CN109961615A - A kind of anti-leak control circuit - Google Patents
A kind of anti-leak control circuit Download PDFInfo
- Publication number
- CN109961615A CN109961615A CN201910144638.5A CN201910144638A CN109961615A CN 109961615 A CN109961615 A CN 109961615A CN 201910144638 A CN201910144638 A CN 201910144638A CN 109961615 A CN109961615 A CN 109961615A
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- CN
- China
- Prior art keywords
- alarm
- controller
- leakage current
- leakage
- control circuit
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- 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.)
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
Abstract
The invention discloses a kind of anti-leak control circuits, including circuit-under-test, for generating leakage current；Detection circuit, for detecting the circuit-under-test and generating detection signal according to the leakage current；Controller issues control signal for being electrically connected with the detection circuit, and according to the detection signal；Alarm for being electrically connected with the controller, and is issued according to the control signal and is alarmed.The present invention is based on a variety of detection means, the detection to current leakage is realized.The contents such as the different display information of alarm mode and display are arranged in alternative sounds, flash mode by the way that alarm is arranged, prompt related personnel's different type, the alert situation of rank.When general alert occurs, situation is recorded, when serious alert occurs, reminds related personnel in time.
Description
Technical field
The present invention relates to control electrical technologies, and in particular to a kind of anti-leak control circuit.
Background technique
With the high speed development of the technologies such as chip, semiconductor and growing to even greater heights for the market demand.Electrical component develops into
Highgrade integration, and the power consumption as caused by the leakage current in component increases, and the information about leakage current becomes very heavy
It wants.
It in general, include having the transistor of various threshold voltages to realize high speed operation in circuit.These transistors
Leakage current according to threshold voltage variation and have big deviation.Efficient power management is such as carried out, needs to be closed
In the information of accurate leakage current.In general, can be based on the delay because of circuit operation caused by leakage current or using to leakage
The amplification of electric current measures leakage current.However, these methods may be because of testing time and the test for measuring leakage current
Circuit area is excessive and is not suitable for all circuit systems.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of anti-leaks for monitoring liquid leakage
Control circuit.
The present invention realizes that the technical solution of above-mentioned technical purpose is as follows:
A kind of anti-leak control circuit, comprising:
Circuit-under-test, for generating leakage current；
Detection circuit, for detecting the circuit-under-test and generating detection signal according to the leakage current；
Controller issues control signal for being electrically connected with the detection circuit, and according to the detection signal；
Alarm for being electrically connected with the controller, and is issued according to the control signal and is alarmed.
Further, the controller is also used to be arranged default first predetermined current threshold, when the leakage current is greater than
When equal to first predetermined current threshold, the controller is controlled the alarm and is alarmed with the first alarm mode.
Further, the controller is also used to be arranged preset second level current threshold, when the leakage current is greater than
When equal to second predetermined current threshold, the controller records current value and the time of the leakage current.Described second
Predetermined current threshold is less than first predetermined current threshold.
Further, the alarm includes at least loudspeaker；The sending alarm, including issued by the loudspeaker
Alarm song, the alarm song increase with the leakage current and are increased.
Further, the controller is also used to that preset time threshold is arranged, when the leakage current is more than or equal to described
When the time of second predetermined current threshold is more than the preset time threshold, the controller controls the alarm with the second report
Alert mode alarm.
Further, the circuit-under-test includes multiple measured devices；All measured devices are all connected to tracking section
Point, each of all described measured devices have different leakage characteristics；When any one described measured device generates leakage
When electric current, the tracking node generates different leakage voltage signals according to the leakage current that the different measured devices generates
And it is sent to the detection circuit.
Further, the detection circuit further includes comparator；The comparator is used for by believing the leakage voltage
Number the voltage level and target voltage be compared to generate comparison signal, the detection circuit is also used to based on the ratio
The detection signal is generated compared with signal.
It further, further include the display being electrically connected with the controller；The display is used for according to the leakage
Voltage signal display generates the measured device serial number of leakage current.
The present invention is based on a variety of detection means, the detection to current leakage is realized.By setting alarm not in unison
Sound, flash mode are arranged the contents such as the different display information of alarm mode and display, prompt related personnel's different type,
The alert situation of rank.When general alert occurs, situation is recorded, when serious alert occurs, is reminded in time related
Personnel.
Detailed description of the invention
Fig. 1 is a kind of configuration diagram of anti-leak control circuit of the present invention.
Fig. 2 is a kind of flow diagram of embodiment in the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
As shown in Fig. 1, a kind of anti-leak control circuit, comprising:
Circuit-under-test, for generating leakage current；
Detection circuit, for detecting circuit-under-test and generating detection signal according to leakage current；
Controller issues control signal for being electrically connected with detection circuit, and according to detection signal；
Alarm issues alarm for being electrically connected with the controller, and according to control signal.
As shown in Figure 2, it is preferable that controller is also used to be arranged default first predetermined current threshold, when leakage current is greater than
When equal to the first predetermined current threshold, controller control alarm is alarmed with the first alarm mode.
Preferably, controller is also used to be arranged preset second level current threshold, when leakage current is more than or equal to second in advance
If when current threshold, controller records current value and the time of leakage current.Second predetermined current threshold is less than the first default electricity
Flow threshold value.
Preferably, alarm includes at least loudspeaker；Alarm is issued, including is sounded the alarm by loudspeaker, alarm song
Increase with leakage current and increases.
Preferably, controller is also used to that preset time threshold is arranged, when leakage current is more than or equal to the second predetermined current threshold
When the time of value is more than preset time threshold, controller control alarm is alarmed with the second alarm mode.
Preferably, circuit-under-test includes several measured devices for being provided with corresponding independent serial number；All measured devices
It is all connected to tracking node, each of all measured devices have different leakage characteristics；
When any one measured device generates leakage current, tracking node is raw according to the leakage current that different measured devices generates
At different leakage voltage signals and it is sent to detection circuit.
Preferably, detection circuit further includes comparator；
Comparator is used for by being compared to the voltage level of leakage voltage signal and target voltage to generate comparison signal,
Detection circuit is also used to generate detection signal based on comparison signal.
Anti-leak control circuit further includes the display being electrically connected with the controller；
Display is used to show the measured device serial number for generating leakage current according to leakage voltage signal.
Illustrate and show the aspect of exemplary embodiment in the drawings according to mac function, unit and/or module.Affiliated neck
It is in domain it should be understood to the one skilled in the art that these blocks, unit and/or module be by using based on the manufacturing technology of semiconductor or its
His manufacturing technology is physically realized come following electronics (or optics) circuit formed: logic circuit, discrete component, micro process
Device, hard-wired circuit, memory assembly, wiring connection etc..
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of anti-leak control circuit characterized by comprising
Circuit-under-test, for generating leakage current；
Detection circuit, for detecting the circuit-under-test and generating detection signal according to the leakage current；
Controller issues control signal for being electrically connected with the detection circuit, and according to the detection signal；
Alarm for being electrically connected with the controller, and is issued according to the control signal and is alarmed.
2. anti-leak control circuit according to claim 1, it is characterised in that: the controller is also used to be arranged default
First predetermined current threshold, when the leakage current is more than or equal to first predetermined current threshold, the controller control
The alarm is alarmed with the first alarm mode.
3. anti-leak control circuit according to claim 2, it is characterised in that: the controller is also used to be arranged default
Second predetermined current threshold, when the leakage current is more than or equal to second predetermined current threshold, the controller record
The current value of the leakage current and time, second predetermined current threshold are less than first predetermined current threshold.
4. anti-leak control circuit according to claim 1 to 3, it is characterised in that: the alarm, which includes at least, to be expanded
Sound device；Sending alarm, including sounded the alarm by the loudspeaker, the alarm song increase with the leakage current and
Increase.
5. anti-leak control circuit according to claim 4, it is characterised in that: the controller is also used to be arranged default
Time threshold is more than the preset time threshold when the time that the leakage current is more than or equal to second predetermined current threshold
When, the controller is controlled the alarm and is alarmed with the second alarm mode.
6. anti-leak control circuit according to claim 1, it is characterised in that: the circuit-under-test includes several settings
There is the measured device of corresponding independent serial number；All measured devices are all connected to tracking node, all measured devices
Each of have different leakage characteristics；When any one described measured device generates leakage current, the tracking node
Different leakage voltage signals is generated according to the leakage current that the different measured devices generates and is sent to the detection electricity
Road.
7. anti-leak control circuit according to claim 6, it is characterised in that: the detection circuit further includes comparator；
The comparator is used for by being compared to the voltage level of the leakage voltage signal and target voltage to generate ratio
Compared with signal, the detection circuit is also used to signal based on the comparison and generates the detection signal.
8. anti-leak control circuit according to claim 7, it is characterised in that: further include being electrically connected with the controller
Display；The display is used to show the measured device serial number for generating leakage current according to the leakage voltage signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910144638.5A CN109961615A (en) | 2019-02-27 | 2019-02-27 | A kind of anti-leak control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910144638.5A CN109961615A (en) | 2019-02-27 | 2019-02-27 | A kind of anti-leak control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109961615A true CN109961615A (en) | 2019-07-02 |
Family
ID=67023669
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910144638.5A Pending CN109961615A (en) | 2019-02-27 | 2019-02-27 | A kind of anti-leak control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763810A (en) * | 2020-12-28 | 2021-05-07 | 河北科技师范学院 | Electromagnetic leakage detection device for computer digital video information |
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Application publication date: 20190702 |