CN206133832U - Door opening alarm device - Google Patents
Door opening alarm device Download PDFInfo
- Publication number
- CN206133832U CN206133832U CN201621056410.9U CN201621056410U CN206133832U CN 206133832 U CN206133832 U CN 206133832U CN 201621056410 U CN201621056410 U CN 201621056410U CN 206133832 U CN206133832 U CN 206133832U
- Authority
- CN
- China
- Prior art keywords
- contact
- door
- source
- alarm device
- push rod
- 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
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- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to a door opening alarm device, including push rod, DC power supply, fine motion travel switch and acousto -optic warning source, fine motion travel switch include movable contact and four contacts, first contact and second contact are located fine motion travel switch's first spacing position, contact with the fourth and be located fine motion travel switch's the spacing position of second in the third contact, the push rod install on the door, push rod one end and movable contact swing joint, when the door was in and opens the state, movable contact was continuous with first contact and second contact, loop in in DC power supply, fine motion travel switch and acousto -optic warning source. Compared with the prior art, the utility model has the advantages of longe -lived, device stability, with low costs.
Description
Technical field
This utility model is related to a kind of alarm device, more particularly, to a kind of open alarm device.
Background technology
As the security of social development different spaces is very necessary, such as open alarm device etc. is highly desirable to.More such as
The automatically-controlled door in the garage of family is often remote control, and people can easily with remote-control key switch garage door.But garage door
Also can be opened by some maloperations：Such as remote-control key at home by by mistake by, or forget to close garage door etc. after car owner is stopped；Some business
Shop or laboratory etc. place is come off duty after closing the door, the entrance if someone illegally opens the door, it is also desirable to have open alarm device；More than
If situation no very first time finds whether door is in "open" state, it will cause the generation of some unsafe incidents, because
It is very necessary that this installs such device on the door (window) of important place.
Be magnetic at present, the scheme such as photoelectricity open alarm.The power supply of these alarm devices is mostly battery-powered, device
Normal use can be affected by battery capacity；And install occasion additional and have certain limitations；Its capacity of resisting disturbance is not strong enough, and magnetic is at any time
Between weaken can affect sensitivity.
The Chinese patent of such as Application No. 201310428361.1 discloses a kind of alarm for door opening, with extension spring, report
Alert device, contact point, one end of extension spring are fixed on doorframe, and the other end is fixed on door, and a contact point is pacified in the side of doorframe, will
No. 5 batteries of two sections are set up in alarm, the negative or positive electrode one of battery are connected in extension spring, other end is connected on contact point,
Extension spring during enabling contacts contact point and will send sound warning immediately.The alarm is powered using No. 5 batteries, and battery plus-negative plate is accessed
Warning circuit loop, for a long time using later easily loose contact.
Utility model content
The purpose of this utility model is exactly to provide a kind of simple, peace to overcome the defect of above-mentioned prior art presence
Entirely, stable open alarm device.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of open alarm device, including push rod, DC source, micro limit switch and sound and light alarm source, described is micro-
Dynamic travel switch is arranged on fixed position, and micro limit switch includes movable contact and four contacts, and the first contact and second is touched
First restraining position of the point positioned at micro limit switch, described push rod are mounted on a door, and push rod one end is movable with movable contact
Connection, when door is in opening, the first contact is connected by movable contact with the second contact, opens DC source, microstroke
Close and sound and light alarm source forms loop.
Described device also includes that relay indicating light, the 3rd contact and the 4th contact are located at the second limit of micro limit switch
Position position, when door is closed, the 3rd contact is connected by movable contact with the 4th contact, and DC source, microstroke are opened
Close and relay indicating light forms loop.
Described DC source is the vertoro for civil power to be converted into low-voltage DC.
Described sound and light alarm source includes LED stroboscopic lamps parallel with one another, buzzer and normal bright LED.
Described push rod is L-type rigid structure, and an arm of L-type is fastened on door by bolt or screw.
On and off switch is provided between described vertoro and civil power.
Compared with prior art, this utility model has advantages below：
(1) micro limit switch is driven using push rod, compact, device are stable, than establishing by cable using magnetic switch and light
The scheme strong antijamming capability of pass；There are supply, and low price on main components market.
(2) relay indicating light is used, indicating alarm device working condition when door is closed, timely discovery circuit problem.
(3) powered using 220V power supplys, do not limited by battery capacity, battery, energy-conserving and environment-protective need not be changed；Advanced LED
Light source, long service life and energy saving.
(4) reported to the police with reference to LED stroboscopic lamps and buzzer, often bright LED can also indicate that alarm condition.
Description of the drawings
Electrical block diagrams of the Fig. 1 for the present embodiment；
Fig. 2 is the present embodiment push rod and door connection diagram；
Reference：
1 is 220V/12V vertoroes；21 is the first contact；22 is the second contact；23 is the 3rd contact；24 is the 4th
Contact；26 is movable contact；3 is on and off switch；4 is LED stroboscopic lamps；5 is buzzer；6 is relay indicating light；7 are normal bright LED
Lamp；8 is push rod；9 is door.
Specific embodiment
This utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with this utility model
Implemented premised on technical scheme, given detailed embodiment and specific operating process, but guarantor of the present utility model
Shield scope is not limited to following embodiments.
Embodiment
As shown in figure 1, a kind of open alarm device, including push rod 8, DC source, microswitch, sound and light alarm source and work
Make display lamp 6.Micro limit switch is fixed on the wall, and micro limit switch includes movable contact 26 and four contacts, and first touches
Point 21 and the second contact 22 are located at the first restraining position of micro limit switch, and the first contact 21 is connected with DC power anode,
Second contact 22 is connected with sound and light alarm source one end, and the sound and light alarm source other end is connected with DC power cathode；3rd contact 23
The second restraining position of micro limit switch is located at the 4th contact 24, the 3rd contact 23 is connected with DC power anode, the 4th
Contact 24 is connected with 6 one end of relay indicating light, and 6 other end of relay indicating light is connected with DC power cathode；Push rod 8 is arranged on door
It is connected above and with movable contact 26.
DC source is the vertoro 1 for civil power to be converted into low-voltage DC, vertoro 1 and civil power it
Between be provided with and off switch 3.
Sound and light alarm source includes LED stroboscopic lamps 4 parallel with one another, buzzer 5 and normal bright LED 7.
Push rod 8 is L-type rigid structure, and an arm of L-type is fastened on door by bolt or screw；Note pushing away during in-site installation
The relative position of bar and travel switch, when door is closed, movable contact 26 is in the second restraining position；When door is opened, movable contact
26 are in the first restraining position.
LED stroboscopic lamps 4 and buzzer 5 have two groups, and first group of LED stroboscopic lamp 4 and buzzer 5 can be arranged on door as needed
Outward, when driving out, prompting is not closed as garage door.It is possible if desired to the two is mounted in the compartment of transparent cover.
Second group of LED stroboscopic lamp 4 and buzzer 5 are arranged on the interiors such as parlor, dining room, used as the prompting that garage door is not closed.
Remaining components and parts is all mounted in an electrical appliance kit, near garage door, using the push rod installed additional on garage door
To control micro limit switch keying.
Often bright LED 7 and relay indicating light 6 are used for scene instruction, observe the running-active status and circuit of micro limit switch
State.
Under normal circumstances, 26 no stress of movable contact, in the second restraining position, movable contact 26 is by the 3rd contact 23
It is connected with the 4th contact 24, DC source, micro limit switch and relay indicating light 6 form work and indicate loop, can be used to see
Examine the working condition of device；When door is in opening, push rod 8 promotes 26 to the first restraining position of movable contact, now activity
First contact 21 is connected by contact 26 with the second contact 22, and DC source, micro limit switch and sound and light alarm source are formed reports to the police
Loop, realizes warning function, and now performance loop disconnects；Door is when being closed, movable contact 26 can self-resetting, by the
Three contacts 23 are connected with the 4th contact 24, and performance loop is connected, and alarm circuit disconnects.
The present embodiment is applied to the door (window) for installing or being installed in that different directions open door, and door and window can be slided, and also may be used
To be traditional pivoting, the installation site of micro limit switch is selected according to activity form.Alarm device is easy for installation,
Effect is obvious, easy to maintenance, and slightly electrician's skill just can be installed with oneself, be well suited for DIY family.
Claims (6)
1. a kind of open alarm device, it is characterised in that including push rod, DC source, micro limit switch and sound and light alarm source,
Described micro limit switch is arranged on fixed position, and micro limit switch includes movable contact and four contacts, the first contact
The first restraining position of micro limit switch is located at the second contact, described push rod is mounted on a door, push rod one end and activity
Contact is flexibly connected, and when door is in opening, the first contact is connected by movable contact with the second contact, makes DC source, micro-
Dynamic travel switch and sound and light alarm source form loop.
2. a kind of open alarm device according to claim 1, it is characterised in that described device is also indicated including work
Lamp, in four described contacts, the 3rd contact and the 4th contact are located at the second restraining position of micro limit switch, and door is in closing
During closed state, the 3rd contact is connected by movable contact with the 4th contact, makes DC source, micro limit switch and relay indicating light
Form loop.
3. a kind of open alarm device according to claim 1, it is characterised in that described DC source is for by city
Electricity is converted into the vertoro of low-voltage DC.
4. a kind of open alarm device according to claim 1, it is characterised in that described sound and light alarm source includes mutually
In parallel LED stroboscopic lamps, buzzer and normal bright LED.
5. a kind of open alarm device according to claim 1, it is characterised in that described push rod is L-type rigid structure,
One arm of L-type is fastened on door by bolt or screw.
6. a kind of open alarm device according to claim 3, it is characterised in that described vertoro and civil power it
Between be provided with and off switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621056410.9U CN206133832U (en) | 2016-09-14 | 2016-09-14 | Door opening alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621056410.9U CN206133832U (en) | 2016-09-14 | 2016-09-14 | Door opening alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206133832U true CN206133832U (en) | 2017-04-26 |
Family
ID=58570109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621056410.9U Expired - Fee Related CN206133832U (en) | 2016-09-14 | 2016-09-14 | Door opening alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206133832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138774A (en) * | 2018-09-19 | 2019-01-04 | 深圳市安思科电子科技有限公司 | A kind of security door based on block chain technology |
-
2016
- 2016-09-14 CN CN201621056410.9U patent/CN206133832U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138774A (en) * | 2018-09-19 | 2019-01-04 | 深圳市安思科电子科技有限公司 | A kind of security door based on block chain technology |
| CN109138774B (en) * | 2018-09-19 | 2021-01-05 | 浙江佳洋门业有限公司 | Security door based on block chain technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20200914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |