CN207650941U - A kind of merchandise display alarm against theft - Google Patents
A kind of merchandise display alarm against theft Download PDFInfo
- Publication number
- CN207650941U CN207650941U CN201721114400.0U CN201721114400U CN207650941U CN 207650941 U CN207650941 U CN 207650941U CN 201721114400 U CN201721114400 U CN 201721114400U CN 207650941 U CN207650941 U CN 207650941U
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- Prior art keywords
- alarm
- circuit component
- warning circuit
- port
- against theft
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- Burglar Alarm Systems (AREA)
Abstract
The utility model provides a kind of merchandise display alarm against theft, including the first alarm seat and its first warning circuit component, the second alarm and its second warning circuit component, first warning circuit component and the second warning circuit component are connected by cable signal, realization communicates between the two, when so that the signal connection of the first alarm seat and the second alarm being disconnected, while the second warning circuit component is alarmed, the first warning circuit component is also alarmed.The utility model can realize dual-alarm function, provide stronger anti-theft alarm function, and the first alarm seat tool has abundant combination ability, the second alarm that variety classes and shape may be selected.Further, also antitheft, charge function can be extended by the external-connected port of the first alarm seat, the second alarm itself also has extended capability, and utilization rate is high, may be implemented, to the antitheft of multiple products, to reduce client cost.
Description
Technical field
The utility model is related to a kind of merchandise display alarm against theft.
Background technology
With the continuous development of electronic industry, electronics categories are more and more, and all kinds of businessmans are in order to promote sales achievement
With promote user experience, generally require electronic product being placed on sales counter and allow the direct to-be-experienced product of client.Existing needle on the market
To the antitheft scheme of such commodity display, mostly commodity are shown and protect using a set of independent alarm of a commodity.But it opens up
Show that range of goods is different, different alarms is needed to be attached thereto.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of combinations flexibly, the commodity with dual-alarm function
Show alarm against theft.For this purpose, the utility model uses following technical scheme：
The first warning circuit group is arranged in a kind of merchandise display alarm against theft, including the first alarm seat, the first alarm seat
Part, the first warning circuit component are provided with the first switch for being in the first alarm seat bottom, it is characterised in that the alarm
Anti-theft device further includes the second alarm being arranged outside the side of the first alarm seat, and second alarm is provided with the second alarm
Circuit unit, the setting of the second warning circuit component are in the second switch at the top of the second alarm；First warning circuit component and
Second warning circuit component is connected by cable signal, and realization communicates between the two so that the first alarm seat and the second alarm
Signal connection when being disconnected, while the second warning circuit component is alarmed, the first warning circuit component is also alarmed.
Further, the first warning circuit component is connected with power cord, and the second warning circuit component is battery powered.
Further, the first warning circuit component is provided with first port, the second warning circuit component setting
There are second port, the both ends of the cable to be connected respectively with first port and second port.
Further, the first warning circuit component is provided with third external-connected port.
Further, the second warning circuit component is provided with the 4th external-connected port.
Further, the second alarm has top joint face.
Further, the second alarm is provided with connecting portion, for being connected and fixed clamping device.
Further, the A/D of chip is controlled in the first port of the first warning circuit component and the first warning circuit component
Conversion interface circuit connects, and first port connects pull-up resistor；The second port of second warning circuit component and the second alarm electricity
The A/D conversion interface circuits connection of chip is controlled in the component of road, second port connects pull down resistor.
Further, the resistance value of the pull-up resistor is less than the resistance value of pull down resistor.
Due to using the technical solution of the utility model, the first alarm seat of the utility model and setting are in the first alarm seat
Side outside the second alarm be provided with independent warning function, it can be achieved that dual-alarm function, provides stronger anti-theft alarm function,
And first alarm seat tool have an abundant combination ability, variety classes and shape may be selected in the second alarm.Further, can also lead to
The external-connected port for crossing the first alarm seat extends antitheft, charge function, and the second alarm itself also has extended capability, and utilization rate is high,
It may be implemented, to the antitheft of multiple products, to reduce client cost.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model embodiment 1.
Schematic diagram when Fig. 2 alarms seat bottom upward for first.
Fig. 3 is schematic diagram of the utility model embodiment 1 under the second alarm and showpiece connection status.
Fig. 4 is the schematic diagram of second of embodiment of the utility model.
Fig. 5 is the schematic diagram of the third embodiment of the utility model.
Fig. 6 is the schematic diagram of the 4th kind of embodiment of the utility model.
Fig. 7 is the control in control chip and the second warning circuit component in the utility model the first warning circuit component
The connection diagram of chip.
Specific implementation mode
With reference to attached drawing.Merchandise display alarm against theft provided by the utility model, including the first alarm seat 1, first
The first warning circuit component is arranged in seat 1 of alarming, and the first warning circuit component, which is provided with, is in the of 1 bottom of the first alarm seat
One switch 10, the first alarm seat 1 are generally fixed on by double faced adhesive tape on table top by bottom, meanwhile, first switch 10 is opened, and first
Warning circuit component enters alarm and protection state, and such as the first alarm seat 1 is illegally picked up, moves and can alarm, and makes the first alarm
Seat is securely anchored, and forms center.The alarm against theft further includes the second alarm being arranged outside the side of the first alarm seat 1
The shape of device 2, the second alarm 2 is not limited by the first alarm seat 1, can select variety classes and shape.Second report
Alert device 2 is provided with the second warning circuit component, and the setting of the second warning circuit component is in the second switch at the top of the second alarm
20, after top connects displaying commodity, second switch 20 is opened, and the second warning circuit component enters alarm and protection state, is such as opened up
Show that commodity are illegally taken away and can be alarmed from the second alarm 2；First warning circuit component and the second warning circuit component are logical
The connection of 3 signal of cable is crossed, realization communicates between the two so that the first alarm seat 1 is connected with the signal of the second alarm 2 to be disconnected
When, while the second warning circuit component is alarmed, the first warning circuit component is also alarmed.
First warning circuit component and the second warning circuit component can be used to be used in current merchandise display protective device
Warning circuit, or also carry charging circuit warning circuit.
Second alarm has top joint face 22, can utilize stickum that exhibit 100 is fixed on the alarm
On device, the second alarm is also provided with threaded hole 23 and is used as connection structure（Or the connection structure is only set）, for connecting
Fixed clamping device 4 fixes exhibit by clamping device.
The first warning circuit component is connected with power cord 5, and the second warning circuit component is battery powered.
The first warning circuit component is provided with first port（It is blocked and do not shown by an end head of cable 3）, institute
It states the second warning circuit component and is provided with second port（It is blocked and do not shown by another end head of cable 3）, the cable 3
Both ends are connected with first port and second port respectively.
The first warning circuit component is provided with third external-connected port 12 as described in Fig. 5, Fig. 6.The first alarm seat 1 is set to connect
The theft-proof sensor 7 of other types or clipping anti-theft device 8 are connect, charging and anti-theft feature are provided.
The first warning circuit component is provided with the 4th external-connected port 24, charges for exhibit 100 and antitheft.
With reference to attached drawing 7, chip U4 is controlled in the first port O ' of the first warning circuit component and the first warning circuit component
The connection of A/D translation interfaces (i.e. o.11 port on chip U4) circuit, first port O ' is connected with pull-up resistor R9；Second
A/D translation interfaces (the i.e. chip U4 of control chip U3 in the second port O ' ' of warning circuit component and the second warning circuit component
On No. 21 port) circuit connection, first port O ' is connected with pull down resistor R11.
The resistance value of the pull-up resistor R9 is less than the resistance value of pull down resistor R11.
In this way, pull-up resistor R9 and pull down resistor R11 form bleeder circuit, when cable 3 connects first port O ' and second
After the O ' ' of port, the A/D translation interfaces (i.e. o.11 port on chip U4) of control chip U4 and the A/D of control chip U3 turn
Alias (i.e. the voltage on No. 21 port on chip U4 is the median after partial pressure, and burglar alarm protection is prompted to start, when
After cable 3 is cut off, the A/ of the A/D translation interfaces (i.e. o.11 port on chip U4) and control chip U3 of control chip U4
(i.e. the voltage on No. 21 port on chip U4 sends variation to D translation interfaces respectively, and correspondingly, control chip starts alarm.
Above-mentioned first switch 10 is also shown in the figure 7（That is switch SW3）, it is connect with a port of chip U4,
Above-mentioned second switch 20 is also shown in the figure 7（That is switch SW2）, it is connect with a port of chip U3.
The foregoing is merely the structure features of specific embodiment of the utility model, but the utility model to be not limited to
This, any those skilled in the art in the field of the utility model, made by changes or modifications all cover it is new in this practicality
Among the protection domain of type.
Claims (9)
1. the first warning circuit component is arranged in a kind of merchandise display alarm against theft, including the first alarm seat, the first alarm seat,
The first warning circuit component is provided with the first switch for being in the first alarm seat bottom, it is characterised in that the alarming anti-theft
Device further includes the second alarm being arranged outside the side of the first alarm seat, and second alarm is provided with the second warning circuit
Component, the setting of the second warning circuit component are in the second switch at the top of the second alarm；First warning circuit component and second
Warning circuit component is connected by cable signal, and realization communicates between the two so that the letter of the first alarm seat and the second alarm
When being disconnected, while the second warning circuit component is alarmed, the first warning circuit component is also alarmed for number connection.
2. a kind of alarm against theft as described in claim 1, it is characterised in that the first warning circuit component is connected with
Power cord, the second warning circuit component are battery powered.
3. a kind of alarm against theft as described in claim 1, it is characterised in that the first warning circuit component is provided with
First port, the second warning circuit component are provided with second port, the both ends of the cable respectively with first port and
Two-port netwerk connects.
4. a kind of alarm against theft as described in claim 1, it is characterised in that the first warning circuit component is provided with
Third external-connected port.
5. a kind of alarm against theft as described in claim 1 or 4, it is characterised in that the second warning circuit component setting
There is the 4th external-connected port.
6. a kind of alarm against theft as described in claim 1, it is characterised in that the second alarm has top joint face.
7. a kind of alarm against theft as described in claim 1 or 6, it is characterised in that the second alarm is provided with interconnecting piece
Position, for being connected and fixed clamping device.
8. a kind of alarm against theft as described in claim 1, it is characterised in that the first port of the first warning circuit component
It is connected with the A/D conversion interface circuits for controlling chip in the first warning circuit component, first port connects pull-up resistor；Second report
The second port of alert circuit unit is connected with the A/D conversion interface circuits for controlling chip in the second warning circuit component, second end
Mouth connection pull down resistor.
9. a kind of alarm against theft as claimed in claim 8, it is characterised in that under the resistance value of the pull-up resistor is less than
The resistance value of pull-up resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114400.0U CN207650941U (en) | 2017-09-01 | 2017-09-01 | A kind of merchandise display alarm against theft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114400.0U CN207650941U (en) | 2017-09-01 | 2017-09-01 | A kind of merchandise display alarm against theft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207650941U true CN207650941U (en) | 2018-07-24 |
Family
ID=62886743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721114400.0U Active CN207650941U (en) | 2017-09-01 | 2017-09-01 | A kind of merchandise display alarm against theft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207650941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024169A (en) * | 2019-12-09 | 2020-04-17 | 芜湖乐创电子科技有限公司 | Anti-theft external-clamping type ultrasonic flowmeter |
-
2017
- 2017-09-01 CN CN201721114400.0U patent/CN207650941U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024169A (en) * | 2019-12-09 | 2020-04-17 | 芜湖乐创电子科技有限公司 | Anti-theft external-clamping type ultrasonic flowmeter |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |