CN206602598U - A kind of projecting apparatus - Google Patents
A kind of projecting apparatus Download PDFInfo
- Publication number
- CN206602598U CN206602598U CN201720168335.3U CN201720168335U CN206602598U CN 206602598 U CN206602598 U CN 206602598U CN 201720168335 U CN201720168335 U CN 201720168335U CN 206602598 U CN206602598 U CN 206602598U
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- China
- Prior art keywords
- circuit
- microcontroller
- output end
- input
- projecting apparatus
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Abstract
The utility model discloses a kind of projecting apparatus, its drip irrigation device is：Local component is provided with several including pressure sensor and is respectively arranged on the end face of each leg, and amplifying circuit is connected to pressure sensor and pyroelectric sensor, and starting switch is electrically connected to the triggering end of delay circuit；Control circuit is connected to delay circuit and amplifying circuit, and radio transtation mission circuit is connected to the output end of control circuit；Remote component includes radio receiver circuit, microcontroller two, warning circuit and the second source for providing electric energy；Radio receiver circuit is connected to the input of microcontroller two, and warning circuit is connected to the output end of microcontroller two；Wherein, when control circuit from delay circuit receive time delayed signal, from pyroelectric sensor receive detection signal, do not receive pressure signal from pressure sensor when, the control circuit sends alarm signal by radio transtation mission circuit.
Description
Technical field
The utility model is related to projector equipment, more particularly to a kind of projecting apparatus.
Background technology
Projecting apparatus is also known as projector, is by image or video by digital optical processing technique or LCD liquid crystal imagings technology
The equipment for projecting or reflexing on screen, can be by different signal sources, and such as computer, mobile phone, DVD, DV access are corresponding
Image and vision signal, realize and play.Projecting apparatus is widely used in the places such as education, commercial affairs, engineering, family expenses.
In traditional projecting apparatus, there is the one kind for being placed on and being projected on desk, this kind of projecting apparatus is not carried out effectively
Fixation, although convenient in carrying, but using after projecting apparatus, user of service typically can leave Administrative Area, after leaving,
Projecting apparatus will be in unserviced state, when at night, and this has just given the chance that pilferage personnel steal, therefore, projection
The stolen event of instrument occurs often, so as to cause economic loss to user of service.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of projecting apparatus, with security
High the characteristics of.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of projecting apparatus, including body and some legs located at body lower surface, the projecting apparatus also include local group
Part and remote component；
Local component is installed on body, the local component include pressure sensor, pyroelectric sensor, amplifying circuit,
Delay circuit, control circuit, starting switch, radio transtation mission circuit and the first power supply for providing electric energy；Pressure sensing
Device is provided with several and is respectively arranged on the end face of each leg, and amplifying circuit is connected to pressure sensor and heat is released
Electric transducer, starting switch is electrically connected to the triggering end of delay circuit；The output end of control circuit is connected to delay circuit
Output end and amplifying circuit output end, radio transtation mission circuit be connected to control circuit output end；
Remote component include radio receiver circuit, microcontroller two, warning circuit and for providing electric energy second
Power supply；Radio receiver circuit is connected to the input of microcontroller two, and warning circuit is connected to the output end of microcontroller two；
Wherein, when control circuit from delay circuit receive time delayed signal, from pyroelectric sensor receive detection signal,
When not receiving pressure signal from pressure sensor, the control circuit sends alarm signal by radio transtation mission circuit；It is described
Microcontroller two is received after the alarm signal by radio receiver circuit and carried with controlling the warning circuit to send alarm
Show sound.
It is preferred that, the control circuit includes not circuit and gate circuit and microcontroller one；
With gate circuit, with first input end, the second input, the 3rd input and output end, should be with gate circuit the
One input is connected to the output end of delay circuit, and its second input is connected to pyroelectric sensor, its 3rd input electricity
It is connected to after not circuit and is electrically connected to pressure sensor；
Microcontroller one, with input and output end, the input of the microcontroller one is electrically connected to and gate circuit
Output end, its output end is electrically connected to radio transtation mission circuit.
It is preferred that, the delay circuit is integrated using 555 delay circuits.
It is preferred that, the warning circuit includes：
Resistance, its one end is connected to the output end of microcontroller two；
Triode, its base stage is connected to the other end of resistance, its grounded emitter；
Buzzer, its one end is connected to second source, and its other end is connected to the colelctor electrode of triode.
It is preferred that, first power supply uses storage battery plants, and first power supply is connected to the projection by charge-discharge circuit
The power line of instrument.
In summary, the utility model having the beneficial effect that in contrast to prior art：
The remote component is held on corresponding administrative staff, after staff has used the projecting apparatus, is pressed startup and is opened
Close, delay circuit triggering, delay circuit is extremely controlled in circuit with delaying a period of time output time delayed signal；When delay circuit delay
Terminate and after staff leaves, if pyroelectric sensor detect personnel close to and some pressure sensors do not detect
To pressure of the projecting apparatus to it, then it represents that projecting apparatus is by mobile carrying in desk tops, and now, control circuit passes through nothing immediately
Line electricity transtation mission circuit sends alarm signal to remote component, and the warning circuit on remote component sends alarm sound to point out pair
The administrative staff answered are checked.
Brief description of the drawings
Fig. 1 is the use state figure of embodiment；
Fig. 2 is the circuit diagram of local component；
Fig. 3 A are the circuit diagram of delay circuit；
Fig. 3 B are the circuit diagram of control circuit；
Fig. 4 is the circuit diagram of remote component.
Reference：1st, body；2nd, leg；3rd, local component；301st, the first housing；302nd, circuit is controlled；303rd, it is delayed
Circuit；4th, remote component；401st, the second housing；402nd, warning circuit.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in figure 1, a kind of projecting apparatus, including body 1 and some legs 2 located at the lower surface of body 1, leg 2 is set
Four are equipped with, and is located at four corners of body 1 respectively, each leg 2 can be connected to the following table of body 1 by screw flight
Face is to adjust inclination angle of the body 1 in desk tops.
The projecting apparatus also includes local component 3 and sets up the remote component 4 that wireless telecommunications are connected with local component 3.
Local component 3 is installed on body 1.Wherein, the remote component 4 is held on corresponding administrative staff, such as security personnel,
Operator on duty etc..
In the present embodiment, as shown in Fig. 2 local component 3 includes pressure sensor, the first housing 301 and positioned at first
Pyroelectric sensor, amplifying circuit, delay circuit 303, control circuit 302, starting switch S1, radio hair in housing 301
Power transmission road and the first power supply for providing electric energy.
Pressure sensor is provided with several and is respectively arranged on the end face of each leg 2, each pressure sensor
Output end is electrically connected with the input of amplifying circuit, therefore, and amplifying circuit can enter to the pressure signal Vy that pressure sensor is exported
Row enhanced processing.
Pyroelectric sensor is used to detect whether human body detects signal Vr accordingly close to export.Accordingly, pyroelectricity
The output end of sensor is electrically connected with the input of amplifying circuit, so that, the inspection that amplifying circuit can be exported to pyroelectric sensor
Survey signal Vr and be amplified processing.
Delay circuit 303 is integrated using 555 delay circuits, shown in reference picture 3A, and delay circuit 303 has triggering end and defeated
Go out end, the triggering end of delay circuit 303 uses triode Q1, starting switch S1 to be electrically connected to the triggering end of delay circuit 303, when
When pressing starting switch S1, the triggering end of delay circuit 303 is introduced into a low level and triggered, and from it after preset time
Three pin export the time delayed signal Vs of a high level.In the present embodiment, the default time between 5 minutes ~ 10 minutes, in order to
Staff is pressed after starting switch S1, has time enough to leave, it is to avoid the triggering of pyroelectric sensor.
The output end of control circuit 302 is connected to the output end of delay circuit 303 and the output end of amplifying circuit, with
Corresponding time delayed signal Vs is received, detection signal Vr and pressure signal Vy by enhanced processing.Control the output end of circuit 302
Radio transtation mission circuit is connected to, and the antenna being connected with radio transtation mission circuit is provided with the first housing 301.
In the present embodiment, as shown in Figure 3 B, control circuit 302 includes not circuit F1 and gate circuit Y1 and microcontroller
One；With gate circuit Y1, with first input end, the second input, the 3rd input and output end, first with gate circuit Y1 is somebody's turn to do
Input is connected to the output end of delay circuit 303, and its second input is connected to pyroelectric sensor, its 3rd input electricity
Pressure sensor is electrically connected to after being connected to not circuit F1；Microcontroller one, with input and output end, the microcontroller
One input is electrically connected to the output end with gate circuit Y1, and its output end is electrically connected to radio transtation mission circuit.
Thus, pressed in staff after starting switch S1 leaves, delay circuit 303 exports high level after preset time
Time delayed signal Vs to in gate circuit Y1 first input end；Now, pyroelectric sensor, pressure sensor are in continuing
Monitoring state in；If, pyroelectric sensor detect personnel close to by export a high level detection signal Vr to door
In circuit Y1 the second input.And the personnel cause the body 1 of projecting apparatus not to pressure sensor in carrying projecting apparatus
During build-up of pressure, represent that projecting apparatus is carried privately, pressure sensor will export low level pressure signal Vy, pass through NOT gate electricity
Road F1 be converted to the pressure signal Vy of high level to in gate circuit Y1 the 3rd input so that exported with gate circuit Y1 from it
The signal of end output high level is into microcontroller one, and microcontroller one sends alarm signal by radio transtation mission circuit.
What deserves to be explained is, the first power supply uses storage battery plants, and first power supply is connected to the throwing by charge-discharge circuit
The power line of shadow instrument, therefore, the first power supply can be charged when projecting apparatus is connected by charge-discharge circuit, reach circulation length
The purpose used long.
As shown in figure 4, remote component 4 includes the second housing 401 and the radio reception in the second housing 401
Circuit, microcontroller two, warning circuit 402 and the second source for providing electric energy；Radio receiver circuit is connected to micro-
The input of controller two, warning circuit 402 is connected to the output end of microcontroller two.Wherein, installed on the second housing 401
The connected antenna of being and not being line electricity receiving circuit.
Warning circuit 402 includes：Resistance R2, its one end is connected to the output end of microcontroller two；Triode Q2, its base stage
The resistance R2 other end is connected to, its grounded emitter；Buzzer H1, its one end is connected to second source, the connection of its other end
In triode Q2 colelctor electrode.
Therefore, after microcontroller two receives alarm signal by radio receiver circuit, microcontroller two will be triggered
Triode Q2 is turned on, now, and buzzer H1 obtains electric will send and alarms offer sound to give corresponding administrative staff's warning to carry out
Check.
Described above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model
Enclose, protection domain of the present utility model is determined by appended claim.
Claims (5)
1. a kind of projecting apparatus, including body (1) and some legs (2) located at body (1) lower surface, it is characterized in that, the throwing
Shadow instrument also includes local component (3) and remote component (4)；
Local component (3) is installed on body (1), and the local component (3) includes pressure sensor, pyroelectric sensor, amplification
Circuit, delay circuit (303), control circuit (302), starting switch, radio transtation mission circuit and for providing electric energy the
One power supply；Pressure sensor is provided with several and is respectively arranged on the end face of each leg (2), and amplifying circuit is connected respectively
In pressure sensor and pyroelectric sensor, starting switch is electrically connected to the triggering end of delay circuit (303)；Control circuit
(302) output end is connected to the output end of delay circuit (303) and the output end of amplifying circuit, radio transtation mission circuit
It is connected to the output end of control circuit (302)；
Remote component (4) includes radio receiver circuit, microcontroller two, warning circuit (402) and for providing electric energy
Second source；Radio receiver circuit is connected to the input of microcontroller two, and warning circuit (402) is connected to microcontroller two
Output end；
Wherein, from delay circuit (303) time delayed signal is received when control circuit (302), receive inspection from pyroelectric sensor
When surveying signal, not receiving pressure signal from pressure sensor, the control circuit (302) sends report by radio transtation mission circuit
Alert signal；The microcontroller two receives after the alarm signal to control the warning circuit by radio receiver circuit
(402) alarm sound is sent.
2. a kind of projecting apparatus according to claim 1, it is characterized in that, the control circuit (302) include not circuit, with
Gate circuit and microcontroller one；
With gate circuit, with first input end, the second input, the 3rd input and output end, should with it is the first of gate circuit defeated
Enter the output end that end is connected to delay circuit (303), its second input is connected to pyroelectric sensor, its 3rd input electricity
It is connected to after not circuit and is electrically connected to pressure sensor；
Microcontroller one, with input and output end, the input of the microcontroller one is electrically connected to the output with gate circuit
End, its output end is electrically connected to radio transtation mission circuit.
3. a kind of projecting apparatus according to claim 1, it is characterized in that, the delay circuit (303) uses 555 delay circuits
It is integrated.
4. a kind of projecting apparatus according to claim 1, it is characterized in that, the warning circuit (402) includes：
Resistance, its one end is connected to the output end of microcontroller two；
Triode, its base stage is connected to the other end of resistance, its grounded emitter；
Buzzer, its one end is connected to second source, and its other end is connected to the colelctor electrode of triode.
5. a kind of projecting apparatus according to claim 1, it is characterized in that, first power supply uses storage battery plants, and this first
Power supply is connected to the power line of the projecting apparatus by charge-discharge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720168335.3U CN206602598U (en) | 2017-02-23 | 2017-02-23 | A kind of projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720168335.3U CN206602598U (en) | 2017-02-23 | 2017-02-23 | A kind of projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206602598U true CN206602598U (en) | 2017-10-31 |
Family
ID=60146363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720168335.3U Expired - Fee Related CN206602598U (en) | 2017-02-23 | 2017-02-23 | A kind of projecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206602598U (en) |
-
2017
- 2017-02-23 CN CN201720168335.3U patent/CN206602598U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171031 Termination date: 20200223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |