CN215934080U - Safety electrical control cabinet with automatic leakage alarm function - Google Patents
Safety electrical control cabinet with automatic leakage alarm function Download PDFInfo
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- CN215934080U CN215934080U CN202121636844.7U CN202121636844U CN215934080U CN 215934080 U CN215934080 U CN 215934080U CN 202121636844 U CN202121636844 U CN 202121636844U CN 215934080 U CN215934080 U CN 215934080U
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Abstract
The utility model discloses a safety electrical control cabinet capable of automatically alarming for electric leakage, which comprises an electrical control cabinet main body and an electric leakage protection device, the electric control cabinet main body comprises an insulating shell wrapped outside, heat dissipation windows are arranged on both sides of the insulating shell, the two sides of the lower end of the main body of the electric control cabinet are provided with mounting bases, the upper end of the main body of the electric control cabinet is provided with a water guide top, a cabinet door is hinged at the front side of the insulating shell, an insulating handle is arranged at one side of the cabinet door, a central processing unit is arranged on the inner wall of the cabinet door, the earth leakage protection device is arranged on the rear wall of the inner side of the electric control cabinet main body through a mounting seat, the residual current transformer is fixed on the mounting seat through the fixed end feet on the two sides, the monitoring is accurate, and the use safety of electrical equipment in the construction process of building electrical engineering and the stability of the whole electrical engineering system can be guaranteed.
Description
Technical Field
The utility model relates to an electrical control cabinet, in particular to a safety electrical control cabinet capable of automatically alarming when electric leakage occurs.
Background
The electrical control cabinet is widely applied to the chemical industry, the environmental protection industry, the electric power system, the metallurgical system, the industry, the nuclear power industry, the fire safety monitoring, the traffic industry and the like, and the operation condition of the electrical control cabinet has a decisive role in the overall safety of the factory industry. When the electric equipment is connected, the fusing resistance wire is unreasonable in use, the bearing current of the whole circuit exceeds the maximum load capacity of the electric equipment, redundant heat is accumulated, an insulating layer is melted, and a serious leakage accident is caused. In addition, the electrical equipment continuously works with high strength, and in addition, the daily maintenance and overhaul are not in place, so that the electronic element and the lead are seriously oxidized, the rubber insulating layer loses elasticity, and the rubber insulating layer is broken by carelessness to cause the burning of internal elements and parts and serious electric leakage accidents. Therefore, in the process of designing the leakage protection equipment of the electrical control cabinet, various measures are needed to improve the performance of the electrical equipment, and the occurrence rate of safety accidents is reduced to the maximum extent, so that the continuous and stable operation of electrical engineering is promoted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a safety electrical control cabinet capable of automatically alarming when electric leakage occurs, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electric leakage automatic alarm's safe type electrical control cabinet, includes electrical control cabinet main part and earth leakage protection device, the electrical control cabinet main part includes the insulating casing of outside parcel, the heat dissipation window has all been seted up to the insulating casing both sides, electrical control cabinet main part lower extreme both sides are provided with the installation base, electrical control cabinet main part upper end is provided with the water guide top, the insulating casing front side articulates there is the cabinet door, insulating handle is installed to cabinet door one side, central processing unit is installed to cabinet door inner wall, earth leakage protection device passes through the mount pad and installs on the inboard back wall of electrical control cabinet main part, earth leakage protection device includes a plurality of residual current transformer, residual current transformer passes through both sides fixed end foot and fixes on the mount pad.
Preferably, the lower end face of the electrical control cabinet main body is provided with a plurality of grounding protection conductors, so that double leakage protection is realized, and the safety of the electrical control cabinet is further improved.
Preferably, be provided with the display screen on the cabinet door, the display screen passes through internal conductor electric connection to central processing unit signal output part, but real-time display electric circuit operating condition, directly perceived.
Preferably, an organic whole electric connection has audible-visual annunciator on the display screen, just it has the buckler to bond on the display screen, can be waterproof, avoids rainwater infiltration to cause the short circuit, just audible-visual annunciator can report to the police in advance and warn, further improves the security performance.
Preferably, the water guide top is provided with inclined planes with two downward sides, water is evacuated towards two sides, and water is prevented from entering the interior of the electrical control cabinet main body.
Preferably, the signal output end of the residual current transformer is connected to the signal input end of the central processing unit through an internal wire, the response is sensitive, and the control effect is good.
Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a safety electrical control cabinet capable of automatically alarming in electric leakage, which adopts double protection of an electric leakage protection device and a grounding protection conductor to solve the limitation of electric leakage protection of a main body of the traditional electrical control cabinet, and the setting current of the protection action of a residual current transformer can be from mA level to A level, so that the sensitivity is very high, the slight change of the electric leakage current in an electrical circuit can be detected, the monitoring is ensured to be accurate, the electric leakage accident is safely prevented, the electric leakage protection technology is effectively applied to the electrical control cabinet main body, and the use safety of electrical equipment and the stability of the whole electrical engineering system in the construction process of building electrical engineering are ensured.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the external overall structure of the present invention;
fig. 3 is a schematic structural diagram of the earth leakage protection device of the present invention.
In the figure: 1-a water guide roof; 2-the electrical control cabinet main body; 3-a heat dissipation window; 4-an insulating housing; 5, mounting a base; 6-cabinet door; 7-a central processing unit; 8-a leakage protection device; 9-a ground protection conductor; 10-an insulated handle; 11-a display screen; 12-audible and visual alarm; 13-a waterproof cover; 14-a mounting seat; 15-fixing the terminal pin; 16-residual current transformer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a safety electrical control cabinet with automatic leakage alarm function comprises an electrical control cabinet main body 2 and a leakage protection device 8, the electrical control cabinet main body 2 comprises an insulating shell 4 wrapped outside, heat dissipation windows 3 are arranged on two sides of the insulating shell 4, the two sides of the lower end of the electrical control cabinet main body 2 are provided with mounting bases 5, the upper end of the electrical control cabinet main body 2 is provided with a water guide top 1, a cabinet door 6 is hinged at the front side of the insulating shell 4, an insulating handle 10 is arranged at one side of the cabinet door 6, the inner wall of the cabinet door 6 is provided with a central processing unit 7, the earth leakage protection device 8 is arranged on the rear wall of the inner side of the electrical control cabinet main body 2 through an installation seat 14, the earth leakage protection device 8 comprises a plurality of residual current transformers 16, and the residual current transformers 16 are fixed on the mounting seat 14 through fixing end pins 15 on two sides.
The lower end face of the electrical control cabinet main body 2 is provided with a plurality of grounding protection conductors 9, so that double leakage protection is realized, and the safety of the utility model is improved. The cabinet door 6 is provided with a display screen 11, the display screen 11 is electrically connected to the signal output end of the central processing unit 7 through an internal lead, so that the working state of an electric circuit can be displayed in real time, and the display is visual and clear. The integrated electric connection has audible and visual alarm 12 on the display screen 11, just it has buckler 13 to bond on the display screen 11, can be waterproof, avoids rainwater infiltration to cause the short circuit, just audible and visual alarm 12 can report to the police in advance and warn, further improves the security performance. The water guide top 1 is provided with inclined planes with two downward sides, water is evacuated towards two sides, and the water is prevented from entering the interior of the electrical control cabinet main body 2. And the signal output end of the residual current transformer 16 is connected to the signal input end of the central processing unit 7 through an internal wire, so that the response is sensitive and the control effect is good.
The working principle is as follows: when the safety electrical control cabinet is used, internal leads respectively penetrate through a residual current transformer on an electric leakage protection device 8, when current parameters of electrical equipment change, a signal receiving module inside a central processing unit 7 receives a detection signal of the residual current transformer on a circuit current state, setting current of protection action of the residual current transformer 16 can be from mA level to A level, and the sensitivity is very high, so that the slight change of the electric leakage current in an electrical circuit can be detected. The device is used for extracting residual current signals of a monitored line, can continuously detect leakage current of a ground system, can convert primary current with a large value into secondary current with a small value through a certain transformation ratio, is used for protection and measurement, and can simultaneously realize the purposes of monitoring electric quantity of a three-phase system and the like. When leakage current occurs in the electric circuit, the tripping device is driven to switch the power supply network, and the purpose of ground fault protection is achieved. Therefore, when central processing unit 7 receives the current signal, then at the singlechip through AD converting element, CPU to change the line current amplitude and carry out analysis, processing, and automatic and predetermine rated value and contrast, in case current variation surpasss rated value then audible-visual annunciator 12 can send the warning, and show electric leakage numerical value information through display screen 11, and simultaneously, ground protection can be carried out to the external current of electrical control cabinet main part 2 through the ground protection conductor 9 that sets up, prevent the electric shock accident.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a safe type electrical control cabinet of electric leakage automatic alarm which characterized in that: comprises an electrical control cabinet main body (2) and an electric leakage protection device (8), wherein the electrical control cabinet main body (2) comprises an insulating shell (4) which is externally wrapped, both sides of the insulating shell (4) are provided with heat dissipation windows (3), both sides of the lower end of the electrical control cabinet main body (2) are provided with installation bases (5), the upper end of the electric control cabinet main body (2) is provided with a water guide top (1), the front side of the insulating shell (4) is hinged with a cabinet door (6), an insulating handle (10) is arranged on one side of the cabinet door (6), a central processing unit (7) is arranged on the inner wall of the cabinet door (6), the earth leakage protection device (8) is arranged on the rear wall of the inner side of the electrical control cabinet main body (2) through a mounting seat (14), the earth leakage protection device (8) comprises a plurality of residual current transformers (16), the residual current transformer (16) is fixed on the mounting seat (14) through fixing end pins (15) on two sides.
2. The safety electrical control cabinet capable of automatically alarming after electric leakage according to claim 1, characterized in that: the lower end face of the electric control cabinet main body (2) is provided with a plurality of grounding protection conductors (9).
3. The safety electrical control cabinet capable of automatically alarming after electric leakage according to claim 1, characterized in that: the cabinet door (6) is provided with a display screen (11), and the display screen (11) is electrically connected to the signal output end of the central processing unit (7) through an internal lead.
4. The safety electrical control cabinet capable of automatically alarming after electric leakage according to claim 3, characterized in that: an audible and visual alarm (12) is integrally and electrically connected to the display screen (11), and a waterproof cover (13) is bonded to the display screen (11).
5. The safety electrical control cabinet capable of automatically alarming after electric leakage according to claim 1, characterized in that: the water guide top (1) is provided with inclined planes with two downward sides.
6. The safety electrical control cabinet capable of automatically alarming after electric leakage according to claim 1, characterized in that: and the signal output end of the residual current transformer (16) is connected to the signal input end of the central processing unit (7) through an internal wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121636844.7U CN215934080U (en) | 2021-07-19 | 2021-07-19 | Safety electrical control cabinet with automatic leakage alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121636844.7U CN215934080U (en) | 2021-07-19 | 2021-07-19 | Safety electrical control cabinet with automatic leakage alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215934080U true CN215934080U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121636844.7U Active CN215934080U (en) | 2021-07-19 | 2021-07-19 | Safety electrical control cabinet with automatic leakage alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215934080U (en) |
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2021
- 2021-07-19 CN CN202121636844.7U patent/CN215934080U/en active Active
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