A kind of Intelligent power distribution cabinet for transmission system
Technical field
The present invention relates to a kind of Intelligent power distribution cabinets for transmission system.
Background technology
Power distribution cabinet is that switchgear, measuring instrumentss, protection electric appliance and ancillary equipment are assembled in envelope by electrical wiring requirement
Close or semiclosed metal safe in, constitute low-voltage distribution equipment.It can be by manual or automatic switch connection or disjunction when normal operation
By protection electric appliance cut-out circuit or alarm when circuit, failure or irregular operating.Power distribution cabinet can also be aobvious by measuring instrumentss
Show running various parameters, certain electric parameters can also be adjusted, it is normal to deviateing by indicator light and loud speaker
Working condition is prompted or is sent out signal.
Existing power distribution cabinet intuitively observes all kinds of work status situations in the process of running, in order to facilitate personnel, usually
Equipped with several status indicator lamps, but status indicator lamp common configuration is single, opposite to show that content is also relatively simple, is not enough to cause
Staff's note that even if part power distribution cabinet by designing circuit is that indicator light display effect is reinforced, but these circuit technologies
Complexity, energy consumption is big and reliability is low, and moreover, the usual sound circuit performance of loud speaker being furnished on power distribution cabinet is poor, often
The case where leading to voice distortion, the reliability of device is reduced, the single of apparatus function makes it cannot be satisfied staff Gao Zhi
The requirement of energyization.
Invention content
The technical problem to be solved by the present invention is to:For overcome the deficiencies in the prior art, providing a kind of transmission of electricity that is used for is
The Intelligent power distribution cabinet of system.
The technical solution adopted by the present invention to solve the technical problems is:A kind of Intelligent power distribution for transmission system
Cabinet, including cabinet, the cabinet are equipped with cabinet door, switch, work light, sounding are equipped with successively from below to up in the cabinet door
Device, handle, display screen and state indicating mechanism;
The state indicating mechanism includes several state indication units, and the state indication unit includes general ray machine structure, strong
Ray machine structure and the second trepanning, the general ray machine structure and strong ray machine structure are separately positioned on the both sides of cabinet door, the second trepanning setting
In cabinet door, the general ray machine structure is connect by the second trepanning with strong ray machine structure;
The general ray machine structure includes that lampshade, status indicator lamp and vertically arranged extinction plate, the lampshade are fixed on cabinet door
On, the shape of the vertical cross-section of the lampshade is U-shaped, and status indicator lamp and extinction plate are arranged in lampshade, the extinction plate
Top and cabinet door it is hinged, the extinction plate is covered in the second trepanning;
The strong ray machine structure includes strong light unit and horizontally disposed support plate, and the support plate is fixed in cabinet door, institute
State the top that strong light unit is located at support plate, the strong light unit includes that supporting block, driving motor, horizontally disposed support are flat
Platform, horizontally disposed drive shaft, horizontally disposed screw rod, casing and reflecting plate, the supporting block are fixed on the top of support plate,
The driving motor is fixed on the top of supporting block, and the driving motor is connect by drive shaft with screw drive, the screw rod
It is set in casing, the periphery of the screw rod is equipped with the second external screw thread, is equipped with the second internal thread in described sleeve pipe, on the screw rod
The second external screw thread match with the second internal thread in casing, the reflecting plate is fixed on casing, the shape of the reflecting plate
Shape is hemispherical, and the centre of sphere and the status indicator lamp of the reflecting plate are located in same level, and the centre of sphere of the reflecting plate is close
Cabinet door;
It is equipped with audio output module in the sound-producing device, audio output circuit, institute are equipped in the audio output module
It includes integrated circuit, first resistor, second resistance R2, adjustable resistance, the first capacitance, the second capacitance, to state audio output circuit
Three capacitances, the 4th capacitance, the 5th capacitance, the 6th capacitance, light emitting diode and buzzer, the model of the integrated circuit
The bypass end of LM386N, the integrated circuit pass through third capacity earth, the normal phase input end and adjustable electric of the integrated circuit
The adjustable end connection of resistance, the reverse inter-input-ing ending grounding of the integrated circuit, the inverting input of the integrated circuit passes through adjustable
Resistance and the second capacitance connection, the external 9V DC voltage power supplies of power end of the integrated circuit, the power supply of the integrated circuit
End passes through the first capacity earth, the series circuit that the power end of the integrated circuit passes through light emitting diode and first resistor forms
Ground connection, the power end of the integrated circuit and the anode of light emitting diode connect, the gain end of the integrated circuit and the 4th electricity
Hold parallel connection, the output end of the integrated circuit passes through the 5th capacitance and the series circuit of second resistance R2 compositions is grounded, the collection
It is grounded by the series circuit that the 6th capacitance and buzzer form at the output end of circuit, the ground connection termination of the integrated circuit
Ground.
Preferably, in order to reinforce the light-absorbing ability of extinction plate, the extinction plate is close to status indicator lamp side
Surface is the rough surface of black.
Preferably, in order to ensure that the steady of support plate, the lower section of the support plate are equipped with vertically arranged set square, institute
The side for stating set square is fixed in cabinet door, and the top margin of the set square is fixed on the lower section of support plate.
Preferably, in order to ensure the stability of supporting block, the shape of the vertical cross-section of the supporting block is isosceles trapezoid.
Preferably, the carrying work of cabinet for convenience, the top of the cabinet is equipped with several hanging rings.
The invention has the advantages that the Intelligent power distribution cabinet for being used for transmission system passes through the driving electricity in strong light unit
Machine rotates, and hemispheric reflecting plate is made to shift to status indicator lamp, is propagated to change the light that status indicator lamp is sent out to cabinet door
Direction makes the light intensity higher of the state indication unit, it is easier to cause staff's note that timely carry out relevant operation, no
Only in this way, the integrated circuit in audio output circuit has the characteristics that oneself power consumption is low, supply voltage range is big and distortion is small, from
And the practicability and reliability of audio output circuit are improved, while it has the characteristics that outward element is few, reduces and is produced into
This, improves the market competitiveness.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the Intelligent power distribution cabinet for transmission system of the present invention;
Fig. 2 is the structural schematic diagram of the Intelligent power distribution cabinet for transmission system of the present invention;
Fig. 3 is the structural schematic diagram of the filtering cooling mechanism of the Intelligent power distribution cabinet for transmission system of the present invention;
Fig. 4 is the structural schematic diagram of the shell of the Intelligent power distribution cabinet for transmission system of the present invention;
Fig. 5 is the structural schematic diagram of the state indication unit of the Intelligent power distribution cabinet for transmission system of the present invention;
Fig. 6 is the structural schematic diagram of the strong light unit of the Intelligent power distribution cabinet for transmission system of the present invention;
Fig. 7 is the circuit diagram of the audio output circuit of the Intelligent power distribution cabinet for transmission system of the present invention;
In figure:1. cabinet, 2. cabinet doors, 3. switches, 4. work lights, 5. sound-producing devices, 6. handles, 7. hanging rings, 8. shapes
State indicating unit, 9. display screens, 10. first trepannings, 11. filtering cooling mechanisms, 12. shells, 13. filter screens, 14. fans, 15.
Fixed link, 16. first external screw threads, the last 17. light unit, 18. support plates, 19. set squares, 20. second trepannings, 21. lampshades, 22.
Status indicator lamp, 23. extinction plates, 24. supporting blocks, 25. driving motors, 26. support platforms, 27. drive shafts, 28. screw rods, 29.
Casing, 30. reflecting plates, U1. integrated circuits, R1. first resistors, R2. second resistances, Rp1. adjustable resistances, the first capacitances of C1.,
C2. the second capacitance, C3. third capacitances, the 4th capacitances of C4., the 5th capacitances of C5., the 6th capacitances of C6., LED1. light emitting diodes,
BL. buzzer.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
As shown in Fig. 1-Fig. 7, a kind of Intelligent power distribution cabinet for transmission system, including cabinet 1 is set on the cabinet 1
There is cabinet door 2, switch 3, work light 4, sound-producing device 5, handle 6, display screen 9 are equipped with successively from below to up in the cabinet door 2
And state indicating mechanism;
The state indicating mechanism includes several state indication units 8, and the state indication unit includes general ray machine structure, strong
Ray machine structure and the second trepanning 20, the general ray machine structure and strong ray machine structure are separately positioned on the both sides of cabinet door 2, second trepanning 20
It is arranged in cabinet door 2, the general ray machine structure is connect by the second trepanning 20 with strong ray machine structure;
The general ray machine structure includes lampshade 21, status indicator lamp 22 and vertically arranged extinction plate 23, and the lampshade 21 is solid
It is scheduled in cabinet door 2, the shape of the vertical cross-section of the lampshade 21 is U-shaped, and status indicator lamp 22 and extinction plate 23 are arranged at lamp
In cover 21, the top of the extinction plate 23 is hinged with cabinet door 2, and the extinction plate 23 is covered in the second trepanning 20;
The strong ray machine structure includes strong light unit 17 and horizontally disposed support plate 18, and the support plate 18 is fixed on cabinet door
On 2, the strong light unit 17 is located at the top of support plate 18, and the strong light unit includes supporting block 24, driving motor 25, level
Support platform 26, horizontally disposed drive shaft 27, horizontally disposed screw rod 28, casing 29 and the reflecting plate 30 of setting, the branch
Bracer 24 is fixed on the top of support plate 18, and the driving motor 25 is fixed on the top of supporting block 24, the driving motor 25
It is sequentially connected by drive shaft 27 and screw rod 28, the screw rod 28 is set in casing 29, and the periphery of the screw rod 28 is equipped with the
Two external screw threads, described sleeve pipe 29 is interior to be equipped with the second internal thread, the second external screw thread on the screw rod 28 and second in casing 29
Internal thread matches, and the reflecting plate 30 is fixed on casing 29, and the shape of the reflecting plate 30 is hemispherical, the reflecting plate
30 centre of sphere is located at status indicator lamp 22 in same level, and the centre of sphere of the reflecting plate 30 is close to cabinet door 2;
It is equipped with audio output module in the sound-producing device 5, audio output circuit, institute are equipped in the audio output module
It includes integrated circuit U1, first resistor R1, second resistance R2, adjustable resistance RP1, the first capacitance C1, to state audio output circuit
Two capacitance C2, third capacitance C3, the 4th capacitance C4, the 5th capacitance C5, the 6th capacitance C6, Light-emitting diode LED 1 and buzzer
The bypass end of the model LM386N, the integrated circuit U1 of BL, the integrated circuit U1 are grounded by third capacitance C3, described
The normal phase input end of integrated circuit U1 is connect with the adjustable end of adjustable resistance RP1, the anti-phase input termination of the integrated circuit U1
The inverting input on ground, the integrated circuit U1 is connect by adjustable resistance RP1 with the second capacitance C2, the integrated circuit U1's
The power end of the external 9V DC voltage power supplies of power end, the integrated circuit U1 passes through the first capacitance C1 ground connection, the integrated electricity
The power end of road U1 is grounded by the series circuit of Light-emitting diode LED 1 and first resistor R1 compositions, the integrated circuit U1's
Power end is connect with the anode of Light-emitting diode LED 1, and the gain end of the integrated circuit U1 is in parallel with the 4th capacitance C4, described
The output end of integrated circuit U1 is grounded by the series circuit of the 5th capacitance C5 and second resistance R2 compositions, the integrated circuit U1
Output end pass through the series circuit ground connection of the 6th capacitance C6 and buzzer BL compositions, the ground connection termination of the integrated circuit U1
Ground.
Preferably, in order to reinforce 23 light-absorbing ability of extinction plate, the extinction plate 23 is close to status indicator lamp 22
The surface of side is the rough surface of black.
Preferably, in order to ensure that the steady of support plate 18, the lower section of the support plate 18 are equipped with vertically arranged triangle
The side of plate 19, the set square 19 is fixed in cabinet door 2, and the top margin of the set square 19 is fixed on the lower section of support plate 18.
Preferably, in order to ensure the stability of supporting block 24, the shape of the vertical cross-section of the supporting block 24 is isosceles
It is trapezoidal.
Preferably, the carrying work of cabinet 1 for convenience, the top of the cabinet 1 is equipped with several hanging rings 7.
When the power distribution cabinet is run, in order to reinforce the display of a certain state, so that status indicator lamp 22 is sent out strong luminous energy and draw enough
Play staff's note that strong light unit 17 brings into operation at this time.In strong light unit 17, driving motor 25 rotates, and drives and drives
Moving axis 27 is rotated along center axis, to make screw rod 28 rotate, due in the second external screw thread and casing 29 on screw rod 28
The second internal thread match, casing 29 is translated to status indicator lamp 22, drive reflecting plate 30 pass through cabinet door 2 on second
Trepanning 20 is moved to status indicator lamp 22, after passing through the second trepanning, so that extinction plate 23 is rotated up along top, is worked as reflecting plate later
30 when moving a certain distance, and driving motor 25 stops operating, and the light that status indicator lamp 22 is sent out to cabinet door at this time is through reflecting plate
30 effect, light ray parallel strengthen the intensity of light to external emission, keep display brighter, due to other state indication units 8
In, the light that status indicator lamp 22 is sent out to cabinet door 2 is absorbed by extinction plate 23, to make state in the status display unit 8 refer to
Show that the display brightness of lamp 22 is more prominent, it is easier to which difference identification facilitates staff to observe in time.This is used for transmission system
Intelligent power distribution cabinet rotated by driving motor 25 in strong light unit 17, so that hemispheric reflecting plate 30 is shifted to state instruction
Lamp 22 makes the light intensity higher of the state indication unit 8 to change the light that status indicator lamp 22 is sent out to cabinet door 2, it is easier to
Cause staff's note that timely carry out relevant operation.
In filtering cooling mechanism 11, by the way that shell 12 to be sleeved in the first trepanning 10, and the fixation on shell 12 is utilized
Bar 15 is rotated along the central axis of shell 12, with that will fasten or be detached from trepanning according to direction of rotation shell 12, to realize that filtering dissipates
11 installing and dismounting of heat engine structure it is convenient and efficient.
In order to reduce the distortion of sound-producing device 5, its reliability is improved, inside it the audio output electricity of audio output module
The model LM386N of Lu Zhong, integrated circuit U1 are acted on using the current control of the triode in integrated circuit U1, by power supply
Power is converted into the electric current changed according to input signal, and wherein input signal is determined by adjusting adjustable resistance RP1.Increase to change
The gain end of benefit, integrated circuit U1 is parallel with the 4th capacitance C4, while by being terminated into third capacitance in the bypass of integrated circuit
C3 plays the effect for reducing noise pollution, to improve the reliability of audio output circuit.Moreover, the integrated electricity
Road U1 has the characteristics that oneself power consumption is low, supply voltage range is big and distortion is small, to improve the practicality of audio output circuit
Property and reliability, while it has the characteristics that outward element is few, reduces production cost, improves the market competitiveness.
Compared with prior art, which passes through the driving motor in strong light unit 17
25 rotations, make hemispheric reflecting plate 30 shift to status indicator lamp 22, to change the light that status indicator lamp 22 is sent out to cabinet door 2
The line direction of propagation makes the light intensity higher of the state indication unit 8, it is easier to cause staff's note that timely progress is related
Operation, moreover, with oneself power consumption, low, supply voltage range is greatly and distortion is small by the integrated circuit U1 in audio output circuit
The characteristics of, to improve the practicability and reliability of audio output circuit, while it has the characteristics that outward element is few, reduces
Production cost, improves the market competitiveness.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.