CN205211063U - Outdoor transformer anti -theft device - Google Patents
Outdoor transformer anti -theft device Download PDFInfo
- Publication number
- CN205211063U CN205211063U CN201521040613.4U CN201521040613U CN205211063U CN 205211063 U CN205211063 U CN 205211063U CN 201521040613 U CN201521040613 U CN 201521040613U CN 205211063 U CN205211063 U CN 205211063U
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- CN
- China
- Prior art keywords
- transformer
- wheatstone bridge
- chip microcomputer
- theft device
- singlechip
- 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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Abstract
The utility model discloses an outdoor transformer anti -theft device, including installing the protection panel in the transformer bottom. Be equipped with the signal -radiation module of singlechip, pressure sensor module and connection singlechip on the protection panel, signal -radiation module is used for realizing the singlechip communication central with remote monitoring. Pressure sensor module includes silicon fiml piece, and excitation power supply, and the silicon fiml piece spreads into the semiconductor resistance of 4 equivalences and connects into wheatstone bridge in specific orientation, and wheatstone bridge connects excitation power supply, and the silicon fiml piece sets up in four pins bottoms of transformer, and pressure sensor module is to the singlechip output and the monitoring voltage of being done all can and being directly proportional by the pressure measurement. Singlechip, displacement sensor, pressure sensor module and signal -radiation module mutually support, realize the theftproof of transformer. And protect the panel to lie in the transformer bottom, the mounted position is concealed, is difficult for by people's discovery or destroys. This protection equipment for trans former has realized the remote monitoring protection of transformer, and is significant to smart power grids's realization.
Description
Technical field
The utility model relates to outdoor transformer anti-theft device.
Background technology
Transformer utilizes the principle of electromagnetic induction to change the device of alternating voltage, and main member is primary coil, secondary coil and iron core (magnetic core).In electric equipment and radio-circuit, be commonly used for buck/boost, matched impedance, Secure isolation etc.Major function has: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilizing (magnetic saturation transformer) etc.
Outdoor transformer is widely used in distribution network, the maintenance of outdoor transformer and protect distribution network always to patrol and examine the emphasis of maintenance.Existing protected mode be mostly warning line be set, install fence additional, the conventional means such as erection lightning protection.But some lawless person steals outdoor power facility, as transformer, cable etc.In order to protect transformer, people have found out a lot of method, and such as install and protect gasifying device, protective device in the past is easily destroyed, and is difficult to the object realizing protecting transformer for a long time.
Utility model content
In order to solve the deficiencies in the prior art, the utility model proposes outdoor transformer anti-theft device, whether the installation site being mainly used in remote monitoring transformer changes.
The utility model adopts following technical scheme:
Outdoor transformer anti-theft device, comprise the protection panel being arranged on transformer bottom, described protection panel is provided with single-chip microcomputer, pressure sensitive module and the signal emission module being connected single-chip microcomputer, and signal emission module is for realizing the communication of single-chip microcomputer and remote monitoring center;
Described pressure sensitive module comprises silicon diaphragm and excitation power supply, silicon diaphragm diffuses into 4 equivalent semiconductor resistors in particular directions and connects into Wheatstone bridge, Wheatstone bridge connects excitation power supply, silicon diaphragm is arranged on bottom four pins of transformer, and pressure sensitive module exports the monitoring voltage be directly proportional to by measuring pressure to single-chip microcomputer.
Preferably, described signal emission module connects remote monitoring center by wireless wifi communication.
Preferably, described single-chip microcomputer is also connected with displacement transducer, and displacement transducer is used for the distance of monitoring and protecting panel and transformer bottom.
Preferably, described excitation power supply is connected to the input end of Wheatstone bridge, the output terminal of Wheatstone bridge is connected to the first operational amplifier and the second operational amplifier, and the first operational amplifier and the second operational amplifier are for amplifying the monitoring voltage of pressure sensitive module.
Adopt as above technical scheme to obtain Advantageous Effects to be:
Single-chip microcomputer, displacement transducer, pressure sensitive module and signal emission module cooperatively interact, and realize the antitheft of transformer.And protection panel is positioned at transformer bottom, installation site is concealed, is not easily found by people or destroys.This protection equipment for transformer achieve transformer remote monitoring protection, for intelligent grid realize significant.
Accompanying drawing explanation
Fig. 1 is outdoor transformer anti-theft device structured flowchart.
Fig. 2 is pressure sensitive modular circuit schematic diagram.
Embodiment
1 to 2 embodiment of the present utility model is described further by reference to the accompanying drawings:
Outdoor transformer anti-theft device; comprise the protection panel being arranged on transformer bottom; described protection panel is provided with single-chip microcomputer, pressure sensitive module and the signal emission module being connected single-chip microcomputer, and signal emission module is for realizing the communication of single-chip microcomputer and remote monitoring center.Signal emission module connects remote monitoring center by wireless wifi communication.
Pressure sensitive module comprises silicon diaphragm and excitation power supply, silicon diaphragm diffuses into 4 equivalent semiconductor resistors in particular directions and connects into Wheatstone bridge, Wheatstone bridge connects excitation power supply, silicon diaphragm is arranged on bottom four pins of transformer, and pressure sensitive module exports the monitoring voltage be directly proportional to by measuring pressure to single-chip microcomputer.
Excitation power supply is chosen as constant current source or constant pressure source.As shown in Figure 2, excitation power supply is constant current source, constant current source 1 is connected to the input end of Wheatstone bridge 2, the output terminal concatenation operation amplification module 3 of Wheatstone bridge, operation amplifier module comprises the first operational amplifier and the second operational amplifier, and the first operational amplifier and the second operational amplifier are for amplifying the monitoring voltage of pressure sensitive module.
Transformer normal mounting is on pedestal; record the magnitude of voltage that pressure sensitive module exports; when position resolver changes; Wheatstone bridge out of trim; the magnitude of voltage that pressure sensitive module exports changes, and single-chip microcomputer judges that position resolver changes (be namely stolen or destroy), and Single-chip Controlling signal emission module transmits to remote monitoring center; facilitate patrol officer's Timeliness coverage, make the process of shutting down and patrolling and examining.
Single-chip microcomputer is also connected with displacement transducer, and displacement transducer is used for the distance of monitoring and protecting panel and transformer bottom.Displacement transducer is for the protection of the horizontal shift change between panel and transformer, and when distance value is outside set scope, Single-chip Controlling signal emission module transmits to remote monitoring center, facilitates patrol officer's Timeliness coverage.
Protection panel peripheral hardware has seal protection housing.Protection panel is also connected with removable accumulator.Accumulator is also positioned at protect object, in order to avoid outdoor rain damages protection panel.Protection panel also can be arranged the self-monitoring circuit of protection panel, after having device failure, Single-chip Controlling signal emission module transmits to remote monitoring center, facilitates patrol officer to overhaul in time.
Single-chip microcomputer, displacement transducer, pressure sensitive module and signal emission module cooperatively interact, and realize the antitheft of transformer.And protection panel is positioned at transformer bottom, installation site is concealed, is not easily found by people or destroys.
Certainly; more than illustrate and be only preferred embodiment of the present utility model; the utility model is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the guidance of this instructions; made all equivalently to substitute, obvious form of distortion, within the essential scope all dropping on this instructions, protection of the present utility model ought to be subject to.
Claims (4)
1. outdoor transformer anti-theft device, it is characterized in that, comprise the protection panel being arranged on transformer bottom, described protection panel is provided with single-chip microcomputer, pressure sensitive module and the signal emission module being connected single-chip microcomputer, and signal emission module is for realizing the communication of single-chip microcomputer and remote monitoring center;
Described pressure sensitive module comprises silicon diaphragm and excitation power supply, silicon diaphragm diffuses into 4 equivalent semiconductor resistors in particular directions and connects into Wheatstone bridge, Wheatstone bridge connects excitation power supply, silicon diaphragm is arranged on bottom four pins of transformer, and pressure sensitive module exports the monitoring voltage be directly proportional to by measuring pressure to single-chip microcomputer.
2. outdoor transformer anti-theft device according to claim 1, is characterized in that, described signal emission module connects remote monitoring center by wireless wifi communication.
3. outdoor transformer anti-theft device according to claim 1, is characterized in that, described single-chip microcomputer is also connected with displacement transducer, and displacement transducer is used for the distance of monitoring and protecting panel and transformer bottom.
4. outdoor transformer anti-theft device according to claim 1, it is characterized in that, described excitation power supply is connected to the input end of Wheatstone bridge, the output terminal of Wheatstone bridge is connected to the first operational amplifier and the second operational amplifier, and the first operational amplifier and the second operational amplifier are for amplifying the monitoring voltage of pressure sensitive module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521040613.4U CN205211063U (en) | 2015-12-11 | 2015-12-11 | Outdoor transformer anti -theft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521040613.4U CN205211063U (en) | 2015-12-11 | 2015-12-11 | Outdoor transformer anti -theft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205211063U true CN205211063U (en) | 2016-05-04 |
Family
ID=55848767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521040613.4U Expired - Fee Related CN205211063U (en) | 2015-12-11 | 2015-12-11 | Outdoor transformer anti -theft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205211063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107547859A (en) * | 2016-10-25 | 2018-01-05 | 郑州蓝视科技有限公司 | Transformer resistance to movement video frequency monitoring method |
-
2015
- 2015-12-11 CN CN201521040613.4U patent/CN205211063U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107547859A (en) * | 2016-10-25 | 2018-01-05 | 郑州蓝视科技有限公司 | Transformer resistance to movement video frequency monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20161211 |