CN106175102A - A kind of computer desk - Google Patents
A kind of computer desk Download PDFInfo
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- CN106175102A CN106175102A CN201610791343.3A CN201610791343A CN106175102A CN 106175102 A CN106175102 A CN 106175102A CN 201610791343 A CN201610791343 A CN 201610791343A CN 106175102 A CN106175102 A CN 106175102A
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- 239000004065 semiconductor Substances 0.000 claims description 46
- 239000003990 capacitor Substances 0.000 claims description 35
- 230000005611 electricity Effects 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 6
- 238000005868 electrolysis reaction Methods 0.000 claims description 4
- 238000004148 unit process Methods 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 206010020772 Hypertension Diseases 0.000 description 1
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 208000036319 cervical spondylosis Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
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- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 208000005801 spondylosis Diseases 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/03—Tables or desks for office equipment, e.g. typewriters, keyboards with substantially horizontally extensible or adjustable parts other than drawers, e.g. leaves
- A47B21/0314—Platforms for supporting office equipment
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/03—Tables or desks for office equipment, e.g. typewriters, keyboards with substantially horizontally extensible or adjustable parts other than drawers, e.g. leaves
- A47B2021/0307—Platforms for supporting office equipment and wrists
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/03—Tables or desks for office equipment, e.g. typewriters, keyboards with substantially horizontally extensible or adjustable parts other than drawers, e.g. leaves
- A47B21/0371—Platforms for supporting wrists
- A47B2021/0392—Platforms for supporting wrists height adjustable
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Abstract
The invention provides a kind of computer desk, belong to electric elevatable table.It solving the unadjustable height of existing computer desk, power consumption greatly, loss is many, the problem of unstable working condition.The present invention includes a kind of computer desk.The present invention arranges lowering or hoisting gear between display and support, and this lowering or hoisting gear can make display opposite brackets in the vertical direction move, thus realize the lifting of display and table, the setting of this structure, the demand that human body raises can not only be met, task efficiency can be improved simultaneously, further, display torr hands arranges, with table torr hands, the adjustable computer desk height that can more rationalize, and it is easy to use, further, the electric lifting system power consumption that Double Motor Control box line road controls is relatively low, it is lost less, system work limitation rate is high, speed is fast, and system stability.
Description
Technical field
The invention belongs to electric elevatable table, relate to a kind of computer desk and a kind of Double Motor Control box line road.
Background technology
Computer desk is the desk for placing computer, is critically important office and the articles for daily use, in the prior art, typically
Computer desk be to realize putting of computer, but general computer desk can not be automatically adjusted computer desk according to the demand of human body
Highly, thus the work requirements of people cannot be met, and, people's this computer desk commonly used is easy to obtain cervical spondylosis, hypertension
Etc. disease and then attenuating work efficiency.
Traditional automatic lifting table is expensive, and it mainly lifts dependence electric lifting system, and the quality of jacking system is certainly
Its service life fixed.
In sum, for solving the deficiency of existing computer desk, need design a kind of reasonable in design, adjustable-height, power consumption
Low, loss is few, the computer desk that duty high speed is stable.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of simple in construction, reasonable in design,
Height-adjustable computer desk.
The purpose of the present invention can be realized by following technical proposal: a kind of computer desk, it is characterised in that: include
Support；
Power set, described power set are arranged in support；
Lowering or hoisting gear, described lowering or hoisting gear is located on support, and described lowering or hoisting gear include lifting interior bar, lift outer bar,
Lifting inner shell and lifting shell；In in described lifting, bar inserts and lifts outer bar, and lifting, bar rotates even with described power set
Connecing, the outer masthead end of described lifting embeds lifting shell, and described lifting enclosure inserts lifting inner shell, described lifting inner shell lower end
It is located in support；
Display, described display is arranged on lifting shell upper end；
Table, described table is arranged on lifting shell lower end；
Described computer desk also includes the Double Motor Control box line road for controlling power set, described Double Motor Control box line
Road includes central processing unit, comprises the first chip that model is ATMEGA16A, power circuit, key circuit, and motor drives electricity
Road, motor feedback circuit；
Power circuit is connected with central processing unit；
Key circuit is connected to central processing unit input, and central processing unit receives the signal from key circuit, and right
Received signal processes；
Motor-drive circuit is connected to central processing unit outfan, and motor-drive circuit receives and processes through central processing unit
After signal, and according to the duty of the signal control motor motor received；
Meanwhile, motor output signal is sent to motor feedback circuit by motor-drive circuit, and motor feedback circuit is connected to
Central processing unit.
In above-mentioned a kind of computer desk, in described lifting, bar two ends are in the shape of a spiral, and it is axial to lift interior bar lower end edge
Direction is provided with the breach of crescent shape；The outer bar of described lifting moves relative to bar in the vertical direction in lifting.
In above-mentioned a kind of computer desk, in described lifting bar lower end the most successively install fastening dividing plate, tumbler,
Nut, described fastening dividing plate pair of horns is provided with locating ring, installs alignment pin in described locating ring；Described tumbler is arranged on breach
Upper and tumbler outer surface is hexa-prism.
In above-mentioned a kind of computer desk, described lifting inner shell includes that upper end, bottom, described bottom are provided with casing
And fixing with casing be connected, described casing is arranged in support, the pad of every side, the described upper end all side's of being provided with shapes.
In above-mentioned a kind of computer desk, described lifting shell includes that top ends, top, bottom, described top ends are provided with
Elliptical aperture, is provided with display torr hands in outer surface of upper near display side, and in lower external face near display side
Being provided with table torr hands, the side of lower external face offers step surface and step surface towards display；Described display is arranged on
On hand, described table is arranged on table torr on hand to display torr；It is provided with dividing plate between described casing and described fastening dividing plate, described
Dividing plate is connected with the alignment pin bolt of fastening dividing plate.
In above-mentioned a kind of computer desk, installing power set in described casing, described power set include motor, transmission
Box, gear box connects motor and inside can be inserted into tumbler, is provided with plate lid, between described plate lid and gear box bottom gear box
Bolt connects；Also install in described support and control box；The casing lower end of described lifting inner shell is provided with casing plate, described casing plate with
Casing bolt connects；Described casing is provided with " U " type frame away from display one side, described " U " type frame opening towards casing, and with
Casing bolt connects.
In above-mentioned a kind of computer desk, described power circuit includes: the second chip IC 2, described second chip IC 2 model
It is 34063, the first plug CN1, the 3rd plug CN3, the first varistor ZNR1, the first electric capacity C1, the second electric capacity C2, the 3rd electricity
Hold C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6, the 7th electric capacity C7, first electrochemical capacitor E1, the second electrochemical capacitor
E2, the 3rd electrochemical capacitor E3, the 4th electrochemical capacitor E4, the 5th electrochemical capacitor E5, the 6th electrochemical capacitor E6, the 3rd diode D3,
4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 13rd diode D13, the first resistance
R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 9th resistance R9, the tenth resistance R10, the 13rd resistance R13, the tenth
Four resistance R14, the 26th resistance R26, the 30th resistance R30, first Zener diode ZD1, the first inductance L1, first are luminous
Diode (LED) 1, the 4th metal-oxide-semiconductor Q4, the 3rd audion Q3, the 5th audion Q5, the first adjustable resistance TR1, buzzer BUZ；
The concrete connection of described power circuit is:
First plug CN1 the first port ground connection, the second port is connected to by the first varistor ZNR1, the first electric capacity C1,
One end of first parallel branch of the first electrochemical capacitor E1 composition, this first parallel branch is provided with a ground path, and this is first years old
The parallel branch other end is connected to the 3rd diode D3 positive pole；
3rd diode D3 negative pole is connected to by the second electric capacity C2, the 3rd electrochemical capacitor E3, second resistance R2, the 3rd electric capacity
C3, the second parallel branch of the first Zener diode ZD1 composition, wherein, go here and there between the 3rd electrochemical capacitor E3 and the second resistance R2
Connection connection has the first resistance R1, and the second parallel branch is provided with a ground path；
3rd diode D3 negative pole is additionally coupled to by the second electrochemical capacitor E2, the 3rd in parallel of the 4th electric capacity C4 composition
Road, the 3rd parallel branch is provided with a ground path；
The 3rd parallel branch other end is connected to the 7th pin of the second chip IC 2 via a resistance；
First pin of the second chip IC 2 is connected simultaneously to the 7th pin and the 8th pin of the second chip IC 2；
Second pin of the second chip IC 2 is connected to by the 4th diode D4, the 6th electric capacity C6, the 5th electrochemical capacitor E5 group
The 4th parallel branch become, wherein, is in series with the first inductance L1 between the 4th diode D4 and the 6th electric capacity C6, the 4th in parallel
Road is provided with a ground path；
3rd pin of the second chip IC 2 is connected to the ground path of the 4th parallel branch via the 5th electric capacity C5；
4th pin ground connection of the second chip IC 2；
The other end of the 4th parallel branch is connected to the 5th pin of the second chip IC 2 via the 3rd resistance R3, and simultaneously
Five pins are via the 4th resistance R4 ground connection；
The other end of the 4th parallel branch is further connected to the 5th diode D5, the 6th diode D6, the 7th diode
The positive pole of D7；
5th diode D5 negative pole is connected to first port of the 3rd plug CN3, the 3rd plug CN3 the second port ground connection,
3rd plug CN3 the 3rd port connects the 26th pin of the first chip IC 1, and the first port is also via the 30th resistance R30 even
It is connected to the first LED 1, the first LED 1 other end ground connection, the 30th resistance R30 and the first luminescence two
Connecting between the pipe LED1 of pole has the 26th resistance R26, the 26th resistance R26 another terminates the 9th of the first chip IC 1 and draws
Foot；
The drain electrode with the 13rd resistance R13 and the 4th metal-oxide-semiconductor Q4 respectively of 7th diode D7 negative pole is connected, the 4th MOS
The grid of pipe Q4 and the 13rd resistance R13 are connected in parallel to the colelctor electrode of the 5th audion Q5, the emitter stage of the 5th audion Q5
Ground connection, the base stage of the 5th audion Q5 is vacant after being connected to the 14th resistance R14, and the source electrode of the 4th metal-oxide-semiconductor Q4 is connected to by
5th parallel branch of six electrochemical capacitor E6 and the 15th electric capacity C15 composition, the 5th parallel branch is provided with a ground path, the
The other end of five parallel branches is connected to power vd D via after the first adjustable resistance TR1；
6th diode D6 negative pole is connected to the 6th parallel branch being made up of the 4th electrochemical capacitor E4 and the 7th electric capacity C7,
6th parallel branch is provided with a ground path, and the 6th parallel branch other end is connected to by the 13rd via the 9th resistance R9
7th parallel branch of pole pipe D13 and buzzer BUZ composition, the 7th parallel branch other end is connected to the collection of the 3rd audion Q3
Electrode, the grounded emitter of the 3rd audion Q3, the base stage of the 3rd audion Q3 is connected to the first chip via the tenth resistance R10
31st pin of IC1.
In above-mentioned a kind of computer desk, described motor feedback circuit includes:
31st resistance R31, the 32nd resistance R32, the 33rd resistance R33, the 34th resistance R34, the 3rd
15 resistance R35, the 36th resistance R36, the 37th resistance R37, the 38th resistance R38, the 39th resistance R39,
40th resistance R40, the 41st resistance R41, the 42nd resistance R42, the 9th electric capacity C9, the tenth electric capacity C10, the 11st electricity
Hold C11, the 12nd electric capacity C12；
The described concrete connection of motor feedback circuit is:
36th resistance R36, the 31st resistance R31, the 35th resistance R35 one end end points altogether connects, and the 30th
The other end of six resistance R36 is connected to power supply VCC, and the other end of the 31st resistance R31 is connected to the 4th of the first chip IC 1
13 pins, the other end of the 35th resistance R35 is in parallel via the 12nd electric capacity C12 and the 31st resistance R31；
37th resistance R37, the 32nd resistance R32, the 38th resistance R38 one end end points altogether connects, and the 30th
The other end of seven resistance R37 is connected to power supply VCC, and the other end of the 32nd resistance R32 is connected to the 4th of the first chip IC 1
12 pins, the other end of the 38th resistance R38 is in parallel via the 11st electric capacity C11 and the 32nd resistance R32；
40th resistance R40, the 33rd resistance R33, the 39th resistance R39 one end end points altogether connects, the 40th electricity
The other end of resistance R40 is connected to power supply VCC, and the other end of the 33rd resistance R33 is connected to the 41st of the first chip IC 1
Pin, the other end of the 39th resistance R39 is in parallel via the tenth electric capacity C10 and the 33rd resistance R33；
41st resistance R41, the 34th resistance R34, the 42nd resistance R42 one end end points altogether connects, and the 40th
The other end of one resistance R41 is connected to power supply VCC, and the other end of the 34th resistance R34 is connected to the 4th of the first chip IC 1
Ten pins, the other end of the 42nd resistance R42 is in parallel via the 9th electric capacity C9 and the 34th resistance R34.
In above-mentioned a kind of computer desk, described key circuit includes:
23rd resistance R23, the 24th resistance R24, the 27th resistance R27, the 28th resistance R28, second
19 resistance R29, the first two-way TVS diode T1, the second two-way TVS diode T2, the 3rd two-way TVS diode T3, first
Switch SW1, second switch SW2, the 3rd switch SW3, the 16th electric capacity C16, the 17th electric capacity C17, the 18th electric capacity C18, the
Six audion Q6；
The concrete connection of described key circuit is:
Key circuit is provided with four outfans, the first key circuit outfan, the second key circuit outfan, the 3rd button
Circuit output end, WAKE outfan, wherein the first key circuit outfan is connected to the 12nd pin of the first chip IC 1, the
Two key circuit outfans are connected to the tenth pin of the first chip IC 1, and the 3rd key circuit outfan is connected to the first chip
11st pin of IC1, WAKE outfan is connected to the 26th pin of the first chip IC 1；
First key circuit outfan is connected to one end of the 3rd two-way TVS diode T3, and this circuit connects the tenth
Six electric capacity C16 and the 27th resistance R27, the 16th electric capacity C16 other end ground connection, the 27th resistance R27 other end connects
To power supply VCC, the 3rd two-way TVS diode T3 is provided with the first switch SW1 of a ground connection；
Second key circuit outfan is connected to one end of the first two-way TVS diode T1, and this circuit connects the tenth
Eight electric capacity C18 and the 29th resistance R29, the 18th electric capacity C18 other end ground connection, the 29th resistance R29 other end connects
To power supply VCC, the first two-way TVS diode T1 is provided with the second switch SW2 of a ground connection；
3rd key circuit outfan is connected to one end of the second two-way TVS diode T2, and this circuit connects the tenth
Seven electric capacity C17 and the 28th resistance R28, the 17th electric capacity C17 other end ground connection, the 28th resistance R28 other end connects
To power supply VCC, the second two-way TVS diode T2 is provided with the 3rd switch SW3 of a ground connection；
WAKE outfan, via being connected to the base stage of the 6th audion Q6 after the 24th resistance R24, this circuit connects
There are the 23rd resistance R23, the other end ground connection of the 23rd resistance R23, the transmitter ground connection of the 6th audion Q6；
The colelctor electrode of the 6th audion Q6 and the first two-way TVS diode T1, the second two-way TVS diode T2, the 3rd pair
To the other end of TVS diode T3 for being connected in parallel.
In above-mentioned a kind of computer desk, described motor-drive circuit includes:
3rd chip IC 3, described 3rd chip IC 3 model is ULN2003, the 19th electric capacity C19, the 20th electric capacity C20,
Second Zener diode ZD2, the 3rd Zener diode ZD3 the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance
R8, the 11st resistance R11, the 12nd resistance R12,
First metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the first diode D1, the second diode D2, the 9th diode D9, the 12nd
Pole pipe D10, the 11st diode D11, the 12nd diode D12, the first relay R L1, the second relay R L2, the 3rd relay
Device RL3, the 4th relay R L4, the second varistor ZNR2, the 3rd varistor ZNR3；
The concrete connection of described motor-drive circuit is:
4th pin of the 3rd chip IC 3 and the 37th pin of the first chip IC 1 connect；
5th pin of the 3rd chip IC 3 and the 36th pin of the first chip IC 1 connect；
6th pin of the 3rd chip IC 3 and the 35th pin of the first chip IC 1 connect；
7th pin of the 3rd chip IC 3 and the 34th pin of the first chip IC 1 connect；
Motor-drive circuit is provided with four outfans, the first motor drive output, PWM1 outfan, and the second motor drives
Outfan, PWM2 outfan；Wherein the first motor drive output is connected to the 33rd pin of the first chip, and PWM1 exports
End is connected to the 13rd pin of the first chip IC 1, and the second motor drive output is connected to the 32nd of the first chip and draws
Foot, PWM2 outfan is connected to the 14th pin of the first chip IC 1；
First motor drive output is connected to the 6th resistance R6, and this circuit connects the 19th electric capacity C19 and second
Zener diode ZD2, the 19th electric capacity C19 and the other end earth of the second Zener diode ZD2；6th resistance R6 another
End is connected to the source electrode of the first metal-oxide-semiconductor Q1, is provided with an earth resistance between the 6th resistance R6 and the first metal-oxide-semiconductor Q1；
The grid of the first metal-oxide-semiconductor Q1 is connected to PWM1 outfan via the 12nd resistance R12, and this circuit connects the 5th
Resistance R5, the other end ground connection of the 5th resistance R5；
The drain circuit of the first metal-oxide-semiconductor Q1 via being connected to a 24V power supply after the first diode D1, the first metal-oxide-semiconductor Q1's
Drain circuit is further connected to the normally-closed contact end of the first relay R L1 and the second relay R L2；
The normally opened contact end of the first relay R L1 is connected to 24V power supply, the coiler part of the first relay R L1 and the 9th
Diode D9 connects, and the 9th diode D9 negative pole circuit is connected to a 24V power supply, and the 9th diode D9 positive pole circuit is connected to the
11st pin of three chip IC 3；
The normally opened contact end of the second relay R L2 is connected to 24V power supply, the coiler part of the second relay R L2 and the tenth
Diode D10 connects, and the tenth diode D10 negative pole circuit is connected to a 24V power supply, the tenth diode D10 positive pole connection
The 13rd pin to the 3rd chip IC 3；
The armature end of the first relay R L1 is connected to electric motor positive pole, and the armature end of the second relay R L2 is connected to electricity
Machine motor negative pole, connects between the armature end circuit of the first relay R L1 and the second relay R L2 and has the second varistor
ZNR2；
Second motor drive output is connected to the 8th resistance R8, and this circuit connects the 20th electric capacity C20 and the 3rd
Zener diode ZD3, the 20th electric capacity C20 and the other end earth of the 3rd Zener diode ZD3；8th resistance R8 another
End is connected to the source electrode of the second metal-oxide-semiconductor Q2, is provided with an earth resistance between the 8th resistance R8 and the second metal-oxide-semiconductor Q2；
The grid of the second metal-oxide-semiconductor Q2 is connected to PWM1 outfan via the 11st resistance R11, and this circuit connects the 7th
Resistance R7, the other end ground connection of the 7th resistance R7；
The drain circuit of the second metal-oxide-semiconductor Q2 via being connected to a 24V power supply after the second diode D2, the second metal-oxide-semiconductor Q2's
Drain circuit is further connected to the 3rd relay R L3 and the normally-closed contact end of the 4th relay R L4；
The normally opened contact end of the 3rd relay R L3 is connected to 24V power supply, the coiler part and the tenth of the 3rd relay R L3
One diode D11 series connection, the 11st diode D11 negative pole circuit is connected to a 24V power supply, the 11st diode D11 electrode line
Road is connected to the tenth pin of the 3rd chip IC 3；
The normally opened contact end of the 4th relay R L4 is connected to 24V power supply, the coiler part and the tenth of the 4th relay R L4
Two diode D12 series connection, the 12nd diode D12 negative pole circuit is connected to a 24V power supply, the 12nd diode D12 electrode line
Road is connected to the 12nd pin of the 3rd chip IC 3；
The armature end of the 3rd relay R L3 is connected to electric motor positive pole, and the armature end of the 4th relay R L4 is connected to electricity
Machine motor negative pole, connects between the 3rd relay R L3 and the armature end circuit of the 4th relay R L4 and has the 3rd varistor
ZNR3。
Based on technique scheme, the embodiment of the present invention at least can produce following beneficial effect:
1, the present invention arranges lowering or hoisting gear between display and support, and this lowering or hoisting gear can make display opposite brackets
In the vertical direction moves, thus realizes the lifting of display and table, the setting of this structure, can not only meet what human body raised
Demand, can improve task efficiency simultaneously.
2, it is provided with display torr hands at lifting outer surface of outer cover near display side, by regulating the height of display torr hands
Degree can realize the lifting of display, secondly, is provided with table torr hands at lifting shell lower surface near display side, by regulation
The height of table torr hands can realize the lifting of table, and display torr hands arranges, with table torr hands, the regulation computer that can more rationalize
Table height, and easy to use.
3, the electric lifting system power consumption that Double Motor Control box line road controls is relatively low, is lost less, system work limitation rate
Height, speed is fast, and system stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of a preferred embodiment of the present invention.
Fig. 2 is bar and the structural representation lifting outer bar in lifting.
Fig. 3 is the structural representation of lifting shell and lifting inner shell.
Fig. 4 is the structural representation of lifting shell and lifting inner shell.
Fig. 5 is the structural representation of power set.
Fig. 6 is bar and the structural representation of support in lifting.
Fig. 7 is bar and the structural representation of support in lifting.
Fig. 8 is the structural representation of the interior bar lower end of lifting.
Fig. 9 is the structural representation after the interior bar of lifting assembles.
Figure 10 is Double Motor Control box circuit block-diagram.
Figure 11 is central processing unit (the first chip) figure.
Figure 12 is power circuit layout.
Figure 13 is motor feedback circuit circuit diagram.
Figure 14 is key circuit layout.
Figure 15 is motor-drive circuit layout.
Figure 16 is the 3rd chip figure.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Fig. 1-Fig. 9, this computer desk includes support 100, power set, lowering or hoisting gear 200, display 300, table
400, this computer desk also includes the Double Motor Control box line road for controlling power set；Power set are arranged in support 100,
Lowering or hoisting gear 200 is located on support 100, and lowering or hoisting gear 200 includes lifting interior bar 220, lifting outer bar 230, lifting inner shell 240
And lifting shell 250；In in lifting, bar 220 inserts and lifts outer bar 230, and lifting, bar 220 is rotationally connected with power set, rises
Dropping outer bar 230 top and embed lifting shell 250, the internal lifting inner shell 240 that inserts of lifting shell 250, lifting inner shell 240 lower end sets
In support 100, display 300 is arranged on lifting shell 250 upper end；Table 400 is arranged on lifting shell 250 lower end.
As shown in Fig. 2, Fig. 8, Fig. 9, in the present embodiment, it is stipulated that lowering or hoisting gear 200 is under one end of support 100 is
End, lowering or hoisting gear 200 is upper end near display 300 one end, has elliptoid projection 231 lifting outer bar 230 top end face,
This projection 231 is arranged in the elliptical aperture of top ends 251, can play positioning action, the installation of the outer bar 230 of easy of rise；Lifting
In the shape of a spiral, and in lifting, bar 220 its axial direction of lower end edge is provided with the breach 223 of crescent shape at interior bar 220 two ends；This structure,
The outer bar 230 of lifting can be made to move relative to bar 220 in the vertical direction in lifting.
Further, bar 220 lower end in lifting, fastening dividing plate 221, tumbler 222, nut are installed the most successively
224, this fastening dividing plate 221 pair of horns installs alignment pin 221b in being provided with locating ring 221a, locating ring 221a；Tumbler 222 is pacified
Being contained on breach 223 and tumbler 222 outer surface is hexa-prism, during work, tumbler 222 operates with gear box 520, thus
In driving lifting, bar 220 rotates, and nut 224 can prevent tumbler 222 from coming off at work.
As shown in Fig. 3-Fig. 4, Fig. 6-Fig. 7, lifting inner shell 240 includes upper end 241, bottom 243, and bottom 243 is welded
Casing 242 and the casing 242 of T-Ring encirclement shape are opening down, are provided with rectangular indentation (not marking in figure) in casing 242 upper surface,
The pad 241a, this pad 241a of every side, the upper end 241 all side's of being provided with shapes and lifting shell 250 inwall CONTACT WITH FRICTION, can make
Reduce lifting inner shell 240 and lift the abrasion between shell 250；Lifting shell 250 includes top ends 251, top 252, bottom
253, surface, top 252 is provided with at least one through hole and all along the most equidistant row of lifting shell 250 near display 300 side
Row, this through hole is for installing the display torr hands 252a of display 300, and through hole is connected with display torr hands 252a bolt, logical
Cross select through hole position, the height of adjustable display 300, be provided with near display 300 side on surface, bottom 253 for
Installing the table torr hands 2531 of table 400, this table torr hands 2531 includes connecting portion 2531a, " Y " portion 2531b, connecting portion
2531a is connected with lifting shell 250 bolt, and " Y " portion 2531b is located at table 400 bottom surface and is connected with table 400 bolt, this table
Plate torr hands 2531 can make table 400 and lifting, and shell 250 is stronger links together.
Further, it is provided with dividing plate 210, dividing plate 210 and fastening between casing 242 and the fastening dividing plate 221 of lifting inner shell
The alignment pin 221b bolt of dividing plate 221 connects, and during work, dividing plate 210 is stuck in casing 242, thus fixing fastening dividing plate 221.
As shown in Fig. 5-Fig. 6, in support 100, it is provided with edge-on control box 120, and this control box 120 and lifting inner shell
Casing 242 independently separates, and installs power set in casing 242, and these power set include motor 510, gear box 520, gear box
520 connect motor 510 and gear box 520 internal insertion tumbler 222, are provided with plate lid 521, plate lid 521 bottom gear box 520
Being connected with bolt between gear box 520, during work, control box 120 controls motor 510 and operates, and motor 510 drives gear box 520,
Gear box 520 connects lowering or hoisting gear 200, thus realizes the automatic lifting of computer desk.
Further, at casing 242 bottom surface fitting machine coverboard 242a, casing plate 242a is connected with casing 242 bolt, can make
Sealing shape it is in, it is to avoid dust and foreign material fly in motor 510, it is ensured that the work efficiency of motor 510 in casing 242.
As it is shown in figure 1, casing 242 is provided with away from display 300 one side " U " type frame 110, should " U " type frame 110 openings
To towards casing 242, and it is connected with casing 242 bolt, " U " setting of type frame 110, computer desk can be allowed to adapt to more places and pendulum
Put stable.
As it is shown in figure 9, Double Motor Control box line road includes: central processing unit 1, comprise the first chip, power circuit 2, electricity
Machine feedback circuit 3, key circuit 4, motor-drive circuit 5.
Power circuit 2 is connected with central processing unit 1；Key circuit 4 is connected to central processing unit 1 input, and central authorities process
Device 1 receives the signal from key circuit 4, and processes received signal；Motor-drive circuit 5 is connected to central authorities
Processor 1 outfan, motor-drive circuit 5 receives the signal after central processing unit processes, and according to the signal received
Control the duty of electric motor；Meanwhile, motor output signal is sent to motor feedback circuit 3, electricity by motor-drive circuit 5
Machine feedback circuit 3 is connected to central processing unit 1.
Being central processing unit (the first chip) figure as shown in figure 11, the first chip model is ATMEGA16A.
Being power circuit layout as shown in figure 12, this power circuit includes: the second chip IC 2, described second chip IC 2
Model is 34063, the first plug CN1, the 3rd plug CN3, the first varistor ZNR1, the first electric capacity C1, the second electric capacity C2, the
Three electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6, the 7th electric capacity C7, first electrochemical capacitor E1, the second electrolysis
Electric capacity E2, the 3rd electrochemical capacitor E3, the 4th electrochemical capacitor E4, the 5th electrochemical capacitor E5, the 6th electrochemical capacitor E6, the 3rd diode
D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 13rd diode D13, first electricity
Resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 9th resistance R9, the tenth resistance R10, the 13rd resistance R13, the
14 resistance R14, the 26th resistance R26, the 30th resistance R30, first Zener diode ZD1, the first inductance L1, first
Optical diode LED1, the 4th metal-oxide-semiconductor Q4, the 3rd audion Q3, the 5th audion Q5, first adjustable resistance TR1, buzzer BUZ；
The concrete connection of this power circuit is:
First plug CN1 the first port ground connection, the second port is connected to by the first varistor ZNR1, the first electric capacity C1,
One end of first parallel branch of the first electrochemical capacitor E1 composition, this first parallel branch is provided with a ground path, and this is first years old
The parallel branch other end is connected to the 3rd diode D3 positive pole；
3rd diode D3 negative pole is connected to by the second electric capacity C2, the 3rd electrochemical capacitor E3, second resistance R2, the 3rd electric capacity
C3, the second parallel branch of the first Zener diode ZD1 composition, wherein, go here and there between the 3rd electrochemical capacitor E3 and the second resistance R2
Connection connection has the first resistance R1, and the second parallel branch is provided with a ground path；
3rd diode D3 negative pole is additionally coupled to by the second electrochemical capacitor E2, the 3rd in parallel of the 4th electric capacity C4 composition
Road, the 3rd parallel branch is provided with a ground path；
The 3rd parallel branch other end is connected to the 7th pin of the second chip IC 2 via a resistance；
First pin of the second chip IC 2 is connected simultaneously to the 7th pin and the 8th pin of the second chip IC 2；
Second pin of the second chip IC 2 is connected to by the 4th diode D4, the 6th electric capacity C6, the 5th electrochemical capacitor E5 group
The 4th parallel branch become, wherein, is in series with the first inductance L1 between the 4th diode D4 and the 6th electric capacity C6, the 4th in parallel
Road is provided with a ground path；
3rd pin of the second chip IC 2 is connected to the ground path of the 4th parallel branch via the 5th electric capacity C5；
4th pin ground connection of the second chip IC 2；
The other end of the 4th parallel branch is connected to the 5th pin of the second chip IC 2 via the 3rd resistance R3, and simultaneously
Five pins are via the 4th resistance R4 ground connection；
The other end of the 4th parallel branch is further connected to the 5th diode D5, the 6th diode D6, the 7th diode
The positive pole of D7；
5th diode D5 negative pole is connected to first port of the 3rd plug CN3, the 3rd plug CN3 the second port ground connection,
3rd plug CN3 the 3rd port connects the 26th pin of the first chip IC 1, and the first port is also via the 30th resistance R30 even
It is connected to the first LED 1, the first LED 1 other end ground connection, the 30th resistance R30 and the first luminescence two
Connecting between the pipe LED1 of pole has the 26th resistance R26, the 26th resistance R26 another terminates the 9th of the first chip IC 1 and draws
Foot；
The drain electrode with the 13rd resistance R13 and the 4th metal-oxide-semiconductor Q4 respectively of 7th diode D7 negative pole is connected, the 4th MOS
The grid of pipe Q4 and the 13rd resistance R13 are connected in parallel to the colelctor electrode of the 5th audion Q5, the emitter stage of the 5th audion Q5
Ground connection, the base stage of the 5th audion Q5 is vacant after being connected to the 14th resistance R14, and the source electrode of the 4th metal-oxide-semiconductor Q4 is connected to by
5th parallel branch of six electrochemical capacitor E6 and the 15th electric capacity C15 composition, the 5th parallel branch is provided with a ground path, the
The other end of five parallel branches is connected to power vd D via after the first adjustable resistance TR1；
6th diode D6 negative pole is connected to the 6th parallel branch being made up of the 4th electrochemical capacitor E4 and the 7th electric capacity C7,
6th parallel branch is provided with a ground path, and the 6th parallel branch other end is connected to by the 13rd via the 9th resistance R9
7th parallel branch of pole pipe D13 and buzzer BUZ composition, the 7th parallel branch other end is connected to the collection of the 3rd audion Q3
Electrode, the grounded emitter of the 3rd audion Q3, the base stage of the 3rd audion Q3 is connected to the first chip via the tenth resistance R10
31st pin of IC1.
Being motor feedback circuit circuit diagram as shown in figure 13, this motor feedback circuit includes:
31st resistance R31, the 32nd resistance R32, the 33rd resistance R33, the 34th resistance R34, the 3rd
15 resistance R35, the 36th resistance R36, the 37th resistance R37, the 38th resistance R38, the 39th resistance R39,
40th resistance R40, the 41st resistance R41, the 42nd resistance R42, the 9th electric capacity C9, the tenth electric capacity C10, the 11st electricity
Hold C11, the 12nd electric capacity C12；
This concrete connection of motor feedback circuit is:
36th resistance R36, the 31st resistance R31, the 35th resistance R35 one end end points altogether connects, and the 30th
The other end of six resistance R36 is connected to power supply VCC, and the other end of the 31st resistance R31 is connected to the 4th of the first chip IC 1
13 pins, the other end of the 35th resistance R35 is in parallel via the 12nd electric capacity C12 and the 31st resistance R31；
37th resistance R37, the 32nd resistance R32, the 38th resistance R38 one end end points altogether connects, and the 30th
The other end of seven resistance R37 is connected to power supply VCC, and the other end of the 32nd resistance R32 is connected to the 4th of the first chip IC 1
12 pins, the other end of the 38th resistance R38 is in parallel via the 11st electric capacity C11 and the 32nd resistance R32；
40th resistance R40, the 33rd resistance R33, the 39th resistance R39 one end end points altogether connects, the 40th electricity
The other end of resistance R40 is connected to power supply VCC, and the other end of the 33rd resistance R33 is connected to the 41st of the first chip IC 1
Pin, the other end of the 39th resistance R39 is in parallel via the tenth electric capacity C10 and the 33rd resistance R33；
41st resistance R41, the 34th resistance R34, the 42nd resistance R42 one end end points altogether connects, the 40th
The other end of one resistance R41 is connected to power supply VCC, and the other end of the 34th resistance R34 is connected to the 4th of the first chip IC 1
Ten pins, the other end of the 42nd resistance R42 is in parallel via the 9th electric capacity C9 and the 34th resistance R34.
Being key circuit layout as shown in figure 14, this key circuit includes:
23rd resistance R23, the 24th resistance R24, the 27th resistance R27, the 28th resistance R28, second
19 resistance R29, the first two-way TVS diode T1, the second two-way TVS diode T2, the 3rd two-way TVS diode T3, first
Switch SW1, second switch SW2, the 3rd switch SW3, the 16th electric capacity C16, the 17th electric capacity C17, the 18th electric capacity C18, the
Six audion Q6；
The concrete connection of this key circuit is:
Key circuit is provided with four outfans, the first key circuit outfan, the second key circuit outfan, the 3rd button
Circuit output end, WAKE outfan, wherein the first key circuit outfan is connected to the 12nd pin of the first chip IC 1, the
Two key circuit outfans are connected to the tenth pin of the first chip IC 1, and the 3rd key circuit outfan is connected to the first chip
11st pin of IC1, WAKE outfan is connected to the 26th pin of the first chip IC 1；
First key circuit outfan is connected to one end of the 3rd two-way TVS diode T3, and this circuit connects the tenth
Six electric capacity C16 and the 27th resistance R27, the 16th electric capacity C16 other end ground connection, the 27th resistance R27 other end connects
To power supply VCC, the 3rd two-way TVS diode T3 is provided with the first switch SW1 of a ground connection；
Second key circuit outfan is connected to one end of the first two-way TVS diode T1, and this circuit connects the tenth
Eight electric capacity C18 and the 29th resistance R29, the 18th electric capacity C18 other end ground connection, the 29th resistance R29 other end connects
To power supply VCC, the first two-way TVS diode T1 is provided with the second switch SW2 of a ground connection；
3rd key circuit outfan is connected to one end of the second two-way TVS diode T2, and this circuit connects the tenth
Seven electric capacity C17 and the 28th resistance R28, the 17th electric capacity C17 other end ground connection, the 28th resistance R28 other end connects
To power supply VCC, the second two-way TVS diode T2 is provided with the 3rd switch SW3 of a ground connection；
WAKE outfan, via being connected to the base stage of the 6th audion Q6 after the 24th resistance R24, this circuit connects
There are the 23rd resistance R23, the other end ground connection of the 23rd resistance R23, the transmitter ground connection of the 6th audion Q6；
The colelctor electrode of the 6th audion Q6 and the first two-way TVS diode T1, the second two-way TVS diode T2, the 3rd pair
To the other end of TVS diode T3 for being connected in parallel.
As Figure 15, Figure 16 show motor-drive circuit layout, this motor-drive circuit includes:
3rd chip IC 3, described 3rd chip IC 3 model is ULN2003, the 19th electric capacity C19, the 20th electric capacity C20,
Second Zener diode ZD2, the 3rd Zener diode ZD3 the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance
R8, the 11st resistance R11, the 12nd resistance R12,
First metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the first diode D1, the second diode D2, the 9th diode D9, the 12nd
Pole pipe D10, the 11st diode D11, the 12nd diode D12, the first relay R L1, the second relay R L2, the 3rd relay
Device RL3, the 4th relay R L4, the second varistor ZNR2, the 3rd varistor ZNR3；
The concrete connection of this motor-drive circuit is:
4th pin of the 3rd chip IC 3 and the 37th pin of the first chip IC 1 connect；
5th pin of the 3rd chip IC 3 and the 36th pin of the first chip IC 1 connect；
6th pin of the 3rd chip IC 3 and the 35th pin of the first chip IC 1 connect；
7th pin of the 3rd chip IC 3 and the 34th pin of the first chip IC 1 connect；
Motor-drive circuit is provided with four outfans, the first motor drive output, PWM1 outfan, and the second motor drives
Outfan, PWM2 outfan；Wherein the first motor drive output is connected to the 33rd pin of the first chip, and PWM1 exports
End is connected to the 13rd pin of the first chip IC 1, and the second motor drive output is connected to the 32nd of the first chip and draws
Foot, PWM2 outfan is connected to the 14th pin of the first chip IC 1；
First motor drive output is connected to the 6th resistance R6, and this circuit connects the 19th electric capacity C19 and second
Zener diode ZD2, the 19th electric capacity C19 and the other end earth of the second Zener diode ZD2；6th resistance R6 another
End is connected to the source electrode of the first metal-oxide-semiconductor Q1, is provided with an earth resistance between the 6th resistance R6 and the first metal-oxide-semiconductor Q1；
The grid of the first metal-oxide-semiconductor Q1 is connected to PWM1 outfan via the 12nd resistance R12, and this circuit connects the 5th
Resistance R5, the other end ground connection of the 5th resistance R5；
The drain circuit of the first metal-oxide-semiconductor Q1 via being connected to a 24V power supply after the first diode D1, the first metal-oxide-semiconductor Q1's
Drain circuit is further connected to the normally-closed contact end of the first relay R L1 and the second relay R L2；
The normally opened contact end of the first relay R L1 is connected to 24V power supply, the coiler part of the first relay R L1 and the 9th
Diode D9 connects, and the 9th diode D9 negative pole circuit is connected to a 24V power supply, and the 9th diode D9 positive pole circuit is connected to the
11st pin of three chip IC 3；
The normally opened contact end of the second relay R L2 is connected to 24V power supply, the coiler part of the second relay R L2 and the tenth
Diode D10 connects, and the tenth diode D10 negative pole circuit is connected to a 24V power supply, the tenth diode D10 positive pole connection
The 13rd pin to the 3rd chip IC 3；
The armature end of the first relay R L1 is connected to electric motor positive pole, and the armature end of the second relay R L2 is connected to electricity
Machine motor negative pole, connects between the armature end circuit of the first relay R L1 and the second relay R L2 and has the second varistor
ZNR2；
Second motor drive output is connected to the 8th resistance R8, and this circuit connects the 20th electric capacity C20 and the 3rd
Zener diode ZD3, the 20th electric capacity C20 and the other end earth of the 3rd Zener diode ZD3；8th resistance R8 another
End is connected to the source electrode of the second metal-oxide-semiconductor Q2, is provided with an earth resistance between the 8th resistance R8 and the second metal-oxide-semiconductor Q2；
The grid of the second metal-oxide-semiconductor Q2 is connected to PWM1 outfan via the 11st resistance R11, and this circuit connects the 7th
Resistance R7, the other end ground connection of the 7th resistance R7；
The drain circuit of the second metal-oxide-semiconductor Q2 via being connected to a 24V power supply after the second diode D2, the second metal-oxide-semiconductor Q2's
Drain circuit is further connected to the 3rd relay R L3 and the normally-closed contact end of the 4th relay R L4；
The normally opened contact end of the 3rd relay R L3 is connected to 24V power supply, the coiler part and the tenth of the 3rd relay R L3
One diode D11 series connection, the 11st diode D11 negative pole circuit is connected to a 24V power supply, the 11st diode D11 electrode line
Road is connected to the tenth pin of the 3rd chip IC 3；
The normally opened contact end of the 4th relay R L4 is connected to 24V power supply, the coiler part and the tenth of the 4th relay R L4
Two diode D12 series connection, the 12nd diode D12 negative pole circuit is connected to a 24V power supply, the 12nd diode D12 electrode line
Road is connected to the 12nd pin of the 3rd chip IC 3；
The armature end of the 3rd relay R L3 is connected to electric motor positive pole, and the armature end of the 4th relay R L4 is connected to electricity
Machine motor negative pole, connects between the 3rd relay R L3 and the armature end circuit of the 4th relay R L4 and has the 3rd varistor
ZNR3。
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory
Generation, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Claims (10)
1. a computer desk, it is characterised in that: include
Support；
Power set, described power set are arranged in support；
Lowering or hoisting gear, described lowering or hoisting gear is located on support, and described lowering or hoisting gear includes lifting interior bar, lifting outer bar, lifting
Inner shell and lifting shell；In in described lifting, bar inserts and lifts outer bar, and lifting, bar is rotationally connected with described power set, institute
Stating the outer masthead end of lifting and embed lifting shell, described lifting enclosure inserts lifting inner shell, and described lifting inner shell lower end is located at
In support；
Display, described display is arranged on lifting shell upper end；
Table, described table is arranged on lifting shell lower end；
Described computer desk also includes the Double Motor Control box line road for controlling power set, and described Double Motor Control box line road is wrapped
Include central processing unit, comprise the first chip that model is ATMEGA16A, power circuit, key circuit, motor-drive circuit, electricity
Machine feedback circuit；
Power circuit is connected with central processing unit；
Key circuit is connected to central processing unit input, and central processing unit receives the signal from key circuit, and to being connect
The signal received processes；
Motor-drive circuit is connected to central processing unit outfan, and motor-drive circuit receives after central processing unit processes
Signal, and according to the duty of the signal control motor motor received；
Meanwhile, motor output signal is sent to motor feedback circuit by motor-drive circuit, and motor feedback circuit is connected to central authorities
Processor.
A kind of computer desk the most according to claim 1, it is characterised in that: in described lifting, bar two ends are in the shape of a spiral, and rise
In fall, its axial direction of bar lower end edge is provided with the breach of crescent shape；The outer bar of described lifting is relative to bar in the vertical direction in lifting
Mobile.
A kind of computer desk the most according to claim 2, it is characterised in that: in described lifting, bar lower end is pacified the most successively
Loading solid dividing plate, tumbler, nut, described fastening dividing plate pair of horns is provided with locating ring, installs alignment pin in described locating ring；Institute
State tumbler to be arranged on breach and tumbler outer surface is hexa-prism.
A kind of computer desk the most according to claim 1, it is characterised in that: described lifting inner shell includes upper end, bottom,
Described bottom is provided with casing and fixing with casing is connected, and described casing is arranged in support, and every side, described upper end all sets
The pad of the side's of having shape.
5. according to a kind of computer desk described in claim 3 or 4, it is characterised in that: described lifting shell include top ends, on
Portion, bottom, described top ends is provided with elliptical aperture, is provided with display torr hands near display side in outer surface of upper, and under
Portion's outer surface is provided with table torr hands near display side, and the side of lower external face offers step surface and step surface towards aobvious
Show device；Described display is arranged on display torr on hand, and described table is arranged on table torr on hand；Described casing and described fastening
Being provided with dividing plate between dividing plate, described dividing plate is connected with the alignment pin bolt of fastening dividing plate.
A kind of computer desk the most according to claim 4, it is characterised in that: power set are installed in described casing, described dynamic
Power apparatus includes motor, gear box, and gear box connects motor and inside can be inserted into tumbler, is provided with plate lid bottom gear box,
Between described plate lid and gear box, bolt is connected；Also install in described support and control box；The casing lower end of described lifting inner shell sets
Casing plate, described casing plate is had to be connected with casing bolt；Described casing is provided with " U " type frame, described " U " away from display one side
Type frame opening is towards casing, and is connected with casing bolt.
A kind of computer desk the most according to claim 1, it is characterised in that described power circuit includes: the second chip IC 2,
Described second chip IC 2 model is 34063, the first plug CN1, the 3rd plug CN3, the first varistor ZNR1, the first electric capacity
C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6, the 7th electric capacity C7, the first electrolysis
Electric capacity E1, the second electrochemical capacitor E2, the 3rd electrochemical capacitor E3, the 4th electrochemical capacitor E4, the 5th electrochemical capacitor E5, the 6th electrolysis electricity
Hold E6, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 13rd
Diode D13, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 9th resistance R9, the tenth resistance R10,
13rd resistance R13, the 14th resistance R14, the 26th resistance R26, the 30th resistance R30, first Zener diode ZD1,
First inductance L1, the first LED 1, the 4th metal-oxide-semiconductor Q4, the 3rd audion Q3, the 5th audion Q5, first is adjustable
Resistance TR1, buzzer BUZ；
The concrete connection of described power circuit is:
First plug CN1 the first port ground connection, the second port is connected to by the first varistor ZNR1, the first electric capacity C1, first
One end of first parallel branch of electrochemical capacitor E1 composition, this first parallel branch is provided with a ground path, this first parallel connection
The branch road other end is connected to the 3rd diode D3 positive pole；
3rd diode D3 negative pole is connected to by the second electric capacity C2, the 3rd electrochemical capacitor E3, second resistance R2, the 3rd electric capacity C3,
Second parallel branch of the first Zener diode ZD1 composition, wherein, between the 3rd electrochemical capacitor E3 and the second resistance R2, series connection is even
Being connected to the first resistance R1, the second parallel branch is provided with a ground path；
3rd diode D3 negative pole is additionally coupled to by the second electrochemical capacitor E2, the 3rd parallel branch of the 4th electric capacity C4 composition, the
Three parallel branches are provided with a ground path；
The 3rd parallel branch other end is connected to the 7th pin of the second chip IC 2 via a resistance；
First pin of the second chip IC 2 is connected simultaneously to the 7th pin and the 8th pin of the second chip IC 2；
Second pin of the second chip IC 2 is connected to by the 4th diode D4, the 6th electric capacity C6, the 5th electrochemical capacitor E5 composition
4th parallel branch, wherein, is in series with the first inductance L1 between the 4th diode D4 and the 6th electric capacity C6, in the 4th parallel branch
It is provided with a ground path；
3rd pin of the second chip IC 2 is connected to the ground path of the 4th parallel branch via the 5th electric capacity C5；
4th pin ground connection of the second chip IC 2；
The other end of the 4th parallel branch is connected to the 5th pin of the second chip IC 2 via the 3rd resistance R3, and the 5th draws simultaneously
Foot is via the 4th resistance R4 ground connection；
The other end of the 4th parallel branch is further connected to the 5th diode D5, the 6th diode D6, the 7th diode D7's
Positive pole；
5th diode D5 negative pole is connected to first port of the 3rd plug CN3, the 3rd plug CN3 the second port ground connection, and the 3rd
Plug CN3 the 3rd port connects the 26th pin of the first chip IC 1, and the first port is also connected to via the 30th resistance R30
First LED 1, the first LED 1 other end ground connection, the 30th resistance R30 and the first light emitting diode
Connecting between LED1 has the 26th resistance R26, the 26th resistance R26 another terminates the 9th pin of the first chip IC 1；
The drain electrode with the 13rd resistance R13 and the 4th metal-oxide-semiconductor Q4 respectively of 7th diode D7 negative pole is connected, the 4th metal-oxide-semiconductor Q4
Grid and the 13rd resistance R13 be connected in parallel to the colelctor electrode of the 5th audion Q5, the grounded emitter of the 5th audion Q5,
The base stage of the 5th audion Q5 is vacant after being connected to the 14th resistance R14, and the source electrode of the 4th metal-oxide-semiconductor Q4 is connected to by the 6th electrolysis
5th parallel branch of electric capacity E6 and the 15th electric capacity C15 composition, the 5th parallel branch is provided with a ground path, and the 5th is in parallel
The other end of branch road is connected to power vd D via after the first adjustable resistance TR1；
6th diode D6 negative pole is connected to the 6th parallel branch being made up of the 4th electrochemical capacitor E4 and the 7th electric capacity C7, and the 6th
Parallel branch is provided with a ground path, and the 6th parallel branch other end is connected to by the 13rd diode via the 9th resistance R9
7th parallel branch of D13 and buzzer BUZ composition, the 7th parallel branch other end is connected to the current collection of the 3rd audion Q3
Pole, the grounded emitter of the 3rd audion Q3, the base stage of the 3rd audion Q3 is connected to the first chip via the tenth resistance R10
31st pin of IC1.
A kind of computer desk the most according to claim 1, it is characterised in that described motor feedback circuit includes:
31st resistance R31, the 32nd resistance R32, the 33rd resistance R33, the 34th resistance R34, the 35th
Resistance R35, the 36th resistance R36, the 37th resistance R37, the 38th resistance R38, the 39th resistance R39, the 4th
Ten resistance R40, the 41st resistance R41, the 42nd resistance R42, the 9th electric capacity C9, the tenth electric capacity C10, the 11st electric capacity
C11, the 12nd electric capacity C12；
The described concrete connection of motor feedback circuit is:
36th resistance R36, the 31st resistance R31, the 35th resistance R35 one end end points altogether connects, the 36th electricity
The other end of resistance R36 is connected to power supply VCC, and the other end of the 31st resistance R31 is connected to the 43rd of the first chip IC 1
Pin, the other end of the 35th resistance R35 is in parallel via the 12nd electric capacity C12 and the 31st resistance R31；
37th resistance R37, the 32nd resistance R32, the 38th resistance R38 one end end points altogether connects, the 37th electricity
The other end of resistance R37 is connected to power supply VCC, and the other end of the 32nd resistance R32 is connected to the 42nd of the first chip IC 1
Pin, the other end of the 38th resistance R38 is in parallel via the 11st electric capacity C11 and the 32nd resistance R32；
40th resistance R40, the 33rd resistance R33, the 39th resistance R39 one end end points altogether connects, the 40th resistance R40
The other end be connected to power supply VCC, the other end of the 33rd resistance R33 is connected to the 41st pin of the first chip IC 1,
The other end of the 39th resistance R39 is in parallel via the tenth electric capacity C10 and the 33rd resistance R33；
41st resistance R41, the 34th resistance R34, the 42nd resistance R42 one end end points altogether connects, the 41st electricity
The other end of resistance R41 is connected to power supply VCC, and what the other end of the 34th resistance R34 was connected to the first chip IC 1 the 40th draws
Foot, the other end of the 42nd resistance R42 is in parallel via the 9th electric capacity C9 and the 34th resistance R34.
A kind of computer desk the most according to claim 1, it is characterised in that described key circuit includes:
23rd resistance R23, the 24th resistance R24, the 27th resistance R27, the 28th resistance R28, the 29th
Resistance R29, the first two-way TVS diode T1, the second two-way TVS diode T2, the 3rd two-way TVS diode T3, the first switch
SW1, second switch SW2, the 3rd switch SW3, the 16th electric capacity C16, the 17th electric capacity C17, the 18th electric capacity C18, the six or three
Pole pipe Q6；
The concrete connection of described key circuit is:
Key circuit is provided with four outfans, the first key circuit outfan, the second key circuit outfan, the 3rd key circuit
Outfan, WAKE outfan, wherein the first key circuit outfan is connected to the 12nd pin of the first chip IC 1, and second presses
Key circuit outfan is connected to the tenth pin of the first chip IC 1, and the 3rd key circuit outfan is connected to the first chip IC 1
11st pin, WAKE outfan is connected to the 26th pin of the first chip IC 1；
First key circuit outfan is connected to one end of the 3rd two-way TVS diode T3, this circuit connects and has the 16th electricity
Holding C16 and the 27th resistance R27, the 16th electric capacity C16 other end ground connection, the 27th resistance R27 other end is connected to electricity
Source VCC, the 3rd two-way TVS diode T3 is provided with the first switch SW1 of a ground connection；
Second key circuit outfan is connected to one end of the first two-way TVS diode T1, this circuit connects and has the 18th electricity
Holding C18 and the 29th resistance R29, the 18th electric capacity C18 other end ground connection, the 29th resistance R29 other end is connected to electricity
Source VCC, the first two-way TVS diode T1 is provided with the second switch SW2 of a ground connection；
3rd key circuit outfan is connected to one end of the second two-way TVS diode T2, this circuit connects and has the 17th electricity
Holding C17 and the 28th resistance R28, the 17th electric capacity C17 other end ground connection, the 28th resistance R28 other end is connected to electricity
Source VCC, the second two-way TVS diode T2 is provided with the 3rd switch SW3 of a ground connection；
WAKE outfan, via being connected to the base stage of the 6th audion Q6 after the 24th resistance R24, this circuit connects and has the
23 resistance R23, the other end ground connection of the 23rd resistance R23, the transmitter ground connection of the 6th audion Q6；
The colelctor electrode of the 6th audion Q6 and the first two-way TVS diode T1, the second two-way TVS diode T2, the 3rd two-way TVS
The other end of diode T3 is for being connected in parallel.
A kind of computer desk the most according to claim 1, it is characterised in that described motor-drive circuit includes:
3rd chip IC 3, described 3rd chip IC 3 model is ULN2003, the 19th electric capacity C19, the 20th electric capacity C20, second
Zener diode ZD2, the 3rd Zener diode ZD3 the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the
11 resistance R11, the 12nd resistance R12,
First metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the first diode D1, the second diode D2, the 9th diode D9, the tenth diode
D10, the 11st diode D11, the 12nd diode D12, the first relay R L1, the second relay R L2, the 3rd relay
RL3, the 4th relay R L4, the second varistor ZNR2, the 3rd varistor ZNR3；
The concrete connection of described motor-drive circuit is:
4th pin of the 3rd chip IC 3 and the 37th pin of the first chip IC 1 connect；
5th pin of the 3rd chip IC 3 and the 36th pin of the first chip IC 1 connect；
6th pin of the 3rd chip IC 3 and the 35th pin of the first chip IC 1 connect；
7th pin of the 3rd chip IC 3 and the 34th pin of the first chip IC 1 connect；
Motor-drive circuit is provided with four outfans, the first motor drive output, PWM1 outfan, and the second motor drives output
End, PWM2 outfan；Wherein the first motor drive output is connected to the 33rd pin of the first chip, and PWM1 outfan is even
Being connected to the 13rd pin of the first chip IC 1, the second motor drive output is connected to the 32nd pin of the first chip,
PWM2 outfan is connected to the 14th pin of the first chip IC 1；
First motor drive output is connected to the 6th resistance R6, and this circuit connects the 19th electric capacity C19 and the second voltage stabilizing
Diode ZD2, the 19th electric capacity C19 and the other end earth of the second Zener diode ZD2；The 6th resistance R6 other end is even
It is connected to the source electrode of the first metal-oxide-semiconductor Q1, between the 6th resistance R6 and the first metal-oxide-semiconductor Q1, is provided with an earth resistance；
The grid of the first metal-oxide-semiconductor Q1 is connected to PWM1 outfan via the 12nd resistance R12, and this circuit connects the 5th resistance
R5, the other end ground connection of the 5th resistance R5；
The drain circuit of the first metal-oxide-semiconductor Q1 is via being connected to a 24V power supply, the drain electrode of the first metal-oxide-semiconductor Q1 after the first diode D1
Circuit is further connected to the normally-closed contact end of the first relay R L1 and the second relay R L2；
The normally opened contact end of the first relay R L1 is connected to 24V power supply, the coiler part of the first relay R L1 and the 9th 2 pole
Pipe D9 connects, and the 9th diode D9 negative pole circuit is connected to a 24V power supply, and the 9th diode D9 positive pole circuit is connected to the 3rd core
11st pin of sheet IC3；
The normally opened contact end of the second relay R L2 is connected to 24V power supply, the coiler part of the second relay R L2 and the 12nd pole
Pipe D10 connects, and the tenth diode D10 negative pole circuit is connected to a 24V power supply, and the tenth diode D10 positive pole circuit is connected to the
13rd pin of three chip IC 3；
The armature end of the first relay R L1 is connected to electric motor positive pole, and the armature end of the second relay R L2 is connected to motor horse
Reaching negative pole, connecting between the armature end circuit of the first relay R L1 and the second relay R L2 has the second varistor ZNR2；
Second motor drive output is connected to the 8th resistance R8, and this circuit connects the 20th electric capacity C20 and the 3rd voltage stabilizing
Diode ZD3, the 20th electric capacity C20 and the other end earth of the 3rd Zener diode ZD3；The 8th resistance R8 other end is even
It is connected to the source electrode of the second metal-oxide-semiconductor Q2, between the 8th resistance R8 and the second metal-oxide-semiconductor Q2, is provided with an earth resistance；
The grid of the second metal-oxide-semiconductor Q2 is connected to PWM1 outfan via the 11st resistance R11, and this circuit connects the 7th resistance
R7, the other end ground connection of the 7th resistance R7；
The drain circuit of the second metal-oxide-semiconductor Q2 is via being connected to a 24V power supply, the drain electrode of the second metal-oxide-semiconductor Q2 after the second diode D2
Circuit is further connected to the 3rd relay R L3 and the normally-closed contact end of the 4th relay R L4；
The normally opened contact end of the 3rd relay R L3 is connected to 24V power supply, the coiler part and the 11st of the 3rd relay R L3
Pole pipe D11 connects, and the 11st diode D11 negative pole circuit is connected to a 24V power supply, and the 11st diode D11 positive pole circuit is even
It is connected to the tenth pin of the 3rd chip IC 3；
The normally opened contact end of the 4th relay R L4 is connected to 24V power supply, the coiler part and the 12nd of the 4th relay R L4
Pole pipe D12 connects, and the 12nd diode D12 negative pole circuit is connected to a 24V power supply, and the 12nd diode D12 positive pole circuit is even
It is connected to the 12nd pin of the 3rd chip IC 3；
The armature end of the 3rd relay R L3 is connected to electric motor positive pole, and the armature end of the 4th relay R L4 is connected to motor horse
Reaching negative pole, connecting between the 3rd relay R L3 and the armature end circuit of the 4th relay R L4 has the 3rd varistor ZNR3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791343.3A CN106175102B (en) | 2016-08-31 | 2016-08-31 | A kind of computer desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791343.3A CN106175102B (en) | 2016-08-31 | 2016-08-31 | A kind of computer desk |
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| Publication Number | Publication Date |
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| CN106175102A true CN106175102A (en) | 2016-12-07 |
| CN106175102B CN106175102B (en) | 2018-10-16 |
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ID=58085388
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610791343.3A Expired - Fee Related CN106175102B (en) | 2016-08-31 | 2016-08-31 | A kind of computer desk |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107411341A (en) * | 2017-04-13 | 2017-12-01 | 宁波汇五洲智能科技有限公司 | A kind of automatic lifting table |
| CN109613814A (en) * | 2018-12-25 | 2019-04-12 | 安徽八爪智能科技有限公司 | A kind of plate turning-over clock convenient to use |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106175102B (en) | 2018-10-16 |
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