CN201438433U - Wire control alarm switch - Google Patents
Wire control alarm switch Download PDFInfo
- Publication number
- CN201438433U CN201438433U CN2009200564511U CN200920056451U CN201438433U CN 201438433 U CN201438433 U CN 201438433U CN 2009200564511 U CN2009200564511 U CN 2009200564511U CN 200920056451 U CN200920056451 U CN 200920056451U CN 201438433 U CN201438433 U CN 201438433U
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- CN
- China
- Prior art keywords
- contact
- alarm
- alarm switch
- fixed contact
- lever
- 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 wire control alarm switch, which is characterized in that a left fixed contact and a right fixed contact which are communicated by a lead are arranged in an insulating box, and a middle movable contact and one of the left fixed contact and the right fixed contact are in a normally closed state under the action of a spring through a lever. After the terminal of an uncharged pull wire extending to a warning area to form a warning line or a warning ring is fixed, the starting point of the pull wire on the alarm switch is adjusted, so that the movable contact is positioned in the middle by the lever against the force of the spring, and an alarm circuit is disconnected to complete the control disposal. When the pull force is too large because the pull wire is hung by people, or the pull force is zero because the pull wire is cut or broken, the movable contact and any one of the left contact and the right contact are closed immediately to connect a power supply, so that an alarm gives alarm message.
Description
Technical field:
The utility model relates to a kind of single-phase electric switch of using.Different is with switch commonly used, the line traffic control alarm switch has three contacts at same camber line, the fixed contact on both sides is communicated with an external lead with lead, middle external another lead of armature contact and through disconnection or the closure of lever by tension spring and backguy control circuit.
Background technology:
Normally used three contact switchs generally are " ganged switch ", " sensitive switch " or " three-way turnover " switches such as " travel switches ".The utility model provides " two wires turnover " switch.
For the strick precaution alarm that exceeds visual line of sight, adopt on-the-spot detection transmitter of radio infrared line and alarm receiver mostly, its instructions for use is: have certain setting height(from bottom), detection transmitter and alarm receiver all power supply must be arranged.Have that investigative range is little, there are dead angle and limitation in the scanning sector, installation cost is higher and fail safe, reliability and shortcoming such as disguised relatively poor.Commit a crime again if the thief cuts off power supply at the scene earlier, block probe, then report to the police and lost efficacy; Animals such as cat and dog are swarmed into and can report by mistake or the like.The alarm that the utility model is controlled does not have reflector and receiver, and the warning scene does not need power supply, and fence coverage is big, no dead angle, and installation cost is very little, and fail safe, reliability and disguise are bigger, and rate of false alarm is minimum.
Summary of the invention:
Bigger in order to solve detection transmitter commonly used to fence coverage, on-the-spot non-transformer, there is not high thing, higher and the line of installation cost cut, pop one's head in kept off and unreliable and disguised relatively poor, rate of false alarm than problems such as height, the line traffic control alarm switch that the utility model provides is in an insulation booth, about two external leads of fixed contact that are communicated with lead, centre two fixed contacts, the armature contact that external another lead is arranged, the armature contact lever segment in insulation booth is in normally off with one of them fixed contact of the left and right sides under the effect of spring.Lever segment outside insulation booth is uncharged, and the backguy that lies in insulation booth outer lever end is uncharged, extendible, and terminal point is fixed.When extending to the backguy that the security area forms warning line or cordon, after terminal point is fixing, regulate the backguy on the stay thimble, make armature contact overcome spring tension and placed in the middle, the disconnection alarm circuit is promptly finished and is deployed to ensure effective monitoring and control of illegal activities.When taking place to be bumped extension by the people, backguy cause pulling force excessive, or cut off, bump disconnected when causing pulling force and being zero by the people, energized makes alarm send sound and light alarm information to armature contact with any one fixed contact closure of the left and right sides immediately under the effect of external force or spring force by lever.
Description of drawings:
The utility model is described in further detail with enforcement below in conjunction with accompanying drawing.
Fig. 1 is that to be broken, cut off pulling force be zero warning schematic diagram for normality of the present utility model or backguy.
Fig. 2 is the warning of the present utility model view of deploying to ensure effective monitoring and control of illegal activities.
Fig. 3 is the touched excessive warning schematic diagram of pulling force that causes of backguy of the present utility model.
In Fig. 1: be that backguy (6) is when being broken or cutting off pulling force and being zero when stay thimble (5) does not stress, the intermediate active contact (2) that is installed in the insulation booth (7) acts on pulling force on the lever (3) by tension spring (4), contact with fixed contact (1), electric current is by tension spring (4), lower end conductor and intermediate active contact (2) through lever (3) are connected with fixed contact (1), make alarm send sound and light alarm information.
Among Fig. 2: be subjected to the constant force effect of backguy (6) when stay thimble (5), lever (3) overcomes the spring force of tension spring (4), makes the armature contact (2) in the middle of being installed in the insulation booth (7) become to guard against the state of deploying to ensure effective monitoring and control of illegal activities with both sides fixed contact (1) deenergization.
Among Fig. 3: when backguy (6) was bumped extension by the people, stay thimble (5) was subjected to external force excessive, and lever (3) contacts the intermediate active contact (2) that is installed in the insulation booth (7) immediately with fixed contact (1).Electric current is connected with fixed contact (1) through lower end conductor and intermediate active contact (2) of lever (3) by tension spring (4), makes alarm send sound and light alarm information.
Embodiment:
The technical solution adopted in the utility model is: two external leads of fixed contact (1) that are communicated with lead about insulation booth (7) inner bottom part is equipped with, centre in two fixed contacts (1), the armature contact (2) that external another lead is arranged, armature contact (2) lever (3) part in insulation booth is in normally off with one of them fixed contact of the left and right sides (1) under the effect of spring (4).Lever (3) part outside insulation booth (7) is uncharged, and it is uncharged, extendible lying in the terminal backguy (6) of insulation booth (7) outer lever (3), and terminal point is fixed.Terminal point also can adopt the hook form, makes things convenient for to remove cloth at night daytime, has more confidentiality and disguise.Backguy (6) is adopted and is difficult for tiny ferrous metal line or the nylon wire that quilt is realized.Backguy (6) is deployed to ensure effective monitoring and control of illegal activities during the zone through non-, can make somebody a mere figurehead or sleeve pipe buries ground.In the zone of deploying to ensure effective monitoring and control of illegal activities, the setting height(from bottom) of backguy (6) is advisable between knee and waist, also can enclose the helical forms of 2 to 3 circle differing heights, with the increase dynamics of deploying troops on garrison duty.During installation,, make armature contact overcome that spring force is placed in the middle, circuit disconnects and getting final product as long as regulate backguy (6).The alarm of line traffic control alarm switch and connection is installed in the place of safety that person on duty or owner can obtain sound and light alarm information immediately.Very easy to use, and safety, reliable.
The beneficial effects of the utility model are,
Wire control alarm switch can be power supply with alternating current or battery, take electric bell, doorbell, cassette player, warning lamp etc. as sound, light crossing-signal, for some important channel, enclose antitheft, the tamper-proof warning of covering with the protection zone, particularly to zones such as larger area house, warehouse, enclosure wall, industrial crops, plants; Anti-stealing warning than zones such as the door of small size, window, balconies can reach inexpensive, safe, hidden effective preventive effect. Especially for the rural area of illogical civil power and the user who does not have the electrician to install, just can install, test, overhaul with the common batteries doorbell, simple and convenient and safety.
Use wire control alarm switch, for square, circular or erose warning region, can be not high with hardness, black seizing wire, thin wire, nylon wire enclose in more smooth bamboo stake or have on the timber, concrete column of pulley intensity preferably, one end is fixed, the other end lies in the draw ring of wire control alarm switch, and directly controls the purpose that friendship (directly) stream audible-visual annunciator etc. just can reach the strick precaution of reporting to the police effectively by switch.
Claims (4)
1. line traffic control alarm switch is characterized in that: two external leads of fixed contact that are communicated with lead about having in insulation booth in the centre of two fixed contacts, have the armature contact of external another lead.
2. line traffic control alarm switch according to claim 1 is characterized in that: middle armature contact is in normally off with one of them fixed contact of the left and right sides under the effect of lever at spring.
3. line traffic control alarm switch according to claim 1 is characterized in that: the lever segment outside insulation booth is uncharged.
4. line traffic control alarm switch according to claim 1 is characterized in that: backguy is uncharged, extendible, and terminal point is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200564511U CN201438433U (en) | 2009-05-13 | 2009-05-13 | Wire control alarm switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200564511U CN201438433U (en) | 2009-05-13 | 2009-05-13 | Wire control alarm switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201438433U true CN201438433U (en) | 2010-04-14 |
Family
ID=42400405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200564511U Expired - Fee Related CN201438433U (en) | 2009-05-13 | 2009-05-13 | Wire control alarm switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201438433U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167321A (en) * | 2014-09-02 | 2014-11-26 | 江苏美星大地环保科技有限公司 | Remote manual switch |
| CN108909213A (en) * | 2018-04-13 | 2018-11-30 | 大庆元子科技开发有限公司 | A kind of stay-supported is based on controllable Anti-dismantling transfer article and seal |
| CN114495392A (en) * | 2022-02-21 | 2022-05-13 | 武汉伊莱维特电力科技有限公司 | External damage joins in marriage net twine way early warning device |
-
2009
- 2009-05-13 CN CN2009200564511U patent/CN201438433U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167321A (en) * | 2014-09-02 | 2014-11-26 | 江苏美星大地环保科技有限公司 | Remote manual switch |
| CN108909213A (en) * | 2018-04-13 | 2018-11-30 | 大庆元子科技开发有限公司 | A kind of stay-supported is based on controllable Anti-dismantling transfer article and seal |
| CN114495392A (en) * | 2022-02-21 | 2022-05-13 | 武汉伊莱维特电力科技有限公司 | External damage joins in marriage net twine way early warning device |
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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: 20100414 Termination date: 20110513 |