CN208872978U - A kind of liquid crystal module test dust control signal generator - Google Patents
A kind of liquid crystal module test dust control signal generator Download PDFInfo
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- CN208872978U CN208872978U CN201821713409.8U CN201821713409U CN208872978U CN 208872978 U CN208872978 U CN 208872978U CN 201821713409 U CN201821713409 U CN 201821713409U CN 208872978 U CN208872978 U CN 208872978U
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Abstract
The utility model relates to signal generator technical fields, and disclose a kind of liquid crystal module test dust control signal generator, including apparatus body, display screen, key zone, external hole, knob, heat-dissipating cylinder, dust-proof mechanism and sealing mechanism, the display location is in the positive upper left side of apparatus body, the key zone is located at the front of apparatus body, and key zone is located at the right of display screen.The utility model passes through the spiral winding that is wrapped on curved metal grid, in energized state, changing magnetic field is generated by the electric current of control variation, changing magnetic field generates induced electric field, uncharged dust granule is polarized in the electric field, bound charge is generated on its surface, and the dust granule for the dust granule and electrification being polarized is moved to the lateral direction of arc protective cover under the action of electric field force, so as to avoid dust from being entered in heat-dissipating cylinder by the external world, or it is deposited on blade surface, and then it is dust-proof to have achieved the effect that apparatus body.
Description
Technical field
The utility model relates to signal generator technical field, specially a kind of liquid crystal module test is occurred with dust control signal
Device.
Background technique
Signal generator is a kind of to provide various frequencies, the equipment of waveform and output level electric signal.It is various measuring
When the amplitude response of telecommunication system or telecommunication apparatus, frequency characteristic, transmission characteristic and other electrical parameters, and measurement component
When characteristic and parameter, signal source or driving source as test.Signal generator is also known as signal source or oscillator, in production practices
It has a wide range of applications in sciemtifec and technical sphere.Various wavy curves can be indicated with trigonometric function equation.It can generate
Multiple waveforms, as the circuit of triangular wave, sawtooth wave, rectangular wave (containing square wave), sine wave is referred to as function signal generator.
In the test process of liquid crystal module, transmission part of the signal generator as electric signal, effect is most important,
Existing signal generator at runtime, due to the heat build-up that internal circuit component generates, radiates for convenience, it will usually
In the two sides of signal generator, installation radiator fan reduces the temperature inside equipment, guarantees equipment just in order to heat extraction of divulging information
Often operation, but radiator fan is usually fixedly mounted on signal generator, is not easy to installing and dismounting, after leading to longtime running,
Some dust impurities are liable to stick to the surface of electric fan, influence ventilation while reduce heat dissipation effect, so as to cause dust into
The inside for entering signal generator causes the practicability of signal generator to reduce, and reduces service life.
Utility model content
The purpose of this utility model is to provide a kind of liquid crystal module test dust control signal generators, and having reached makes letter
Number generator possesses the purpose of dust-proof effect.
To achieve the above object, the utility model provides the following technical solutions: dust control signal is used in a kind of test of liquid crystal module
Generator, including apparatus body, display screen, key zone, external hole, knob, heat-dissipating cylinder, dust-proof mechanism and sealing mechanism, it is described
Display location is in the positive upper left side of apparatus body, and the key zone is located at the front of apparatus body, and key zone is located at display
The right of screen, the external hole are located at the front of apparatus body and are in the lower section of display screen, and the knob is located at apparatus body
Front and be in the lower section of key zone, after the quantity of the heat-dissipating cylinder is two, and heat-dissipating cylinder is located at apparatus body two sides
Side, the dust-proof mechanism are located at the outside of heat-dissipating cylinder, and the sealing mechanism is located at the inside of heat-dissipating cylinder.
The dust-proof mechanism includes arc protective cover and curved metal grid, surrounding on the left of the arc protective cover and is dissipated
Surrounding connection on the right side of hot cylinder, the curved metal grid are located at the inside of arc protective cover, and the appearance of curved metal grid
The rich elder sister in face has spiral winding, and the right side at the top and bottom of the heat-dissipating cylinder inner wall is connect with the both ends of mounting rack respectively, the peace
The side in the middle position and radiator fan of shelving right side connects, and the flabellum of radiator fan is towards the inside of arc protective cover
Wall.
The sealing mechanism includes sealing plate, installation strut and cylinder, the lateral wall of the sealing plate respectively with heat-dissipating cylinder
Inner sidewall seamless welding, and sealing plate is located at the left side of mounting rack, and the shaft core position of the sealing plate is provided with through-hole, described
Installation strut is located at the left side of sealing plate, and the both ends for installing strut are connect with the top and bottom of heat-dissipating cylinder inner wall respectively, institute
It states the middle position on the right side of installation strut and is connected with micro motor, sliding block, a left side for the cylinder are slidably connected in the cylinder
Side and the right side of thread bush connect, and the left side of the sliding block and the right end of threaded rod connect, and pass through screw thread on the left of threaded rod
It is threadedly coupled with thread bush, the left end of the threaded rod and the output end of micro motor connect, and are connected on the right side of the cylinder
Rubber block head compatible with through-hole.
Preferably, the outer surface of the rubber block head is arc, and the outer surface of rubber block head is provided with protective rubber
Pad.
Preferably, the spiral winding can be using silicon steel silk or copper wire etc., and is painted on the outer surface of spiral winding
Insulating coating.
Preferably, the left side at the top and bottom of the heat-dissipating cylinder inner wall is connect with the both ends of dustcloth respectively, and dustcloth
On ventilation bore dia be 0. 5 millimeters.
Preferably, the bottom of the apparatus body and the top of bottom plate connect, and are provided between apparatus body and bottom plate
Plastic pad.
Preferably, the bottom of the bottom plate is connected with pedestal, and the bottom of pedestal is connected with non-slip mat.
Preferably, the bottom of micro motor is connected with mounting seat.
Preferably, the cross-sectional shape of heat-dissipating cylinder is circle
The utility model provides a kind of liquid crystal module test dust control signal generator.Have it is following the utility model has the advantages that
(1), the utility model passes through arc protective cover, curved metal grid and spiral due to improving to heat-dissipating cylinder
The mutual cooperation of coil, by the spiral winding being wrapped on curved metal grid, in energized state, by control variation
Electric current generates changing magnetic field, and changing magnetic field generates induced electric field, and uncharged dust granule is polarized in the electric field, at it
Surface generates bound charge, and the dust granule for the dust granule and electrification being polarized is protected to arc under the action of electric field force
The lateral direction of cover moves, and so as to avoid dust from being entered in heat-dissipating cylinder by the external world, or is deposited on blade surface, and then make
Apparatus body has achieved the effect that dust-proof.
(2), the utility model turns threaded rod by the rotation of micro motor due to improving to heat-dissipating cylinder
Dynamic, matching thread set can make cylinder and rubber block head is in the state moved left and right, compound rubber block head and through-hole
Be full of and state, entire heat-dissipating cylinder can be made to be opened in radiator fan operation, on the contrary it is then in closed state, to guarantee
Apparatus body can prevent under power blackout situation the entrance of dust, improve clean and tidy inside signal generator, extend and set
Standby service life.
Detailed description of the invention
Fig. 1 is the front schematic view of the utility model structure；
Fig. 2 is the front cut-away view of the utility model structure heat-dissipating cylinder；
Fig. 3 is the side view of the utility model structure arc protective cover.
In figure: 1 apparatus body, 2 display screens, 3 key zones, 4 external holes, 5 knobs, 6 heat-dissipating cylinders, 7 dust-proof mechanisms, 8 sealings
Mechanism, 9 bottom plates, 10 pedestals, 11 dustcloths, 71 arc protective covers, 72 curved metal grids, 73 spiral windings, 74 mounting racks,
75 radiator fans, 81 sealing plates, 82 through-holes, 83 installation struts, 84 micro motors, 85 cylinders, 86 sliding blocks, 87 thread bush, 88 spiral shells
Rasp bar, 89 rubber block heads.
Specific embodiment
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of liquid crystal module test is occurred with dust control signal
Device, including apparatus body 1, display screen 2, key zone 3, external hole 4, knob 5, heat-dissipating cylinder 6, dust-proof mechanism 7 and sealing mechanism 8,
Display screen 2 is located at the positive upper left side of apparatus body 1, and key zone 3 is located at the front of apparatus body 1, and key zone 3 is located at display
The right of screen 2, external hole 4 are located at the front of apparatus body 1 and are in the lower section of display screen 2, and knob 5 is located at apparatus body 1
Front and the lower section for being in key zone 3, the quantity of heat-dissipating cylinder 6 is two, and heat-dissipating cylinder 6 is located at the rear of 1 two sides of apparatus body,
Dust-proof mechanism 7 is located at the outside of heat-dissipating cylinder 6, and sealing mechanism 8 is located at the inside of heat-dissipating cylinder 6, the bottom of apparatus body 1 and bottom plate 9
Top be fixedly connected, and plastic pad is provided between apparatus body 1 and bottom plate 9, the bottom of bottom plate 9 is fixedly connected with pedestal
10, and the bottom of pedestal 10 is fixedly connected with non-slip mat, the left side at the top and bottom of 6 inner wall of heat-dissipating cylinder respectively with dustcloth 11
Both ends are fixedly connected, and the ventilation bore dia on dustcloth 11 is 0. 5 millimeters, by the setting of dustcloth 11, can be made whole
The inside of a heat-dissipating cylinder 6 forms dust-proof processing again, and the dust that can not be adsorbed completely due to electric field is avoided to enter inside equipment, from
And ensure that clean and tidy inside apparatus body 1, it is provided safeguard for dedusting.
Dust-proof mechanism 7 includes arc protective cover 71 and curved metal grid 72, the surrounding in the left side of arc protective cover 71 and is dissipated
The surrounding on hot 6 right side of cylinder is fixedly connected, and curved metal grid 72 is located at the inside of arc protective cover 71, and curved metal grid
The rich elder sister in 72 outer surface has spiral winding 73, and the right side at the top and bottom of 6 inner wall of heat-dissipating cylinder is solid with the both ends of mounting rack 74 respectively
The middle position of fixed connection, 74 right side of mounting rack is fixedly connected with the side of radiator fan 75, and the flabellum court of radiator fan 75
To the inner sidewall of arc protective cover 71, spiral winding 73 can use silicon steel silk or copper wire etc., and the outer surface of spiral winding 73
On be painted with insulating coating, in energized state, by control variation electric current generate changing magnetic field, changing magnetic field generate
Induced electric field, uncharged dust granule are polarized in the electric field, generate bound charge, and the dust being polarized on its surface
Grain and the dust granule of electrification are moved to the lateral direction of arc protective cover 71 under the action of electric field force, so as to avoid ash
Dirt is entered in heat-dissipating cylinder 6 by the external world, or is deposited on blade surface, and then it is dust-proof to have achieved the effect that apparatus body 1.
Sealing mechanism 8 includes sealing plate 81, installation strut 83 and cylinder 85, the lateral wall of sealing plate 81 respectively with heat-dissipating cylinder
6 inner sidewall seamless welding, and sealing plate 81 is located at the left side of mounting rack 74, the shaft core position of sealing plate 81 offers through-hole
82, installation strut 83 is located at the left side of sealing plate 81, and the both ends of installation strut 83 top and bottom with 6 inner wall of heat-dissipating cylinder respectively
Portion is fixedly connected, and the middle position on 83 right side of installation strut is fixedly connected with micro motor 84, slidably connects cunning in cylinder 85
The left side of block 86, cylinder 85 is fixedly connected with the right side of thread bush 87, the left side of sliding block 86 and the fixed company of the right end of threaded rod 88
It connects, and the left side of threaded rod 88 is threadedly coupled by screw thread with thread bush 87, the left end of threaded rod 88 is defeated with micro motor 84
Outlet is fixedly connected, and the right side of cylinder 85 is fixedly connected with rubber block head 89 compatible with through-hole 82, rubber block head 89
Outer surface be arc, and the outer surface of rubber block head 89 is socketed with protection rubber mat, makes spiral shell by the rotation of micro motor 84
Rasp bar 88 is rotated, and matching thread set 87 can make cylinder 85 and rubber block head 89 is in the state moved left and right, cooperation
Rubber block head 89 and through-hole 82 be full of and state, entire heat-dissipating cylinder 6 can be made to be opened when radiator fan 75 is run, instead
Then to ensure that apparatus body 1 can prevent the entrance of dust under power blackout situation improve signal in closed state
It is clean and tidy inside generator, the service life of equipment is extended, the utility model passes through arc due to improving to heat-dissipating cylinder 6
The mutual cooperation of shape shield 71, curved metal grid 72 and spiral winding 73, by being wrapped on curved metal grid 72
Spiral winding 73 generates changing magnetic field by the electric current of control variation, changing magnetic field generates electricity of inducting in energized state
, uncharged dust granule is polarized in the electric field, bound charge is generated on its surface, and the dust granule and band being polarized
The dust granule of electricity is moved to the lateral direction of arc protective cover 71 under the action of electric field force, so as to avoid dust by outer
Boundary enters in heat-dissipating cylinder, or is deposited on blade surface, and then it is dust-proof to have achieved the effect that apparatus body 1.
When in use, rotate threaded rod 88 by the rotation of micro motor 84, matching thread set 87 can make to justify
Cylinder 85 and rubber block head 89 are in the state that moves left and right, compound rubber block head 89 and through-hole 82 be full of and state, can
Open entire heat-dissipating cylinder 6 when radiator fan 75 is run, on the contrary it is then in closed state, to ensure that apparatus body
1 can prevent the entrance of dust under power blackout situation.
Can to sum up obtain: the utility model passes through arc protective cover 71, curved metal lattice due to improving to heat-dissipating cylinder 6
The mutual cooperation of grid 72 and spiral winding 73, by the spiral winding 73 being wrapped on curved metal grid 72, in energized state
When, changing magnetic field is generated by the electric current of control variation, changing magnetic field generates induced electric field, and uncharged dust granule exists
It is polarized in electric field, generates bound charge on its surface, and the dust granule for the dust granule and electrification being polarized is in electric field force
Under the action of moved to the lateral direction of arc protective cover 71, so as to avoid dust by the external world enter heat-dissipating cylinder in, or
It is deposited on blade surface, and then it is dust-proof to have achieved the effect that apparatus body 1, the utility model is due to changing heat-dissipating cylinder 6
Into rotating threaded rod 88 by the rotation of micro motor 84, matching thread set 87 can be such that cylinder 85 and rubber blocks
First 89 in the state that moves left and right, compound rubber block head 89 and through-hole 82 be full of and state, entire heat-dissipating cylinder 6 can be made
Opened when radiator fan 75 is run, on the contrary it is then in closed state, to ensure that apparatus body 1 under power blackout situation
The entrance that can prevent dust, improves clean and tidy inside signal generator, extends the service life of equipment.
Claims (8)
1. a kind of liquid crystal module test dust control signal generator, including apparatus body (1), display screen (2), key zone (3), outer
Connect hole (4), knob (5), heat-dissipating cylinder (6), dust-proof mechanism (7) and sealing mechanism (8), it is characterised in that: display screen (2) position
In apparatus body (1) positive upper left side, the key zone (3) is located at the front of apparatus body (1), and key zone (3) are located at
The right of display screen (2), the external hole (4) is located at the front of apparatus body (1) and is in the lower section of display screen (2), described
Knob (5) is located at the front of apparatus body (1) and is in the lower section of key zone (3), and the quantity of the heat-dissipating cylinder (6) is two,
And heat-dissipating cylinder (6) is located at the rear of apparatus body (1) two sides, the dust-proof mechanism (7) is located at the outside of heat-dissipating cylinder (6), described
Sealing mechanism (8) is located at the inside of heat-dissipating cylinder (6)；
The dust-proof mechanism (7) includes arc protective cover (71) and curved metal grid (72), and the arc protective cover (71) is left
The surrounding of side is connect with the surrounding on the right side of heat-dissipating cylinder (6), and the curved metal grid (72) is located at the interior of arc protective cover (71)
Portion, and the rich elder sister in outer surface of curved metal grid (72) has spiral winding (73), at the top and bottom of heat-dissipating cylinder (6) inner wall
Right side is connect with the both ends of mounting rack (74) respectively, and the one of the middle position on the right side of the mounting rack (74) and radiator fan (75)
Side connection, and the flabellum of radiator fan (75) is towards the inner sidewall of arc protective cover (71)；
The sealing mechanism (8) includes sealing plate (81), installation strut (83) and cylinder (85), the outside of the sealing plate (81)
The wall inner sidewall seamless welding with heat-dissipating cylinder (6) respectively, and sealing plate (81) is located at the left side of mounting rack (74), the sealing plate
(81) shaft core position is provided with through-hole (82), and installation strut (83) is located at the left side of sealing plate (81), and installs strut
(83) both ends are connect with the top and bottom of heat-dissipating cylinder (6) inner wall respectively, the middle position on the right side of installation strut (83)
It is connected with micro motor (84), is slidably connected sliding block (86) in the cylinder (85), the left side of the cylinder (85) and screw thread
The right side connection of (87) is covered, the left side of the sliding block (86) is connect with the right end of threaded rod (88), and the left side of threaded rod (88)
It being threadedly coupled by screw thread with thread bush (87), the left end of the threaded rod (88) is connect with the output end of micro motor (84),
It is connected on the right side of the cylinder (85) and through-hole (82) compatible rubber block head (89).
2. a kind of liquid crystal module test dust control signal generator according to claim 1, it is characterised in that: the rubber
The outer surface of block head (89) is arc, and the outer surface of rubber block head (89) is provided with protection rubber mat.
3. a kind of liquid crystal module test dust control signal generator according to claim 1, it is characterised in that: the spiral
Coil (73) can be using silicon steel silk or copper wire etc., and is painted with insulating coating on the outer surface of spiral winding (73).
4. a kind of liquid crystal module test dust control signal generator according to claim 1, it is characterised in that: the heat dissipation
Left side at the top and bottom of cylinder (6) inner wall is connect with the both ends of dustcloth (11) respectively, and the venthole on dustcloth (11) is straight
Diameter is 0. 5 millimeters.
5. a kind of liquid crystal module test dust control signal generator according to claim 1, it is characterised in that: the equipment
The bottom of ontology (1) is connect with the top of bottom plate (9), and is provided with plastic pad between apparatus body (1) and bottom plate (9).
6. a kind of liquid crystal module test dust control signal generator according to claim 5, it is characterised in that: the bottom plate
(9) bottom is connected with pedestal (10), and the bottom of pedestal (10) is connected with non-slip mat.
7. a kind of liquid crystal module test dust control signal generator according to claim 5, it is characterised in that: described miniature
The bottom of motor (84) is fixedly connected with mounting seat.
8. a kind of liquid crystal module test dust control signal generator according to claim 5, it is characterised in that: the heat dissipation
The cross-sectional shape of cylinder (6) is circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821713409.8U CN208872978U (en) | 2018-10-23 | 2018-10-23 | A kind of liquid crystal module test dust control signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821713409.8U CN208872978U (en) | 2018-10-23 | 2018-10-23 | A kind of liquid crystal module test dust control signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208872978U true CN208872978U (en) | 2019-05-17 |
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ID=66470699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821713409.8U Active CN208872978U (en) | 2018-10-23 | 2018-10-23 | A kind of liquid crystal module test dust control signal generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208872978U (en) |
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2018
- 2018-10-23 CN CN201821713409.8U patent/CN208872978U/en active Active
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