CN202075091U - Real time pressure display and alarm device - Google Patents
Real time pressure display and alarm device Download PDFInfo
- Publication number
- CN202075091U CN202075091U CN2011200987797U CN201120098779U CN202075091U CN 202075091 U CN202075091 U CN 202075091U CN 2011200987797 U CN2011200987797 U CN 2011200987797U CN 201120098779 U CN201120098779 U CN 201120098779U CN 202075091 U CN202075091 U CN 202075091U
- Authority
- CN
- China
- Prior art keywords
- resistance
- button
- pressure
- cpu controller
- real
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a real time pressure display and alarm device, including a CPU controller, which is connected with a pressure signal acquisition transition module, a button input circuit, a parameter storage module, an LED display module, an alarm output and indication circuit and a state detection module. The pressure signal acquisition transition module includes a pressure sensor, an A/D converting circuit and a power supply module. The power supply module is connected with the CPU controller and the LED display module. In the utility model, the disadvantages existing in the prior art are solved that the pressure measure apparatus structure is complex, the precision is low, and the parameter cannot be modified.
Description
Technical field
The utility model belongs to the electronic metering equipment technical field, is specifically related to a kind of real-time pressure and shows and warning device.
Background technology
Fields such as present commercial production all need pressure signal is carried out real-time monitoring.Pressure signal plays decisive role at numerous areas such as doughnut, colliery, oil field, boilers, therefore is necessary accurate measured pressure value, so that the normal operation and the safety of persons of the equipment of assurance.Various device for pressure measurement are arranged in the market, but have all that versatility is strong, cost is higher, antijamming capability is not too strong and problem such as deficient function.
Summary of the invention
The purpose of this utility model provides a kind of real-time pressure and shows and warning device that solved the pressure measurement device configurations complexity that exists in the prior art, precision is on the low side, the shortcoming that parameter can not be revised.
The technical scheme that the utility model adopted is; a kind of real-time pressure shows and warning device; comprise cpu controller; be connected with pressure signal on the cpu controller and gather modular converter; button inputting circuits; parameter memory module; the LED display module; warning output and indicating circuit and state detection module; pressure signal is gathered modular converter and is comprised that the pressure transducer that is used to gather pressure signal and pressure transducer are connected and are used for pressure signal is converted to the A/D change-over circuit of digital signal; button inputting circuits is used to finish the input and the adjustment of pre-set parameter; parameter memory module is used for storage data; the LED display module is used to the real-time pressure value and the button inputting circuits setup parameter value that show that pressure transducer records; when exceeding systemic presupposition safe pressure scope, the real-time pressure value that warning output and indicating circuit are used for recording at pressure transducer reports to the police and the external safety guard of driving user; state detection module is used to detect the duty of cpu controller; and it restarts to send reset enable signal when cpu controller is in abnormality; also comprise power supply module, power supply module is connected respectively with the LED display module with cpu controller.
Cpu controller adopts the SPMC65SF112A chip.
The A/D change-over circuit comprises resistance R 8, and an end of resistance R 8 is connected with capacitor C 3 with pressure transducer, and the other end of resistance R 8 is connected with resistance R 9 with cpu controller, the other end ground connection of capacitor C 3 and resistance R 9.
Power supply module comprises resistance R 31 and resistance R 35, one end of resistance R 31 and resistance R 31 is connected in parallel+input of 5V power supply on, the other end of resistance R 31 is connected with capacitor C 5, the other end ground connection of capacitor C 5, be provided with between resistance R 31 and the capacitor C 5 and be used for the power supply terminal VDD2 that is connected with the LED display module, the other end of resistance R 35 is connected with capacitor C 6, and the other end ground connection of capacitor C 6 is provided with between resistance R 35 and the capacitor C 6 and is used for the power supply terminal VDD1 that is connected with cpu controller.
The LED display module comprises light-emitting diode display U2, and light-emitting diode display U2 is 4 displays.
Button inputting circuits comprises button S1, button S2, button S3 and button S4, the equal ground connection of an end of button S1, button S2, button S3 and button S4, the other end of button S1, button S2, button S3 and button S4 is connected with cpu controller by resistance R 21, resistance R 22, resistance R 23 and resistance R 40 respectively.
Button S1 is that Dec subtracts key, and button S2 is the Shift switch key, and button S3 is that Add adds key, and button S4 is that Save preserves key.
Warning output and indicating circuit comprise warning indicating circuit and safety guard driving circuit; the warning indicating circuit comprises LED lamp D3 and LED lamp D2; the end ground connection of LED lamp D3 and LED lamp D2; LED lamp D3 is connected with cpu controller with resistance R 19 by resistance R 20 with LED lamp D2 correspondence; the safety guard driving circuit comprises upper limit guard value pressure circuit and lower limit safe pressure loop; the upper limit guard value pressure circuit comprises resistance R 36; one end of resistance R 36 is connected with cpu controller; the other end is connected with the external security protective device; lower limit safe pressure loop comprises resistance R 38; one end of resistance R 38 is connected with cpu controller, and the other end is connected with the external security protective device.
The utility model device is applicable to commercial production field pressure monitoring, and its beneficial effect is: 1, all adopt resistance protection mechanism; Can regulate the quantities of pressure arbitrarily, the bound and the return difference value of pressure alarm (is under the off-limit alarm prerequisite, fall back to the some place that differs certain numerical value with setting signal when becoming feed signals, CPU cancels warning, and this numerical value that differs certain is the return difference value), improve versatility effectively; To last out-of-limit and out-of-limitly all have corresponding LED light to report to the police down, and the signal that corresponding terminal can output safety protective device driving circuit; Can realize that power down keeps, and can arbitrarily not have disturbance between the display mode and switches.The utility model by pressure is detected in real time, pressure information shows and pressure bound comparison process, to the out-of-limit functions such as alarm decision of carrying out, the user can in time grasp and the controlled pressure change dynamics, thereby guarantees that the pressure transducer input end wants the normal operation and the security of checkout equipment.
Description of drawings
Fig. 1 is the structural representation of a kind of real-time pressure demonstration of the utility model and warning device;
Fig. 2 is to use the annexation synoptic diagram of cpu controller in the utility model device;
Fig. 3 is to use the circuit diagram of A/D change-over circuit in the utility model device;
Fig. 4 is to use the circuit diagram of power supply module in the utility model device;
Fig. 5 is to use the circuit diagram of LED display module in the utility model device;
Fig. 6 is to use the circuit diagram of button inputting circuits in the utility model device;
Fig. 7 is to use the circuit diagram of warning indicating circuit in the utility model device;
Fig. 8 is to use the circuit diagram of safety guard driving circuit in the utility model device.
Wherein, 1. power supply module, the 2.CPU controller, the 3.LED display module, 4. report to the police output and indicating circuit, 5. button input, 6. pressure signal is gathered modular converter, 7. state detection module, 8. parameter memory module.
Embodiment
As shown in Figure 1, a kind of real-time pressure of the utility model shows and warning device, comprise cpu controller 2, be connected with pressure signal on the cpu controller 2 and gather modular converter 6, button inputting circuits 5, parameter memory module 8, LED display module 3, report to the police output and indicating circuit 4 and state detection module 7.Button inputting circuits 5 is used to finish the input and the adjustment of pre-set parameter; parameter memory module 8 is used for storage data; LED display module 3 is used to the real-time pressure value and the described button inputting circuits 5 setup parameter values that show that described pressure transducer records; when exceeding systemic presupposition safe pressure scope, the real-time pressure value that warning output and indicating circuit 4 are used for recording at pressure transducer reports to the police and the external safety guard of driving user; state detection module 7 is used to detect the duty of cpu controller; and it restarts to send reset enable signal when cpu controller is in abnormality; also comprise power supply module 1, power supply module 1 is connected respectively with LED display module 3 with cpu controller 2.
As shown in Figure 2, cpu controller 2 adopts the SPMC65SF112A chip.Wherein, the annexation of 32 pins of SPMC65SF112A chip is, the driving output that PA0-PA7 shows as light-emitting diode display U2 section in the LED display module 3, AN8 is as the input interface of pressure signal collection modular converter 6 analog voltage amounts, and COM0-COM3 exports as the driving that light-emitting diode display U2 position in the LED display module 3 shows; LED1-LED2 is as the output of the warning indicating circuit of report to the police output and indicating circuit 4; I1 can carry out the multi pass acquisition signal for reserving input port; O1-O2 is as the output port of safety guard driving circuit in report to the police output and the indicating circuit 4; S1-S4 is as the input port of button inputting circuits 5; PF0-PF2 is on-line debugging and programming port, and the software support is provided.
Pressure signal is gathered modular converter 6 and is comprised pressure transducer and A/D change-over circuit, and pressure transducer is used to gather the real-time pressure signal of tested device, and with pressure signal dress transposition corresponding simulating voltage/current signals.The A/D change-over circuit is connected with pressure transducer and is used for the analog voltage/current conversion of signals is digital signal.As shown in Figure 3, the A/D change-over circuit comprises resistance R 8, and an end of resistance R 8 is connected with capacitor C 3 with pressure transducer, and the other end of resistance R 8 is connected with resistance R 9 with cpu controller, the other end ground connection of capacitor C 3 and resistance R 9.
As shown in Figure 4, power supply module 1 comprises resistance R 31 and resistance R 35, one end of resistance R 31 and resistance R 31 is connected in parallel+input of 5V power supply on, the other end of resistance R 31 is connected with capacitor C 5, the other end ground connection of capacitor C 5, be provided with between resistance R 31 and the capacitor C 5 and be used for the power supply terminal VDD2 that is connected with LED display module 3, the other end of resistance R 35 is connected with capacitor C 6, the other end ground connection of capacitor C 6 is provided with between resistance R 35 and the capacitor C 6 and is used for the power supply terminal VDD1 that is connected with cpu controller 2.
As shown in Figure 5, LED display module 3 comprises light-emitting diode display U2, and light-emitting diode display U2 is 4 a display.The pin pipe 12 of light-emitting diode display U2, pin pipe 9, pin pipe 8 and pin pipe 6 are that input is selected in the position, and be connected with triode Q4, triode Q3, triode Q2 and the collector of triode Q1 respectively, the base stage correspondence of triode Q4, triode Q3, triode Q2 and triode Q1 is connected with the com port of cpu controller 2 by resistance R 7, resistance R 5, resistance R 3, resistance R 1, and the emitter of triode Q4, triode Q3, triode Q2 and triode Q1 all is connected with power supply terminal VDD2.The pin pipe 11 of light-emitting diode display U2, pin pipe 7, pin pipe 4, pin pipe 2, pin pipe 1, pin pipe 10, pin pipe 5 and pin pipe 3 sections of being show input, and are connected by resistance R 10, resistance R 11, resistance R 12, resistance R 13, resistance R 14, resistance R 15, resistance R 16 and the PA0-PA7 of resistance R 17 with cpu controller 2 respectively.
As shown in Figure 6, button inputting circuits 5 comprises button S1, button S2, button S3 and button S4, the equal ground connection of an end (the low level button is effective) of button S1, button S2, button S3 and button S4, the other end of button S1, button S2, button S3 and button S4 is connected by resistance R 21, resistance R 22, resistance R 23 and the S1-S4 of resistance R 40 with cpu controller 2 respectively.Wherein, button S1 is that Dec subtracts key, and button S2 is the Shift switch key, and button S3 is that Add adds key, and button S4 is that Save preserves key, satisfies parameter modification and memory requirement.
Warning output and indicating circuit 4 comprise warning indicating circuit and safety guard driving circuit.As shown in Figure 7, the warning indicating circuit comprises LED lamp D3 and LED lamp D2, the end ground connection of LED lamp D3 and LED lamp D2, and LED lamp D3 is connected with cpu controller 2 with resistance R 19 by resistance R 20 with LED lamp D2 correspondence.The bright expression pressure signal of LED lamp D2 is gathered modular converter 6 and is sent to the change feed signals of cpu controller 2 greater than default upper safety limit value parameter, promptly get over the upper limit, LED lamp D2, LED lamp D3 be bright-and expression becomes feed signals in normal condition, the change feed signals that the bright pressure signal collection of LED lamp D3 modular converter 6 is sent to cpu controller 2 is lower than default lower safety limit value parameter, promptly gets over lower limit.
As shown in Figure 8; the safety guard driving circuit comprises upper limit guard value pressure circuit and lower limit safe pressure loop; the upper limit guard value pressure circuit comprises resistance R 36; one end of resistance R 36 is connected with cpu controller 2; the other end is connected with the external security protective device; lower limit safe pressure loop comprises resistance R 38, and an end of resistance R 38 is connected with cpu controller 2, and the other end is connected with the external security protective device.When pressure signal is gathered change feed signals that modular converter 6 is sent to cpu controller 2 greater than default upper safety limit value parameter, high level of upper limit guard value pressure circuit O1 output then; When pressure signal is gathered change feed signals that modular converter 6 is sent to cpu controller 2 when being between the bound, then O1, O2 output low level; Gather change feed signals that modular converter 6 is sent to cpu controller 2 when being lower than default lower safety limit value parameter when pressure signal, then high level of lower limit safe pressure loop O2 output drives panalarm.
The utility model functional unit adopts modular design, compact conformation, and is aesthetic in appearance, good reliability, system debug is simple, easy operating can be realized online noiseless switching, change between the various state models, the support of adding assembly language has improved the real-time of monitoring effectively.
Claims (8)
1. a real-time pressure shows and warning device; it is characterized in that; comprise cpu controller (2); be connected with pressure signal on the described cpu controller (2) and gather modular converter (6); button inputting circuits (5); parameter memory module (8); LED display module (3); report to the police and export and indicating circuit (4) and state detection module (7); described pressure signal is gathered modular converter (6) and is comprised that the pressure transducer that is used to gather pressure signal and described pressure transducer are connected and are used for pressure signal is converted to the A/D change-over circuit of digital signal; described button inputting circuits (5) is used to finish the input and the adjustment of pre-set parameter; described parameter memory module (8) is used for storage data; described LED display module (3) is used to the real-time pressure value and described button inputting circuits (5) the setup parameter value that show that described pressure transducer records; when exceeding systemic presupposition safe pressure scope, the real-time pressure value that described warning output and indicating circuit (4) are used for recording at described pressure transducer reports to the police and the external safety guard of driving user; described state detection module (7) is used to detect the duty of described cpu controller; and it restarts to send reset enable signal when described cpu controller is in abnormality; also comprise power supply module (1), described power supply module (1) is connected respectively with LED display module (3) with described cpu controller (2).
2. show and warning device that according to the described a kind of real-time pressure of claim 1 it is characterized in that, described cpu controller (2) adopts the SPMC65SF112A chip.
3. show and warning device according to the described a kind of real-time pressure of claim 1, it is characterized in that, described A/D change-over circuit comprises resistance R 8, one end of described resistance R 8 is connected with capacitor C 3 with described pressure transducer, the other end of described resistance R 8 is connected with resistance R 9 with described cpu controller, the other end ground connection of described capacitor C 3 and resistance R 9.
4. show and warning device according to the described a kind of real-time pressure of claim 1, it is characterized in that, described power supply module (1) comprises resistance R 31 and resistance R 35, one end of described resistance R 31 and resistance R 31 is connected in parallel+input of 5V power supply on, the other end of described resistance R 31 is connected with capacitor C 5, the other end ground connection of described capacitor C 5, be provided with between described resistance R 31 and the capacitor C 5 and be used for the power supply terminal VDD2 that is connected with described LED display module (3), the other end of described resistance R 35 is connected with capacitor C 6, the other end ground connection of described capacitor C 6 is provided with between described resistance R 35 and the capacitor C 6 and is used for the power supply terminal VDD1 that is connected with described cpu controller (2).
5. show and warning device that according to the described a kind of real-time pressure of claim 1 it is characterized in that described LED display module (3) comprises light-emitting diode display U2, described light-emitting diode display U2 is 4 displays.
6. show and warning device according to the described a kind of real-time pressure of claim 1, it is characterized in that, described button inputting circuits (5) comprises button S1, button S2, button S3 and button S4, the equal ground connection of an end of described button S1, button S2, button S3 and button S4, the other end of described button S1, button S2, button S3 and button S4 are connected with described cpu controller (2) by resistance R 21, resistance R 22, resistance R 23 and resistance R 40 respectively.
7. show and warning device that according to the described a kind of real-time pressure of claim 6 it is characterized in that described button S1 is that Dec subtracts key, described button S2 is the Shift switch key, described button S3 is that Add adds key, and described button S4 is that Save preserves key.
8. show and warning device according to the described a kind of real-time pressure of claim 1; it is characterized in that; described warning output and indicating circuit (4) comprise warning indicating circuit and safety guard driving circuit; described warning indicating circuit comprises LED lamp D3 and LED lamp D2; the end ground connection of described LED lamp D3 and LED lamp D2; described LED lamp D3 is connected with described cpu controller (2) with resistance R 19 by resistance R 20 with LED lamp D2 is corresponding; described safety guard driving circuit comprises upper limit guard value pressure circuit and lower limit safe pressure loop; described upper limit guard value pressure circuit comprises resistance R 36; one end of described resistance R 36 is connected with described cpu controller (2); the other end is connected with the external security protective device; described lower limit safe pressure loop comprises resistance R 38; one end of described resistance R 38 is connected with described cpu controller (2), and the other end is connected with the external security protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200987797U CN202075091U (en) | 2011-04-07 | 2011-04-07 | Real time pressure display and alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200987797U CN202075091U (en) | 2011-04-07 | 2011-04-07 | Real time pressure display and alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202075091U true CN202075091U (en) | 2011-12-14 |
Family
ID=45113189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200987797U Expired - Fee Related CN202075091U (en) | 2011-04-07 | 2011-04-07 | Real time pressure display and alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202075091U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644847A (en) * | 2012-05-10 | 2012-08-22 | 昆山市恒安工业气体有限公司 | Pressure detecting system of gas storage tank |
| CN102705573A (en) * | 2012-06-25 | 2012-10-03 | 昆山市恒安工业气体有限公司 | Fuel gas pressure regulator detection system |
| CN103512704A (en) * | 2012-06-14 | 2014-01-15 | 北汽福田汽车股份有限公司 | Vehicle air pressure detection alarm device and method |
| CN105403351A (en) * | 2015-12-16 | 2016-03-16 | 宿州中矿三杰科技有限公司 | Digital display oil pressure sensor |
| CN105588683A (en) * | 2014-11-03 | 2016-05-18 | 中国航空工业集团公司西安飞机设计研究所 | Design method for pressure increasing and decreasing speed measurement apparatus |
| CN108414353A (en) * | 2018-01-15 | 2018-08-17 | 沈阳兴华航空电器有限责任公司 | Force-sensing circuit |
| CN109974928A (en) * | 2017-12-28 | 2019-07-05 | 中核建中核燃料元件有限公司 | A kind of numerical pressure detection device on finished product carrier |
-
2011
- 2011-04-07 CN CN2011200987797U patent/CN202075091U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644847A (en) * | 2012-05-10 | 2012-08-22 | 昆山市恒安工业气体有限公司 | Pressure detecting system of gas storage tank |
| CN103512704A (en) * | 2012-06-14 | 2014-01-15 | 北汽福田汽车股份有限公司 | Vehicle air pressure detection alarm device and method |
| CN102705573A (en) * | 2012-06-25 | 2012-10-03 | 昆山市恒安工业气体有限公司 | Fuel gas pressure regulator detection system |
| CN105588683A (en) * | 2014-11-03 | 2016-05-18 | 中国航空工业集团公司西安飞机设计研究所 | Design method for pressure increasing and decreasing speed measurement apparatus |
| CN105403351A (en) * | 2015-12-16 | 2016-03-16 | 宿州中矿三杰科技有限公司 | Digital display oil pressure sensor |
| CN109974928A (en) * | 2017-12-28 | 2019-07-05 | 中核建中核燃料元件有限公司 | A kind of numerical pressure detection device on finished product carrier |
| CN108414353A (en) * | 2018-01-15 | 2018-08-17 | 沈阳兴华航空电器有限责任公司 | Force-sensing circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202075091U (en) | Real time pressure display and alarm device | |
| CN102767456B (en) | Special intelligent non-contact igniting detector | |
| CN101915597A (en) | Indoor environment monitoring system | |
| CN203164345U (en) | Multi-core cable detector | |
| CN204241597U (en) | Portable cable fast detector | |
| CN101839933A (en) | Digital multimeter with visible light communication port | |
| CN201716041U (en) | Indoor environment monitoring system | |
| CN201259291Y (en) | Temperature and humidity controller | |
| CN202720285U (en) | Detection system of electric power terminal | |
| CN216050264U (en) | Alarm device for detecting vehicle vibration noise | |
| CN103901796A (en) | Three-dimensional magnetic field-based mechanical disability control system | |
| CN202903766U (en) | Intelligent type fixed gas detection instrument | |
| CN202815473U (en) | Intelligent controller of shot blasting machine | |
| CN205138548U (en) | Temperature and humidity measuring apparatus | |
| CN104198919A (en) | Kingview and PLC (programmable logic controller) based performance monitoring system for measurement while drilling instrument downhole circuit board | |
| CN101078680A (en) | Coal mine gas density real-time monitoring alarming control system | |
| CN207051187U (en) | Point-type combustible gas detecting device based on infrared gas sensor | |
| CN204302353U (en) | A kind of power detection system based on Hall element | |
| CN203561333U (en) | Valve displacement detection device for large-scale gas turbine | |
| CN202798160U (en) | Field detection system for power distribution terminal | |
| CN207335761U (en) | Home environment intelligent detection device based on FPGA | |
| CN202522534U (en) | Micro power consumption combustible gas detector | |
| CN202789270U (en) | Portable common-rail pressure gauge | |
| CN109669494A (en) | A kind of welding temperature monitoring system and method | |
| CN220671552U (en) | Circuit device for automatically detecting flow valve faults with low power consumption |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20140407 |