CN206975389U - Projector and projection system - Google Patents
Projector and projection system Download PDFInfo
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- CN206975389U CN206975389U CN201720834149.9U CN201720834149U CN206975389U CN 206975389 U CN206975389 U CN 206975389U CN 201720834149 U CN201720834149 U CN 201720834149U CN 206975389 U CN206975389 U CN 206975389U
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Abstract
The utility model provides projector and projection system, is related to film projection field.Projector provided by the utility model, by the way of two kinds of cooling systems are set simultaneously, it is by the way that there is provided the base of connection processor and protection shell, and semiconductor cooler and the first cooling fan are provided with the base, and then the cooling effect played by semiconductor cooler and the first cooling fan to protection housing interior volume, also 4 cooling fans are provided with the inside of protection shell simultaneously, because the blowing wind direction of this four cooling fans is successively towards next fan, therefore, more three-dimensional wind direction can be internally formed in protection shell, so that each corner in protection shell can be blown to, improve overall air passage rates, and then it reduce further the temperature of system.
Description
Technical field
The present invention relates to film projection field, in particular to projector and projection system.
Background technology
Projector is the image and sound recorded on film, coordinates the machinery that screen and sound amplifier etc. restore to set
It is standby.Cinematographic projector has various types, is commonly divided into fixed and portable two major class.By the width to run a picture,
The different projectors such as 70 millimeters, 35 millimeters, 16 millimeters, 8.75 millimeters and 8 millimeters can be then divided into.For the electricity of some special shapes
Shadow also equipped with the projectors such as solid, panorama, ring curtain, vault curtain, huge curtain.
With the raising of play-back technology, increasing movie theatre selects digital projector to show a film, also, with electricity
The lifting of shadow definition, the capacity of film film source is increasing, and the operating efficiency that this also results in the processor of projector is necessary
It is sufficiently high, the playing task of film can be normally completed.
But while processor operating efficiency improves, its degree of heat is also being lifted, if radiated without effective,
It can then cause processor to be difficult to prolonged normal work, and then motion picture projection can be caused to fail.
The content of the invention
It is an object of the invention to provide a kind of projector, to reduce temperature during projector work.
In a first aspect, the embodiments of the invention provide a kind of projector, including：
Rectangular protection shell, is arranged on the processor of protection enclosure, and is embedded on protection housing front plate
Camera lens；
Processor is by base with protecting the bottom wall of shell to be connected；
Base includes the base that lower end has the hollow cavity formula of opening, and base is in round table-like；Processor and base it is upper
Surface joint；Array is provided with multiple first air vents in the side wall of base, and multiple first air vents uniformly surround
In the side wall of base；On the bottom wall of protection shell, the second air vent is provided with the position corresponding with base；
Chassis interior is provided with semiconductor cooler and the first cooling fan, is located at semiconductor refrigerating in the first cooling fan
The top of device；The blowing wind direction of first cooling fan is towards processor；
The second cooling fan, the 3rd cooling fan, the 4th cooling fan and the 5th are provided with the inwall of protection shell
Cooling fan, third venting hole is provided with the rear wall of protection shell；It is second cooling fan, the 3rd cooling fan, the 4th cold
But the distance between fan and the 5th cooling fan and antetheca increase successively, and the second cooling fan is located at left wall and connected with upper wall
The edge at place, the 3rd cooling fan are located at the edge of upper wall and right wall joint, and the 4th cooling fan is located at right wall with
The edge of wall joint, the 5th cooling fan are located at the edge of lower wall and left wall joint；The blowing of second cooling fan
Wind direction blows towards the 3rd cooling fan, the blowing wind direction of the 3rd cooling fan towards the 4th cooling fan, the 4th cooling fan
Wind wind direction is towards the 5th cooling fan, and the blowing wind direction of the 5th cooling fan is towards third venting hole.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, also
Including timer, timer respectively with the second cooling fan, the 3rd cooling fan, the 4th cooling fan and the 5th cooling fan,
Timer, for starting timing after the power-up, and after timing reaches the scheduled time, trigger signal is generated, to drive the simultaneously
Two cooling fans, the 3rd cooling fan, the 4th cooling fan and the work of the 5th cooling fan.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of second of first aspect, wherein, also
Including：The strip sliding rail being arranged on bottom wall, the direction along antetheca towards rear wall of sliding rail are set, and, base
By sliding rail with protecting the bottom wall of shell to be slidably connected.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the third of first aspect, wherein,
The inwall of shell is protected close to the position of the second cooling fan, the 3rd cooling fan, the 4th cooling fan and the 5th cooling fan
On be provided with electrostatic precipitation paster.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 4th of first aspect kind, wherein,
Temperature sensor and temperature comparator are additionally provided with 4th cooling fan, the first report is additionally provided with the outer wall of protection shell
Alert indicator lamp；Temperature sensor, comparator and the first alarm lamp order electrically connect；
Temperature sensor, for detecting ambient temperature value, and generate corresponding actual temperature signal；
Temperature comparator, for by the temperature value corresponding to actual temperature signal compared with normal temperature value, and work as
Temperature value corresponding to actual temperature signal generates trigger signal when being more than normal temperature value, to drive the first alarm lamp work
Make.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 5th of first aspect kind, wherein,
Protect and be additionally provided with air velocity transducer and wind speed comparator on the inwall of shell, second is additionally provided with the outer wall of protection shell
Alarm lamp；Air velocity transducer, comparator and the second alarm lamp order electrically connect；
Air velocity transducer, for detecting ambient wind velocity value, and generate corresponding actual wind speed signal；
Wind speed comparator, for by the air speed value corresponding to actual wind speed signal compared with standard wind speed value, and work as
Air speed value corresponding to actual wind speed signal generates trigger signal when being more than standard wind speed value, to drive the second alarm lamp work
Make.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 6th of first aspect kind, wherein,
The outside in third venting hole is provided with separation net.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 7th of first aspect kind, wherein,
Protect and arranged side by side on the inwall of shell be provided with multiple cable card-bit parts.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 8th of first aspect kind, wherein, line
Cable card-bit part includes the first card of L-type and the second card of S types, and the first side wall of the first card is with protecting the inwall of shell to consolidate
Fixed connection, the first end of the second card is with protecting the inwall of shell to be fixedly connected, and the first side wall of the first card and the second card
The first end of piece close to, the second end of the second card between the second end of the second card and the second sidewall of the first card,
And second card the second end and the first card the first side wall between have a gap, the second end and the first card of the second card
There is gap between second sidewall；Extension of second end of the second card towards the direction bending-type of the second sidewall of the first card；
The screens piece of pentalpha, screens piece are extended with the direction of the second sidewall of the second end of the second card the first card of direction
There is gap with the second sidewall of the first card；
First card and the second card are stainless steel.
Second aspect, the embodiment of the present invention additionally provide a kind of projection system, including the projector such as first aspect, also wrapped
Extendable bracket is included, extendable bracket includes support disk and positioned at supporting the stretching, extension of disk bottom to support section, and stretching, extension support saves upper
End and the lower surface of support disk are rotatablely connected, and protect the bottom wall of shell with supporting the upper surface of disk to be detachably connected.
Projector provided in an embodiment of the present invention, by the way of two kinds of cooling systems are set simultaneously, and in the prior art
When the temperature of projector processor is too high, it may result in film and can not normally show and compare, it is by the way that there is provided junction
Manage device and protect the base of shell, and be provided with semiconductor cooler and the first cooling fan in the base, and then pass through half
The cooling effect that conductor refrigerator and the first cooling fan play to protection housing interior volume, it is also same in the inside of protection shell
When be provided with 4 cooling fans, due to the blowing wind direction of this four cooling fans be successively towards next fan, therefore,
More three-dimensional wind direction can be internally formed in protection shell, so that each corner in protection shell can be blown
Arrive, improve overall air passage rates, and then reduce further the temperature of system.…
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows the basic framework figure for the projector that the embodiment of the present invention is provided；
Fig. 2 shows the side view cutaway drawing for the projector that the embodiment of the present invention is provided；
Fig. 3 shows the rear cross sectional view for the projector that the embodiment of the present invention is provided；
Fig. 4 shows the three-dimensional cutaway view for the projector that the embodiment of the present invention is provided；
Fig. 5 shows the enlarged drawing of the cable card-bit part for the projector that the embodiment of the present invention is provided.
Main element symbol description：
101, protect shell；102, processor；103, base；104, the first cooling fan；105, the second cooling fan；
106, the 3rd cooling fan；107, the 4th cooling fan；108, the 5th cooling fan；109, the first card；110, the second card；
111, screens piece.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be configured to arrange and design with a variety of herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It there are in correlation technique by increasing a radiator fan and heat emission hole to reduce system energy temperature raising degree
Method, but this method can mostly just play mitigation, and effect is unsatisfactory.
For this kind of situation, this application provides a kind of projector, as Figure 1-5, including：
Rectangular protection shell 101, the processor 102 being arranged on inside protection shell 101, and be embedded outer in protection
Camera lens on the antetheca of shell 101；
Processor 102 is by base 103 with protecting the bottom wall of shell 101 to be connected；
Base 103 includes the base 103 that lower end has the hollow cavity formula of opening, and base 103 is in round table-like；Processor
102 with the upper surface joint of base 103；Array is provided with multiple first air vents, Duo Ge in the side wall of base 103
One air vent is uniformly looped around in the side wall of base 103；On the bottom wall of protection shell 101, the position corresponding with base 103
Put and be provided with the second air vent；
Base 103 is internally provided with semiconductor cooler and the first cooling fan 104, is located in the first cooling fan 104
The top of semiconductor cooler；The blowing wind direction of first cooling fan 104 is towards processor 102；
The second cooling fan 105, the 3rd cooling fan the 106, the 4th cooling wind are provided with the inwall of protection shell 101
The cooling fan 108 of fan 107 and the 5th, third venting hole is provided with the rear wall of protection shell 101；Second cooling fan 105,
The distance between 3rd cooling fan 106, the 4th cooling fan 107 and the 5th cooling fan 108 and antetheca increase successively, and
Two cooling fans 105 are located at the edge of left wall and upper wall joint, and the 3rd cooling fan 106 is located at upper wall and right wall joint
Edge, the 4th cooling fan 107 is located at the edge of right wall and lower wall joint, and the 5th cooling fan 108 is located at lower wall
With the edge of left wall joint；The blowing wind direction of second cooling fan 105 cools down wind towards the 3rd cooling fan 106, the 3rd
Blowing wind direction the 4th cooling fan 107 of direction of fan 106, blowing wind direction the 5th cooling fan of direction of the 4th cooling fan 107
108, the blowing wind direction of the 5th cooling fan 108 is towards third venting hole.
Wherein, it is typically metal material to protect shell 101, and anticollision is also provided with the outer wall of protection shell 101
Cushion pad, to improve the performance for protecting shell 101.Camera lens is a primary structure of imaging work, and processor 102 is finally sent
Light, it is necessary to by camera lens to curtain irradiate.
In scheme provided herein, two cooling systems are mainly provided with shell 101 is protected simultaneously, to be total to
It is same to play thermolysis, and then reduce the temperature inside protection shell 101.
First cooling system is made up of semiconductor cooler and the first cooling fan 104, semiconductor cooler energy
It is enough that refrigeration work is carried out in the case of energization, during its work, one end refrigeration other end heating, therefore, semiconductor cooler temperature
The higher one end of degree should stretch out protection shell 101, to avoid it from impacting internal environment.Due to the side wall of base 103
Upper array is provided with multiple first air vents, and multiple first air vents are uniformly looped around in the side wall of base 103, because
And the wind energy that the first cooling fan 104 is blown out enough is blown out by the first air vent, and further blow in protection shell 101
(mainly blowing near processor 102).
It should be noted that semiconductor cooler and need not be always on, mainly under the working condition of processor 102
Temperature is higher than that environment temperature is a lot, the air inside shell 101 will be protected to blow to protection shell by the first cooling fan 104
101 inside, have been able to have the function that cooling, only when protecting the temperature inside shell 101 too high, be just necessary
Start semiconductor cooler.
Second cooling system is by the second cooling fan 105, the 3rd cooling fan 106, the 4th cooling fan 107 and
Five cooling fans 108 are formed.Pass through the description of foregoing teachings, it can be seen that if this four cooling fans work simultaneously, energy
Enough form the wind of tornado type, each corner that such wind energy is enough blown to inside protection shell 101, that is, the second cooling fan
105 wind blown out move towards the 3rd cooling fan 106, and the wind that the 3rd cooling fan 106 is blown out cools down wind towards the 4th
The motion of fan 107, the wind that the 4th cooling fan 107 is blown out moves towards the 5th cooling fan 108, and final 5th cooling fan
Wind is blown out protection shell 101 by 108 by third venting hole.Wherein, due to being provided with semiconductor cooler inside base 103
With the first cooling fan 104, therefore, semiconductor cooler is blown after allowing ambient temperature to decline by the first cooling fan 104
Wind inside to protection shell 101 is cooled wind, and then the second cooling fan 105, the 3rd cooling fan the 106, the 4th are cold
But the cooling fan 108 of fan 107 and the 5th can also use the wind after the cooling.
Preferably, the distance between the second cooling fan 105 and the 3rd cooling fan 106, the 3rd cooling fan 106 and
The distance between four cooling fans 107, and the distance between the 4th cooling fan 107 and the 5th cooling fan 108 are phases
Deng.
In order to reduce total system energy consumption, fan should be avoided to be in continuous firing state, that is, make fan interim
Work.And then projector provided herein also includes timer, timer respectively with the second cooling fan the 105, the 3rd
Cooling fan 106, the 4th cooling fan 107 and the 5th cooling fan 108, timer, for starting timing after the power-up, and
After timing reaches the scheduled time, trigger signal is generated, to drive the second cooling fan 105, the 3rd cooling fan 106, the simultaneously
Four cooling fans 107 and the 5th cooling fan 108 work.
Specifically, timer can generate a trigger signal every 1 minute, to drive these cooling fans work 10
Second.And then reduce the effect of operating power consumption.
Preferably, projector provided herein, in addition to：The strip sliding rail being arranged on bottom wall, slide
The direction along antetheca towards rear wall of track is set, and, base 103 is slided by the bottom wall of sliding rail and protection shell 101
Connection.
By setting strip slide rail so that base 103 can move on strip slide rail, and then drive base
103 move with the processor 102 being arranged on base 103.
Preferably, it is cold close to the second cooling fan 105, the 3rd cooling fan the 106, the 4th in the inwall of protection shell 101
But it is provided with electrostatic precipitation paster on the position of the cooling fan 108 of fan 107 and the 5th.
That is, a certain amount of dust can be produced, by setting electrostatic after the certain time that works inside protection shell 101
Dust-removing paster can be adsorbed to dust to a certain extent, certainly, it is also desirable to which user is every to be changed at regular intervals.
Preferably, temperature sensor and temperature comparator are additionally provided with the 4th cooling fan 107, in protection shell
The first alarm lamp is additionally provided with 101 outer wall；Temperature sensor, comparator and the first alarm lamp order are electrically connected
Connect；
Temperature sensor, for detecting ambient temperature value, and generate corresponding actual temperature signal；
Temperature comparator, for by the temperature value corresponding to actual temperature signal compared with normal temperature value, and work as
Temperature value corresponding to actual temperature signal generates trigger signal when being more than normal temperature value, to drive the first alarm lamp work
Make.
When the first alarm lamp works, the temperature typically inside explanation protection shell 101 is too high, now
Cooled by cooling fan, also can not effectively control its internal temperature, be merely able to using think by the way of interfering come
Adjust internal temperature, system crash caused by avoid temperature too high.
Preferably, air velocity transducer and wind speed comparator are additionally provided with the inwall of protection shell 101, in protection shell
The second alarm lamp is additionally provided with 101 outer wall；Air velocity transducer, comparator and the second alarm lamp order are electrically connected
Connect；
Air velocity transducer, for detecting ambient wind velocity value, and generate corresponding actual wind speed signal；
Wind speed comparator, for by the air speed value corresponding to actual wind speed signal compared with standard wind speed value, and work as
Air speed value corresponding to actual wind speed signal generates trigger signal when being more than standard wind speed value, to drive the second alarm lamp work
Make.
Air velocity transducer effect is similar with temperature comparator, is a difference in that temperature comparator is more directly perceived, mainly temperature
Degree comparator can directly react internal temperature, no matter whether having wind inside protection shell 101, as long as temperature is too high, with regard to explanation
System may break down.And what air velocity transducer predominantly detected is whether inside has wind circulation temperature lowering, if wind-force is too small,
Then illustrate that these cooling fans are all stopped, or specify it is several be stopped, now should use think to examine
The mode repaiied is handled.
Refer to it should be noted that the urgency level for the alarm signal that the second alarm lamp is sent is less than the first alarm
Show the urgency level for the alarm signal that lamp is sent, this is stopped mainly due to cooling fan does not represent system entirety
Temperature is too high.Therefore the two alarm lamps should set different type of alarms, to inform user with different urgent journeys
Degree.
Preferably, the outside in third venting hole is provided with separation net.
Alert indicator lamp should set different type of alarms, to inform user with different urgency levels.
Preferably, it is arranged side by side on the inwall of protection shell 101 to be provided with multiple cable card-bit parts.The master of cable card-bit part
It is to block Internal cable to act on, and constrains cabling, the problem of being caused with avoiding cabling chaotic.
Specifically, cable card-bit part includes the first card 109 of L-type and the second card 110 of S types, the first card 109
The first side wall (side wall where the lower edge of L-type) is with protecting the inwall of shell 101 to be fixedly connected, and the first of the second card 110
Hold with protecting the inwall of shell 101 to be fixedly connected, and the first end of the first side wall of the first card 109 and the second card 110 is tight
Neighbour, the second end of the second card 110 is between the second end of the second card 110 and the second sidewall of the first card 109, and
There are gap, the second end and first of the second card 110 between the first side wall of second end of two cards 110 and the first card 109
There is gap between the second sidewall of card 109；The side of the second sidewall of the second end the first card 109 of direction of second card 110
Extension to bending-type；Five are extended with the direction of the second sidewall of the second end of the second card 110 the first card 109 of direction
The star-shaped screens piece 111 in angle, the second sidewall of the card 109 of screens piece 111 and first have gap；
First card 109 and the second card 110 are stainless steel.
Present invention also provides a kind of projection system, including foregoing projector, in addition to extendable bracket, extendable bracket bag
Include support disk and the stretching, extension positioned at support disk bottom supports section, the upper end and the lower surface of support disk of stretching, extension support section turn
Dynamic connection, the bottom wall of shell 101 is protected with supporting the upper surface of disk to be detachably connected.
By setting extendable bracket so that projector more can flexibly adjust its position and direction, improve use
Flexibility ratio.
If function is realized in the form of SFU software functional unit and as independent production marketing or in use, can stored
In a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words to existing
The part for having part that technology contributes or the technical scheme can be embodied in the form of software product, the computer
Software product is stored in a storage medium, including some instructions are make it that a computer equipment (can be personal meter
Calculation machine, server, or network equipment etc.) perform all or part of step of each embodiment method of the present invention.It is and foregoing
Storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
- A kind of 1. projector, it is characterised in that including：Rectangular protection shell, is arranged on the processor of the protection enclosure, and is embedded before the protection shell Camera lens on wall；The processor is connected by base with the bottom wall of the protection shell；The base includes the base that lower end has the hollow cavity formula of opening, and the base is in round table-like；The processor with The upper surface joint of the base；Array is provided with multiple first air vents in the side wall of the base, the multiple First air vent is uniformly looped around in the side wall of the base；It is relative with the base on the bottom wall of the protection shell The second air vent is provided with the position answered；The chassis interior is provided with semiconductor cooler and the first cooling fan, in first cooling fan positioned at described half The top of conductor refrigerator；The blowing wind direction of first cooling fan is towards the processor；The second cooling fan, the 3rd cooling fan, the 4th cooling fan and the 5th are provided with the inwall of the protection shell Cooling fan, third venting hole is provided with the rear wall of the protection shell；Second cooling fan, the 3rd cooling wind The distance between fan, the 4th cooling fan and the 5th cooling fan and antetheca increase successively, and the second cooling fan is located at left wall With the edge of upper wall joint, the 3rd cooling fan is located at the edge of upper wall and right wall joint, the 4th cooling fan position In the edge of right wall Yu lower wall joint, the 5th cooling fan is located at the edge of lower wall and left wall joint；Described second The blowing wind direction of cooling fan is towards the 3rd cooling fan, and the blowing wind direction of the 3rd cooling fan is towards the described 4th Cooling fan, the blowing wind direction of the 4th cooling fan blow towards the 5th cooling fan, the 5th cooling fan Wind wind direction is towards third venting hole.
- 2. projector according to claim 1, it is characterised in that also including timer, the timer is respectively with second Cooling fan, the 3rd cooling fan, the 4th cooling fan and the 5th cooling fan, the timer, for starting after the power-up Timing, and after timing reaches the scheduled time, generate trigger signal, with drive simultaneously the second cooling fan, the 3rd cooling fan, 4th cooling fan and the work of the 5th cooling fan.
- 3. projector according to claim 1, it is characterised in that also include：The strip being arranged on the bottom wall is slided Dynamic rail road, the direction along antetheca towards rear wall of the sliding rail are set, and, the base passes through the sliding rail and institute The bottom wall for stating protection shell is slidably connected.
- 4. projector according to claim 1, it is characterised in that cold close to described second in the inwall of the protection shell But it is provided with electrostatic precipitation paster on the position of fan, the 3rd cooling fan, the 4th cooling fan and the 5th cooling fan.
- 5. projector according to claim 1, it is characterised in that temperature biography is additionally provided with the 4th cooling fan Sensor and temperature comparator, the first alarm lamp is additionally provided with the outer wall of the protection shell；The temperature sensor, The comparator and first alarm lamp order electrically connect；The temperature sensor, for detecting ambient temperature value, and generate corresponding actual temperature signal；The temperature comparator, for by the temperature value corresponding to actual temperature signal compared with normal temperature value, and work as Temperature value corresponding to actual temperature signal generates trigger signal when being more than normal temperature value, to drive first police instruction Lamp works.
- 6. projector according to claim 1, it is characterised in that be additionally provided with wind speed on the inwall of the protection shell Sensor and wind speed comparator, the second alarm lamp is additionally provided with the outer wall of the protection shell；The wind speed sensing Device, the comparator and second alarm lamp order electrically connect；The air velocity transducer, for detecting ambient wind velocity value, and generate corresponding actual wind speed signal；The wind speed comparator, for by the air speed value corresponding to actual wind speed signal compared with standard wind speed value, and work as Air speed value corresponding to actual wind speed signal generates trigger signal when being more than standard wind speed value, to drive second police instruction Lamp works.
- 7. projector according to claim 2, it is characterised in that the outside in the third venting hole is provided with isolation Net.
- 8. projector according to claim 1, it is characterised in that arranged side by side on the inwall of the protection shell to be provided with Multiple cable card-bit parts.
- 9. projector according to claim 8, it is characterised in that the cable card-bit part includes the first card and S of L-type Second card of type, the first side wall of first card are fixedly connected with the inwall of the protection shell, second card First end be fixedly connected with the inwall of the protection shell, and the first side wall of first card and second card First end is close to the second end of second card is located at the second end of second card and the second side of first card Between wall, and there are gap, second card between the first side wall of the second end of second card and first card The second end and first card second sidewall between have gap；The second end the first card of direction of second card The extension of the direction bending-type of second sidewall；Second sidewall at the second end of second card towards first card The screens piece of pentalpha is extended with direction, the second sidewall of the screens piece and first card has gap；First card and second card are stainless steel.
- 10. a kind of projection system, it is characterised in that including the projector as described in claim any one of 1-9, in addition to stretching, extension Support, the extendable bracket includes support disk and the stretching, extension positioned at the support disk bottom supports section, the stretching, extension support The upper end of section and the lower surface of the support disk are rotatablely connected, the upper table of the bottom wall of the protection shell and the support disk Face is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720834149.9U CN206975389U (en) | 2017-07-11 | 2017-07-11 | Projector and projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720834149.9U CN206975389U (en) | 2017-07-11 | 2017-07-11 | Projector and projection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206975389U true CN206975389U (en) | 2018-02-06 |
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ID=61402597
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720834149.9U Active CN206975389U (en) | 2017-07-11 | 2017-07-11 | Projector and projection system |
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| CN (1) | CN206975389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471488A (en) * | 2018-11-12 | 2019-03-15 | 中影环球（北京）科技有限公司 | A kind of projector clocking method and system |
-
2017
- 2017-07-11 CN CN201720834149.9U patent/CN206975389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471488A (en) * | 2018-11-12 | 2019-03-15 | 中影环球（北京）科技有限公司 | A kind of projector clocking method and system |
| CN109471488B (en) * | 2018-11-12 | 2020-04-21 | 中影环球（北京）科技有限公司 | Projector timing method and system |
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