CN2247897Y - infrared light controlled switch - Google Patents
infrared light controlled switch Download PDFInfo
- Publication number
- CN2247897Y CN2247897Y CN 95228718 CN95228718U CN2247897Y CN 2247897 Y CN2247897 Y CN 2247897Y CN 95228718 CN95228718 CN 95228718 CN 95228718 U CN95228718 U CN 95228718U CN 2247897 Y CN2247897 Y CN 2247897Y
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Abstract
The utility model relates to an infrared light controlled switch whose switching is controlled by light intensity and human body infrared. The infrared light controlled switch comprises a shell and a control circuit, wherein, the control circuit comprises a visual light signal processing circuit, a photosensitive resistor and a power supply circuit providing the working voltage of each part, and also comprises an infrared sensor, an infrared signal processing circuit, a logic processing circuit and a silicon controlling rectifier trigger circuit. The electrical signal end of the infrared sensor is connected with the input end of the infrared signal processing circuit; the output end of the infrared signal processing circuit is connected with the input end of the logic processing circuit; the output end of the logic processing circuit is connected with the input end of the silicon controlling rectifier trigger circuit; the output end of the silicon controlling rectifier trigger circuit is connected with circuit load.
Description
The utility model relates to a kind of luminous intensity and human body infrared infrared light control switch that comes the connecting and disconnecting of control circuit of utilizing.
Existing in the market this series products, wherein the Buddhist nun to match the MBD-100 type infrared control switch that pull sensor company produces be exactly one of them, it is a kind of human body infrared control switch, function is more single, can not control with visible light separately; In addition, part is special in addition because of it, and cost is higher, and assembling and setting is complicated.
The purpose of this utility model is to provide a kind of luminous intensity and human body infrared two kinds of energy of utilizing to come the infrared light control switch of control circuit break-make.
Two of the purpose of this utility model is to provide a kind of function light-operated switch how, and specifically, it can realize four kinds of functions respectively: (1) utilizes human body infrared control; (2) utilize visible light control; (3) utilize human body infrared simultaneously and visible light control, switch connection when promptly the both exists, when having one not exist or neither exist among both, switch disconnects.
Three of the purpose of this utility model is to provide a kind of infrared light control switch that can regulate delay time voluntarily.
For achieving the above object, the utility model adopts following technical measures:
Infrared light control switch of the present utility model comprises housing and is assembled in control circuit in the housing; Control circuit comprises: visible light signal treatment circuit, photo resistance and the power circuit of the required operating voltage of each several part is provided;
It is characterized in that:
Control circuit also comprises: infrared sensor, infrared signal processing circuit, logic processing circuit and thyristor gating circuit;
The signal of telecommunication end of described infrared sensor is connected with the input of described infrared signal treatment circuit, the output of infrared signal treatment circuit is connected with an input of described logic processing circuit, and the output of logic processing circuit is connected with the input of described thyristor gating circuit; The output connecting circuit load of thyristor gating circuit;
The input of described visible light signal treatment circuit and output connect the signal of telecommunication end of described photo resistance and an output of described logic processing circuit respectively;
Described infrared sensor receives infrared signal, be converted into the signal of telecommunication, this signal of telecommunication inputs to described logic processing circuit after described infrared signal processing circuit processes, after the logic processing circuit logic is selected, be input to described thyristor gating circuit, produce the triggering signal that is added to load;
The signal of telecommunication that the described photo resistance conversion of another route comes, after the visible light signal treatment circuit receives, handles, also input to logic processing circuit, after the logic of logic processing circuit is selected, be input to thyristor gating circuit equally, produce the triggering signal that is added to load.
Described infrared light control switch is characterized in that: described infrared signal treatment circuit is compared delay circuit and is formed by an input circuit, an amplifying circuit and; The input of amplifying circuit and output connect described input circuit and comparison delay circuit respectively, and the output of the input of input circuit and comparison delay circuit connects described infrared sensor and described logic processing circuit respectively.
Described infrared light control switch is characterized in that: in the described infrared signal treatment circuit: input circuit is a low pass filter of being made up of resistance, electric capacity; Described amplifying circuit comprises two operational amplifiers, and its centre frequency is 1Hz; Described relatively delay circuit mainly comprises two operational amplifiers, one of them is device as a comparison, be used to differentiate the change in voltage of pre-amplifier output, another operational amplifier gives the regular hour time-delay as the time-delay monostable to the triggering upset of signal each time.
Described infrared light control switch is characterized in that: described visible light signal treatment circuit mainly comprises a triode that is connected with described photo resistance; The change in resistance of photo resistance is depended in end and the conducting of triode.
Described infrared light control switch is characterized in that: described logic processing circuit is a positive logic AND circuit, mainly comprises diode, resistance and two switches; Described two switches are connected with the output of described relatively delay circuit and described optical signal processing circuit respectively;
When respective switch disconnects, be equivalent to this AND circuit input termination high level, the output signal of signal processing circuit is not carried out logical operation; When respective switch was closed, the output signal of signal processing circuit was carried out logical operation as the input signal of AND circuit to this signal.
Described infrared light control switch is characterized in that: described thyristor gating circuit mainly comprises a triode and a bidirectional triode thyristor;
The base stage of triode connects described logic processing circuit, and its emitter-base bandgap grading connects the control utmost point of described bidirectional triode thyristor, the minus earth of bidirectional triode thyristor.
Described infrared light control switch is characterized in that: described housing comprise a base, be articulated in lower cover on the base, one and the loam cake and that covers of lower cover be installed in the lens of tops.
Described infrared light control switch is characterized in that: the bottom of described lower cover is connected with a universal joint that is spherical shape; Described base top is provided with a circular hole that is slightly smaller than described ball diameter, so that described universal joint can be pressed in the circular hole of base, and can rotate in circular hole;
Described infrared light control switch is characterized in that: described lower cover and the mode of covering of loam cake are taked the combination that engages;
Described infrared light control switch is characterized in that: described lens can take to engage mode with the combination of loam cake.
The utility model is compared with existing homogeneous circuit switch has following effect:
The utility model compact conformation, volume is little, debugging is simple, cost is low and convenient by dress, this on-off effect sensitivity, dependable performance, good looking appearance.
Reaching embodiment in conjunction with the accompanying drawings is described as follows characteristics of the present utility model:
Description of drawings:
Fig. 1: the combination schematic diagram of infrared light control switch of the present utility model;
Fig. 2: the circuit block diagram of infrared light control switch of the present utility model;
Fig. 3: the circuit diagram of the embodiment of the utility model infrared light control switch;
As shown in Figure 1, the combination schematic diagram of infrared light control switch of the present utility model; Infrared light control switch of the present utility model comprises housing and is assembled in the printed circuit board 7 that is shaped on control circuit in the housing;
Housing comprise a base 5, be articulated in lower cover 4 on the base 5, one and the loam cake 2 and that covers of lower cover 4 be installed on the lens 1 of tops;
The bottom of lower cover 4 of the present utility model is connected with a universal joint 6, base 5 is connected with universal joint 6, and universal joint 6 is spherical shape, and the top of base 5 is provided with a circular hole that is slightly smaller than described ball diameter, so that universal joint 6 can be pressed in the circular hole of base 5, and can in circular hole, rotate; Lower cover 4 and the mode of covering of loam cake 2 can be taked the combination that screws togather or engage; Lens 1 and the combination of loam cake 2 can be taked the mode that engages or glue together; Lower cover 4 is fastened on the loam cake 2 in the present embodiment; Lens 1 are glued on the loam cake 2.
Control circuit comprises: infrared signal processing circuit 21, optically-controlled signal treatment circuit 22, logic processing circuit 23, thyristor gating circuit 24 and power circuit 25;
Infrared signal processing circuit 21 receives by the next signal of infrared sensor 27 conversions, after treatment, inputs to logic processing circuit 23, is input to thyristor gating circuit 24 after the logic of logic processing circuit is selected, and produces the triggering signal that is added to load 29; Another road signal is received by the next signal of photo resistance 28 conversions by visible light signal treatment circuit 26, after treatment, also input to logic processing circuit 23, after the logic of logic processing circuit 23 is selected, be input to thyristor gating circuit 24 equally, produce the triggering signal that is added to load 29; Power circuit 25 provides each several part required operating voltage after voltage stabilizing.
Wherein:
Described infrared signal processing circuit 21 is made up of input circuit 211, amplifying circuit 212 and comparison delay circuit 213; The signal that is come by infrared sensor 27 conversions is passed to amplifying circuit 212 through input circuit 211, after the amplification, is input to comparison delay circuit 213 to make delay process as required.
As shown in Figure 3, it is the circuit diagram of the embodiment of the multi-functional light-operated switch of the utility model; In the present embodiment, the input circuit 211 of infrared signal processing circuit 21 comprises low pass filter, resistance 2113, an electric capacity 2114,2115 of being made up of resistance 2111 and electric capacity 2112; Low pass filter can effectively filtering external interference, prevents circuit oscillation, and resistance 2113 is transducer source electrode sampling resistor; Electric capacity 2115 is the stopping direct current coupling capacitance, its can with adopt by transducer the low-frequency voltage variable signal be coupled to amplifying circuit;
Amplifying circuit 212 mainly comprises two operational amplifiers 2121,2122, and its centre frequency is 1Hz, and the two-stage multiplication factor is 80dB;
Relatively delay circuit 213 mainly comprises two operational amplifiers 2131,2132, one of them is device (2131) as a comparison, be used to differentiate the change in voltage of pre-amplifier output, another operational amplifier 2132 gives the regular hour time-delay as the time-delay monostable to triggering upset each time.
Comparator 2131 positive inputs connect the output of preamplifying circuit 212, the difference of the reference voltage of backward end and prime quiescent voltage is the threshold value of comparator, be 3 times of the noise voltage of infrared sensor 27, be enough to eliminate The noise, when infrared sensor 27 receives signal, amplifier output voltage has saltus step, and when it was lower than reference voltage, the comparator upset was low level.
The positive input of operational amplifier 2132 connects reference voltage, and backward end links to each other with time-delay charging capacitor 2133, and the length of delay time is regulated by a potentiometer, low at ordinary times in comparator output, diode D1 conducting discharges the electric charge on the electric capacity 2133, and at this moment comparator 2131 reverts to low level.
Optically-controlled signal treatment circuit 22 mainly comprises a triode 222 that is connected with described photo resistance 221; When extraneous light died down, it is big that the resistance of photo resistance 221 becomes, and triode 222 ends, collector electrode output high level, on the contrary during extraneous light grow, the resistance of photo resistance 221 diminishes, triode 222 conductings, collector electrode output low level.
The utility model be applicable to can various circuit by luminous intensity and human body infrared control break-make in; for example illuminating lamp, electric fan, automatically-controlled door, hand washing sink, counter etc. automatically; switch of the present utility model also can be connected to various warning circuits; if when being used for warning circuit; as the saboteur when the protected object; can connect warning circuit, in time produce alarm signal.
Claims (10)
1, a kind of infrared light control switch comprises housing and is assembled in control circuit in the housing; Control circuit comprises: visible light signal treatment circuit, photo resistance and the power circuit of the required operating voltage of each several part is provided;
It is characterized in that:
Control circuit also comprises: infrared sensor, infrared signal processing circuit, logic processing circuit and thyristor gating circuit;
The signal of telecommunication end of described infrared sensor is connected with the input of described infrared signal treatment circuit, the output of infrared signal treatment circuit is connected with an input of described logic processing circuit, and the output of logic processing circuit is connected with the input of described thyristor gating circuit; The output connecting circuit load of thyristor gating circuit;
The input of described visible light signal treatment circuit and output connect the signal of telecommunication end of described photo resistance and an output of described logic processing circuit respectively;
Described infrared sensor receives infrared signal, be converted into the signal of telecommunication, this signal of telecommunication inputs to described logic processing circuit after described infrared signal processing circuit processes, after the logic processing circuit logic is selected, be input to described thyristor gating circuit, produce the triggering signal that is added to load;
The signal of telecommunication that the described photo resistance conversion of another route comes, after the visible light signal treatment circuit receives, handles, also input to logic processing circuit, after the logic of logic processing circuit is selected, be input to thyristor gating circuit equally, produce the triggering signal that is added to load.
2, infrared light control switch according to claim 1 is characterized in that: described infrared signal treatment circuit is compared delay circuit and is formed by an input circuit, an amplifying circuit and; The input of amplifying circuit and output connect described input circuit and comparison delay circuit respectively, and the output of the input of input circuit and comparison delay circuit connects described infrared sensor and described logic processing circuit respectively.
3, infrared light control switch according to claim 2 is characterized in that: in the described infrared signal treatment circuit: input circuit is a low pass filter of being made up of resistance, electric capacity; Described amplifying circuit comprises two operational amplifiers, and its centre frequency is 1Hz; Described relatively delay circuit mainly comprises two operational amplifiers, one of them is device as a comparison, be used to differentiate the change in voltage of pre-amplifier output, another operational amplifier gives the regular hour time-delay as the time-delay monostable to the triggering upset of signal each time.
4, infrared light control switch according to claim 1 is characterized in that: described visible light signal treatment circuit mainly comprises a triode that is connected with described photo resistance; The change in resistance of photo resistance is depended in end and the conducting of triode.
5, infrared light control switch according to claim 1 is characterized in that: described logic processing circuit is a positive logic AND circuit, mainly comprises diode, resistance and two switches; Described two switches are connected with the output of described relatively delay circuit and described optical signal processing circuit respectively;
When respective switch disconnects, be equivalent to this AND circuit input termination high level, the output signal of signal processing circuit is not carried out logical operation; When respective switch was closed, the output signal of signal processing circuit was carried out logical operation as the input signal of AND circuit to this signal.
6, infrared light control switch according to claim 1 is characterized in that: described thyristor gating circuit mainly comprises a triode and a bidirectional triode thyristor;
The base stage of triode connects described logic processing circuit, and its emitter-base bandgap grading connects the control utmost point of described bidirectional triode thyristor, the minus earth of bidirectional triode thyristor.
7, infrared light control switch according to claim 1 is characterized in that: described housing comprise a base, be articulated in lower cover on the base, one and the loam cake and that covers of lower cover be installed in the lens of tops.
8, infrared light control switch according to claim 7 is characterized in that: the bottom of described lower cover is connected with a universal joint that is spherical shape; Described base top is provided with a circular hole that is slightly smaller than described ball diameter, so that described universal joint can be pressed in the circular hole of base, and can rotate in circular hole;
9, infrared light control switch according to claim 7 is characterized in that: described lower cover and the mode of covering of loam cake are taked the combination that engages;
10, according to claim 7 or 8 or 9 described infrared light control switches, it is characterized in that: described lens can take to engage mode with the combination of loam cake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95228718 CN2247897Y (en) | 1995-12-15 | 1995-12-15 | infrared light controlled switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95228718 CN2247897Y (en) | 1995-12-15 | 1995-12-15 | infrared light controlled switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2247897Y true CN2247897Y (en) | 1997-02-19 |
Family
ID=33874192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95228718 Expired - Fee Related CN2247897Y (en) | 1995-12-15 | 1995-12-15 | infrared light controlled switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2247897Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006102832A1 (en) * | 2005-03-29 | 2006-10-05 | Huawei Technologies Co., Ltd. | Multimedia terminal and method of converting the operating state of multimedia terminal |
| CN101893723B (en) * | 2009-06-30 | 2012-11-07 | 上海科勒电子科技有限公司 | Automatic induction method |
| CN105743471A (en) * | 2016-02-03 | 2016-07-06 | 常州市武进永恒电器有限公司 | Photoelectric switch with time delay function |
| CN108882447A (en) * | 2018-06-25 | 2018-11-23 | 珠海市恒裕英发科技有限公司 | A kind of light-operated circuit |
-
1995
- 1995-12-15 CN CN 95228718 patent/CN2247897Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006102832A1 (en) * | 2005-03-29 | 2006-10-05 | Huawei Technologies Co., Ltd. | Multimedia terminal and method of converting the operating state of multimedia terminal |
| AU2006228886B2 (en) * | 2005-03-29 | 2010-04-22 | Huawei Technologies Co., Ltd. | Multimedia terminal and method of converting the operating state of multimedia terminal |
| CN101893723B (en) * | 2009-06-30 | 2012-11-07 | 上海科勒电子科技有限公司 | Automatic induction method |
| CN105743471A (en) * | 2016-02-03 | 2016-07-06 | 常州市武进永恒电器有限公司 | Photoelectric switch with time delay function |
| CN105743471B (en) * | 2016-02-03 | 2018-07-13 | 常州市武进永恒电器有限公司 | Optoelectronic switch with delay function |
| CN108882447A (en) * | 2018-06-25 | 2018-11-23 | 珠海市恒裕英发科技有限公司 | A kind of light-operated circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |