CN205581195U - A cubical switchboard area electrical detection circuitry for middling pressure system - Google Patents
A cubical switchboard area electrical detection circuitry for middling pressure system Download PDFInfo
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- CN205581195U CN205581195U CN201620213187.8U CN201620213187U CN205581195U CN 205581195 U CN205581195 U CN 205581195U CN 201620213187 U CN201620213187 U CN 201620213187U CN 205581195 U CN205581195 U CN 205581195U
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Abstract
The utility model discloses a cubical switchboard area electrical detection circuitry for middling pressure system, including high pressure sensor, electrified display circuit, rectifier circuit, amplifier circuit, opto -coupler module and electromagnetism blocking device, the alternating current signal of high pressure sensor inductive switch cabinet input, high pressure sensor conveys the signal of telecommunication of response to electrified display circuit and rectifier circuit respectively, the resistance R that establishes ties between high pressure sensor and the rectifier circuit, rectifier circuit and amplifier circuit are connected, and amplifier circuit is connected with the opto -coupler module, and the opto -coupler module is connected with electromagnetism blocking device. The utility model discloses driving earlier after the electrified demonstration work the late arrival electromagnetism blocking device through rectifier circuit, amplifier circuit, opto -coupler module, through resistance R's regulation, can using in the high pressure sensor of different capacity, the commonality is stronger, and better completion is electrified to be shown and electromagnetism blocking action.
Description
Technical field
This utility model relates to a kind of testing circuit, particularly to a kind of switch cabinet electrified testing circuit.
Background technology
In today of industrial automation electronic technology high speed development, it is more and more clear that various electronic information are expressed
Intuitively, in terms of switch cabinet electrified display, have various switchgear cabinet comprehensive state indicators etc..They have dynamically
Simulation drawing, charged display, automatic heating and dehumidification controls, humiture and numerical monitor, chopper deciliter
State indicates, and energy storage indicates, and earthed switch state indicates, and carriage device indicates, the intact finger in divide-shut brake loop
Show, the function such as the charged prompting of human body sensing and cabinet intraoral illumination voice anti-fault prompting.Especially three-phase high-voltage is charged
Display and electric-magnetic lock state show even more important, and its more visual representation goes out whether cabinet is in electriferous state,
Or a certain power-down state that is in, whether electromagnetism is in locking, and whether cabinet door can be opened.And now with difference
Cabinet use different high pressure sensor, high-tension exchange point is converted into low-voltage by high pressure sensor,
The amount of capacity of high pressure sensor is not quite similar, according to existing live testing circuit, it is impossible to make high pressure sensor
Having versatility, and low capacity sensor must specify use under specific occasion, even claimed apparatus exists
In the case of secondary dead electricity, the most charged display is normal, and this just requires that we must change original live testing electricity
Road.As it is shown in figure 1, in prior art, the ac signal of high pressure sensor sensing input switch cabinet, defeated
Enter the ac high-voltage signal of the switch cubicle signal of telecommunication after high pressure sensor senses and be sent to live testing circuit,
Large Copacity high pressure sensor directly with the diode rectification that general internal resistance is big, then supplies electricity to three-phase charged aobvious
Show lamp, while lamp is bright, drive optocoupler, optocoupler that signal is flowed to electromagnetic locking device, electric-magnetic lock action,
Normal circuit operation, switch cubicle cannot be opened；And low capacity high pressure sensor cannot pass through the electronics that internal resistance is big
Components and parts, loss current is the biggest, it is impossible to lights charged display lamp and drives optocoupler, needs to select internal resistance little also
And pressure electronic devices and components, circuit realiration bothers, it is impossible to accomplish versatility.
Utility model content
This utility model provides a kind of live testing circuit, can test circuit the most charged and at electriferous state
Lower driving electric-magnetic lock, goes for the high pressure sensor of different capabilities simultaneously, increases the versatility of circuit.
In order to achieve the above object, including high pressure sensor, charged display circuit, rectification circuit, amplification electricity
Road, optical coupling module and electromagnetic locking device, the ac signal of high pressure sensor inductive switch cabinet input is high
The signal of telecommunication of sensing is respectively sent to charged display circuit and rectification circuit by pressure sensor, high pressure sensor and
Connect between rectification circuit a resistance R, and rectification circuit is connected with amplifying circuit, amplifying circuit and optical coupling module
Connecting, optical coupling module is connected with electromagnetic locking device.High pressure sensor will sense the exchange from input switch cabinet
The signal of telecommunication of electricity is divided into two-way transmission, a road to be used for driving charged display circuit, and resistance R of separately leading up to passes
Delivering to rectification circuit, after being amplified by rectification, the signal of telecommunication is sent to optical coupling module, and optocoupler sends circuit to
Electromagnetic locking device, electric-magnetic lock action, door of switch cabinet lock.
Further also including anti-jamming circuit, ac signal is sent to resistance after first passing through anti-jamming circuit
R。
Resistance R described further is variable resistance.The most described rectification circuit is bridge rectifier electricity
Road.
This utility model simple in construction, circuit structure is clear and concise, and circuit stability is anti-interference, and general
Property strong, be adapted to the high pressure sensor of different capabilities.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of prior art breaker in middle cabinet live testing circuit
Fig. 2 is the structured flowchart of live testing on switch cabinet circuit described in the utility model
Fig. 3 is this utility model circuit theory diagrams
Reference in figure is respectively as follows: 1. high pressure sensors；The most charged display circuit；3. anti-jamming circuit；4. electricity
Resistance R；5. rectification circuit；6. amplifying circuit；7. optical coupling module；8. electromagnetic locking device.
Detailed description of the invention
As in figure 2 it is shown, this utility model include high pressure sensor 1, charged display circuit 2, rectification circuit 5,
Amplifying circuit 6, optical coupling module 7 and electromagnetic locking device 8, the friendship of high pressure sensor 1 inductive switch cabinet input
The stream signal of telecommunication, the signal of telecommunication of sensing is respectively sent to charged display circuit 2 and rectified current by high pressure sensor 1
Road 5, connect between high pressure sensor 1 and rectification circuit 5 a resistance R 4, rectification circuit 5 and amplification electricity
Road 6 connects, and amplifying circuit 6 is connected with optical coupling module 7, and optical coupling module 7 is connected with electromagnetic locking device 8.
Sensing is divided into two-way transmission, a road to be used for driving charged from the input electrical signal of switch cubicle by high pressure sensor 1
Display circuit 2, resistance R 4 of separately leading up to is sent to rectification circuit 5, after being amplified, the signal of telecommunication by rectification
Being sent to optical coupling module 7, optocoupler sends electromagnetic locking device 8, electric-magnetic lock action, switch to the signal of telecommunication
Cabinet cabinet door lock post.The signal of telecommunication that high pressure sensor 1 induces first acts on charged display circuit 2 so that it is charged
Instruction is first the most light, when using the high pressure sensor of low capacity, then by increasing the electricity in series circuit
Resistance R 4 resistance, raises the supply terminals position of rectification circuit 5, then improves the electric current of amplifying circuit 6 so that it is lead
Logical ability is bigger, and optocoupler is driven, electric-magnetic lock action；When using jumbo high pressure sensor, then
Reduce the resistance of resistance R4, make signal shunt, thus complete to reach the driving signal that optocoupler needs.
Further also include that anti-jamming circuit 3, the signal of telecommunication of high pressure sensor 1 output first pass through anti-interference electricity
Resistance R4 it is sent to behind road 3.Owing to the signal of high pressure sensor 1 output there may be interference, by anti-dry
Disturb circuit 3 and can increase the capacity of resisting disturbance of circuit, complete electric-magnetic lock action accurately.
Resistance R4 described further is variable resistance.The most described rectification circuit 5 is bridge rectifier
Circuit.By the resistance size of variable resistance regulation series resistance R, regulate circuit easily, complete respectively
Plant the coupling of capacity high sensor, make circuit versatility higher.
As Fig. 3 is a kind of preferred implementation circuit theory diagrams of the present utility model, due to high pressure sensor 1
Sensing the signal of telecommunication be three-phase alternating current, Gu electricity Lu Shuruduankou has three inputs, and three circuit are phases
Same circuit, described charged display circuit 2 is made up of, from extensive self-recoverage insurance resistance and light emitting diode
Double insurance resistance and light emitting diode series connection；The signal exported by high pressure sensor is respectively transmitted to self-recoverage and protects
Danger resistance and anti-jamming circuit 3, anti-jamming circuit 3 is connected with bridge rectifier by resistance R4, bridge-type
Two outfans of rectification circuit are connected with base stage and the emitter stage of the audion in amplifying circuit 6 respectively, and three
The colelctor electrode of pole pipe outputs signal to the respective input of optical coupling module 7, and optical coupling module 7 uses the model to be
The opto-coupler chip of TLP521-4, opto-coupler chip outputs signal to electromagnetic locking device 8, electric-magnetic lock action,
Pin door of switch cabinet, add the prompting of emitting LED above, complete live testing function,
And cabinet door lock is lived.
Above in conjunction with accompanying drawing, this utility model is exemplarily described, it is clear that this utility model implements
It is not subject to the restrictions described above, as long as have employed the various improvement that technical solutions of the utility model are carried out, or
The most improved that directly apply to other occasion, all within protection domain of the present utility model.
Claims (4)
1. the switch cabinet electrified testing circuit for medium voltage network, it is characterised in that: include high pressure sensor,
Charged display circuit, rectification circuit, amplifying circuit, optical coupling module and electromagnetic locking device, high pressure senses
The ac signal of device inductive switch cabinet input, the signal of telecommunication of sensing is respectively sent to band by high pressure sensor
Electricity display circuit and rectification circuit, connect between high pressure sensor and rectification circuit a resistance R, rectification
Circuit is connected with amplifying circuit, and amplifying circuit is connected with optical coupling module, optical coupling module and electromagnetic locking device
Connect.
A kind of switch cabinet electrified testing circuit for medium voltage network, it is characterised in that:
Also including anti-jamming circuit, ac signal is sent to resistance R after first passing through anti-jamming circuit.
A kind of switch cabinet electrified testing circuit for medium voltage network, it is characterised in that:
Described resistance R is variable resistance.
A kind of switch cabinet electrified testing circuit for medium voltage network, it is characterised in that:
Described rectification circuit is bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213187.8U CN205581195U (en) | 2016-03-18 | 2016-03-18 | A cubical switchboard area electrical detection circuitry for middling pressure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213187.8U CN205581195U (en) | 2016-03-18 | 2016-03-18 | A cubical switchboard area electrical detection circuitry for middling pressure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205581195U true CN205581195U (en) | 2016-09-14 |
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ID=56868602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620213187.8U Active CN205581195U (en) | 2016-03-18 | 2016-03-18 | A cubical switchboard area electrical detection circuitry for middling pressure system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205581195U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717741A (en) * | 2018-07-09 | 2018-10-30 | 深圳市长龙鑫电子有限公司 | A kind of intelligent industrial electronic lock system |
| CN114137285A (en) * | 2021-11-24 | 2022-03-04 | 广东电网有限责任公司 | Charged display |
-
2016
- 2016-03-18 CN CN201620213187.8U patent/CN205581195U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717741A (en) * | 2018-07-09 | 2018-10-30 | 深圳市长龙鑫电子有限公司 | A kind of intelligent industrial electronic lock system |
| CN114137285A (en) * | 2021-11-24 | 2022-03-04 | 广东电网有限责任公司 | Charged display |
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| GR01 | Patent grant |