation hole (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020628257.2U CN211701469U (en) | 2020-04-23 | 2020-04-23 | One-way grounding fault processing device for neutral point ungrounded system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020628257.2U CN211701469U (en) | 2020-04-23 | 2020-04-23 | One-way grounding fault processing device for neutral point ungrounded system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211701469U true CN211701469U (en) | 2020-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020628257.2U Active CN211701469U (en) | 2020-04-23 | 2020-04-23 | One-way grounding fault processing device for neutral point ungrounded system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211701469U (en) |
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2020
- 2020-04-23 CN CN202020628257.2U patent/CN211701469U/en active Active
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