CN202736211U - Automatic-charging display alarm - Google Patents
Automatic-charging display alarm Download PDFInfo
- Publication number
- CN202736211U CN202736211U CN 201220299404 CN201220299404U CN202736211U CN 202736211 U CN202736211 U CN 202736211U CN 201220299404 CN201220299404 CN 201220299404 CN 201220299404 U CN201220299404 U CN 201220299404U CN 202736211 U CN202736211 U CN 202736211U
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- circuit
- automatic charging
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- output terminal
- alarm
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Abstract
The utility model discloses an automatic-charging display alarm, comprising a sensor circuit, an alarm circuit, an alarm enablement circuit and a power supply circuit. The sensor circuit and the alarm enablement circuit are respectively connected with the alarm circuit. The power supply circuit comprises a built-in automatic-charging power supply circuit, an external-power-supply interface circuit and a three-end voltage stabilizer. Output terminals of the built-in automatic-charging power supply circuit and the external-power-supply interface circuit are connected with an input terminal of the three-end voltage stabilizer by an alternative switch. An output terminal of the three-end voltage stabilizer is taken to be an output terminal of the power supply circuit and is connected with a power-supply input terminal of the alarm enablement circuit. The automatic-charging display alarm provided by the utility model can enable that products always have a theftproof function, thereby reducing stolen possibility without replacing batteries by a manual manner, reducing manpower cost and having excellent application prospects.
Description
Technical field
The utility model relates to the alarm technical field, is specifically related to a kind of automatic charging type alarm for exhibits for various consumer electronics products.
Background technology
Development along with the electronic product retail trade, businessman more and more payes attention to experience type and sells, for such as valuable products such as camera, single anti-, panel computer, IPOD, businessman is outstanding these class articles of price, generally adopts independently stent-type display, but because sales promotion person's energy is limited, therefore need that burglar alarm is installed and carry out burglar alarm, at present, have the alarm for exhibits of identity function, have following shortcoming:
1) an existing class alarm for exhibits, powered battery only is provided, there is not the standby power supply charging system, in case running down of battery then needs again to change battery, if the alarm for exhibits One's name is legion, will bring very large trouble to management, but also can exist battery altering untimely, and cause product forfeiture anti-theft feature, increase the possibility of being stolen;
2) existing also have a class alarm for exhibits, although prompting function when exhausting soon, battery is arranged, but still need to manually in time change, increase human cost.
Because the defective that above-mentioned existing alarm for exhibits exists, the design people, actively research and innovation in addition in the hope of founding a kind of automatic charging type alarm for exhibits of new structure, makes it have more practicality.
The utility model content
Fundamental purpose of the present utility model is, overcome the defective that existing alarm for exhibits exists, and a kind of automatic charging type alarm for exhibits of new structure is provided, technical matters to be solved is to make it, can make product have all the time anti-theft feature, the possibility that minimizing is stolen, and need not manually to change battery, and reduce human cost, have a good application prospect, thereby more be suitable for practicality, and have the value on the industry.
The purpose of this utility model and solve its technical matters and realize by the following technical solutions.According to a kind of automatic charging type alarm for exhibits that the utility model proposes, comprise sensor circuit, warning circuit and warning enable circuits, described sensor circuit is connected with warning circuit respectively with the warning enable circuits, also comprise power circuit, described power circuit comprises built-in automatic charging power circuit, external power source interface circuit and three terminal regulator, the output terminal of described built-in automatic charging power circuit and external power source interface circuit is connected with the input end of three terminal regulator by either-or switch, and the output terminal of described three terminal regulator is connected with the power input of described warning enable circuits as the output terminal of power circuit.
Aforesaid automatic charging type alarm for exhibits; wherein; described built-in automatic charging power circuit comprises rechargeable battery, voltage checking chip circuit and battery charger; the negative pole of described rechargeable battery is connected with the input end of voltage checking chip circuit; the output terminal of described voltage checking chip circuit is connected with the positive pole of rechargeable battery by either-or switch, and described battery charger is provided with rechargeable battery both positive and negative polarity reverse-connection protection circuit.
Aforesaid automatic charging type alarm for exhibits, wherein, described voltage checking chip circuit comprises voltage checking chip U5, the input end of described voltage checking chip U5 is connected with the negative pole of rechargeable battery by capacitor C 8 as the input end of voltage checking chip circuit, the output terminal of described voltage checking chip U5 is connected with the positive pole of rechargeable battery by either-or switch as the output terminal of voltage checking chip circuit, between the output terminal of described voltage checking chip U5 and the input end also successively forward be connected with diode D3, resistance R 10 and light emitting diode D6.
Aforesaid automatic charging type alarm for exhibits, wherein, described external power source interface circuit comprises USB power interface circuit and adaptor power supplies interface circuit.
Aforesaid automatic charging type alarm for exhibits, wherein, described warning enable circuits comprises wireless receiving circuit and the indicating circuit for the work of control warning circuit, described wireless receiving circuit comprises wireless receiving module U3 and decoding integrated chip U2, described wireless receiving module U3 is connected with indicating circuit by decoding integrated chip U2, and the voltage output end of described decoding integrated chip U2 also is connected with the power input of described warning circuit.
Aforesaid automatic charging type alarm for exhibits, wherein, described warning circuit comprises breaking-proof switch circuit and alarm unit, the output terminal of described breaking-proof switch circuit is connected with alarm unit.
By technique scheme, the utility model automatic charging type alarm for exhibits has following advantages at least:
The utility model is provided with built-in automatic charging power circuit and two kinds of power supply modes of external power source interface circuit, and be provided with automatic charger in the built-in automatic charging power circuit, can make product have all the time anti-theft feature, the possibility that minimizing is stolen, and need not manually to change battery, and reducing human cost, businessman can select external power supply or built-in power as required, easy to use, anti-theft effect is good, have a good application prospect.
In sum, the automatic charging type alarm for exhibits of the utility model special construction, it has above-mentioned many advantages and practical value, thereby more is suitable for practicality.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of instructions, below with preferred embodiment of the present utility model and cooperate accompanying drawing to be described in detail as follows.
Description of drawings
Fig. 1 is the system chart of automatic charging type alarm for exhibits of the present utility model.
Fig. 2 is the schematic diagram of power circuit of the present utility model.
Fig. 3 is the schematic diagram of warning enable circuits of the present utility model.
Fig. 4 is the schematic diagram of sensing circuit of the present utility model.
Fig. 5 is the schematic diagram of warning circuit of the present utility model.
Embodiment
Be to reach technological means and the effect that predetermined utility model purpose is taked for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, embodiment of the present utility model be described in detail as follows.
As shown in Figure 1, automatic charging type alarm for exhibits of the present utility model, comprise sensor circuit, warning circuit, warning enable circuits and power circuit, described sensor circuit is connected with warning circuit respectively with the warning enable circuits, described power circuit comprises built-in automatic charging power circuit, external power source interface circuit and three terminal regulator, the output terminal of described built-in automatic charging power circuit and external power source interface circuit is connected with the input end of three terminal regulator by either-or switch, the output terminal of described three terminal regulator is connected with the power input of described warning enable circuits as the output terminal of power circuit, wherein whether sensor circuit is used to outside manufacture that working power is provided and detects outside manufacture and be removed, after if outside manufacture is removed, can output signal to warning circuit, warning circuit is used for sending the chimes of doom of buzzing, remind staff's product to be removed, take further measures, the warning enable circuits is used for the normal operation of control warning circuit, if the staff carries out the plug of power supply voluntarily to outside manufacture, the warning enable circuits can be controlled the warning circuit malfunction, the warning enable circuits be by wireless receiving module receive wireless control signal decode process after, could control the warning circuit malfunction, the telepilot that the wireless control signal is here specially joined for the staff sends, power circuit is used to come circuit that operating voltage is provided, power circuit is provided with built-in automatic charging power circuit and two kinds of power supply modes of external power source interface circuit, and be provided with automatic charger in the built-in automatic charging power circuit, can make product have all the time anti-theft feature, the possibility that minimizing is stolen, and need not manually to change battery, reduce human cost, external power supply or built-in power can be selected by either-or switch as required by businessman.
As shown in Figure 2, built-in automatic charging power circuit in the power circuit of automatic charging type alarm for exhibits of the present utility model comprises rechargeable battery BATTY1, voltage checking chip circuit and battery charger U4, the negative pole of rechargeable battery BATTY1 is connected with the input end of voltage checking chip circuit, the output terminal of voltage checking chip circuit is connected with the positive pole of rechargeable battery BATTY1 by either-or switch ZK
Described voltage checking chip circuit is used for triggering U4 pair of battery charger and rechargeable battery BATTY1 charges, comprise voltage checking chip U5, the input end of voltage checking chip U5 is connected by the negative pole of capacitor C 8 with rechargeable battery BATTY1 as the input end of voltage checking chip circuit, the output terminal of voltage checking chip U5 is connected with the positive pole of rechargeable battery BATTY1 by either-or switch ZK as the output terminal of voltage checking chip circuit, between the output terminal of voltage checking chip U5 and the input end also successively forward be connected with diode D3, resistance R 10 and light emitting diode D6, voltage checking chip U5 is for detection of cell voltage, whether the conducting of light emitting diode D6, be used for the staff and judge whether rechargeable battery BATTY1 will carry out precharge, the conducting of diode D3, whether in the condition that works, specifically the charging process to rechargeable battery BATTY1 is as follows as rechargeable battery BATTY1 for the cut-off two states:
1) when rechargeable battery BATTY1 voltage is lower than 3.3V, the output terminal of voltage checking chip U5 is low level, and D6 cut-off this moment (lamp does not work) shows that rechargeable battery BATTY1 brownout need to carry out precharge;
2) when rechargeable battery BATTY1 voltage during greater than 3.3V, the output terminal of voltage checking chip U5 is high level, and D6 conducting (lamp is bright) this moment shows that rechargeable battery BATTY1 does not temporarily need to carry out precharge;
3) when the outage of control either-or switch ZK control external power supply, the positive pole of diode D3 connects the positive pole of rechargeable battery BATTY1, the negative pole of D3 connects external power supply and presents low level state, the D3 conducting, show that rechargeable battery BATTY1 works, until battery electric quantity exhausts, perhaps there is the external power supply access just to stop;
4) when external power supply has input voltage, this moment, high level all appearred in the both positive and negative polarity at diode D3, and the D3 cut-off shows that rechargeable battery quits work.
Described battery charger U4 is provided with rechargeable battery both positive and negative polarity reverse-connection protection circuit; adopt steady current/voltage linear control; do not need external detection resistor and isolating diode; the internal heat feedback can automatically adjust to charging current, and specifically 3 pin by battery charger U4 carry out precharge to rechargeable battery BATTY1.
Described external power source interface circuit comprises USB power interface circuit and adaptor power supplies interface circuit, and wherein the interface end of USB power interface circuit is J2, and the interface end of adaptor power supplies interface circuit is J1, and adaptor power supplies selects the 5v power supply adaptor to get final product here.
As shown in Figure 3, the warning enable circuits of automatic charging type alarm for exhibits of the present utility model comprises wireless receiving circuit and the indicating circuit for the work of control warning circuit, described wireless receiving circuit comprises that 315MHZ or 433MHZ wireless receiving module U3 and decoding integrated chip U2(model are PT2272), wireless receiving module U3 is connected with indicating circuit by decoding integrated chip U2, indicating circuit is by triode Q1, Q2, light emitting diode D4, capacitor C 1, C3, some resistance R 4, R5, R6, R9 forms, three terminal regulator provides working power for the warning enable circuits after for 3V voltage rechargeable battery BATTY1 or external power supply voltage transitions, detailed process is as follows: at first by wireless receiving module U3 reception control signal, the telepilot that the control signal is here specially joined for the staff sends, pass to the decoding integrated chip U2 coupling of decoding by the DIN pin, the A8/D3 pin output high level signal of decoding integrated chip U2 after the match is successful, make the triode Q1 in the indicating circuit, the Q2 conducting, light emitting diode D4 lamp just can be lighted, the voltage output end of decoding integrated chip U2 also is connected with the power input of described warning circuit, is used for the normal operation of control warning circuit.
As shown in Figure 4, the sensor circuit of automatic charging type alarm for exhibits of the present utility model, under normal circumstances, the contact of switch S 2 is normally closed, and when the product of normal operation to be in was taken away suddenly, the S2 switch contact flicked, conducting gets electric, here report to the police by NetA point warning circuit, also comprise the port that can supply with all kinds of USB port product chargings in the sensor circuit, the USB port 1 here, 4 pin can be exported 5v by resistance R 123 power supply provides operating voltage for external product.
As shown in Figure 5, the warning circuit of automatic charging type alarm for exhibits of the present utility model comprises breaking-proof switch circuit and alarm unit, the output terminal of described breaking-proof switch circuit is connected with alarm unit, described breaking-proof switch circuit comprises breaking-proof switch S1, after breaking-proof switch S1 flicks, can make the base stage of Q3 get electric work, make triode Q3, the Q4 conducting, when suddenly product being taken away, the warning integrated chip M3763A that is arranged in the alarm unit receives the alerting signal that NetA is ordered, triode Q3, the Q4 conducting can make warning integrated chip M3763A get electric work, by resistance R 20 turn-on transistor Q6, audio-frequency transformer (AFT) T1 drives the warning of alarming horn LS1 piezoelectricity singing piece and sends tweeting sound.
In sum, automatic charging type alarm for exhibits of the present utility model is provided with built-in automatic charging power circuit and two kinds of power supply modes of external power source interface circuit, and be provided with automatic charger in the built-in automatic charging power circuit, can make product have all the time anti-theft feature, reduce the possibility of being stolen, and need not manually to change battery, reduce human cost, businessman can select external power supply or built-in power as required, and is easy to use, anti-theft effect is good, has a good application prospect.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, any those skilled in the art, within not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. automatic charging type alarm for exhibits, comprise sensor circuit, warning circuit and warning enable circuits, described sensor circuit is connected with warning circuit respectively with the warning enable circuits, it is characterized in that: also comprise power circuit, described power circuit comprises built-in automatic charging power circuit, external power source interface circuit and three terminal regulator, the output terminal of described built-in automatic charging power circuit and external power source interface circuit is connected with the input end of three terminal regulator by either-or switch, and the output terminal of described three terminal regulator is connected with the power input of described warning enable circuits as the output terminal of power circuit.
2. automatic charging type alarm for exhibits according to claim 1; it is characterized in that: described built-in automatic charging power circuit comprises rechargeable battery, voltage checking chip circuit and battery charger; the negative pole of described rechargeable battery is connected with the input end of voltage checking chip circuit; the output terminal of described voltage checking chip circuit is connected with the positive pole of rechargeable battery by either-or switch, and described battery charger is provided with rechargeable battery both positive and negative polarity reverse-connection protection circuit.
3. automatic charging type alarm for exhibits according to claim 2, it is characterized in that: described voltage checking chip circuit comprises voltage checking chip U5, the input end of described voltage checking chip U5 is connected with the negative pole of rechargeable battery by capacitor C 8 as the input end of voltage checking chip circuit, the output terminal of described voltage checking chip U5 is connected with the positive pole of rechargeable battery by either-or switch as the output terminal of voltage checking chip circuit, between the output terminal of described voltage checking chip U5 and the input end also successively forward be connected with diode D3, resistance R 10 and light emitting diode D6.
4. automatic charging type alarm for exhibits according to claim 1, it is characterized in that: described external power source interface circuit comprises USB power interface circuit and adaptor power supplies interface circuit.
5. automatic charging type alarm for exhibits according to claim 1, it is characterized in that: described warning enable circuits comprises wireless receiving circuit and the indicating circuit for the work of control warning circuit, described wireless receiving circuit comprises wireless receiving module U3 and decoding integrated chip U2, described wireless receiving module U3 is connected with indicating circuit by decoding integrated chip U2, and the voltage output end of described decoding integrated chip U2 also is connected with the power input of described warning circuit.
6. automatic charging type alarm for exhibits according to claim 1, it is characterized in that: described warning circuit comprises breaking-proof switch circuit and alarm unit, the output terminal of described breaking-proof switch circuit is connected with alarm unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220299404 CN202736211U (en) | 2012-06-25 | 2012-06-25 | Automatic-charging display alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220299404 CN202736211U (en) | 2012-06-25 | 2012-06-25 | Automatic-charging display alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202736211U true CN202736211U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220299404 Expired - Fee Related CN202736211U (en) | 2012-06-25 | 2012-06-25 | Automatic-charging display alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202736211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106165999A (en) * | 2016-09-07 | 2016-11-30 | 芶才岗 | The antitheft demo rack of panel computer |
| CN106571000A (en) * | 2016-10-17 | 2017-04-19 | 宋光辉 | Antitheft display system and method of commodity |
-
2012
- 2012-06-25 CN CN 201220299404 patent/CN202736211U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106165999A (en) * | 2016-09-07 | 2016-11-30 | 芶才岗 | The antitheft demo rack of panel computer |
| CN106571000A (en) * | 2016-10-17 | 2017-04-19 | 宋光辉 | Antitheft display system and method of commodity |
| CN106571000B (en) * | 2016-10-17 | 2019-04-19 | 宋光辉 | Commodity anti-theft display systems and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20130625 |