CN205591673U - Lock state reminding device - Google Patents
Lock state reminding device Download PDFInfo
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- CN205591673U CN205591673U CN201620055685.4U CN201620055685U CN205591673U CN 205591673 U CN205591673 U CN 205591673U CN 201620055685 U CN201620055685 U CN 201620055685U CN 205591673 U CN205591673 U CN 205591673U
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- infrared
- nand gate
- latch
- tube
- resistance
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- 210000000056 organ Anatomy 0.000 abstract 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Abstract
The utility model relates to a lock state reminding device belongs to the automatic control engineering field. The utility model discloses reflective photoelectric switch module, infrared photoelectric sensor module and control circuit, control circuit includes latch, combinational logic circuit, reset switch K1, bee calling organ, reflective photoelectric switch module, infrared photoelectric sensor module, latch, bee calling organ all link to each other with combinational logic circuit, and reset switch K1 links to each other with the latch. The utility model discloses a solve people because real -time supervision can in time automatically be carried out to the lock to carelessness and fail in time to lock a door and the loss of property problem brought when passing in and out, when people need the family of a general to be left unlocked or unlatched, the accessible reset switch is closed bee calling organ and is pointed out.
Description
Technical field
This utility model relates to a kind of door-lock state reminding device, belongs to automatic control technology field.
Background technology
In daily life, during people's inlet/outlet, often can fail to lock a door in time because of carelessness, and make some lawless persons have an opportunity to take advantage of, so that the property safety of people and personal safety also exist certain potential safety hazard.By the monitoring of door lock state is reminded, can effectively prevent the generation of this type of event, improve the safety and reliability of door lock.
Summary of the invention
The technical problems to be solved in the utility model is: this utility model provides a kind of door-lock state reminding device, above doorframe and in door lock button hole, it is respectively mounted the reflective infrared photoelectric with control circuit switch and infrared tube module, by control circuit timely automated door lock state is monitored in real time, the property loss solving to fail to lock a door in time due to carelessness during people's inlet/outlet and bring, and when people need to be left unlocked or unlatched door, buzzer can be closed by reset switch and point out.
Technical solutions of the utility model are: a kind of door-lock state reminding device, including reflective infrared photoelectric switch 1, infrared tube module 2 and control circuit；Control circuit includes latch 3, combinational logic circuit 4, reset switch K1, buzzer 5；Described reflective infrared photoelectric switch 1, infrared tube module 2, latch 3, buzzer 5 are all connected with combinational logic circuit 4, and reset switch K1 is connected with latch 3.
Described reflective infrared photoelectric switch 1 is arranged on the top of doorframe, and infrared tube module 2 is arranged in doorframe lock button hole.The signal of reflective infrared photoelectric switch 1 and infrared tube module 2 output outputs signal to latch 3 through combinational logic circuit 4, latch 3 exports corresponding control signal to buzzer 5 through combinational logic circuit 4 after judging again, thus controls buzzer 5 sounding；
Described reflective infrared photoelectric switch 1 includes resistance R1, R2, infrared transmitting tube V1, infrared receiving tube T1；The anode of infrared transmitting tube V1, the colelctor electrode of infrared receiving tube T1 are all connected with power Vcc, and the negative electrode of infrared transmitting tube V1 is connected with earth terminal by resistance R1 again, and the emitter stage of infrared receiving tube T1 is connected with earth terminal by resistance R2 again.
Described infrared tube module 2 includes resistance R3, R4, R5, infrared transmitting tube V2, infrared receiving tube T2；Power Vcc is connected by the anode of resistance R3 and infrared transmitting tube V2, and the negative electrode of infrared transmitting tube V2 passes through resistance R4 ground connection, and the colelctor electrode of infrared receiving tube T2 is connected with power Vcc by after resistance R5, the grounded emitter of infrared receiving tube T2.
Described combinational logic circuit 4 includes NAND gate N1, N2, N3, N4, N5；Two inputs of described NAND gate N1 are connected with reflective infrared photoelectric switch 1, the outfan of infrared tube module 2 respectively, one input of NAND gate N2 is connected with the outfan of reflective infrared photoelectric switch 1, and another input is connected with NAND gate N1 outfan；The outfan of NAND gate N2 is connected with the input of NAND gate N3, and the outfan of NAND gate N3 is connected with the reset terminal R of latch 3 and an input of NAND gate N4 simultaneously, and another input of NAND gate N4 is held with the outfan Q ' of latch 3 and is connected；One end of set end S and the reset switch K1 of latch 3 is connected, the other end ground connection of reset switch K1, and the outfan of NAND gate N4 is connected with the input of NAND gate N5；The outfan of NAND gate N5 is connected by the base stage of resistance R6 and audion VT1, and the colelctor electrode of audion VT1 is sequentially connected with buzzer 5 and resistance R7.
Reflective infrared photoelectric switch 1 employing ST188 reflective infrared photoelectric sensor.
Operation principle of the present utility model is:
When door opens wide, the infrared receiving tube T1 being arranged on the switch of the reflective infrared photoelectric above doorframe 1 does not receives the signal that infrared transmitting tube V1 sends, and reflective infrared photoelectric switchs 1 output low level signal；The infrared receiving tube T2 of the infrared tube module 2 being arranged in doorframe lock button hole receives the signal that infrared transmitting tube V2 sends, infrared tube module 2 output low level signal, by combinational logic circuit 4 output low level signal to latch 3, latch 3 exports high level signal to combinational logic circuit 4 after judging, combinational logic circuit 4 output low level signal is to buzzer 5, buzzer 5 not sounding；
When on door lock, it is arranged on the reflection by door leaf of the signal that sends of infrared transmitting tube V1 of reflective infrared photoelectric switch 1 above doorframe, makes infrared receiving tube T1 receive signal, reflective infrared photoelectric switch 1 output high level signal；The signal that the infrared transmitting tube V2 of the infrared tube module 2 being arranged in doorframe lock button hole sends is blocked by dead bolt, and infrared receiving tube T2 does not receives the signal that infrared transmitting tube V2 sends, and infrared tube module 2 exports high level signal；Through combinational logic circuit 4 output low level signal to latch 3, output high level signal is to combinational logic circuit 4 after judging for latch 3, and combinational logic circuit 4 output low level signal is to buzzer 5, buzzer 5 not sounding；
When door is left unlocked or unlatched, it is arranged on the reflection by door leaf of the signal that sends of infrared transmitting tube V1 of reflective infrared photoelectric switch 1 above doorframe, makes infrared receiving tube T1 receive signal, reflective infrared photoelectric switch 1 output high level signal；The infrared receiving tube T2 of the infrared tube module 2 being arranged in doorframe lock button hole receives the signal that infrared transmitting tube V2 sends, infrared tube module 2 output low level signal, high level signal be exported to the reset terminal R of latch 3 after NAND gate N3 of combinational logic circuit 4, the S end input of latch 3 is high level signal, latch 3 keeps Last status, output high level signal is to the input of combinational logic circuit 4 NAND gate N4, the outfan output low level signal of NAND gate N4 exports high level signal to buzzer 5 after NAND gate N5 overturns, buzzer 5 sounding；When people need deliberately to be left unlocked or unlatched by door, press reset switch K1, the set end S of latch 3 is low level signal, the reset terminal R of latch 3 is high level signal, latch 3 set output low level signal is to the input of combinational logic circuit 4 NAND gate N4, the outfan output high level signal of NAND gate N4 exports output low level signal to buzzer 5, buzzer 5 not sounding after NAND gate N5 overturns；People open circuit behind the door and automatically reset to monitoring state.
The beneficial effects of the utility model: when this utility model can fail to lock a door in time due to carelessness when people's inlet/outlet, locked a door in time by the sounding reminding people of buzzer, the accident causing stolen property to prevent people from walking non-locking door occurs, and when people need deliberately to be left unlocked or unlatched by door, the prompting of buzzer can be closed by reset switch, upper after once door is opened circuit automatically reset and return to monitoring state, simple in construction, easy to operate.
Accompanying drawing explanation
Fig. 1 is this utility model circuit theory diagrams.
Each label in Fig. 1: 1-reflective infrared photoelectric switchs, 2-infrared tube module, 3-latch, 4-combinational logic circuit, 5-buzzer, V1 ~ V2-infrared transmitting tube, T1 ~ T2-infrared receiving tube, VT1-audion, K1-reset switch, N1 ~ N5-NAND gate, R1 ~ R7-resistance.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is described in further detail.
Embodiment 1: as it is shown in figure 1, a kind of door-lock state reminding device, including reflective infrared photoelectric switch 1, infrared tube module 2 and control circuit；Control circuit includes latch 3, combinational logic circuit 4, reset switch K1, buzzer 5；Described reflective infrared photoelectric switch 1, infrared tube module 2, latch 3, buzzer 5 are all connected with combinational logic circuit 4, and reset switch K1 is connected with latch 3.
Embodiment 2: as it is shown in figure 1, a kind of door-lock state reminding device, including reflective infrared photoelectric switch 1, infrared tube module 2 and control circuit；Control circuit includes latch 3, combinational logic circuit 4, reset switch K1, buzzer 5；Described reflective infrared photoelectric switch 1, infrared tube module 2, latch 3, buzzer 5 are all connected with combinational logic circuit 4, and reset switch K1 is connected with latch 3.
Described reflective infrared photoelectric switch 1 is arranged on the top of doorframe, and infrared tube module 2 is arranged in doorframe lock button hole.The signal of reflective infrared photoelectric switch 1 and infrared tube module 2 output outputs signal to latch 3 through combinational logic circuit 4, latch 3 exports corresponding control signal to buzzer 5 through combinational logic circuit 4 after judging again, thus controls buzzer 5 sounding.
Embodiment 3: as it is shown in figure 1, a kind of door-lock state reminding device, including reflective infrared photoelectric switch 1, infrared tube module 2 and control circuit；Control circuit includes latch 3, combinational logic circuit 4, reset switch K1, buzzer 5；Described reflective infrared photoelectric switch 1, infrared tube module 2, latch 3, buzzer 5 are all connected with combinational logic circuit 4, and reset switch K1 is connected with latch 3.
Described reflective infrared photoelectric switch 1 is arranged on the top of doorframe, and infrared tube module 2 is arranged in doorframe lock button hole.The signal of reflective infrared photoelectric switch 1 and infrared tube module 2 output outputs signal to latch 3 through combinational logic circuit 4, latch 3 exports corresponding control signal to buzzer 5 through combinational logic circuit 4 after judging again, thus controls buzzer 5 sounding.
Described reflective infrared photoelectric switch 1 includes resistance R1, R2, infrared transmitting tube V1, infrared receiving tube T1；The anode of infrared transmitting tube V1, the colelctor electrode of infrared receiving tube T1 are all connected with power Vcc, and the negative electrode of infrared transmitting tube V1 is connected with earth terminal by resistance R1 again, and the emitter stage of infrared receiving tube T1 is connected with earth terminal by resistance R2 again.
Embodiment 4: as it is shown in figure 1, a kind of door-lock state reminding device, including reflective infrared photoelectric switch 1, infrared tube module 2 and control circuit；Control circuit includes latch 3, combinational logic circuit 4, reset switch K1, buzzer 5；Described reflective infrared photoelectric switch 1, infrared tube module 2, latch 3, buzzer 5 are all connected with combinational logic circuit 4, and reset switch K1 is connected with latch 3.
Described reflective infrared photoelectric switch 1 is arranged on the top of doorframe, and infrared tube module 2 is arranged in doorframe lock button hole.The signal of reflective infrared photoelectric switch 1 and infrared tube module 2 output outputs signal to latch 3 through combinational logic circuit 4, latch 3 exports corresponding control signal to buzzer 5 through combinational logic circuit 4 after judging again, thus controls buzzer 5 sounding.
Described reflective infrared photoelectric switch 1 includes resistance R1, R2, infrared transmitting tube V1, infrared receiving tube T1；The anode of infrared transmitting tube V1, the colelctor electrode of infrared receiving tube T1 are all connected with power Vcc, and the negative electrode of infrared transmitting tube V1 is connected with earth terminal by resistance R1 again, and the emitter stage of infrared receiving tube T1 is connected with earth terminal by resistance R2 again.
Described infrared tube module 2 includes resistance R3, R4, R5, infrared transmitting tube V2, infrared receiving tube T2；Power Vcc is connected by the anode of resistance R3 and infrared transmitting tube V2, and the negative electrode of infrared transmitting tube V2 passes through resistance R4 ground connection, and the colelctor electrode of infrared receiving tube T2 is connected with power Vcc by after resistance R5, the grounded emitter of infrared receiving tube T2.
Embodiment 5: as it is shown in figure 1, a kind of door-lock state reminding device, including reflective infrared photoelectric switch 1, infrared tube module 2 and control circuit；Control circuit includes latch 3, combinational logic circuit 4, reset switch K1, buzzer 5；Described reflective infrared photoelectric switch 1, infrared tube module 2, latch 3, buzzer 5 are all connected with combinational logic circuit 4, and reset switch K1 is connected with latch 3.
Described reflective infrared photoelectric switch 1 is arranged on the top of doorframe, and infrared tube module 2 is arranged in doorframe lock button hole.The signal of reflective infrared photoelectric switch 1 and infrared tube module 2 output outputs signal to latch 3 through combinational logic circuit 4, latch 3 exports corresponding control signal to buzzer 5 through combinational logic circuit 4 after judging again, thus controls buzzer 5 sounding.
Described reflective infrared photoelectric switch 1 includes resistance R1, R2, infrared transmitting tube V1, infrared receiving tube T1；The anode of infrared transmitting tube V1, the colelctor electrode of infrared receiving tube T1 are all connected with power Vcc, and the negative electrode of infrared transmitting tube V1 is connected with earth terminal by resistance R1 again, and the emitter stage of infrared receiving tube T1 is connected with earth terminal by resistance R2 again.
Described infrared tube module 2 includes resistance R3, R4, R5, infrared transmitting tube V2, infrared receiving tube T2；Power Vcc is connected by the anode of resistance R3 and infrared transmitting tube V2, and the negative electrode of infrared transmitting tube V2 passes through resistance R4 ground connection, and the colelctor electrode of infrared receiving tube T2 is connected with power Vcc by after resistance R5, the grounded emitter of infrared receiving tube T2.
Described combinational logic circuit 4 includes NAND gate N1, N2, N3, N4, N5；Two inputs of described NAND gate N1 are connected with reflective infrared photoelectric switch 1, the outfan of infrared tube module 2 respectively, one input of NAND gate N2 is connected with the outfan of reflective infrared photoelectric switch 1, and another input is connected with NAND gate N1 outfan；The outfan of NAND gate N2 is connected with the input of NAND gate N3, and the outfan of NAND gate N3 is connected with the reset terminal R of latch 3 and an input of NAND gate N4 simultaneously, and another input of NAND gate N4 is held with the outfan Q ' of latch 3 and is connected；One end of set end S and the reset switch K1 of latch 3 is connected, the other end ground connection of reset switch K1, and the outfan of NAND gate N4 is connected with the input of NAND gate N5；The outfan of NAND gate N5 is connected by the base stage of resistance R6 and audion VT1, and the colelctor electrode of audion VT1 is sequentially connected with buzzer 5 and resistance R7.
Embodiment 6: as it is shown in figure 1, a kind of door-lock state reminding device, including reflective infrared photoelectric switch 1, infrared tube module 2 and control circuit；Control circuit includes latch 3, combinational logic circuit 4, reset switch K1, buzzer 5；Described reflective infrared photoelectric switch 1, infrared tube module 2, latch 3, buzzer 5 are all connected with combinational logic circuit 4, and reset switch K1 is connected with latch 3.
Described reflective infrared photoelectric switch 1 is arranged on the top of doorframe, and infrared tube module 2 is arranged in doorframe lock button hole.The signal of reflective infrared photoelectric switch 1 and infrared tube module 2 output outputs signal to latch 3 through combinational logic circuit 4, latch 3 exports corresponding control signal to buzzer 5 through combinational logic circuit 4 after judging again, thus controls buzzer 5 sounding.
Described reflective infrared photoelectric switch 1 includes resistance R1, R2, infrared transmitting tube V1, infrared receiving tube T1；The anode of infrared transmitting tube V1, the colelctor electrode of infrared receiving tube T1 are all connected with power Vcc, and the negative electrode of infrared transmitting tube V1 is connected with earth terminal by resistance R1 again, and the emitter stage of infrared receiving tube T1 is connected with earth terminal by resistance R2 again.
Described infrared tube module 2 includes resistance R3, R4, R5, infrared transmitting tube V2, infrared receiving tube T2；Power Vcc is connected by the anode of resistance R3 and infrared transmitting tube V2, and the negative electrode of infrared transmitting tube V2 passes through resistance R4 ground connection, and the colelctor electrode of infrared receiving tube T2 is connected with power Vcc by after resistance R5, the grounded emitter of infrared receiving tube T2.
Described combinational logic circuit 4 includes NAND gate N1, N2, N3, N4, N5；Two inputs of described NAND gate N1 are connected with reflective infrared photoelectric switch 1, the outfan of infrared tube module 2 respectively, one input of NAND gate N2 is connected with the outfan of reflective infrared photoelectric switch 1, and another input is connected with NAND gate N1 outfan；The outfan of NAND gate N2 is connected with the input of NAND gate N3, and the outfan of NAND gate N3 is connected with the reset terminal R of latch 3 and an input of NAND gate N4 simultaneously, and another input of NAND gate N4 is held with the outfan Q ' of latch 3 and is connected；One end of set end S and the reset switch K1 of latch 3 is connected, the other end ground connection of reset switch K1, and the outfan of NAND gate N4 is connected with the input of NAND gate N5；The outfan of NAND gate N5 is connected by the base stage of resistance R6 and audion VT1, and the colelctor electrode of audion VT1 is sequentially connected with buzzer 5 and resistance R7.
Reflective infrared photoelectric switch 1 employing ST188 reflective infrared photoelectric sensor.
Above in conjunction with accompanying drawing, specific embodiment of the utility model is explained in detail, but this utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible on the premise of without departing from this utility model objective, various changes can be made.
Claims (6)
1. a door-lock state reminding device, it is characterised in that: include reflective infrared photoelectric switch (1), infrared tube module (2) and control circuit；Control circuit includes latch (3), combinational logic circuit (4), reset switch K1, buzzer (5)；Described reflective infrared photoelectric switch (1), infrared tube module (2), latch (3), buzzer (5) are all connected with combinational logic circuit (4), and reset switch K1 is connected with latch (3).
Door-lock state reminding device the most according to claim 1, it is characterised in that: described reflective infrared photoelectric switch (1) is arranged on the top of doorframe, and infrared tube module (2) is arranged in doorframe lock button hole.
Door-lock state reminding device the most according to claim 1, it is characterised in that: described reflective infrared photoelectric switch (1) includes resistance R1, R2, infrared transmitting tube V1, infrared receiving tube T1；The anode of infrared transmitting tube V1, the colelctor electrode of infrared receiving tube T1 are all connected with power Vcc, and the negative electrode of infrared transmitting tube V1 is connected with earth terminal by resistance R1 again, and the emitter stage of infrared receiving tube T1 is connected with earth terminal by resistance R2 again.
Door-lock state reminding device the most according to claim 1, it is characterised in that: described infrared tube module (2) includes resistance R3, R4, R5, infrared transmitting tube V2, infrared receiving tube T2；Power Vcc is connected by the anode of resistance R3 and infrared transmitting tube V2, and the negative electrode of infrared transmitting tube V2 passes through resistance R4 ground connection, and the colelctor electrode of infrared receiving tube T2 is connected with power Vcc by after resistance R5, the grounded emitter of infrared receiving tube T2.
Door-lock state reminding device the most according to claim 1, it is characterised in that: described combinational logic circuit (4) includes NAND gate N1, N2, N3, N4, N5；Two inputs of described NAND gate N1 are connected with reflective infrared photoelectric switch (1), the outfan of infrared tube module (2) respectively, one input of NAND gate N2 is connected with the outfan of reflective infrared photoelectric switch (1), and another input is connected with NAND gate N1 outfan；The outfan of NAND gate N2 is connected with the input of NAND gate N3, and the outfan of NAND gate N3 is connected with the reset terminal R of latch (3) and an input of NAND gate N4 simultaneously, and another input of NAND gate N4 is held with the outfan Q ' of latch (3) and is connected；One end of set end S and the reset switch K1 of latch (3) is connected, the other end ground connection of reset switch K1, and the outfan of NAND gate N4 is connected with the input of NAND gate N5；The outfan of NAND gate N5 is connected by the base stage of resistance R6 and audion VT1, and the colelctor electrode of audion VT1 is sequentially connected with buzzer (5) and resistance R7.
Door-lock state reminding device the most according to claim 3, it is characterised in that: reflective infrared photoelectric switch (1) uses ST188 reflective infrared photoelectric sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620055685.4U CN205591673U (en) | 2016-01-21 | 2016-01-21 | Lock state reminding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620055685.4U CN205591673U (en) | 2016-01-21 | 2016-01-21 | Lock state reminding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205591673U true CN205591673U (en) | 2016-09-21 |
Family
ID=56928308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620055685.4U Expired - Fee Related CN205591673U (en) | 2016-01-21 | 2016-01-21 | Lock state reminding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205591673U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106530595A (en) * | 2016-10-21 | 2017-03-22 | 昆明理工大学 | Embedded system for student community management |
| CN107481377A (en) * | 2017-08-23 | 2017-12-15 | 东南大学 | A kind of visual intelligent lock system based on radio communication |
| CN110065472A (en) * | 2019-05-22 | 2019-07-30 | 昆明理工大学津桥学院 | Automobile damage preventing alarm circuit |
| CN110080616A (en) * | 2019-05-08 | 2019-08-02 | 重庆鸣洋科技股份有限公司 | A kind of door lock state monitoring system |
-
2016
- 2016-01-21 CN CN201620055685.4U patent/CN205591673U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106530595A (en) * | 2016-10-21 | 2017-03-22 | 昆明理工大学 | Embedded system for student community management |
| CN107481377A (en) * | 2017-08-23 | 2017-12-15 | 东南大学 | A kind of visual intelligent lock system based on radio communication |
| CN110080616A (en) * | 2019-05-08 | 2019-08-02 | 重庆鸣洋科技股份有限公司 | A kind of door lock state monitoring system |
| CN110065472A (en) * | 2019-05-22 | 2019-07-30 | 昆明理工大学津桥学院 | Automobile damage preventing alarm circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20180121 |