CN2881807Y - Flash alarm device capable of displaying alarm time - Google Patents
Flash alarm device capable of displaying alarm time Download PDFInfo
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- CN2881807Y CN2881807Y CN 200620007878 CN200620007878U CN2881807Y CN 2881807 Y CN2881807 Y CN 2881807Y CN 200620007878 CN200620007878 CN 200620007878 CN 200620007878 U CN200620007878 U CN 200620007878U CN 2881807 Y CN2881807 Y CN 2881807Y
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- chip microcomputer
- flash
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Abstract
A flash alarm device with alarm contact or analogue amount and capable of displaying alarm time. The flash alarm device resolves the deficiencies of the flash alarm device in the current art after alarming such as: it does not record the alarm time and when there are several flash alarm devices activating together, it can not accurately judge the sequence of the alarms. The flash alarm device is characterized in that on the outer surface of the siren shell (1) is arranged a time displaying device (3), which is led to the alarm signal input end in the alarm circuit (2) by the alarm time recording node led from it. The flash alarm device capable of displaying alarm time has the character of displaying the alarm time and will help the operator to find out the reason to cause the accident in a timely manner.
Description
Technical field:
The utility model relates to a kind of instrument and meter for automation, especially relates to a kind of industrial robotization measuring instrument that has the warning contact.
Background technology:
Single-point or setting-in flash alarm are the instrument and meter for automations a kind of commonly used that is widely used in oil, chemical industry at present.This instrument and meter for automation with have the supporting use of measuring instrument of warning contact after, the warning of can when having alert to take place, flashing rapidly.This alarm is found in actual use and has following deficiency: because as a rule, multiple spot often takes place reports to the police, high-voltage switch gear malfunction for example, if cause because of cable short circuit, so just may cause the action of ground connection flash alarm earlier, then cause the action of quick-break flash alarm.If because immediate current is too high to be caused, so just may cause quick-break flash alarm action then initiation ground connection flash alarm earlier and move.But when taking place owing to accident, operating personnel can not after being on the scene, can only find that but two alarms are all in flash of light just at the scene.At this moment for the occurrence cause of clear and definite accident, just have to carry out a series of experiment,, reduced the efficient of effective processing accident just can find the true cause that causes warning then.
The utility model content:
When taking place, accident can only provide flash of light in order to overcome existing flash alarm, when a plurality of flash alarm common actions, can't accurately judge the deficiency of warning reason, but the utility model provides the flash alarm of a kind of display alarm time, but but the flash alarm of this kind display alarm time has the characteristics of display alarm time, is of value to operating personnel and in time finds culprit.
The technical solution of the utility model is: but the flash alarm of this kind display alarm time, and conventional part is for the alarm housing and be built in the interior warning circuit of housing.The place of its uniqueness is on the outside surface of described alarm housing a time display apparatus to be housed, and the time of fire alarming record node of being drawn by this time display apparatus causes the alerting signal input end in the warning circuit.
Described specifically time display apparatus is digital time display, cooperates driving by the single-chip microcomputer and the flash driving circuit that are built in the alarm housing.The signal input part of single-chip microcomputer links to each other with alerting signal input end in the warning circuit, to receive the time of fire alarming tracer signal, the signal output part of single-chip microcomputer links to each other with driving signal input in the flash driving circuit, and the output terminal of flash driving circuit drives 8 sections LED time displays.
Time display apparatus recited above can be positioned at bottom, top or the middle part of the front lamp screen of alarm housing.
The utlity model has following beneficial effect: owing to take the time that the flash alarm of such scheme can display alarm, like this when a plurality of flash alarms of generation move, operating personnel are on the scene and can judge the priority of flash alarm action by the time that is recorded in the flash alarm surface easily, can derive the occurrence cause of alert then according to the related process principle, thereby fix a breakdown rapidly, resume production.
Description of drawings:
Accompanying drawing 1 is the part electrical schematic diagram A of main frame in the alarm described in the utility model.
Accompanying drawing 2 is another part electrical schematic diagram B of main frame in the alarm described in the utility model.
Accompanying drawing 3 is alarm internal power circuit figure described in the utility model.
Accompanying drawing 4 is time display circuit figure of alarm described in the utility model.
Accompanying drawing 5 is schematic appearance of the utility model embodiment 1.
Accompanying drawing 6 is schematic appearance of the utility model embodiment 2.
Accompanying drawing 7 is schematic appearance of the utility model embodiment 3.
1-alarm housing among the figure, 2-warning circuit, 3-time display apparatus.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 5, but the flash alarm of this kind display alarm time comprises alarm housing 1 and is built in warning circuit 2 in the housing 1 that these all are conventional parts.Wherein special place is: the outside surface at described alarm housing 1 is equipped with a time display apparatus 3, and the time of fire alarming record node of being drawn by this time display apparatus causes the alerting signal input end in the warning circuit 2.
Specifically, as Fig. 1 in conjunction with Fig. 2, Fig. 3, shown in Figure 4, described time display apparatus 3 is digital time display, certainly select eight segmentation light-emitting diode displays, this display cooperates driving by the single-chip microcomputer and the flash driving circuit that are built in the alarm housing 1, the signal input part of single-chip microcomputer links to each other with alerting signal input end in the warning circuit 2, to receive time of fire alarming tracer signal S1, the signal output part of single-chip microcomputer links to each other with driving signal input in the flash driving circuit, output drive signal S3, the output terminal output flash of light drive signal S4 of flash driving circuit, thus drive 8 sections LED time displays, demonstrate time of fire alarming.
Be detailed description below about its built-in warning circuit 2.Its built-in warning circuit 2 comprises single-chip microcomputer U1, LED demonstration, control chip U3, high precision real-time timepiece chip U2, power drive chip U5, RS-485 interface chip U7, function selecting toggle switch SW1, watchdog chip U4, power supply voltage stabilizing chip U8, wherein the P0 mouth of single-chip microcomputer U1 links to each other with multiplexing address/BDB Bi-directional Data Bus of high precision real-time timepiece chip U2, is used to transmit data or order; The clock of high precision real-time timepiece chip U2 interrupts the output request signal and links to each other with the external interrupt INT0 of single-chip microcomputer U1, is used for producing a second look-at-me; The chip selection signal CS of high precision real-time timepiece chip U2 is selected by the P2.0 mouth line of single-chip microcomputer U1; The reset terminal RST of high precision real-time timepiece chip U2 connects power supply VCC end; The R/W write control signal of high precision real-time timepiece chip U2 links to each other with the WR mouth line of single-chip microcomputer U1; The read control signal DS of high precision real-time timepiece chip U2 links to each other with the RD mouth line of single-chip microcomputer U1; The required clock signal of single-chip microcomputer U1 is provided by the crystal oscillator that is connected on 19 pin X1 and 18 pin X2 outward; The EA/VPP mouth of single-chip microcomputer U1 meets VCC, is used for selecting the program of chip internal FLASH flash memory; The reset signal of single-chip microcomputer U1 is provided by watchdog chip U4; Watchdog chip U4 can produce power-on reset signal, and the RESET button is pressed the hand-reset signal, also can monitor the normal operation of program in the FLASH program storage in the U1 simultaneously, produces reset signal when program fleet the program that race flies is retracted; The RO of chip U7 links to each other with the TXD pin with the RXD of single-chip microcomputer U1 respectively with DI, A, B pin link to each other with DATA-with the DATA+ of RS-485 BUS, and the toggle switch that links to each other with P2.4, P2.5, P2.6, the T1 mouth line of single-chip microcomputer U1 is used to select the high or low of alarm level to enable and different program functions; The P2.0 of single-chip microcomputer U1, P2.1 and P2.2 mouth line link to each other with 2B, 3B, the 4B end of high precision real-time timepiece chip U2, button AN1 links to each other with the P1.3 mouth line of U1, button AN2 links to each other with the P1.4 mouth line of U1, button AN3 links to each other with the P1.5 mouth line of single-chip microcomputer U1, the DAT end of display circuit chip U3 links to each other with the P1.0 mouth line of single-chip microcomputer U1, the CLK end of control chip U3 links to each other with the P1.1 mouth line of single-chip microcomputer U1, and external alarm signal is inputed to the P1.2 mouth of single-chip microcomputer U1 after optocoupler G1 photoelectricity is isolated by interface socket J1 input.
The course of work of above circuit is: by single-chip microcomputer U1 the external alert input signal is gathered and judge, and externally input is reported to the police the time that record is reported to the police and taken place when taking place, the time showing of the generation of will reporting to the police simultaneously is on the LED charactron.Single-chip microcomputer U1 can adopt the AT89C52 single-chip microcomputer, clock chip is selected high precision real-time clock DS12C887 for use, this chip internal has battery and crystal oscillator, can link to each other with the P0 mouth of single-chip microcomputer by parallel interface AD0-AD7 exempting under the situation of peripheral cell, its inside has the non-volatile ram of 128 bytes simultaneously, can preserve some important data and variable unit when system's power down.
External alarm signal is inputed to the P1.2 mouth of single-chip microcomputer after optocoupler G1 photoelectricity is isolated by interface socket J1 input, single-chip microcomputer U1 is that the high level input or the low level input of P1.2 mouth are reported to the police according to the state decision of toggle switch SW1, to write down simultaneously reports to the police takes place year constantly, month, day, divide, be worth second, and with this time showing on light-emitting diode display, display chip adopts the BC7281A charactron to show and the keyboard interface special integrated circuit, this chip is by external a slice shift register chip 74LS164 (U5), six LED charactron sections of carrying out are driven, carrying out the position by 8050 pairs of LED charactrons of six triodes simultaneously drives, the interface of display chip U3 and single-chip microcomputer U1 adopts the two-wire serial mode, can simplify the Interface design with single-chip microcomputer.
Watchdog circuit, can when program fleet, program be withdrawn into the tram, watchdog chip adopts MAX813L, this chip have house dog, manually, electrification reset and power supply power-fail measuring ability, in order to make single-chip microcomputer can drive high power loads such as relay, hummer, and adopted power interface device ULN2003, the inside of this device is darlington structure, can be easily and interface microcontroller, the driving force that has every road 500mA simultaneously can drive any type of relay, hummer.
Reach and the upper monitoring compunication for ease of the networking application, alarm described in the utility model is provided with the RS-485 interface, the Transistor-Transistor Logic level of single-chip microcomputer is converted to the RS-485 interface level of difference balance mode by RS-485 interface chip ISL1487E.The RO end of interface chip U7 links to each other with the RXD end of U1, the DI end of interface chip U7 links to each other with the TXD end of U1, the RE of interface chip U7 is connected the back with the DE end and links to each other with the P2.7 mouth line of single-chip microcomputer U1, receives or send data thereby the transmitting-receiving of control interface chip U7 conversion is used for control single chip computer U1.
The alarm power supply becomes pulsating direct current by power transformer B2 step-down after the rectifier bridge rectification, and after capacitor C 13 filtering, capacitor C 14 filtering high frequency burrs disturbed ,+5V power supply stable by becoming after the linear voltage regulator U8 voltage stabilizing supplied with the alarm complete machine and used.
For after report to the police finishing, this alarm still can operate as normal, can on time display apparatus 3 reset button be housed, after reset button is depressed, reset signal process lead is passed to the reset signal input end of single-chip microcomputer, and single-chip microcomputer provides control signal again, and it is normal that alarm recovers.
During actual the use, this kind alarm in process variable just often, display screen is unglazed, when the process variable is reported to the police, show and keep the time of warning that moment in the screen, in display flashing, drive gauge internal or outside hummer, notify the relevant personnel, if it is after this display is received the warning confirmation signal that the related personnel sends confirmation signal, show to become zero diopter, do not flash, treat process variable recover normal after, time showing is unglazed, the expression alarm release.In sum, this alarm has two characteristics: the time that one can display alarm takes place; Its two, when several report to the police to take place, can pass through time showing, give and the alarm procedure variable takes place press the queuing of time of origin order, find out the process variable of first generation warning, promptly most important process variable.This alarm can be inlaid in meter panel, and the process variable signal of its reception can be a switching value, also can be analog quantity, though the process variable signal type difference of accepting only is an input processing section difference, other parts are identical.
Claims (6)
- But 1, the flash alarm of a kind of display alarm time, comprise alarm housing (1) and be built in the interior warning circuit (2) of housing (1), it is characterized in that: the outside surface of described alarm housing (1) is equipped with a time display apparatus (3), and the time of fire alarming record node of being drawn by this time display apparatus causes the alerting signal input end in the warning circuit (2).
- But 2, the flash alarm of a kind of display alarm time according to claim 1, it is characterized in that: described time display apparatus (3) is 6 digital time displays, cooperate driving by the single-chip microcomputer and the flash driving circuit that are built in the alarm housing (1), the signal input part of single-chip microcomputer links to each other with alerting signal input end in the warning circuit (2), to receive the time of fire alarming tracer signal, the signal output part of single-chip microcomputer links to each other the output terminal driving time display of flash driving circuit with driving signal input in the flash driving circuit.
- But 3, the flash alarm of a kind of display alarm time according to claim 2, it is characterized in that: its built-in warning circuit (2) comprises single-chip microcomputer U1, light-emitting diode display, control chip U3, high precision real-time timepiece chip U2, power drive chip U5, RS-485 interface chip U7, function selecting toggle switch SW1, watchdog chip U4, power supply voltage stabilizing chip U8, wherein the P0 mouth of single-chip microcomputer U1 links to each other with multiplexing address/BDB Bi-directional Data Bus of high precision real-time timepiece chip U2, is used to transmit data or order; The clock of high precision real-time timepiece chip U2 interrupts the output request signal and links to each other with the external interrupt INT0 of single-chip microcomputer U1, is used for producing a second look-at-me; The chip selection signal CS of high precision real-time timepiece chip U2 is selected by the P2.0 mouth line of single-chip microcomputer U1; The reset terminal RST of high precision real-time timepiece chip U2 connects power supply VCC end; The R/W write control signal of high precision real-time timepiece chip U2 links to each other with the WR mouth line of single-chip microcomputer U1; The read control signal DS of high precision real-time timepiece chip U2 links to each other with the RD mouth line of single-chip microcomputer U1; The required clock signal of single-chip microcomputer U1 is provided by the crystal oscillator that is connected on 19 pin X1 and 18 pin X2 outward; The EA/VPP mouth of single-chip microcomputer U1 meets VCC, is used for selecting the program of chip internal FLASH flash memory; The reset signal of single-chip microcomputer U1 is provided by watchdog chip U4; Watchdog chip U4 can produce power-on reset signal, and the RESET button is pressed the hand-reset signal, also can monitor the normal operation of program in the FLASH program storage in the U1 simultaneously, produces reset signal when program fleet the program that race flies is retracted; The RO of chip U7 links to each other with the TXD pin with the RXD of single-chip microcomputer U1 respectively with DI, A, B pin link to each other with DATA-with the DATA+ of RS-485 BUS, and the toggle switch that links to each other with P2.4, P2.5, P2.6, the T1 mouth line of single-chip microcomputer U1 is used to select the high or low of alarm level to enable and different program functions; The P2.0 of single-chip microcomputer U1, P2.1 and P2.2 mouth line link to each other with 2B, 3B, the 4B end of high precision real-time timepiece chip U2, button AN1 links to each other with the P1.3 mouth line of U1, button AN2 links to each other with the P1.4 mouth line of U1, button AN3 links to each other with the P1.5 mouth line of single-chip microcomputer U1, the DAT end of display circuit chip U3 links to each other with the P1.0 mouth line of single-chip microcomputer U1, the CLK end of control chip U3 links to each other with the P1.1 mouth line of single-chip microcomputer U1, and external alarm signal is inputed to the P1.2 mouth of single-chip microcomputer U1 after optocoupler G1 photoelectricity is isolated by interface socket J1 input.
- But 4, according to claim 1, the flash alarm of 2 or 3 described a kind of display alarm times, it is characterized in that: described time display apparatus (3) is positioned at the bottom of alarm housing (1) front lamp screen.
- But 5, according to claim 1, the flash alarm of 2 or 3 described a kind of display alarm times, it is characterized in that: described time display apparatus (3) is positioned at the top of alarm housing (1) front lamp screen.
- But 6, according to claim 1, the flash alarm of 2 or 3 described a kind of display alarm times, it is characterized in that: described time display apparatus (3) is positioned at the middle part of alarm housing (1) front lamp screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620007878 CN2881807Y (en) | 2006-03-14 | 2006-03-14 | Flash alarm device capable of displaying alarm time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620007878 CN2881807Y (en) | 2006-03-14 | 2006-03-14 | Flash alarm device capable of displaying alarm time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2881807Y true CN2881807Y (en) | 2007-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620007878 Expired - Fee Related CN2881807Y (en) | 2006-03-14 | 2006-03-14 | Flash alarm device capable of displaying alarm time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2881807Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376200A (en) * | 2017-08-08 | 2017-11-24 | 河南省富可达科技有限公司 | A kind of novel sounding rope skipping |
| CN108371117A (en) * | 2018-04-23 | 2018-08-07 | 佛山科学技术学院 | A kind of herding chewing detecting system based on wireless technology |
-
2006
- 2006-03-14 CN CN 200620007878 patent/CN2881807Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376200A (en) * | 2017-08-08 | 2017-11-24 | 河南省富可达科技有限公司 | A kind of novel sounding rope skipping |
| CN108371117A (en) * | 2018-04-23 | 2018-08-07 | 佛山科学技术学院 | A kind of herding chewing detecting system based on wireless technology |
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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: 20070321 Termination date: 20120314 |