CN204331371U - There is the Automation Control Instruments of warning function - Google Patents
There is the Automation Control Instruments of warning function Download PDFInfo
- Publication number
- CN204331371U CN204331371U CN201420849526.2U CN201420849526U CN204331371U CN 204331371 U CN204331371 U CN 204331371U CN 201420849526 U CN201420849526 U CN 201420849526U CN 204331371 U CN204331371 U CN 204331371U
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- sensor interface
- control chip
- interface
- electrically connected
- liquid level
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- Expired - Fee Related
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Abstract
The utility model provides a kind of Automation Control Instruments with warning function, it comprises meter body, meter body side is provided with cover lock, meter body front panel is provided with 3 signal input interfaces, temperature sensor interface, pressure transducer and liquid level sensor interface, on meter body rear panel, the interface of corresponding front panel is provided with 3 signal output interfaces, power supply and hummer, power supply is connected with power module, hummer is connected with warning device, 3 signal input interfaces are corresponding with the signal input interface in circuit board respectively, 3 signal output interfaces are corresponding with the communication interface in circuit board and signal output interface respectively, temperature sensor interface, pressure transducer and liquid level sensor interface respectively with the temperature sensor interface in circuit board, pressure transducer is corresponding with liquid level sensor interface, the utility model can solve control chip fluctuation of service, the inaccurate problem of reporting to the police that prior art exists.
Description
Technical field
The utility model relates to Automation Control Instruments, specifically a kind of Automation Control Instruments with warning function.
Background technology
In existing Automation Control Instruments, control chip is, after signal being input to input interface, the signal transacting of acquisition is carried out digital-to-analogue conversion by D/A module again, then signal is transported to signal output and carries out corresponding operating, realizes automatically controlling object.When Automation Control Instruments in use, because control chip namely will by number conversion again after acquisition signal transacting, control the operation of warning device again, if the program in auto-controller occurs that entanglement just directly affects the warning function of warning device, cause the generation of industrial accident.
Utility model content
The purpose of this utility model is to provide a kind of Automation Control Instruments with warning function, and it can solve control chip fluctuation of service, the inaccurate problem of reporting to the police that prior art exists.
The purpose of this utility model is achieved through the following technical solutions: the Automation Control Instruments with warning function, it comprises meter body, meter body side is provided with cover lock, meter body front panel is provided with 3 signal input interfaces, temperature sensor interface, pressure transducer and liquid level sensor interface, on meter body rear panel, the interface of corresponding front panel is provided with 3 signal output interfaces, power supply and hummer, power supply is connected with power module, hummer is connected with warning device, 3 signal input interfaces are corresponding with the signal input interface in circuit board respectively, 3 signal output interfaces are corresponding with the communication interface in circuit board and signal output interface respectively, temperature sensor interface, pressure transducer and liquid level sensor interface respectively with the temperature sensor interface in circuit board, pressure transducer is corresponding with liquid level sensor interface, 3 signal input interfaces in described circuit board are electrically connected with data acquisition A D module respectively, data acquisition A D module is electrically connected with the first control chip, first control chip transforms D/A module by two digital-to-analogues and is electrically connected with signal output interface, the output terminal of the first control chip is electrically connected with communication interface, and the upper and lower side of the first control chip is electrically connected with display unit, storer and keyboard unit respectively, in the utility model Automation Control Instruments circuit, the other end is provided with the second control chip, second control chip one end is electrically connected with warning device 4, the second control chip other end is electrically connected with gating circuit one end by data acquisition A D module, second control chip controls gating circuit, and the other end of gating circuit is electrically connected with temperature sensor interface, pressure sensor interface, liquid level sensor interface respectively.Described first control chip and the second control chip all adopt model to be the single-chip microcomputer of AT89C51-12PI.It is independently warning device that the second control chip in circuit board controls warning device, the second control chip in circuit board is electrically connected with temperature sensor interface, pressure sensor interface, liquid level sensor interface respectively by gating circuit, realizes the monitoring alarm of temperature, pressure, liquid level.
The advantage with the Automation Control Instruments of warning function of the present utility model is: control warning device owing to adopting independent control chip, namely ensure that the control chip of instrument automatic control is stable, turn improve warning accuracy, utilize gating circuit switched input signal to reduce production cost, simplify circuit structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model; Fig. 2 is the schematic block circuit diagram of Fig. 1.
Embodiment
A kind of Automation Control Instruments with warning function of the present utility model, it comprises meter body 1, meter body 1 side is provided with cover lock 2, meter body 1 front panel is provided with 3 signal input interfaces 6, temperature sensor interface 12, pressure transducer 11 and liquid level sensor interface 10, on meter body 1 rear panel, the interface of corresponding front panel is provided with 3 signal output interfaces 7, power supply 8 and hummer 9, power supply 8 is connected with power module 5, hummer 9 is connected with warning device 4, 3 signal input interfaces 6 are corresponding with the signal input interface in circuit board 3 respectively, 3 signal output interfaces 7 are corresponding with the communication interface in circuit board 3 and signal output interface respectively, temperature sensor interface 12, pressure transducer 11 and liquid level sensor interface 10 respectively with the temperature sensor interface in circuit board 3, pressure transducer is corresponding with liquid level sensor interface, shown in Fig. 2,3 signal input interfaces in circuit board 3 are electrically connected with data acquisition A D module respectively, data acquisition A D module is electrically connected with the first control chip, first control chip transforms D/A module by two digital-to-analogues and is electrically connected with signal output interface, the output terminal of the first control chip is electrically connected with communication interface, the upper and lower side of the first control chip respectively with display unit, deposit, reservoir and keyboard unit be electrically connected, in the utility model Automation Control Instruments circuit, the other end is provided with the second control chip, second control chip one end is electrically connected with warning device 4, the second control chip other end is electrically connected with gating circuit one end by data acquisition A D module, second control chip controls gating circuit, and the other end of gating circuit is electrically connected with temperature sensor interface, pressure sensor interface, liquid level sensor interface respectively.The model that described first control chip and the second control chip all adopt is the single-chip microcomputer of AT89C51-12PI.
When the utility model uses, the signal that signal input interface obtains is supplied to the first control chip and uses after data acquisition A D module converter, after the first control chip process, transform D/A module 16 by digital-to-analogue carry out digital-to-analogue conversion, finally export signal output interface to and carry out operation realization control automatically; The signal of the temperature sensor interface in described warning circuit, pressure sensor interface, liquid level sensor interface is by the second control chip control treatment after gating circuit and data acquisition A D module, and the hummer 9 signal being sent to warning device is reported to the police.The utility model controls warning device owing to have employed independently the second control chip, make the operation of the second control chip more stable, the second control chip in Multifunctional automation control instrument of the present utility model can also be used for the monitoring alarm of temperature, pressure, liquid level, realizes multi-functional object; Owing to adopting gating circuit switched input signal, namely save the control stiffness that cost turn improves the second control chip.The non-detailed description of the utility model is known technology.
Claims (3)
1. there is the Automation Control Instruments of warning function, it comprises meter body (1), it is characterized in that: meter body (1) side is provided with cover lock (2), meter body (1) front panel is provided with 3 signal input interfaces (6), temperature sensor interface (12), pressure transducer (11) and liquid level sensor interface (10), on meter body (1) rear panel, the interface of corresponding front panel is provided with 3 signal output interfaces (7), power supply (8) and hummer (9), power supply (8) is connected with power module (5), hummer (9) is connected with warning device (4), 3 signal input interfaces (6) are corresponding with the signal input interface in circuit board (3) respectively, 3 signal output interfaces (7) are corresponding with the communication interface in circuit board (3) and signal output interface respectively, temperature sensor interface (12), pressure transducer (11) and liquid level sensor interface (10) respectively with the temperature sensor interface in circuit board 3, pressure transducer is corresponding with liquid level sensor interface, 3 signal input interfaces in described circuit board (3) are electrically connected with data acquisition A D module respectively, data acquisition A D module is electrically connected with the first control chip, first control chip transforms D/A module by two digital-to-analogues and is electrically connected with signal output interface, the output terminal of the first control chip is electrically connected with communication interface, and the upper and lower side of the first control chip is electrically connected with display unit, storer and keyboard unit respectively, in the utility model Automation Control Instruments circuit, the other end is provided with the second control chip, second control chip one end is electrically connected with warning device (4), the second control chip other end is electrically connected with gating circuit one end by data acquisition A D module, second control chip controls gating circuit, and the other end of gating circuit is electrically connected with temperature sensor interface, pressure sensor interface, liquid level sensor interface respectively.
2. the Automation Control Instruments with warning function according to claim 1, is characterized in that: described first control chip and the second control chip all adopt model to be the single-chip microcomputer of AT89C51-12PI.
3. the Automation Control Instruments with warning function according to claim 1, it is characterized in that: the second control chip in circuit board (3) controls warning device for independently warning device (4), the second control chip in circuit board (3) is electrically connected with temperature sensor interface, pressure sensor interface, liquid level sensor interface respectively by gating circuit, realizes the monitoring alarm of temperature, pressure, liquid level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420849526.2U CN204331371U (en) | 2014-12-29 | 2014-12-29 | There is the Automation Control Instruments of warning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420849526.2U CN204331371U (en) | 2014-12-29 | 2014-12-29 | There is the Automation Control Instruments of warning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204331371U true CN204331371U (en) | 2015-05-13 |
Family
ID=53167710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420849526.2U Expired - Fee Related CN204331371U (en) | 2014-12-29 | 2014-12-29 | There is the Automation Control Instruments of warning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204331371U (en) |
-
2014
- 2014-12-29 CN CN201420849526.2U patent/CN204331371U/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 | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Junhua Inventor before: Li Junhua |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI JUNHUA TO: LIU JUNHUA |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20151229 |
|
| EXPY | Termination of patent right or utility model |