CN204012308U - A kind of power distribution cabinet with cabinet door return mechanism - Google Patents

A kind of power distribution cabinet with cabinet door return mechanism Download PDF

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Publication number
CN204012308U
CN204012308U CN201420307548.6U CN201420307548U CN204012308U CN 204012308 U CN204012308 U CN 204012308U CN 201420307548 U CN201420307548 U CN 201420307548U CN 204012308 U CN204012308 U CN 204012308U
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CN
China
Prior art keywords
cabinet
door
power distribution
chip microcomputer
return mechanism
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Expired - Fee Related
Application number
CN201420307548.6U
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Chinese (zh)
Inventor
朱颜勇
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CHENGDU GAOHUA ELECTRICAL Co Ltd
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CHENGDU GAOHUA ELECTRICAL Co Ltd
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Priority to CN201420307548.6U priority Critical patent/CN204012308U/en
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Publication of CN204012308U publication Critical patent/CN204012308U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a kind of power distribution cabinet with cabinet door return mechanism, belong to power distribution cabinet technical field, its object is to provide a kind of band cabinet door return mechanism, good heat dissipation effect, the scratch-resistant and good epoxy powder power distribution cabinet of insulation property.Its technical scheme is: comprise the cabinet with thermovent, on cabinet, offer Qianmen and back door, the Qianmen of cabinet is single open-door, the back door of cabinet is double door, cabinet and Qianmen or back door are provided with cabinet door return mechanism, are provided with temperature sensor, temperature relay and the radiator fan of electrical connection successively in cabinet, the air switch setting in the corresponding cabinet of temperature sensor, radiator fan is installed on thermovent place, and the shell of cabinet is coated with epoxide powder coating.The utility model can be widely used in power distribution cabinet.

Description

A kind of power distribution cabinet with cabinet door return mechanism
Technical field
The utility model belongs to power distribution cabinet technical field, is specifically related to a kind of good heat dissipation effect, the scratch-resistant and good power distribution cabinet of insulation property.
Background technology
In electric power system, power distribution cabinet is important control and protection equipment, and in power distribution cabinet, the contact performance of conduction junction will directly have influence on the reliability of switch cubicle work.In existing power distribution cabinet, each electric component and circuit contact well, connect reliable, but because electric component can produce a large amount of heats in the time working, and the radiating effect of power distribution cabinet is undesirable, the connection end place ratio of some electric component and circuit is easier to local pyrexia, cause local temperature too high, even produce heating, burning phenomenon, thereby finally affect the normal use of whole power distribution cabinet.Except existing above-mentioned heat dissipation problem, also there is the defect not scratch-resistant, insulation property are poor in existing power distribution cabinet; In addition, when in cabinet, electric elements keep in repair, cabinet door is subject to the impact of Air Flow, and easily change state is closed, and is not easy to staff's maintenance.
Summary of the invention
The purpose of this utility model is to provide a kind of band cabinet door return mechanism, good heat dissipation effect, the scratch-resistant and good epoxy powder power distribution cabinet of insulation property.
For achieving the above object, the technical solution of the utility model is:
A kind of power distribution cabinet with cabinet door return mechanism, comprise the cabinet with thermovent, on cabinet, offer Qianmen and back door, it is characterized in that: the Qianmen of cabinet is single open-door, the back door of cabinet is double door, and cabinet and Qianmen or back door are provided with cabinet door return mechanism, in cabinet, be provided with temperature sensor, temperature relay and the radiator fan of electrical connection successively, air switch setting in the corresponding cabinet of temperature sensor, radiator fan is installed on thermovent place, and the shell of cabinet is coated with epoxide powder coating.
Further, described cabinet door return mechanism comprises reverting bar, returning spring, cabinet connector, cabinet door connector, the bending of reverting bar one end, the reverting bar other end fixing with cabinet door connector on, cabinet door connector is fixedly installed on Qianmen or back door, reverting bar bending part is rotationally connected with on cabinet connector, cabinet connector is fixedly installed on cabinet, reverting bar is provided with sliding sleeve, sliding sleeve is connected with returning spring one end, the returning spring other end is connected with cabinet connector, on reverting bar, between sliding sleeve and cabinet connector, appropriate location is provided with sliding sleeve stop block, Qianmen or back door closure, sliding sleeve stop block backstop sliding sleeve, returning spring is in the state that freely do not stress.
Further, radiator fan is two and is used to form cross-ventilated radiator fan, and two radiator fans are installed on respectively two relative medial surfaces in cabinet.
Further, also comprise infrared sensing warning system, this infra-red sensing system comprises infrared temperature probe, front end circuit, A/D converter, single-chip microcomputer I, buzzing warning device and gsm module, described infrared temperature probe is arranged at switch contact and the conductor connector position in cabinet, infrared temperature probe is electrically connected with front end circuit, front end circuit is electrically connected with A/D converter, and A/D converter is electrically connected with single-chip microcomputer I, and single-chip microcomputer I is electrically connected with buzzing warning device, gsm module; The signal of infrared temperature probe collection changes the signal of telecommunication through front end circuit into by A/D converter, signal of telecommunication input single-chip microcomputer I after transformation, single-chip microcomputer I exports two path control signal, wherein a road control signal is delivered to buzzing warning device and carries out onsite alarming, and another road control signal is delivered to gsm module and is sent the alarm signal being received with short message mode by cellphone subscriber by gsm module.
Further, also comprise gate control system, described gate control system comprises fingerprint identification device, magnetic control door lock, single-chip microcomputer II, MP3 module, single-chip microcomputer II is electrically connected with fingerprint identification device, magnetic control door lock and MP3 module respectively, fingerprint identification device gathers finger print information and finger print information is delivered to single-chip microcomputer II, and single-chip microcomputer II outputs control signals to MP3 module and sends voice signal or output control signals to the Qianmen of magnetic control door lock control cabinet or the switching at back door.
Compared with prior art, the beneficial effects of the utility model are:
1, two doors in Qianmen and back door are set on cabinet, in the time that power distribution cabinet is safeguarded, corresponding cabinet door can be opened, avoid operating personnel in the situation that cannot watching, to carry out misoperation, thereby, improved the convenience that power distribution cabinet is safeguarded, and it is safer that power distribution cabinet is safeguarded, guarantees that power distribution cabinet can be not impaired because of misoperation; Utilize near the temperature of temperature sensor measurement air switch, and temperature signal is passed to temperature relay, temperature relay is controlled the operation of radiator fan taking a certain temperature value as start-up point, automatically reduce the temperature in power distribution cabinet, to reach heat radiation object, reduce the improper tripping operation probability of air switch; The shell of cabinet is coated with epoxide powder coating, and when epoxide powder coating solidifies, no coupling product generates, and appearance of film is smooth, and, damage resistant good with the metal substrate adhesive force of power distribution cabinet have fabulous electrical insulating property and good NBC protective performance.
2, by cabinet door return mechanism is set on cabinet and cabinet door, return mechanism can make cabinet door automatically in closed condition by the effect of reverting bar and returning spring; And return mechanism is simple in structure, use reliable, further on reverting bar, between sliding sleeve and cabinet connector, appropriate location is provided with a sliding sleeve stop block, cabinet door closure, sliding sleeve stop block backstop sliding sleeve, returning spring, in the state that freely do not stress, can be avoided returning spring deformation damage under stress for a long time, also can prevent the unexpected quick closedown of cabinet door simultaneously.
3, in cabinet, both sides arrange respectively wind direction wind direction radiator fan outwardly inwardly, form cross-ventilation, have accelerated the circulation of air in power distribution cabinet, have improved radiating effect; Thermovent and radiator fan are set on cabinet door, indivedual heater elements are carried out to specific aim heat radiation, effectively eliminated heat radiation dead angle, improve radiating effect;
4, front end circuit by filter and amplification, voltage ratio and the circuit such as temperature-compensating form, adopted temperature-compensating, low-pass filtering, effectively reduce radio frequency interference and variations in temperature and disturb the false alarm causing; SMS and on-the-spot same alarm are realized based on GSM network; Thereby this system have rate of false alarm lower, can be with the short message mode that adapts to market main flow mobile phone in real time to the feature such as User Alarms outside the venue, convenient and practical, energy-conserving and environment-protective, cost be low.
5, by be provided with fingerprint entrance guard system on power distribution cabinet, fingerprint identification device gathers somatic fingerprint information, single-chip microcomputer II analyzes, processes finger print information, and send corresponding control signal control magnetic control door lock closure or openness, control MP3 module and send prompt tone; Can effectively control the closure or openness of each of power distribution cabinet front and back by fingerprint entrance guard system.
Brief description of the drawings
Fig. 1 is the external structure schematic diagram of the utility model power distribution cabinet;
Fig. 2 is the internal structure schematic diagram of the utility model power distribution cabinet;
Fig. 3 is the structural representation of the utility model cabinet door return mechanism;
Fig. 4 is the vertical view of Fig. 2;
Fig. 5 is the utility model infrared sensing warning system structured flowchart;
Fig. 6 is the utility model gate control system structured flowchart;
Fig. 7 is the circuit diagram of the utility model front end circuit;
Fig. 8 is the circuit diagram of the utility model gsm module;
Fig. 9 is the utility model MP3 module interface circuit figure;
Wherein, Reference numeral is: 1-cabinet, 2-Qianmen, 3-back door, 4-reverting bar, 5-returning spring, 6-cabinet connector, 7-cabinet door connector, 8-sliding sleeve, 9-sliding sleeve stop block, 10-stamped bumps portion, 14-radiator fan, 15-air switch, 16-temperature sensor, 17-temperature relay, 18-thermovent.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment mono-
With a power distribution cabinet for cabinet door return mechanism, comprise cabinet and be arranged at temperature sensor, temperature relay and the radiator fan in cabinet.
Before and after cabinet, both sides are respectively equipped with Qianmen and back door, and Qianmen and two ends, back door are flexibly connected integral by jockey with described cabinet respectively; Wherein Qianmen is single open-door, and back door is double door, and Qianmen and back door all adopt 2mm cold-reduced sheet to be made; The side of power distribution cabinet adopts 1.5mm cold-reduced sheet to be made, and the case lid of power distribution cabinet adopts 2mm cold-reduced sheet to be made.In the time safeguarding, overhaul power distribution cabinet, corresponding cabinet door can be opened, avoid operating personnel in the situation that cannot watching, to carry out misoperation, thereby, improved the convenience that power distribution cabinet is safeguarded, and it is safer that power distribution cabinet is safeguarded, guarantees that power distribution cabinet can be not impaired because of misoperation.On cabinet, on relative sidewall, offer multiple louvres, certainly can also on the end face of cabinet, bottom surface or cabinet door, offer corresponding louvre.
Cabinet and Qianmen or back door are provided with cabinet door return mechanism, this cabinet door return mechanism comprises reverting bar, returning spring, cabinet connector, cabinet door connector, the bending of reverting bar one end, the other end is fixed on cabinet door connector, reverting bar bending part is rotationally connected with on cabinet connector, reverting bar is provided with a sliding sleeve, returning spring one end connects sliding sleeve, the other end connects cabinet connector, on reverting bar, between sliding sleeve and cabinet connector, appropriate location is provided with a sliding sleeve stop block, cabinet door closure, sliding sleeve stop block backstop sliding sleeve, returning spring is in the state that freely do not stress.Wherein, sliding sleeve stop block can be that the pin being arranged on reverting bar also can be for being the nut being bolted on reverting bar.Cabinet door is provided with outside stamped bumps portion, and stamped bumps subordinate portion separates with cabinet door and forms and the hole of cabinet internal communication, and greatly 5-8cm of stamped bumps portion width can be used for cabinet heat radiation, also can be used as handle.Stamped bumps portion top and both sides and the transition of cabinet door smooth curve.By cabinet door return mechanism is set on cabinet and cabinet door, return mechanism can make cabinet door automatically in closed condition by the effect of reverting bar and returning spring; And return mechanism is simple in structure, use reliable, further on reverting bar, between sliding sleeve and cabinet connector, appropriate location is provided with a sliding sleeve stop block, cabinet door closure, sliding sleeve stop block backstop sliding sleeve, returning spring, in the state that freely do not stress, can be avoided returning spring deformation damage under stress for a long time, also can prevent the unexpected quick closedown of cabinet door simultaneously.
In cabinet, be also provided with temperature sensor, temperature relay, radiator fan and air switch, temperature sensor is installed in cabinet, temperature sensor is electrically connected with temperature relay, and temperature relay is electrically connected with radiator fan, and this radiator fan is arranged at the louvre place on cabinet.In addition the air switch setting in the corresponding cabinet of described temperature sensor.Startup value when first described temperature relay is set to a certain temperature value K, temperature value sets rear temperature sensor and measures in real time near temperature air switch in described cabinet, when temperature higher than arrange this temperature value K time temperature relay start, thereby control radiator fan high speed rotating, accelerate Air Flow in cabinet, realize the efficiently radiates heat of comprehensive distribution cabinet, to reduce the improper tripping operation probability of air switch; In the time that temperature in described cabinet is got back to below this temperature value K of setting, thereby the temperature signal detecting is issued described temperature relay by temperature sensor, to control radiator fan out of service.
The shell of described cabinet is coated with epoxide powder coating, described epoxide powder coating is coated with and is contained on the shell of cabinet by electrostatic powder coating method, its coating process is: epoxide powder coating borrows compressed air to send into spray gun by powder-supply system, be added with at spray gun leading portion the high pressure that HV generator produces, due to corona discharge, produce in its vicinity intensive electric charge, when powder is sprayed by rifle mouth, form charged particle, it is subject to the effect of electrostatic force, be drawn onto with the workpiece of its oppositely charged, along with the powder of spraying increases, electric charge gathers also more, in the time reaching certain thickness, owing to producing electrostatic repulsion, just do not continuing absorption, thereby make workpiece obtain certain thickness powder coating, then make powder melts, levelling, solidify through heating, thereby on surface of the work, form hard film.Epoxide powder coating is except having the advantage of general powdery paints, also having no coupling product when curing generates, appearance of film is smooth, good with metal substrate adhesive force, damage resistant, have fabulous electrical insulating property and good NBC protective performance, powdery paints itself is also easy to the plurality of advantages such as keeping, in use respond well.
Embodiment bis-
On the basis of embodiment mono-, described radiator fan has two at least, wherein two radiator fans are installed on respectively two relative medial surfaces in cabinet, the thermovent of the relative side of the corresponding cabinet of blowing mouth of a radiator fan is installed, the thermovent of the corresponding cabinet opposite side of air inlet of another radiator fan is installed, the wind direction of a radiator fan inwardly and the wind direction of another radiator fan outwardly, both form cross-ventilation, accelerate the circulation of air in power distribution cabinet, improve radiating effect, thereby reached good radiating effect.
Embodiment tri-
On the basis of embodiment mono-or embodiment bis-, in cabinet, be also provided with infrared sensing warning system, this infrared sensing warning system comprises infrared temperature probe, front end circuit, A/D converter, single-chip microcomputer I, buzzing warning device and gsm module.This infrared temperature probe is arranged at respectively switch contact and the conductor connector position in cabinet, the temperature information of sense switch contact and conductor connector position; Infrared temperature probe is electrically connected with front end circuit, the circuit diagram of front end circuit as shown in Figure 4, its mainly by filter and amplification, voltage ratio and the circuit such as temperature-compensating form, in amplifying circuit, adopt thermistor negative feedback to realize temperature-compensating, in the time that temperature is higher, thermistor resistance reduces, in the time that temperature is lower, thermistor resistance rises, and so substantially maintains output voltage constant, in filter circuit, show that according to the Filter Pro software of Texas Instrument upper cut-off frequency is f=20Hz, voltage gain is ldB.This filter circuit has suppressed the High-frequency Interference such as electromagnetic radiation effectively, in the end one-level adopts 1N4727 voltage stabilizing didoe, form 1.5V threshold voltage comparator, obtain the square wave that amplitude is 3V, so that A/D converter is sampled, because front end circuit has adopted temperature-compensating, low-pass filtering, effectively reduce radio frequency interference and variations in temperature and disturbed the false alarm causing, have largely and improved than the pre-amplification circuit in past; Front end circuit is electrically connected with A/D converter, and A/D converter changes the signal of infrared temperature probe collection into the signal of telecommunication; A/D converter is electrically connected with single-chip microcomputer I, and the signal of telecommunication input single-chip microcomputer I after transformation analyzes, processes; Single-chip microcomputer I is electrically connected with buzzing warning device, gsm module, realizes onsite alarming and SMS alarm; The signal of infrared temperature probe collection changes the signal of telecommunication through front end circuit into by A/D converter, signal of telecommunication input single-chip microcomputer I after transformation, single-chip microcomputer I exports two path control signal, wherein a road control signal is delivered to buzzing warning device and carries out onsite alarming, and another road control signal is delivered to gsm module and is sent the alarm signal being received with short message mode by cellphone subscriber by gsm module.In the present embodiment, described infrared temperature probe is DS18B20 infrared temperature probe, and described single-chip microcomputer I adopts MSP430 single-chip microcomputer, and it is the buzzing warning device of yacite PN001231 that buzzing warning device adopts model.Described gsm module is that GSM radio frequency chip, baseband processing chip, memory, power discharging device etc. are integrated on a wiring board, there is independently operating system, GSM radio frequency processing, Base-Band Processing and the functional module of standard interface is provided, belong to existing module, wherein in gsm module, be provided with SIM300 integrated chip, SIM300 module is a three frequency band GSMs/GPRS module, have low power dissipation design, the current drain under sleep pattern is only 2.5mA; ICP/IP protocol that SIM300 inside modules is integrated, and expanded the AT instruction of TCP/IP, make Development of Module data transmission set become simple and convenient; This SIM300 module adopts 4.5V power supply, can directly use powered battery; Single-chip microcomputer I communicates by serial line interface and SIM300 module, and short message content is finished in advance by program, can directly send by this module.
Embodiment tetra-
On the basis of embodiment mono-, embodiment bis-or embodiment tri-, this power distribution cabinet is also provided with gate control system.Described gate control system comprises fingerprint identification device, magnetic control door lock, single-chip microcomputer II and MP3 module, and single-chip microcomputer II is electrically connected with fingerprint identification device, magnetic control door lock and MP3 module respectively.Fingerprint identification device gathers finger print information and finger print information is delivered to single-chip microcomputer II, and single-chip microcomputer II outputs control signals to MP3 module and sends voice signal or output control signals to the Qianmen of magnetic control door lock control cabinet or the switching at back door.
In the present embodiment, this fingerprint identification device comprise the housing of FSC7002 model, the Flash memory that is arranged at button group on housing, optical fingerprint sensor, the LCDs being formed by LED diode, voice output, AT49LV080 model, TMS320VC5402A model digital signal processor, control output circuit, data output interface and power module; This single-chip microcomputer II selects STC15C5A60S2 single-chip microcomputer; The acp chip that MP3 module is taked is AU6850B (integrated chip USB Host interface, SD interface, MP3 decoding circuit), can directly read the voice document in SD card, and take serial interface communication mode with single-chip microcomputer, is conducive to the debugging of program.

Claims (5)

1. the power distribution cabinet with cabinet door return mechanism, comprise the cabinet (1) with thermovent (8), on cabinet (1), offer Qianmen (3) and back door (2), it is characterized in that: the Qianmen (3) of cabinet (1) is single open-door, the back door (2) of cabinet (1) is double door, cabinet (1) is provided with cabinet door return mechanism with Qianmen (3) or back door (2), in cabinet (1), be provided with the temperature sensor (16) of electrical connection successively, temperature relay (17) and radiator fan (14), air switch (15) in the corresponding cabinet of temperature sensor (16) (1) arranges, radiator fan (14) is installed on thermovent (18) and locates, the shell of cabinet (1) is coated with epoxide powder coating.
2. a kind of power distribution cabinet with cabinet door return mechanism as claimed in claim 1, it is characterized in that: described cabinet door return mechanism comprises reverting bar (4), returning spring (5), cabinet connector (6), cabinet door connector (7), reverting bar (4) one end bending, reverting bar (4) other end fixing with cabinet door connector (7) on, cabinet door connector (7) is fixedly installed on Qianmen (3) or back door (2), reverting bar (4) bending part is rotationally connected with on cabinet connector (6), cabinet connector (6) is fixedly installed on cabinet (1), reverting bar (4) is provided with sliding sleeve (8), sliding sleeve (8) is connected with returning spring (5) one end, returning spring (5) other end is connected with cabinet connector (6), on reverting bar (4), be positioned at appropriate location between sliding sleeve (8) and cabinet connector (6) and be provided with sliding sleeve stop block (9), Qianmen (3) or back door (2) closure, sliding sleeve stop block (9) backstop sliding sleeve (8), returning spring (5) is in the state that freely do not stress.
3. a kind of power distribution cabinet with cabinet door return mechanism as claimed in claim 1, it is characterized in that: radiator fan (4) is two and is used to form cross-ventilated radiator fan (4), two radiator fans (4) are installed on respectively two relative medial surfaces of (1) in cabinet.
4. a kind of power distribution cabinet with cabinet door return mechanism as claimed in claim 1, it is characterized in that: also comprise infrared sensing warning system, this infra-red sensing system comprises infrared temperature probe, front end circuit, A/D converter, single-chip microcomputer I, buzzing warning device and gsm module, described infrared temperature probe is arranged at switch contact and the conductor connector position in cabinet (1), infrared temperature probe is electrically connected with front end circuit, front end circuit is electrically connected with A/D converter, A/D converter is electrically connected with single-chip microcomputer I, single-chip microcomputer I and buzzing warning device, gsm module electrical connection, the signal of infrared temperature probe collection changes the signal of telecommunication through front end circuit into by A/D converter, signal of telecommunication input single-chip microcomputer I after transformation, single-chip microcomputer I exports two path control signal, wherein a road control signal is delivered to buzzing warning device and carries out onsite alarming, and another road control signal is delivered to gsm module and is sent the alarm signal being received with short message mode by cellphone subscriber by gsm module.
5. a kind of power distribution cabinet with cabinet door return mechanism as described in claim 1 or 4, it is characterized in that: also comprise gate control system, described gate control system comprises fingerprint identification device, magnetic control door lock, single-chip microcomputer II, MP3 module, single-chip microcomputer II is electrically connected with fingerprint identification device, magnetic control door lock and MP3 module respectively, fingerprint identification device gathers finger print information and finger print information is delivered to single-chip microcomputer II, and single-chip microcomputer II outputs control signals to MP3 module and sends voice signal or output control signals to the Qianmen of magnetic control door lock control cabinet or the switching at back door.
CN201420307548.6U 2014-06-11 2014-06-11 A kind of power distribution cabinet with cabinet door return mechanism Expired - Fee Related CN204012308U (en)

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Application Number Priority Date Filing Date Title
CN201420307548.6U CN204012308U (en) 2014-06-11 2014-06-11 A kind of power distribution cabinet with cabinet door return mechanism

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Application Number Priority Date Filing Date Title
CN201420307548.6U CN204012308U (en) 2014-06-11 2014-06-11 A kind of power distribution cabinet with cabinet door return mechanism

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104092126A (en) * 2014-06-11 2014-10-08 成都高华电气有限公司 Power distribution cabinet with cabinet door return apparatus
CN108988171A (en) * 2017-03-27 2018-12-11 漳州龙文区信创友工业设计有限公司 A kind of distribution box and its application method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104092126A (en) * 2014-06-11 2014-10-08 成都高华电气有限公司 Power distribution cabinet with cabinet door return apparatus
CN108988171A (en) * 2017-03-27 2018-12-11 漳州龙文区信创友工业设计有限公司 A kind of distribution box and its application method

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141210

Termination date: 20150611

EXPY Termination of patent right or utility model