CN2582490Y - Letter box with mail-notifying device - Google Patents
Letter box with mail-notifying device Download PDFInfo
- Publication number
- CN2582490Y CN2582490Y CN 02261282 CN02261282U CN2582490Y CN 2582490 Y CN2582490 Y CN 2582490Y CN 02261282 CN02261282 CN 02261282 CN 02261282 U CN02261282 U CN 02261282U CN 2582490 Y CN2582490 Y CN 2582490Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- mailbox
- infrared
- infrared sensing
- signal display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Supports Or Holders For Household Use (AREA)
Abstract
The utility model relates to a letter box with a mail-notifying device, which comprises at least a unit mail box and a mail box shell (10). An infrared sensing circuit and a detection amplifying circuit of an infrared emission head (8) and an infrared receiving head (9) are arranged in the mail box shell, wherein, the detection amplifying circuit adopts a phase locked loop decoding circuit. An input terminal and an output terminal of the infrared sensing circuit are respectively connected with the phase locked loop decoding circuit through leading wires. The infrared emission head (8) and the infrared receiving head (9) are respectively connected in the infrared sensing circuit on a sandwich layer 4 on the top of the box body or a bottom sandwich layer 3 through leading wires thereof. The phase locked loop decoding circuit is connected with a bus (11). Furthermore, the utility model divides signal display circuits in corresponding users' display boxes (12) connected with leading wires corresponding circuit numbers of the unit mail box. The place between the infrared sensing circuit and the signal display circuit can also be connected with a stepwise control circuit. The utility model has the advantages of low cost, simple structure and strong practicability. The utility model is particularly suitable for high-rise residences and office buildings.
Description
Technical field
The utility model relates to the mailbox that sensor detecting is used, and especially relates to a kind of mailbox that is provided with the mail informing device.
Technical background
Whether there is mail generally need open mailbox in the mailbox and knows behind the door, make troubles to the user.For this reason, Granted publication day is on January 16th, 2002, Granted publication number to disclose " mailbox letter suggestion device " for the Chinese utility model patent of CN2471253Y, it has solved the problems referred to above, infrared emission, the reception head of a kind of mailbox letter suggestion device by mouthful upper and lower both sides of sending a letter proposed, gate controlled switch, prompting are formed with light emitting diode and control circuit board, be connected to prompting light emitting diode and gate controlled switch in the logic level control controllable silicon loop of infrared received signal output after frequency-selecting is amplified, this device is provided with the D.C. regulated power supply of mailbox outside; It has overcome the awkward shortcoming of surface mail case, has the letter prompting and does not promptly and accurately have the remarkable advantage of failing to report and being fit to concentrate the mailbox use.Even so, for user away from mailbox, wonder and have or not mail in the mailbox, must go in face of the mailbox, still make troubles for the user, especially for being in high-rise office building or the user on the residential building, actual difficulty still fails to solve, leave no choice but downstairs go in face of the mailbox, can know just whether unit or family have letters; Sometimes work often occurs and act hurriedly in a messy situation, in time do not watch mailbox or open mailbox and watch, cause some important mails in time not know, affect business opportunity or family matters adversely.
Summary of the invention
The utility model purpose is at the prior art present situation, provides cost low, simple in structure, practical, so that the user just knows in the mailbox away from the family door letterless a kind of mailbox that is provided with the mail informing device is arranged indoors.
In order to reach described purpose, technical solution adopted in the utility model is, a kind of mailbox that is provided with the mail informing device is provided, comprise: comprise the mailbox housing that has a unit mailbox at least, this mailbox front, unit is provided with mailbox door and mail delivery mouth, be provided with infrared sensing circuit in this mailbox housing, detect amplifying circuit, described infrared sensing circuit comprises and is arranged on the unit mailbox casing top, the corresponding infrared emission head in the both sides of going to the bottom and infrared receiving terminal that its technical scheme of taking also comprises:
A. described detection amplifying circuit is the phaselocked loop decoding circuit, form by center integrated circuit integrated operational amplifier circuit and phaselocked loop audio decoder, be made into circuit board with described infrared sensing circuit and D.C. regulated power supply together is placed in casing top interlayer or the bottom interlayer;
B. described infrared sensing circuit input is connected to the phaselocked loop decoding circuit through a lead-in wire, and its output picks out to described phaselocked loop decoding circuit through a lead-in wire;
C. described infrared emission head and infrared receiving terminal lead-in wire separately are arranged in described casing top interlayer or bottom interlayer infrared sensing circuit through there being wiring channel to be connected to;
D. described phaselocked loop decoding circuit has picked out a bus, tell with the lead-in wire of the corresponding way of described unit mailbox again and be connected to signal display circuit in each self-corresponding user's display box, the light emitting diode lamp of informing in this signal display circuit is arranged on described user's display box front.
For optimizing such scheme, the technical scheme of taking also comprises:
Above-mentioned signal display circuit includes second triode, its base stage inserts phaselocked loop decoding circuit output as input, its colelctor electrode connects positive source through informing that light emitting diode lamp is connected behind another resistance, and its emitter stage connects infrared-emitting diode and the infrared receiving diode contact in the infrared sensing circuit.
Be connected to the step-by-step movement control circuit between above-mentioned infrared sensing circuit and the signal display circuit, this step-by-step movement control circuit places described casing top interlayer or bottom interlayer, its center part is made up of integrated circuit CD4017 and CD4060, the corresponding output correspondence of described integrated circuit CD4017 connects corresponding the 4th transistor base through a resistance, this transistor collector one tunnel connects correspondence second transistor emitter in the described signal display circuit, another road connects infrared emission head in the corresponding infrared sensing circuit and the contact between the infrared receiving terminal, the emitter stage one tunnel of this triode meets described integrated circuit CD4060 through a resistance, another road ground connection; Described integrated circuit CD4017 and CD4060 respectively have a power interface, join with positive source.
The bus that above-mentioned phaselocked loop decoding circuit picks out, tell with the lead-in wire of the corresponding way of described unit mailbox again and be connected to signal display circuit in each self-corresponding subscriber unit mailbox, the light emitting diode lamp of informing in this signal display circuit is arranged on the described subscriber unit mailbox front.
The low tilted shape in high back before being at the bottom of above-mentioned mailbox case top, the unit case; Top, mailbox case top, described unit is a soft material.
Above-mentioned signal display circuit includes the 3rd triode, its base stage inserts phaselocked loop decoding circuit output as input, its colelctor electrode connects positive source through informing that light emitting diode lamp is connected behind another resistance, and its emitter stage connects infrared-emitting diode and the infrared receiving diode contact in the infrared sensing circuit.
Compared with prior art, advantage of the present utility model is:
1. simple in structure, in conjunction with the infrared ray sensing principle, be made with existing ripe electronic devices and components, operating voltage is low, and electric current is little, and power consumption is little, and is highly sensitive, and antijamming capability is strong, and is with low cost;
2. this mailbox is practical, and is widely applicable, is particularly useful for sub-district high-rise residential building and office building, solved to leave no choice but downstairs go in face of the mailbox, can know just whether unit or family have the deficiency of letters;
3. the set mail informing device layout exquisiteness of this mailbox is easy to realize, property performance period Advise of Availability letter; The informing device volume at user place is little, can arbitrarily be provided with by the user.
Description of drawings
Fig. 1 is overall signal and the body partial longitudinal sectional view of the utility model embodiment;
Fig. 2 is the circuit block diagram of the utility model embodiment;
Fig. 3 is the circuit theory diagrams of the utility model embodiment.
The specific embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.Shown in Fig. 1,2,3, a kind of mailbox that is provided with the mail informing device, comprise: comprise the mailbox housing 10 that has a unit mailbox at least, this mailbox front, unit is provided with mailbox door and mail delivery mouth 1, mailbox door has case lock 2, be provided with infrared sensing circuit in this mailbox housing 10, detect amplifying circuit, described infrared sensing circuit comprises and is arranged on the unit mailbox casing top, the corresponding infrared emission head 8 in the both sides of going to the bottom and infrared receiving terminal 9 that its technical scheme of taking also comprises:
Detecting amplifying circuit is the phaselocked loop decoding circuit, form by center integrated circuit integrated operational amplifier circuit IC1 and phaselocked loop audio decoder IC2, be made into circuit board with described infrared sensing circuit and D.C. regulated power supply together is placed in casing top interlayer or the bottom interlayer;
The infrared sensing circuit input is connected to the phaselocked loop decoding circuit through a lead-in wire, and its output picks out to described phaselocked loop decoding circuit through a lead-in wire;
Infrared emission head and infrared receiving terminal lead-in wire separately is arranged in described casing top interlayer 4 or bottom interlayer 3 infrared sensing circuits through there being wiring channel to be connected to;
The phaselocked loop decoding circuit has picked out a bus, tell with the lead-in wire of the corresponding way of described unit mailbox again and be connected to signal display circuit in each self-corresponding user's display box, the light emitting diode lamp 13 of informing in this signal display circuit is arranged on described user's display box front.
Above-mentioned integrated operational amplifier circuit IC1 pin 2 one tunnel connects pin 6 through resistance R 5, and another road connects capacitor C 1 through resistance R 4 and connects the infrared-emitting diode VD2 in the infrared sensing circuit and the contact of resistance R 3; Pin 3 connects phaselocked loop audio decoder IC2 pin 6, pin 1, pin 2 through capacitor C 3, C4, C5 respectively, and pin 3 also connects phaselocked loop audio decoder IC2 pin 5 through capacitor C 3 connecting resistance R6; Pin 6 connects phaselocked loop audio decoder IC2 pin 3 through capacitor C 2.
Among the above-mentioned phaselocked loop audio decoder IC2, pin 4 connects positive source, pin 8 meets the second triode VT21 to VT210 and the 3rd triode VT31 to VT310 in the signal display circuit as output one tunnel, another road connects positive source through resistance R 8, and pin 5 connects the base stage of the first triode VT1 in the infrared sensing circuit through resistance R 1.
The emitter stage of the first triode VT1 in the infrared sensing circuit connects positive source, and its colelctor electrode meets infrared receiving diode VD1 through resistance R 2.
For optimizing such scheme, the technical scheme of taking also comprises:
Above-mentioned signal display circuit includes the second triode VT21 to VT210, its base stage inserts phaselocked loop decoding circuit output as input, its colelctor electrode connects positive source through informing that light emitting diode lamp LED1 to LED10 connects behind another resistance, and its emitter stage meets infrared-emitting diode VD1, the VD3 in the infrared sensing circuit ... VD19 and infrared receiving diode VD2, VD4 ... the contact of VD20.
Be connected to the step-by-step movement control circuit between above-mentioned infrared sensing circuit and the signal display circuit, this step-by-step movement control circuit places described casing top interlayer 3 or bottom interlayer 4, its center part is made up of integrated circuit CD4017 and CD4060, the corresponding output correspondence of described integrated circuit CD4017 connects corresponding the 4th triode VT41 to VT410 base stage through a resistance, this transistor collector one tunnel connects the emitter stage of the correspondence second triode VT21 to VT210 in the described signal display circuit, another road meets the infrared-emitting diode VD1 in the corresponding infrared sensing circuit, VD3 ... VD19 and infrared receiving diode VD2, VD4 ... the contact of VD20, the emitter stage one tunnel of this triode VT41 to VT410 connects described integrated circuit CD4060 pin 12, another road ground connection through a resistance R 14; Described integrated circuit CD4017 pin 14 and CD4060 pin 16 connect positive source; Integrated circuit CD4017 pin 8 and CD4060 pin 8 connect power cathode.
Center part integrated circuit CD4017 pin 15 connects positive source through resistance R 15, and integrated circuit CD4060 pin 9, pin 10, pin 11 connect capacitor C parallel with one another 1, resistance 17 and resistance 16 respectively.
The bus 11 that above-mentioned phaselocked loop decoding circuit picks out, tell with the lead-in wire of the corresponding way of described unit mailbox again and be connected to signal display circuit in each self-corresponding subscriber unit mailbox, the light emitting diode lamp of informing in this signal display circuit is arranged on the described subscriber unit mailbox front.
The low tilted shape in high back before being at the bottom of above-mentioned mailbox case top, the unit case; Top, mailbox case top, described unit is a soft material.
Above-mentioned signal display circuit includes the 3rd triode, its base stage inserts phaselocked loop decoding circuit output as input, its colelctor electrode connects positive source through informing that light emitting diode lamp is connected behind another resistance, and its emitter stage connects infrared-emitting diode and the infrared receiving diode contact in the infrared sensing circuit.
This mail informing device is work like this:
When not having mail to insert to send a letter mouthful 1, mail does not shelter from when being arranged on the unit mailbox casing light path between top, the corresponding infrared emission head 8 in the both sides of going to the bottom and the infrared receiving terminal 9, and the mail informing device is in the state of not informing.At this moment, phaselocked loop audio decoder IC2 pin 5 output pulse signals, triode VT1 in infrared sensing circuit amplifies rear drive infrared transmitting tube VD1 emission infrared pulse, infrared receiving tube VD2 converts the infrared pulse that receives to the signal of telecommunication, amplify the signal input part pin 3 of sending into phaselocked loop audio decoder IC2 through integrated operational amplifier circuit IC1 again, phaselocked loop audio decoder IC2 pin 8 output low levels like this, the second triode VT2 in the signal display circuit ends, inform that light emitting diode lamp does not work on each self-corresponding user's display box face, correspondingly the light emitting diode lamp of informing on each self-corresponding subscriber unit mailbox face does not work;
Insert when sending a letter mouthful as mail, mail shelters from when being arranged on the unit mailbox casing light path between top, the corresponding infrared emission head 8 in the both sides of going to the bottom and the infrared receiving terminal 9, and the mail informing device is in the state of informing.At this moment, infrared receiving tube VD2 does not have signal of telecommunication output, phaselocked loop audio decoder IC2 pin 8 is exported high level like this, the second triode VT2 conducting in the signal display circuit, inform that light emitting diode lamp is luminous on each self-corresponding user's display box face, correspondingly inform that light emitting diode lamp is luminous on each self-corresponding subscriber unit mailbox face.
The step-by-step movement control circuit is made up of integrated circuit CD4017 and CD4060, trigger integrated circuit CD4017 by integrated circuit CD4060, make its pin 1 to 7,9 to 110 outputs are exported positive pulse successively, make control power supply switch tube the 4th triode VT41 to the VT410 conducting by turns successively in the step-by-step movement control circuit, infrared sensing circuit and signal display circuit are also taken turns successively and are changed jobs, the purpose of property performance period Advise of Availability letter like this, by adjusting the capacitor C that is in parallel 1 that integrated circuit CD4060 pin 9 to 11 is drawn, one resistance 17, the parameter of another resistance 16 is come the control step time thus.
Though disclosed the utility model in conjunction with an above preferred embodiment; yet it is not in order to limit the utility model; any those skilled in the art are not in breaking away from spirit and scope of the present utility model; can make various changes and rhythm decorations, therefore protection domain of the present utility model should be with being as the criterion that claim was defined.
Claims (7)
1. mailbox that is provided with the mail informing device, comprise: comprise the mailbox housing (10) that has a unit mailbox at least, this mailbox front, unit is provided with mailbox door and mail delivery mouth (1), be provided with infrared sensing circuit in this mailbox housing, detect amplifying circuit, described infrared sensing circuit comprises and is arranged on the unit mailbox casing top, the corresponding infrared emission heads in the both sides of going to the bottom (8) and infrared receiving terminal (9), it is characterized in that:
A. described detection amplifying circuit is the phaselocked loop decoding circuit, form by center integrated circuit integrated operational amplifier circuit (IC1) and phaselocked loop audio decoder (IC2), be made into circuit board with described infrared sensing circuit and D.C. regulated power supply together is placed in casing top interlayer (4) or the bottom interlayer (3);
B. described infrared sensing circuit input is connected to the phaselocked loop decoding circuit through a lead-in wire, and its output picks out to described phaselocked loop decoding circuit through a lead-in wire;
C. described infrared emission head (8) and infrared receiving terminal (9) lead-in wire separately are arranged in described casing top interlayer 4 or bottom interlayer 3 infrared sensing circuits through there being wiring channel 5 to be connected to;
D. described phaselocked loop decoding circuit has picked out a bus (11), tell with the lead-in wire of the corresponding way of described unit mailbox again and be connected to signal display circuit in each self-corresponding user's display box (12), the light emitting diode lamp (13) of informing in this signal display circuit is arranged on described user's display box front.
2. a kind of mailbox according to claim 1 with mail informing device, it is characterized in that: described signal display circuit includes second triode, its base stage inserts phaselocked loop decoding circuit output as input, its colelctor electrode connects positive source through informing that light emitting diode lamp is connected behind another resistance, and its emitter stage connects infrared-emitting diode and the infrared receiving diode contact in the infrared sensing circuit.
3. a kind of mailbox according to claim 1 with mail informing device, it is characterized in that: be connected to the step-by-step movement control circuit between described infrared sensing circuit and the signal display circuit, this step-by-step movement control circuit places described casing top interlayer (4) or bottom interlayer (3), its center part is made up of integrated circuit CD4017 and CD4060, the corresponding output correspondence of described integrated circuit CD4017 connects corresponding the 4th transistor base through a resistance, this transistor collector one tunnel connects correspondence second transistor emitter in the described signal display circuit, another road connects infrared emission head (8) in the corresponding infrared sensing circuit and the contact between the infrared receiving terminal (9), the emitter stage one tunnel of this triode meets described integrated circuit CD4060 through a resistance, another road ground connection; Described integrated circuit CD4017 and CD4060 respectively have a power interface, join with positive source.
4. a kind of mailbox according to claim 2 with mail informing device, it is characterized in that: be connected to the step-by-step movement control circuit between described infrared sensing circuit and the signal display circuit, this step-by-step movement control circuit places described casing top interlayer (4) or bottom interlayer (3), its center part is made up of integrated circuit CD4017 and CD4060, the corresponding output correspondence of described integrated circuit CD4017 connects corresponding the 4th transistor base through a resistance, this transistor collector one tunnel connects correspondence second transistor emitter in the described signal display circuit, another road connects infrared emission head (8) in the corresponding infrared sensing circuit and the contact between the infrared receiving terminal (9), the emitter stage one tunnel of this triode meets described integrated circuit CD4060 through a resistance, another road ground connection; Described integrated circuit CD4017 and CD4060 respectively have a power interface, join with positive source.
5. according to the arbitrary described a kind of mailbox of claim 1 to 4 with mail informing device, it is characterized in that: the bus that described phaselocked loop decoding circuit picks out, tell with the lead-in wire of the corresponding way of described unit mailbox again and be connected to signal display circuit in each self-corresponding subscriber unit mailbox, the light emitting diode lamp of informing in this signal display circuit is arranged on the described subscriber unit mailbox front.
6. according to the arbitrary described a kind of mailbox of claim 1 to 4, it is characterized in that: the low tilted shape in high back before being at the bottom of the case of mailbox case top, described unit with mail informing device; Mailbox case top, top, described unit (6) is a soft material.
7. a kind of mailbox according to claim 5 with mail informing device, it is characterized in that: described signal display circuit includes the 3rd triode, its base stage inserts phaselocked loop decoding circuit output as input, its colelctor electrode connects positive source through informing that light emitting diode lamp is connected behind another resistance, and its emitter stage connects infrared-emitting diode and the infrared receiving diode contact in the infrared sensing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02261282 CN2582490Y (en) | 2002-11-04 | 2002-11-04 | Letter box with mail-notifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02261282 CN2582490Y (en) | 2002-11-04 | 2002-11-04 | Letter box with mail-notifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2582490Y true CN2582490Y (en) | 2003-10-29 |
Family
ID=33728108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02261282 Expired - Fee Related CN2582490Y (en) | 2002-11-04 | 2002-11-04 | Letter box with mail-notifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2582490Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015096136A1 (en) * | 2013-12-26 | 2015-07-02 | 谢虹 | Mail notification device |
| CN105167547A (en) * | 2015-09-08 | 2015-12-23 | 江南大学 | Intelligent mailbox system and control method thereof |
-
2002
- 2002-11-04 CN CN 02261282 patent/CN2582490Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015096136A1 (en) * | 2013-12-26 | 2015-07-02 | 谢虹 | Mail notification device |
| CN105167547A (en) * | 2015-09-08 | 2015-12-23 | 江南大学 | Intelligent mailbox system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1355289A3 (en) | Drive unit of self-luminous device with degradation detection function | |
| CN2582490Y (en) | Letter box with mail-notifying device | |
| CN2758783Y (en) | Ground wire detector and terminal plate for detecting ground wire condition | |
| CN1845651A (en) | Positive feedback abnormal protection circuit | |
| CN200950576Y (en) | Automatic gain control circuit | |
| CN109644535A (en) | A kind of automatic clamping light compensating lamp and its light-operated vibration prevention control circuit | |
| CN205844812U (en) | Fountain landscape control system | |
| TW201310231A (en) | Hard disk drive indication light circuit | |
| CN1185867C (en) | Remote controller | |
| CN200959096Y (en) | Automatic water-level controller | |
| CN211606889U (en) | Overvoltage protection circuit, constant current drive circuit, drive integrated circuit board and electronic equipment | |
| CN208189935U (en) | A kind of lamplight brightness can be with the data line of sound variation | |
| CN2790036Y (en) | Non-zero line double-live wire acousto-optic control delay switch | |
| CN1510650A (en) | Passive driving method for organic light emitting diodes | |
| CN215499642U (en) | LED button control circuit and dust catcher | |
| CN217653716U (en) | Anti-extrusion durable LED lamp strip | |
| CN211606880U (en) | LED differential pressure protection circuit, constant current drive circuit, drive board card and electronic equipment | |
| CN210950923U (en) | Novel wall lamp based on sound control | |
| CN210350785U (en) | Power supply manager | |
| CN216434403U (en) | Light sensing indicating circuit for detecting continuous tin | |
| CN207706492U (en) | The breathing circuit for lamp built based on discrete device | |
| CN201307602Y (en) | Improved SMD light-emitting diode support structure | |
| CN2508461Y (en) | Drive circuit of LED | |
| CN2141958Y (en) | Light regulating device remote-controlled by supersonic | |
| CN216643902U (en) | Atmosphere lamp |
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 |