CN105185035A - Anti-electric-shock distribution box - Google Patents
Anti-electric-shock distribution box Download PDFInfo
- Publication number
- CN105185035A CN105185035A CN201510640605.1A CN201510640605A CN105185035A CN 105185035 A CN105185035 A CN 105185035A CN 201510640605 A CN201510640605 A CN 201510640605A CN 105185035 A CN105185035 A CN 105185035A
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- China
- Prior art keywords
- panel box
- electric shock
- protection against
- against electric
- lightning protection
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Patch Boards (AREA)
Abstract
The invention provides an anti-electric-shock distribution box which comprises an open box formed by a top plate, a bottom plate, a left plate, a right plate and a rear plate. A front opening of the open box is enclosed by a front frame and a front door. The front door comprises a left door and a right door which can both be opened and closed. The distribution box is connected with a protection device. A current sensor is arranged inside the distribution box. A filter is arranged inside the protection device. The filter is connected with a first amplifier and a relay successively on one hand, and is connected with a second amplifier and an alarm device on the other hand. The relay is connected with a power supply.
Description
Technical field
The present invention relates to a kind of protection against electric shock panel box.
Background technology
Electric control system is connected to form according to certain requirement by motor and some electrical equipments, to complete the system that production run controls specific function.In order to the composition and working principle of Expression product mechanical electric control system, also be convenient to the installation of equipment simultaneously, debugging and maintenance, and electrical equipment each in system and annexation are reflected with certain pattern, pattern represents each electrical equipment with the graphical symbol of regulation, and with letter symbol, each electrical equipment is described, electrical principle graph structure is simple, well arranged, be applicable to research and analysis circuit working principle, and can be trouble-shooting and offer help, also be the foundation of establishment electrical install wiring diagram simultaneously, therefore be used widely in design department and production scene, and power distribution cabinet has often just become very important carrier, each electric elements that can meet in circuit design are reliably fixed on the position determined in cabinet, handled easily personnel carry out operating and checking, but, in existing production, there will be the situation of equipment failure or Production requirement change and so on unavoidably, operating personnel are sometimes just needed to carry out inspection operation when controller switching equipment is in electriferous state, so, just there is the danger of certain degree in the personal safety of operating personnel.
Summary of the invention
For the problems referred to above, the invention provides a kind of protection against electric shock panel box.
For achieving the above object, protection against electric shock panel box of the present invention, comprise by top board, base plate, left plate, right plate, the opening casing that back side panel is formed, the front openings of described opening casing is by front side frame and front door termination, described door comprises can the offside door of folding and offside door, panel box is connected with protective device, sensor electrical flow sensor is provided with in panel box, wave filter is provided with in protective device, wave filter on the one hand successively with the first amplifier, relay is connected, wave filter on the other hand successively with the second amplifier, warning device is connected, described relay is also connected with power supply.
Further, lightning protection feed circuit are also provided with in described casing, described lightning protection feed circuit comprise: lightning protection circuit, indicating equipment and output unit, wherein, the input end of described lightning protection circuit is connected with power supply, the output terminal of described lightning protection circuit is connected with output unit, for eliminating the lightning surge voltage to being entered by power-supply system;
The first order vent unit, second level choke unit and the third level clamping unit that are connected successively is comprised in described lightning protection circuit;
Described indicating equipment is connected with lightning protection circuit, for each phase current in described lightning protection circuit Nei Mei road, voltage being shown;
The output terminal of described output unit is connected with equipment to be protected, for powering to equipment to be protected.
Further, described left plate and described right plate are provided with window shutter, and Open Side Down for described window shutter, establishes gauze in window shutter.
Further, described box house is provided with lighting device, and described lighting device comprises at least one lamp body and a push switch, and lamp body is connected with push switch.
Further, be provided with the through hole for threading and insulating mat below described rectangular box, it is characterized in that, a ground wire is set up in the bottom of described rectangular box, described ground wire is connected to bottom described rectangular box, is used for the electrostatic on panel box being imported in time ground release.
Further, described ground wire has been set up a unilateral diode, the positive terminal of described unilateral diode is connected with distribution box body.
Further, the chamber door back side is provided with the interlayer of the above-below direction parallel with chamber door, and this interlayer and chamber door form the sandwich passage of above-below direction, and the upper port of described sandwich passage is provided with blower fan, and this fan outlet is connected in series with the upper port of described sandwich passage.
Further, described chamber door is followed successively by internal layer, middle level and skin from inside to outside, described internal layer is from inside to outside for being respectively equipped with radiation protective layer and sealant, described middle level is the double-decker of leakproof electric layer and fireprotection layer composition, skin is high-strength insulating armor, and described chamber door outside is also provided with insulation antidetonation frame.
Further, described casing is provided with Intelligent indicating device, and described Intelligent indicating device comprises:
Switch, indicating device and warning device, wherein,
Described switch, for starting or stoping described indicator;
Described indicating device, is connected with described switch, after starting at described indicator, indicate power equipment to be in electriferous state;
Described warning device, is connected with described switch, comprises: thermal sensor, alarm distance adjusting gear and alarm, wherein,
Described alarm distance adjusting gear, for arranging alarm distance;
Described thermal sensor, for detecting the distance of thermal source and described power equipment;
Described alarm, is connected between described thermal sensor and described alarm distance adjusting gear, for when the distance of thermal source and described power equipment is less than described alarm distance, sends the alarm of described charged electric power apparatus.
Further, be also provided with in described casing:
Humidity sensor, is arranged in described casing to detect the real-time humidity of the inside of described casing;
Comparer, is connected with described humidity sensor with more described real-time humidity and default humidity;
Dehumidifier, is connected with described comparer, to dehumidify when described real-time humidity is greater than described default humidity.
Beneficial effect:
Compared with existing correlation technique, the present invention has following beneficial effect:
The present invention by arranging current sensor in power distribution cabinet; when human body touches current sensor time; signal is reached the wave filter in protective device by current sensor; signal is divided into two-way after wave filter; one tunnel is after the first amplifier amplifies; arrive another road of relay and arrive warning device after the second amplifier amplifies; relay makes power cut-off after receiving signal; alarm is reported to the police after receiving signal; so just reach the object of protection operating personnel life safety, avoid the generation of electric shock accidents.
Accompanying drawing explanation
Fig. 1 is the structural representation of protection against electric shock panel box of the present invention;
Fig. 2 is the front elevation of protection against electric shock panel box of the present invention;
Fig. 3 is the structural representation of protection against electric shock circuit of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention will be further described.
Embodiment 1
As shown in Figures 1 to 3, the present embodiment protection against electric shock panel box, in the present embodiment, panel box 1 comprises the opening casing be made up of top board, base plate, left plate, right plate, back side panel, the front openings of described opening casing is by front side frame 31 and front door termination, described door comprises can the offside door 32 of folding and offside door 33, and the outside surface of described offside door 32 has multiple LED display lamp 322.When there being multiple described LED display lamp 322, being aligned by parallel way between them or arranging.LED display lamp 322 on these is corresponding with each main electric power line in panel box, optional in the present embodiment, described base plate, left plate, right plate, back side panel, front side frame 31 and Qianmen are made up of sheet steel, are difficult to observe inner case from outside, are unfavorable for maintenance.And used this LED display lamp 322, when panel box is when normally using, described LED normal luminous, and when case internal power is abnormal, the luminance of LED can be strengthened or weaken, can present to simple, intuitive electric integrated situation in case by this LED display lamp 322, the electric integrated situation in panel box can be indicated according to brightness, thus be beneficial to staff and adjust distributing electric power.
In the present embodiment, in described left plate and described right plate, at least one of them includes the window shutter 21 that Open Side Down.Further alternative, described window shutter 21 is arranged on panel box biside plate bottom, is symmetrical set.Like this, the heat in case can shed from window shutter 21 formula, avoids occurring that electric elements are because of the overheated phenomenon causing fault, extends the serviceable life of electric elements.In addition, although not display in figure, in described window shutter 21, be provided with filter, enter in panel box effectively to prevent dust, winged insect etc.
Described Qianmen also includes groove 332, and this groove 332 may be used for placing nameplate or other relevant information relevant with this panel box.Simultaneously, offside door 32 and offside door 33 comprise two for being convenient to the groove 321 opened the door), and on a door wherein, also include keyhole 333, described keyhole 333 opens panel box for pinning Qianmen to prevent other personnel, causes a hidden trouble to the safety of panel box.
The present embodiment protection against electric shock panel box; comprise the power distribution cabinet 1 and protective device 7 that are connected; sensor 8 is provided with in power distribution cabinet 1; be provided with wave filter 2 in protective device 7, wave filter 2 one aspect is connected with the first amplifier 3, relay 4 successively, and wave filter 2 is connected with the second amplifier 10, warning device 6 on the other hand successively; relay 4 is also connected with power supply 5; sensor 8 is current sensor, and sensor 8 is connected with wave filter 2, is provided with hummer 9 in warning device 6.
The present embodiment is not when equipment decommissions, when equipment go wrong need operating personnel to overhaul or check time, when operating personnel operate in power distribution cabinet 1, if now which apparatus surface is charged, then sensor 8 will receive current signal, current signal is sent to the wave filter 2 in protective device 7 by sensor 8, signal after filtering after device 2 filtration treatment, one tunnel can arrive the first amplifier 3, smaller current signal can be converted into larger current signal by the first amplifier 3, reach relay 4, warning device 6 is arrived through the second amplifier 10 from wave filter 2 another road signal out, current signal arrives power supply 5 after relay 4, cut off the electricity supply 5, meanwhile, hummer 9 in warning device 6 sounds the alarm, remind device surface band electricity in operating personnel's cabinet, avoid causing Danger Electric shock risk.
Lightning protection feed circuit are also provided with in described casing, lightning protection feed circuit comprise: lightning protection circuit, indicating circuit and output circuit, wherein, the input end of described lightning protection circuit is connected with power-supply system, the output terminal of described lightning protection circuit is connected with output circuit, for eliminating the lightning surge voltage to being entered by power-supply system.
Comprise in this lightning protection circuit: first order leadage circuit, second level choked flow circuit and third level clamping circuit, wherein, first order leadage circuit, second level choked flow circuit and third level clamping circuit three are electrically connected successively, to realize carrying out three grades of protection to thunderbolt voltage surge.
When protecting thunder and lightning, in first order leadage circuit, preset voltage threshold, when external voltage exceedes this voltage threshold, in first order leadage circuit release element can in 25ns instantaneous thunder-strike current of releasing over the ground; The circuit of second level choked flow simultaneously continues through for stoping thunder-strike current; Last third level clamping unit passes through for limiting too high lightning surge voltage, and is clamped in safety value by output voltage.
The output terminal of described output circuit is connected with equipment to be protected, for powering to equipment to be protected.In addition, these lightning protection feed circuit can also normal power supply while carrying out lightning Protection.
In addition, conveniently operating personnel understand the duty in lightning protection circuit, and can also arrange in this lightning protection circuit: indicating circuit, indicating circuit is connected with lightning protection circuit, for each phase current in described lightning protection circuit Nei Mei road, voltage being shown.
In order to increase the lightning protection properties of this protection against electric shock panel box; the ground wire of lightning protection circuit can also be connected with the system ground wire of equipment to be protected; namely make the ground wire of lightning protection circuit and the system ground wire of equipment to be protected carry out equipotential link, the electric power system of all equipments to be protected is on same foundation current potential.
The present embodiment utilizes the lightning protection supply access be arranged in casing; the lightning surge voltage entered by power-supply system is carried out three grades of eliminations through first order vent unit, second level choke unit and third level clamping unit, and then lightning surge voltage can be avoided to cause damage by power-supply system to equipment to be protected.
Embodiment 2
The present embodiment protection against electric shock panel box, on the basis of embodiment 1, add a ground wire in the bottom of casing, described ground wire is connected to bottom the rectangular box of panel box, is used for the electrostatic on panel box being imported in time ground release.Owing to there being many charged electric wires bottom panel box, oppositely pass to the rectangular box of panel box from connect ground wire to overcome electric current when part electric wire leaks electricity, produce Danger Electric shock risk, the present invention has also set up a diode on ground path, the positive terminal of this diode is connected with distribution box body, when accumulation on distribution box body has electrostatic charge, and diode current flow, electrostatic charge is conducted to ground connection place, decreases the harm of electrostatic to human body; Make use of the one way general character energy that diode has simultaneously, stopped ground line current reverse direction flow above panel box shell, completely eliminated the electric shock accidents caused because ground wire is charged.
Embodiment 3
The present embodiment protection against electric shock panel box, on the basis of embodiment 1, is also provided with in described casing:
Humidity sensor, is arranged in described casing to detect the real-time humidity of the inside of described casing;
Comparer, is connected with described humidity sensor with more described real-time humidity and default humidity;
Dehumidifier, is connected with described comparer, to dehumidify when described real-time humidity is greater than described default humidity.
Humidity sensor is arranged in casing, can detect the real-time humidity of the inside of casing.Comparer is connected with humidity sensor, and the signal of the real-time humidity in the casing detected is issued comparer by humidity sensor, and the real-time humidity in the casing detected by humidity sensor in a comparator and default humidity compare.When real-time humidity is greater than default humidity, comparer sends dehumidifying signal.Dehumidifier is connected with comparer, dehumidifies when dehumidifier receives dehumidifying signal.Said structure adopts the air humidity in automatic control box body, effectively regulates the air humidity of the inside of casing, and then effectively ensures the safe operation of controller switching equipment, improves the reliability of power supply, ensures that the people can not be subject to economic loss.Meanwhile, said structure adopts the mode automatically controlled to replace manually operated mode, effectively ensures that operations staff can not come to harm, effectively reduces the working strength of operations staff.
In the various embodiments described above, described box house is provided with lighting device, and described lighting device comprises at least one lamp body and a push switch, and lamp body is connected with push switch.Owing to adopting technique scheme, staff carries out the operations such as installation, maintenance during to panel box inner facility, in panel box, daylighting is good, without the need to carrying additional light source, more convenient to operate; There is structure simple, easy to maintenance, the advantages such as processing cost is low.
In the various embodiments described above, the chamber door back side is provided with the interlayer of the above-below direction parallel with chamber door, and this interlayer and chamber door form the sandwich passage of above-below direction, and the upper port of described sandwich passage is provided with blower fan, and this fan outlet is connected in series with the upper port of described sandwich passage.
In the various embodiments described above, described chamber door is followed successively by internal layer, middle level and skin from inside to outside, described internal layer is from inside to outside for being respectively equipped with radiation protective layer and sealant, described middle level is the double-decker of leakproof electric layer and fireprotection layer composition, skin is high-strength insulating armor, and described chamber door outside is also provided with insulation antidetonation frame.
In the various embodiments described above, be provided with Intelligent indicating device in described case, described Intelligent indicating device comprises:
Switch, indicating device and warning device, wherein,
Described switch, for starting or stoping described indicator;
Described indicating device, is connected with described switch, after starting at described indicator, indicate power equipment to be in electriferous state;
Described warning device, is connected with described switch, comprises: thermal sensor, alarm distance adjusting gear and alarm, wherein,
Described alarm distance adjusting gear, for arranging alarm distance;
Described thermal sensor, for detecting the distance of thermal source and described power equipment;
Described alarm, is connected between described thermal sensor and described alarm distance adjusting gear, for when the distance of thermal source and described power equipment is less than described alarm distance, sends the alarm of described charged electric power apparatus.
The present invention be should be understood that; above-described embodiment; further detailed description has been carried out to object of the present invention, technical scheme and beneficial effect; these are only embodiments of the invention; be not intended to limit the present invention, every within spiritual principles of the present invention, done any amendment, equivalent replacement, improvement etc.; all should be included within protection scope of the present invention, the protection domain that protection scope of the present invention should define with claim is as the criterion.
Claims (10)
1. a protection against electric shock panel box, it is characterized in that: comprise by top board, base plate, left plate, right plate, the opening casing that back side panel is formed, the front openings of described opening casing is by front side frame and front door termination, described door comprises can the offside door of folding and offside door, panel box is connected with protective device, sensor electrical flow sensor is provided with in panel box, wave filter is provided with in protective device, wave filter on the one hand successively with the first amplifier, relay is connected, wave filter on the other hand successively with the second amplifier, warning device is connected, described relay is also connected with power supply.
2. protection against electric shock panel box according to claim 1, it is characterized in that: in described casing, be also provided with lightning protection feed circuit, described lightning protection feed circuit comprise: lightning protection circuit, indicating equipment and output unit, wherein, the input end of described lightning protection circuit is connected with power supply, the output terminal of described lightning protection circuit is connected with output unit, for eliminating the lightning surge voltage to being entered by power-supply system;
The first order vent unit, second level choke unit and the third level clamping unit that are connected successively is comprised in described lightning protection circuit;
Described indicating equipment is connected with lightning protection circuit, for each phase current in described lightning protection circuit Nei Mei road, voltage being shown;
The output terminal of described output unit is connected with equipment to be protected, for powering to equipment to be protected.
3. protection against electric shock panel box according to claim 1, is characterized in that: described left plate and described right plate are provided with window shutter, and Open Side Down for described window shutter, establishes gauze in window shutter.
4. protection against electric shock panel box according to claim 1, is characterized in that: described box house is provided with lighting device, described lighting device comprises at least one lamp body and a push switch, and lamp body is connected with push switch.
5. protection against electric shock panel box according to claim 1, it is characterized in that: below described rectangular box, be provided with the through hole for threading and insulating mat, it is characterized in that, a ground wire is set up in the bottom of described rectangular box, described ground wire is connected to bottom described rectangular box, is used for the electrostatic on panel box being imported in time ground release.
6. protection against electric shock panel box according to claim 5, is characterized in that: described ground wire has been set up a unilateral diode, the positive terminal of described unilateral diode is connected with distribution box body.
7. protection against electric shock panel box according to claim 1, it is characterized in that: the chamber door back side is provided with the interlayer of the above-below direction parallel with chamber door, this interlayer and chamber door form the sandwich passage of above-below direction, the upper port of described sandwich passage is provided with blower fan, and this fan outlet is connected in series with the upper port of described sandwich passage.
8. protection against electric shock panel box according to claim 1, it is characterized in that: described chamber door is followed successively by internal layer, middle level and skin from inside to outside, described internal layer is from inside to outside for being respectively equipped with radiation protective layer and sealant, described middle level is the double-decker of leakproof electric layer and fireprotection layer composition, skin is high-strength insulating armor, and described chamber door outside is also provided with insulation antidetonation frame.
9. protection against electric shock panel box according to claim 1, it is characterized in that: described casing is provided with Intelligent indicating device, described Intelligent indicating device comprises:
Switch, indicating device and warning device, wherein,
Described switch, for starting or stoping described indicator;
Described indicating device, is connected with described switch, after starting at described indicator, indicate power equipment to be in electriferous state;
Described warning device, is connected with described switch, comprises: thermal sensor, alarm distance adjusting gear and alarm, wherein,
Described alarm distance adjusting gear, for arranging alarm distance;
Described thermal sensor, for detecting the distance of thermal source and described power equipment;
Described alarm, is connected between described thermal sensor and described alarm distance adjusting gear, for when the distance of thermal source and described power equipment is less than described alarm distance, sends the alarm of described charged electric power apparatus.
10. protection against electric shock panel box according to claim 1, is characterized in that: be also provided with in described casing:
Humidity sensor, is arranged in described casing to detect the real-time humidity of the inside of described casing;
Comparer, is connected with described humidity sensor with more described real-time humidity and default humidity;
Dehumidifier, is connected with described comparer, to dehumidify when described real-time humidity is greater than described default humidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640605.1A CN105185035A (en) | 2015-09-30 | 2015-09-30 | Anti-electric-shock distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640605.1A CN105185035A (en) | 2015-09-30 | 2015-09-30 | Anti-electric-shock distribution box |
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| Publication Number | Publication Date |
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| CN105185035A true CN105185035A (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510640605.1A Pending CN105185035A (en) | 2015-09-30 | 2015-09-30 | Anti-electric-shock distribution box |
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| CN (1) | CN105185035A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106178337A (en) * | 2016-07-08 | 2016-12-07 | 山东冬瑞高新技术开发有限公司 | A kind of underground work is with driving electric motor protective device |
| CN107394600A (en) * | 2017-07-18 | 2017-11-24 | 江苏精电气科技有限公司 | A kind of lightning protection safety distribution cabinet |
| CN112310816A (en) * | 2020-09-18 | 2021-02-02 | 安徽正日电气有限公司 | Low-voltage lighting distribution box |
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| CN112310816A (en) * | 2020-09-18 | 2021-02-02 | 安徽正日电气有限公司 | Low-voltage lighting distribution box |
| CN112310816B (en) * | 2020-09-18 | 2022-08-30 | 安徽正日电气有限公司 | Low-voltage lighting distribution box |
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Application publication date: 20151223 |