CN205540076U - Intelligence supervisory circuits - Google Patents
Intelligence supervisory circuits Download PDFInfo
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- CN205540076U CN205540076U CN201520998469.9U CN201520998469U CN205540076U CN 205540076 U CN205540076 U CN 205540076U CN 201520998469 U CN201520998469 U CN 201520998469U CN 205540076 U CN205540076 U CN 205540076U
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Abstract
The utility model relates to an intelligence supervisory circuits, include that the circuit is listened to the temperature, circuit, voltage detection circuit, singlechip, temperature and voltage control circuit are listened to the electric current, the singlechip is through receiving circuit, voltage detection circuit were listened to circuit, electric current signal control temperature and voltage control circuit are listened to the temperature, the temperature is listened the circuit and is connected to form by sensor, triode, electric capacity, two resistance electricity, the sensor is received external signal and is given the singlechip through the total line transmission of I2C. The utility model discloses can not only realize that functional convergence such as complete intelligence is listened, automatically regulated are as an organic whole, and work is light, easy operation.
Description
Technical field
This utility model relates to technical field of electronic control, a kind of intelligent monitoring circuit.
Background technology
Development along with science and technology, the upgrading of industrial control field product is more and more faster, the accident rate that following equipment runs increases the most accordingly, and due to the high density of circuit board, stricter to the requirement in terms of the environmental protection of product, energy-conservation, cost and intelligence now, the requirement for intelligent and energy-conservation aspect is the harshest.For ensureing the properly functioning of these equipment, the electric current of detecting real-time circuit, voltage and temperature so that it is system can completely intelligence reach the function such as detect, be automatically adjusted and combine together, and protection circuit plate safe operation has become increasingly important problem.
Utility model content
For the problems referred to above, the health intelligent supervisory circuit that the functions such as this utility model provides a kind of complete intelligence to detect, be automatically adjusted combine together.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: a kind of intelligent monitoring circuit, including temperature detection circuit, current-sensing circuit, voltage detection circuit, single-chip microcomputer, temperature and voltage control circuit, described single-chip microcomputer is by receiving described temperature detection circuit, current-sensing circuit, the signal control temperature of voltage detection circuit and voltage control circuit；The functions such as described invention can make completely intelligence detect, be automatically adjusted combine together; i.e. when this circuit temperature is too high, electric current is excessive, voltage be no longer required in the range of time disconnecting circuit; thus realize the safe operation of circuit environmental protection and energy saving; and do not worry the result causing circuit board to burn out when temperature is too high or voltage is undesirable, thus reach the mesh ground of effective protection circuit plate safe operation.
As preferably, described temperature detection circuit is made up of sensor, audion, electric capacity, two resistance electrical connections, and described sensor receives external signal and by I2C bus transfer to single-chip microcomputer；Described temperature detection circuit can be used for controlling supply voltage, reduces circuit board power consumption, described I2C bus to arrange the speed of service fast, simple to operate.
As preferably, described voltage detection circuit by gather voltage chips, ADC electrical connection form, described collection voltage chips gathers external voltage signal and after ADC changes, by I2C bus transfer to single-chip microcomputer, described ADC is changed into analog quantity as switching equipment digital quantity, I2C bus is used to make its speed of service fast, simple to operate.
As preferably, described current-sensing circuit by gathering electric current chip, field effect transistor, electric capacity, the electrical connection of three resistance form, described collection electric current chip gathers foreign current signal and after ADC changes, by I2C bus transfer to single-chip microcomputer, described ADC is changed into analog quantity as switching equipment digital quantity, I2C bus is used to make its speed of service fast, simple to operate.
As preferably, described ADC is the analog-digital converter of AD7894AR-10 model, and this kind of model analog-to-digital conversion rate is fast.
As preferably, described single-chip microcomputer passes through I2C bus marco temperature and voltage control circuit, improves the speed of service.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of optimal way of this utility model；
Fig. 2 is the temperature detection circuit figure in this utility model；
Fig. 3 is the voltage detection circuit figure in this utility model；
Fig. 4 is the current-sensing circuit figure in this utility model；
Fig. 5 is the temperature in this utility model and voltage control circuit figure.
Detailed description of the invention
Describing this utility model in detail below in conjunction with Fig. 1 to Fig. 5, at this, illustrative examples of the present utility model and explanation are used for explaining this utility model, but are not intended as restriction of the present utility model.
A kind of intelligent monitoring circuit, including temperature detection circuit 1, current-sensing circuit 2, voltage detection circuit 3, single-chip microcomputer 4, temperature and voltage control circuit 5, described single-chip microcomputer 4 is by receiving described temperature detection circuit 1, current-sensing circuit 2, the signal control temperature of voltage detection circuit 3 and voltage control circuit 5；Working as temperature, electric current, when voltage is undesirable, circuit disconnects, and circuit board does not works.Described temperature detection circuit 1 is made up of sensor 11, audion, electric capacity, two resistance electrical connections, and described sensor 11 receives external signal and by I2C bus transfer to single-chip microcomputer；Described voltage detection circuit 3 is made up of collection voltage chips 31, ADC electrical connection, and described collection voltage chips 31 gathers external voltage signal and after ADC changes, by I2C bus transfer to single-chip microcomputer；Described current-sensing circuit 2 is made up of collection electric current chip 21, field effect transistor, electric capacity, three resistance electrical connections, and described collection electric current chip 21 gathers foreign current signal and after ADC changes, by I2C bus transfer to single-chip microcomputer；Described ADC is the analog-digital converter of AD7894AR-10 model；Described single-chip microcomputer passes through I2C bus marco temperature and voltage control circuit.
In implementation process, described health intelligent control circuit is mainly made up of single-chip microcomputer and some sensors, microcontroller bus is connected to each Management Controller, performs difference in functionality respectively.It is also connected with some I2C devices in bus, is used as the interface of sensor, allow the system management software can be read the data of sensor by bus.Described temperature and voltage control circuit are made up of audion Q3, electric capacity C3, resistance R6, resistance R7, resistance R8, chip 41 electrical connection, when temperature is too high, and electric current is excessive, voltage not in the range of suitably, down circuitry, do not work, prevent circuit board damage.
Described temperature detection circuit is made up of audion Q1, sensor 11, resistance R1, resistance R2 and electric capacity C1 electrical connection, described sensor receives external signal and passes to single-chip microcomputer by I2C bus, single-chip microcomputer by the address of I2C bus protocol determine whether detection whether be temperature, and judge that its temperature is whether in the program limit set by single-chip microcomputer, when its temperature is not in the program limit arranged, circuit disconnects；And Q1 is placed near the chip of circuit board temperature to be detected, it is used for detecting ambient temperature.
Described voltage detection circuit by gather voltage chips 31, ADC electrical connection form, gather voltage chips and gather external voltage signal and after ADC changes, by I2C bus transfer to single-chip microcomputer, whether what single-chip microcomputer judged to detect by the address of I2C agreement is voltage, and judge that its voltage swing is whether in the program limit set by single-chip microcomputer, when its voltage value is not in the program limit arranged, circuit disconnects；Meanwhile, gathering voltage chips can be with voltage multiple on testing circuit plate.
Described current-sensing circuit is by the chip 21 gathering function of current, field effect transistor Q2, resistance R5, resistance R3, resistance R4, electric capacity C2 form, and described collection electric current chip gathers the current signal of current-sensing circuit and after ADC changes, by I2C bus transfer to single-chip microcomputer.When current is excessive, the GATE pin gathering electric current chip controls the G end of field effect transistor Q2, and Q2 disconnects, and circuit disconnects, and power supply VCCIN disconnects, and circuit board does not works；The VCCIN pin and the SENSE pin that gather electric current chip are used for detecting the voltage on R2, and when exceeding some value, GATE pin controls field effect transistor Q2, and circuit disconnects, and circuit board does not works.
The technical scheme provided this utility model embodiment above is described in detail, principle and the embodiment of this utility model embodiment are set forth by specific case used herein, and the explanation of above example is only applicable to the principle helping to understand this utility model embodiment；Simultaneously for one of ordinary skill in the art, according to this utility model embodiment, all will change in detailed description of the invention and range of application, in sum, this specification content should not be construed as restriction of the present utility model.
Claims (6)
1. an intelligent monitoring circuit, it is characterized in that: include temperature detection circuit (1), current-sensing circuit (2), voltage detection circuit (3), single-chip microcomputer (4), temperature and voltage control circuit (5), described single-chip microcomputer (4) is by receiving described temperature detection circuit (1), current-sensing circuit (2), the signal control temperature of voltage detection circuit (3) and voltage control circuit (5).
Intelligent monitoring circuit the most according to claim 1, it is characterized in that: described temperature detection circuit (1) is made up of sensor (11), audion, electric capacity, two resistance electrical connections, and described sensor (11) receives external signal and by I2C bus transfer to single-chip microcomputer (4).
Intelligent monitoring circuit the most according to claim 1, it is characterized in that: described voltage detection circuit (3) is made up of collection voltage chips (31), ADC electrical connection, described collection voltage chips (31) gathers external voltage signal and after ADC changes, by I2C bus transfer to single-chip microcomputer.
Intelligent monitoring circuit the most according to claim 1, it is characterized in that: described current-sensing circuit (2) is made up of collection electric current chip (21), field effect transistor, electric capacity, three resistance electrical connections, described collection electric current chip (21) gathers foreign current signal and after ADC changes, by I2C bus transfer to single-chip microcomputer.
5. according to intelligent monitoring circuit described in claim 3 or 4, it is characterised in that: described ADC is the analog-digital converter of AD7894AR-10 model.
6. according to intelligent monitoring circuit described in claim 2,3 or 4, it is characterised in that: described single-chip microcomputer (4) passes through I2C bus marco temperature and voltage control circuit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998469.9U CN205540076U (en) | 2015-12-03 | 2015-12-03 | Intelligence supervisory circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998469.9U CN205540076U (en) | 2015-12-03 | 2015-12-03 | Intelligence supervisory circuits |
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| Publication Number | Publication Date |
|---|---|
| CN205540076U true CN205540076U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520998469.9U Active CN205540076U (en) | 2015-12-03 | 2015-12-03 | Intelligence supervisory circuits |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120918A (en) * | 2017-08-07 | 2018-06-05 | 鸿秦（北京）科技有限公司 | A kind of chip makes physical destroys online test method and device on effect circuit board |
-
2015
- 2015-12-03 CN CN201520998469.9U patent/CN205540076U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120918A (en) * | 2017-08-07 | 2018-06-05 | 鸿秦（北京）科技有限公司 | A kind of chip makes physical destroys online test method and device on effect circuit board |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410000 room 801, accelerator production workshop, building B1, Haichuang science and Technology Industrial Park, No. 627 Lugu Avenue, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee after: Hunan Xingtian Electronic Technology Co.,Ltd. Address before: 410000 building 7, No. 8, Lugu Lutian Road, high tech Development Zone, Changsha City, Hunan Province Patentee before: HUNAN XING TIAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |