CN204576712U - A kind of box-type substation prized up-proof door alarm - Google Patents
A kind of box-type substation prized up-proof door alarm Download PDFInfo
- Publication number
- CN204576712U CN204576712U CN201520215427.3U CN201520215427U CN204576712U CN 204576712 U CN204576712 U CN 204576712U CN 201520215427 U CN201520215427 U CN 201520215427U CN 204576712 U CN204576712 U CN 204576712U
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- Prior art keywords
- prized
- box
- circuit
- type substation
- proof door
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Abstract
The utility model discloses a kind of box-type substation prized up-proof door alarm.Comprise: power circuit: it will be input as alternating current, export as direct current; Trigger circuit: when described box-type substation prized up-proof door detector switch any one be in closure state time, described trigger circuit output low level; When the prized up-proof door detector switch of described box-type substation is all in open mode, described trigger circuit export high level; Oscillatory circuit: its input end is electrically connected with the output terminal of trigger circuit, when receiving the high level of automatic triggering circuit, oscillatory circuit output audio signal; Audio amplifier circuit: its input end is electrically connected with the output terminal of oscillatory circuit, the sound signal that audio amplifier circuit is used for self-oscillating circuit is in the future amplified, and exports through loudspeaker.The beneficial effects of the utility model are: effectively can monitor the opening and closing situation of box-type substation prized up-proof door, thus avoid box station inner body by the situation of stealing.
Description
Technical field
The utility model relates to a kind of anti-theft device, particularly a kind of box-type substation prized up-proof door alarm.
Background technology
Box-type substation is a kind of high-tension switch gear, substation transformer and low-voltage distribution equipment, by indoor, the outdoor close-coupled controller switching equipment of certain connection plan row's all-in-one-piece prefabrication, organically combine by functions such as high powered, transformer pressure-reducing, low-voltage distributions, be arranged in a protection against the tide, antirust, dust-proof, protection against rodents, fire prevention, antitheft, heat insulation, totally-enclosed, moveable steel construction casing, electromechanical integration, totally-enclosed operation, be specially adapted to urban network construction and upgradation, a kind of brand-new transformer station emerged after Shi Ji civil engineering transformer station.
In recent years, the situations such as box station inside cable, copper bar, electrical part, transformer coil are relatively serious, bring have a strong impact on to the work of unit and resident and life.
Therefore, a kind ofly can effectively to monitor the opening and closing situation of box-type substation prized up-proof door, and the box-type substation prized up-proof door alarm that can carry out warning when the prized up-proof door of box-type substation is opened becomes the key of dealing with problems.
Utility model content
The purpose of this utility model is to provide a kind of box-type substation prized up-proof door alarm, can effectively monitor the opening and closing situation of box-type substation prized up-proof door, and can warn when the prized up-proof door of box-type substation is opened.
For achieving the above object, the utility model adopts following technical scheme, and a kind of box-type substation prized up-proof door alarm, comprising:
Power circuit, it will be input as alternating current, export as direct current, for providing DC supply for box-type substation prized up-proof door alarm;
Trigger circuit, be provided with in described trigger circuit and organize limit switch more, the prized up-proof door one_to_one corresponding of described limit switch and box-type substation, when the prized up-proof door of described box-type substation is all in closure state, limit switch is all in off-state, described trigger circuit output low level; When any one prized up-proof door of described box-type substation is in open mode, corresponding limit switch is in closure state, and described trigger circuit export high level;
Oscillatory circuit, its input end is electrically connected with the output terminal of trigger circuit, when receiving the high level of automatic triggering circuit, oscillatory circuit output audio signal;
Audio amplifier circuit, its input end is electrically connected with the output terminal of oscillatory circuit, and the sound signal that audio amplifier circuit is used for self-oscillating circuit is in the future amplified, and exports through loudspeaker.
Preferably, be provided with in described trigger circuit and organize limit switch more, the prized up-proof door one_to_one corresponding of described limit switch and box-type substation, when the prized up-proof door of described box-type substation is all in closure state, limit switch is all in off-state, the input high level of the Sheffer stroke gate be electrically connected with limit switch, the output low level of not gate, i.e. described trigger circuit output low level; When any one prized up-proof door of described box-type substation is in open mode, corresponding limit switch is in closure state, the input low level of the Sheffer stroke gate be electrically connected with limit switch, the output high level of not gate, and described trigger circuit export high level.
Preferably, in described oscillatory circuit, be provided with ring oscillator, ring oscillator is made up of with resistance and electric capacity two not gates.
Preferably, described audio amplifier circuit is provided with triode, and sound signal is amplified and exported via loudspeaker by triode.
Preferably, in described audio amplifier circuit, be provided with divider resistance, make voltage be down to usable levels.
Preferably, in described power circuit, be provided with divider resistance, make voltage be down to usable levels.
The beneficial effects of the utility model are: can effectively monitor the opening and closing situation of box-type substation prized up-proof door, and can warn when the prized up-proof door of box-type substation is opened, thus avoid box station inside cable, copper bar, electrical part, transformer coil etc. by pilferage situation, and then work and the life of unit and resident are ensured.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of box-type substation prized up-proof door of the utility model alarm.
Embodiment
Below in conjunction with accompanying drawing, utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
As shown in Figure 1, a kind of box-type substation prized up-proof door alarm, comprising: power circuit, it will be input as alternating current, export as direct current, for providing DC supply for box-type substation prized up-proof door alarm; Trigger circuit, be provided with in described trigger circuit and organize limit switch more, the prized up-proof door one_to_one corresponding of described limit switch and box-type substation, when the prized up-proof door of described box-type substation is all in closure state, limit switch is all in off-state, described trigger circuit output low level; When any one prized up-proof door of described box-type substation is in open mode, corresponding limit switch is in closure state, and described trigger circuit export high level; Oscillatory circuit, its input end is electrically connected with the output terminal of trigger circuit, when receiving the high level of automatic triggering circuit, oscillatory circuit output audio signal; Audio amplifier circuit, its input end is electrically connected with the output terminal of oscillatory circuit, and the sound signal that audio amplifier circuit is used for self-oscillating circuit is in the future amplified, and exports through loudspeaker BL.
In use procedure, when the prized up-proof door of described box-type substation is all in closure state, limit switch is all in off-state, described trigger circuit output low level; When any one prized up-proof door of described box-type substation is in open mode, corresponding limit switch is in closure state, and described trigger circuit export high level.When oscillatory circuit receives the high level of automatic triggering circuit, oscillatory circuit output audio signal; The sound signal of audio amplifier circuit self-oscillating circuit in future is amplified, and exports through loudspeaker BL.The prized up-proof door of prompting box-type substation is unlocked.
In another embodiment, to be provided with five groups of prized up-proof doors, five groups of limit switches (XK1, XK2, XK3, XK4 and XK5) are provided with in described trigger circuit, the prized up-proof door one_to_one corresponding of described limit switch (XK1, XK2, XK3, XK4 and XK5) and box-type substation, when the prized up-proof door of described box-type substation is all in closure state, limit switch is all in off-state, the input high level of the Sheffer stroke gate D1 be electrically connected with limit switch, the output low level of not gate D1, i.e. described trigger circuit output low level; When any one prized up-proof door of described box-type substation is in open mode, corresponding limit switch is in closure state, the input low level of the Sheffer stroke gate D1 be electrically connected with limit switch, the output high level of not gate D1, and described trigger circuit export high level.
In another embodiment, in described oscillatory circuit, be provided with ring oscillator, ring oscillator is made up of Sheffer stroke gate D2, Sheffer stroke gate D3, resistance R2 and electric capacity C.
In another embodiment, described audio amplifier circuit is provided with triode T, and sound signal is amplified and exported via loudspeaker BL by triode T.
In another embodiment, in described audio amplifier circuit, be provided with divider resistance R3, make voltage be down to usable levels.
In another embodiment, in described power circuit, be provided with divider resistance R1, make voltage be down to usable levels.
As mentioned above, a kind of box-type substation prized up-proof door of the utility model alarm, can effectively monitor the opening and closing situation of box-type substation prized up-proof door, and can warn when the prized up-proof door of box-type substation is unlocked, thus avoid box station inside cable, copper bar, electrical part, transformer coil etc. by pilferage situation, and then work and the life of unit and resident are ensured.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (6)
1. a box-type substation prized up-proof door alarm, is characterized in that, comprising:
Power circuit, it will be input as alternating current, export as direct current, for providing DC supply for box-type substation prized up-proof door alarm;
Trigger circuit, be provided with in described trigger circuit and organize limit switch more, the prized up-proof door one_to_one corresponding of described limit switch and box-type substation, when the prized up-proof door of described box-type substation is all in closure state, limit switch is all in off-state, described trigger circuit output low level; When any one prized up-proof door of described box-type substation is in open mode, corresponding limit switch is in closure state, and described trigger circuit export high level;
Oscillatory circuit, its input end is electrically connected with the output terminal of trigger circuit, when receiving the high level of automatic triggering circuit, oscillatory circuit output audio signal;
Audio amplifier circuit, its input end is electrically connected with the output terminal of oscillatory circuit, and the sound signal that audio amplifier circuit is used for self-oscillating circuit is in the future amplified, and exports through loudspeaker.
2. box-type substation prized up-proof door alarm according to claim 1, it is characterized in that: be provided with in described trigger circuit and organize limit switch more, the prized up-proof door one_to_one corresponding of described limit switch and box-type substation, when the prized up-proof door of described box-type substation is all in closure state, limit switch is all in off-state, the input high level of the Sheffer stroke gate be electrically connected with limit switch, the output low level of not gate, i.e. described trigger circuit output low level; When described box-type substation prized up-proof door any one be in open mode time, corresponding limit switch is in closure state, the input low level of Sheffer stroke gate be electrically connected with limit switch, the output high level of not gate, described trigger circuit output high level.
3. box-type substation prized up-proof door alarm according to claim 1 and 2, is characterized in that: in described oscillatory circuit, be provided with ring oscillator, and ring oscillator is made up of with resistance and electric capacity two not gates.
4. box-type substation prized up-proof door alarm according to claim 3, is characterized in that: described audio amplifier circuit is provided with triode, and sound signal is amplified and exported via loudspeaker by triode.
5. box-type substation prized up-proof door alarm according to claim 1 and 2, is characterized in that: in described audio amplifier circuit, be provided with divider resistance, makes voltage be down to usable levels.
6. box-type substation prized up-proof door alarm according to claim 1 and 2, is characterized in that: in described power circuit, be provided with divider resistance, makes voltage be down to usable levels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215427.3U CN204576712U (en) | 2015-04-09 | 2015-04-09 | A kind of box-type substation prized up-proof door alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215427.3U CN204576712U (en) | 2015-04-09 | 2015-04-09 | A kind of box-type substation prized up-proof door alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204576712U true CN204576712U (en) | 2015-08-19 |
Family
ID=53869318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520215427.3U Expired - Fee Related CN204576712U (en) | 2015-04-09 | 2015-04-09 | A kind of box-type substation prized up-proof door alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204576712U (en) |
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2015
- 2015-04-09 CN CN201520215427.3U patent/CN204576712U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20150819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |