CN208571932U

CN208571932U - One kind having safe voltage access device

Info

Publication number: CN208571932U
Application number: CN201821265830.7U
Authority: CN
Inventors: 庞建华; 韩英; 刘超
Original assignee: Beijing China Shine Technology Co Ltd
Current assignee: Beijing China Shine Technology Co Ltd
Priority date: 2018-08-07
Filing date: 2018-08-07
Publication date: 2019-03-01
Anticipated expiration: 2028-08-07

Abstract

The utility model discloses one kind to have safe voltage access device, including cabinet, the rear panel of the cabinet is equipped with an exchange input interface, multiple AC output interfaces, fuse holder and power switch, the front panel of the cabinet is equipped with communication interface and display screen, the top plate of the cabinet is equipped with ventilation opening, and the bottom plate of the cabinet is equipped with air inlet；Fuse is equipped in the fuse holder；Toroidal transformer and filter are equipped in the cabinet；The toroidal transformer and filters in series simultaneously exchange input interface and AC output interface connection with described by copper wire；Controller and fan are additionally provided in the cabinet, the controller is electrically connected temperature sensor, the fan swicth of the fan, current sensor, voltage sensor, is also electrically connected the communication interface and the display screen.The utility model has safe voltage access device, the alternating current of input is converted to the exchange electricity output of multiple low-voltages.

Description

One kind having safe voltage access device

Technical field

The utility model relates to field of power supplies, and in particular to one kind has safe voltage access device.

Background technique

Safe voltage, which refers to, will not make one voltage that is directly lethal or disabling, allow continuous contact under the conditions of general environment " Safety Extra Low Voltage " is 36V.Industry provides that safe voltage is not higher than 36V, and continuous contact safe voltage is 24V, safety electricity Stream is 10mA, and the extent of injury to shock by electricity to human body depends primarily on the size and conduction time length by body current.

Centralized power supply system, which refers to, installs access device concentratedly, the side to power after unified transformation distribution to each equipment The advantages of formula, centrally connected power supply scheme, is unified control and management power supply plan, reduces the use of engineering cable, and cosmetic treatment is walked Line etc..Access device centralized management is widely used in workshop, office space, Street lamps control etc..

Existing access device is only one or a few delivery outlet without being a lack of transformation, and for connecing The needs that manage and maintain for entering device go to scene, can not remotely obtain the operating status of centrally connected power source.

Utility model content

In view of the above-mentioned problems, the utility model, which provides one kind, has safe voltage access device, civilian alternating current is inputted Output safety voltage AC, not only can be with centrally connected power supply, but also live can obtain the case where running, specific structure with long-range It is as follows:

With safe voltage access device, including cabinet, the rear panel of the cabinet is equipped with an exchange input The front panel of interface, multiple AC output interfaces, fuse holder and power switch, the cabinet is equipped with communication interface and display Screen, the top plate of the cabinet are equipped with ventilation opening, and the bottom plate of the cabinet is equipped with air inlet；It is equipped with and protects in the fuse holder Dangerous silk；Toroidal transformer and filter are equipped in the cabinet；The toroidal transformer and filters in series and by copper wire with The exchange input interface is connected to AC output interface；Controller and fan, the controller electricity are additionally provided in the cabinet Temperature sensor, the fan swicth of the fan, current sensor, voltage sensor are connected, the communication interface is also electrically connected With the display screen.

Optionally, the cabinet is 19 cun of 2U cabinets of standard, and the exchange input interface is the three-in-one snap socket of product word, The AC output interface is 5.08 terminal of 2p, and the built-in slow cladding glass tube fuse of fuse holder, the power switch is Ship type switch, the communication interface are RJ45 band lamp network interface, and the display screen is 2.2 cun of acrylic baffle screens, and the annular becomes Depressor is AC220V400W toroidal transformer, using 23Z100 iron core, 0.74mm QZ-2 armature winding copper wire, 1.35mm QZ- 2 secondary windings copper wire, appear and weld secondary output at 6.3 circlip primary input terminals.

Optionally, it is located on the cabinet beside the AC output interface and is equipped with whether indicating circuit exports or judge to protect The indicator light of dangerous silk quality, the indicator light connect the controller or connect with the fuse.

Optionally, the tail portion of the cabinet is equipped with wiring frame.

Further alternative, the wiring frame includes including inhaling foot and fixed plate, and the fixed plate is equipped with vertical groove And horizontal groove.

Further optional, the fixed plate is equipped with dismountable cover board.

In the description of the present invention, term " front end ", " bottom ", " one end ", "outside", "horizontal", "inner", "upper", The instructions such as " top ", " rear end ", " both ends ", "horizontal", " lower section ", " inside ", " lower end ", " lower section ", " lower part ", " top " Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is that the utility model and simplification are retouched for ease of description It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, Therefore it should not be understood as limiting the present invention.

The utility model has the advantages that

The wisdom of the utility model, which is concentrated, has safe voltage access device, and toroidal transformer converts the alternating current of input For the exchange electricity output of multiple low-voltages, filter can be anti-interference.Current sensor and voltage sensor are each for monitoring The output voltage and electric current of road output.Wind-exchanging system is set in product, can be automatically opened by internal temperature situation fan carry out it is scattered Complete machine temperature is effectively reduced in heat.Operating condition with safe voltage access device can in local display screen display, The server in cloud can be uploaded to by communication interface, remotely access operating condition.In some embodiments, being additionally provided with can With the indicator light of the normal operation of direct mark output or failure.In some embodiments, there is wiring erection in cabinet tail portion Meter, line outlet is chaotic when avoiding being fully loaded with installation, and interests do not check route.

Detailed description of the invention

Fig. 1 is the rearview with safe voltage access device of the utility model；

Fig. 2 is the main view with safe voltage access device of the utility model；

Fig. 3 is the connection block diagram of the toroidal transformer with safe voltage access device of the utility model；

Fig. 4 is the connection block diagram of the controller with safe voltage access device of the utility model；

Fig. 5 is the bottom view of the wiring frame with safe voltage access device of the utility model；

Fig. 6 is the top view of the wiring frame with safe voltage access device of the utility model；

The scale bar and disunity of each figure in the figures above, clear in order to watch, each figure is fitted on the basis of existing When scaling.

In figure, cabinet 11, exchange input interface 111, AC output interface 112, fuse holder 113, power switch 114, Communication interface 115, display screen 116, toroidal transformer 21, filter 22, controller 31, temperature sensor 32, fan swicth 33, Current sensor 34, inhales foot 41, fixed plate 42, vertical groove 43, horizontal groove 44 at voltage sensor 35.

Specific embodiment

By the technology contents of the utility model are described in detail, construction feature, are reached purpose and efficacy, reality is hereby enumerated below It applies example and attached drawing is cooperated to be explained in detail.

With safe voltage access device, as shown in Figure 1 and Figure 2, including cabinet 11, the rear panel of the cabinet 11 It is equipped with an exchange input interface 111, multiple AC output interfaces 112, fuse holder 113 and power switch 114, the machine The front panel of case 11 is equipped with communication interface 115 and display screen 116, and the top plate of the cabinet 11 is equipped with ventilation opening (in figure not Show), the bottom plate of the cabinet 11 is equipped with air inlet (not shown)；Fuse is equipped in the fuse holder 113；Knot It closes shown in Fig. 3, is equipped with toroidal transformer 21 and filter 22 in the cabinet 11；The toroidal transformer 21 and filter 22 are gone here and there Join and pass through copper wire and exchanges input interface 111 and the connection of AC output interface 112 with described；As shown in connection with fig. 4, the cabinet 11 It is inside additionally provided with controller 31 and fan, the controller 31 is electrically connected temperature sensor 32, the fan swicth 33 of the fan, electricity Flow sensor 34, voltage sensor 35 are also electrically connected the communication interface 115 and the display screen 116.

The utility model has safe voltage access device, and toroidal transformer is converted to the alternating current of input multiple low The exchange electricity output of voltage, filter can be anti-interference.Current sensor and voltage sensor are used to monitoring per exporting all the way Output voltage and electric current.Wind-exchanging system is set in product, fan can be automatically opened by internal temperature situation and radiate, and is effectively dropped Low complete machine temperature.Operating condition with safe voltage access device is for example, output electric current, output voltage, starting fan situation Deng the server in cloud, remote access operation can also be uploaded to by communication interface in local display screen display Situation.Ventilation opening and air inlet are being not shown in the figure, and can be metal plate or metal mesh with holes.

Optionally, as specific embodiment, the cabinet 11 is 19 cun of 2U cabinets of standard, the exchange input interface 111 be the three-in-one snap socket of product word, and the AC output interface 112 is 5.08 terminal of 2p, and the fuse holder 113 is built-in Slow cladding glass tube fuse, the power switch 114 are ship type switch, and the communication interface 115 is RJ45 band lamp network interface, described Display screen 116 is 2.2 cun of acrylic baffle screens, and the toroidal transformer 21 is AC220V400W toroidal transformer, is used 23Z100 iron core, 0.74mm QZ-2 armature winding copper wire, 1.35mm QZ-2 secondary windings copper wire, 6.3 circlip primary input terminals Son appears and welds secondary output.The utility model has safe voltage access device, installs and designs for rack, using mark Quasi- 19 cun of 2U cabinets, alternating current 220V input, exchange 20V output are divided into 12 mouths outputs, and when wiring uses national standard 1.5mm²Two Heart copper wire, and single copper wire hundred meters of 1.5 Ω of resistance <, 100 meters of power-supply wiring length <.

The utility model has safe voltage access device, and the controller can be single-chip microcontroller or PLC or other can Programmed logic chip, temperature sensor, current sensor, voltage sensor are commercially available customary commercial, those skilled in the art Member can therefrom select.The controller is equipped with communication module, and communication module is carried out by communication interface and the server in cloud Data transmission.

Optionally, on the cabinet 11 be located at the AC output interface 112 beside be equipped with indicating circuit whether export or Judge that the indicator light of fuse quality, the indicator light connect the controller 31 or connect with the fuse.

The utility model have safe voltage access device, indicator light can directly identify output normal operation or Failure.

Optionally, the tail portion of the cabinet 11 is equipped with wiring frame.

Cabinet tail portion has wiring to set up meter, and line outlet is chaotic when avoiding being fully loaded with installation, and interests do not check route；

It is further alternative, as specific embodiment, the wiring frame include include inhaling foot 41 and fixed plate 42, The fixed plate 42 is equipped with vertical groove 43 and horizontal groove 44, be equipped in the vertical groove 43 and horizontal groove 44 with The clamp 45 of output line interference connection.Plastic suckers are used when using as foot is inhaled to laterally secure in cabinet tail portion (i.e. behind cabinet Plate), output line is first embedded in vertical groove, in being aggregated into horizontal groove.

Further optional, the fixed plate 42 is equipped with dismountable cover board.

Cover board can shelter from output line and groove, safety, beauty.

In conclusion the preferred embodiment of only the utility model, does not limit the protection scope of the utility model with this, it is all Equivalent changes and modifications made according to the scope of the patent of the utility model and the content of the manual are all what the utility model patent covered Within the scope of.

Claims

1. one kind has safe voltage access device, which is characterized in that including cabinet (11), on the rear panel of the cabinet (11) Equipped with an exchange input interface (111), multiple AC output interfaces (112), fuse holder (113) and power switch (114), The front panel of the cabinet (11) is equipped with communication interface (115) and display screen (116), and the top plate of the cabinet (11) is equipped with The bottom plate of ventilation opening, the cabinet (11) is equipped with air inlet；Fuse is equipped in the fuse holder (113)；

Toroidal transformer (21) and filter (22) are equipped in the cabinet (11)；The toroidal transformer (21) and filter (22) it connects and input interface (111) and AC output interface (112) connection is exchanged with described by copper wire；

It is additionally provided with controller (31) and fan in the cabinet (11), controller (31) electrical connection temperature sensor (32), Fan swicth (33), current sensor (34), the voltage sensor (35) of the fan, are also electrically connected the communication interface (115) and the display screen (116).

2. having safe voltage access device as described in claim 1, which is characterized in that the cabinet (11) is 19 cun of standard 2U cabinet, the exchange input interface (111) are the three-in-one snap socket of product word, and the AC output interface (112) is 2p 5.08 terminals, the built-in slow cladding glass tube fuse of fuse holder (113), the power switch (114) are ship type switch, institute Stating communication interface (115) is RJ45 band lamp network interface, and the display screen (116) is 2.2 cun of acrylic baffle screens, the annular transformation Device (21) is AC220V400W toroidal transformer, using 23Z100 iron core, 0.74mm QZ-2 armature winding copper wire, 1.35mm QZ-2 secondary windings copper wire, appears and welds secondary output at 6.3 circlip primary input terminals.

3. having safe voltage access device as described in claim 1, which is characterized in that be located on the cabinet (11) described The indicator light whether indicating circuit exported or judged fuse quality, the indicator light are equipped with beside AC output interface (112) It connects the controller (31) or connects with the fuse.

4. having safe voltage access device as described in claim 1, which is characterized in that the tail portion of the cabinet (11) is equipped with Wiring frame.

5. having safe voltage access device as claimed in claim 4, which is characterized in that the wiring frame includes inhaling foot (41) With fixed plate (42), the fixed plate (42) is equipped with vertical groove (43) and horizontal groove (44).

6. having safe voltage access device as claimed in claim 5, which is characterized in that the fixed plate (42) is equipped with can The cover board of disassembly.