CN201322971Y - Linkage control device for electrical fire monitoring device - Google Patents
Linkage control device for electrical fire monitoring device Download PDFInfo
- Publication number
- CN201322971Y CN201322971Y CNU2008202113771U CN200820211377U CN201322971Y CN 201322971 Y CN201322971 Y CN 201322971Y CN U2008202113771 U CNU2008202113771 U CN U2008202113771U CN 200820211377 U CN200820211377 U CN 200820211377U CN 201322971 Y CN201322971 Y CN 201322971Y
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- China
- Prior art keywords
- control device
- linkage control
- circuit
- electric fire
- monitoring equipment
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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.)
- Expired - Fee Related
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Abstract
The utility model relates to a linkage control device for an electrical fire monitoring device. The linkage control device is connected with the electrical fire monitoring device by two communication fires, and receives instructions sent by the electrical fire monitoring device. If one press key is pressed, the key value of the press key is sent back to the electrical fire monitoring device. Any press key of the linkage control device can be respectively programmed on site, used for controlling any relevant lines, and have the functions of start indication and line cut return indication. The utility model widens the function of the electric fire monitoring device, shortens the emergency reaction time of on-duty staff during electrical line fault generating period, and achieves the purpose for timely eliminating the electrical fire hidden hazards.
Description
Technical field:
The utility model relates to the Electronic Testing Technology field, specifically is a kind of linkage control device that is applicable on the electric fire disaster monitoring equipment.
Background technology:
Along with the development of society, make electric utility obtain unprecedented development, electric fire monitoring system has also obtained applying thereupon.But because of standard GB 14287.1-2005 " electric fire monitoring system first: electric fire disaster monitoring equipment " does not claim to interlock, present most of electric fire monitoring system does not possess the interlock function, only has warning function, when needs cut off isolation to faulty line, can only arrive the on-site manual operation, can't operate by Remote, it is very inconvenient to use.
Summary of the invention:
For solving the deficiency that prior art exists, the utility model purpose is to provide a kind of linkage control device that is used for electric fire disaster monitoring equipment, can be implemented in the Control Room and just can cut off isolated operation faulty line, any one button in the linkage control device all can be by programming, be used to control a certain relevant circuit, and have and start indication and indication is returned in the circuit cut-out.
The technical solution adopted in the utility model is:
Be used for the linkage control device of electric fire disaster monitoring equipment, it is characterized in that: comprise demonstration and keyboard control circuit, segment drive circuit, bit driver circuit, pilot lamp array and key-press matrix; Demonstration and keyboard control circuit are connected to electric fire disaster monitoring equipment by two order wires, show to be connected with key-press matrix with the pilot lamp array by segment drive circuit, bit driver circuit with keyboard control circuit.
Described demonstration and keyboard control circuit are made up of the RC oscillatory circuit, storage capacitor C1, the filter capacitor C4 that show and keyboard control chip D1, pull-up resistor R1, resistance R 2 and capacitor C 2 constitute.
The triode that described segment drive circuit is made of 4 NPN type triode V33--V36 is connected into to be penetrated a grade follower and forms.
Described bit driver circuit is made up of current-limiting resistance R11--R18, filter capacitor C3,8 bit parallels output serial-in shift register D2.
Described pilot lamp array and key-press matrix are made up of pull down resistor R3--R10, isolation resistance R19--R26, filter capacitor C5, C6, isolating diode V37, V38, light emitting diode V1--V32, button S1--S16.
Mentality of designing of the present utility model:
Adopt two order wires to be connected with the electric fire disaster monitoring equipment room, can receive the order of lighting a lamp/turn off the light of electric fire disaster monitoring equipment transmission, light or extinguish corresponding pilot lamp; Can send the button operation of linkage to the electric fire disaster monitoring device with the form of button value.
Advantage of the present utility model:
The utility model provides a kind of linkage control device for electric fire disaster monitoring equipment, expanded the function of electric fire disaster monitoring equipment, shorten the emergency reaction time of operator on duty when electric wiring breaks down, thereby reached the purpose of timely elimination electric disaster hidden-trouble.
Description of drawings:
Fig. 1 is the linkage control device circuit theory diagrams;
Embodiment:
Referring to shown in Figure 1, the utility model shows and keyboard control circuit is made up of demonstration and keyboard control chip D1, resistance R 1, R2, capacitor C 1, C2, C4.D1 is connected with electric fire disaster monitoring equipment by two order wires, D1 can drive 128 LED and show, and have 64 key board interfaces, its inside of the DAT pin of D1 is OPEN DRAIN structure, need outer meeting resistance R1 as pull-up resistor, C1 is that storage capacitor, C2 are filter capacitor, is used for removing the spike and the burr of power supply, resistance R 2, capacitor C 4 formed a RC oscillatory circuit, for showing and keyboard scan provides the clock driving.
Referring to shown in Figure 1, the utility model segment drive circuit is made up of NPN type triode V33-V36, and triode is connected into the form of penetrating grade follower, and this circuit is fit to the driven for emitting lights diode circuit form of anode connection altogether.
Referring to shown in Figure 1, the utility model bit driver circuit is made up of current-limiting resistance R11-R18, filter capacitor C3, shift register D2, D1 imports video data among the 8 bit parallels output serial-in shift register D2 by synchronous shift register, drive cooperating with section, be output as " 0 " and light the LED of relevant position, be output as " 1 " and extinguish the LED of relevant position, the effect of current-limiting resistance R11-R18 is to prevent that digit current is excessive, damages LED.
Referring to shown in Figure 1, the utility model pilot lamp array and key-press matrix are made up of pull down resistor R3-R10, isolation resistance R19-R26, filter capacitor C5, C6, isolating diode V37, V38, light emitting diode V1-V32, button S1-S16.32 light emitting diodes are formed the pilot lamp array of one 8 capable * 4 row, and the anode of every row luminotron links together, and form anode circuit form altogether, and the mode that is scanned by timesharing by D1 is lighted or extinguished corresponding pilot lamp; Button S1-S16 forms the matrix of one 8 capable * 2 row, keyboard and pilot lamp have the partial common circuit, in order to prevent that button operation from impacting display circuit, between keyboard matrix and pilot lamp array, isolation resistance and diode have been increased, the effect of pull down resistor and filter capacitor is to prevent the interference of clutter to button operation in the circuit, avoids reading wrong key assignments.
Claims (5)
1, is used for the linkage control device of electric fire disaster monitoring equipment, it is characterized in that: comprise demonstration and keyboard control circuit, segment drive circuit, bit driver circuit, pilot lamp array and key-press matrix; Demonstration and keyboard control circuit are connected to electric fire disaster monitoring equipment by two order wires, show to be connected with key-press matrix with the pilot lamp array by segment drive circuit, bit driver circuit with keyboard control circuit.
2, the linkage control device that is used for electric fire disaster monitoring equipment according to claim 1 is characterized in that: described demonstration and keyboard control circuit are made up of the RC oscillatory circuit, storage capacitor C1, the filter capacitor C4 that show and keyboard control chip D1, pull-up resistor R1, resistance R 2 and capacitor C 2 constitute.
3, the linkage control device that is used for electric fire disaster monitoring equipment according to claim 1 is characterized in that: the triode that described segment drive circuit is made of 4 NPN type triode V33-V36 is connected into to be penetrated a grade follower and forms.
4, the linkage control device that is used for electric fire disaster monitoring equipment according to claim 1 is characterized in that: described bit driver circuit is made up of current-limiting resistance R11-R18, filter capacitor C3,8 bit parallels output serial-in shift register D2.
5, the linkage control device that is used for electric fire disaster monitoring equipment according to claim 1 is characterized in that: described pilot lamp array and key-press matrix are made up of pull down resistor R3-R10, isolation resistance R19-R26, filter capacitor C5, C6, isolating diode V37, V38, light emitting diode V1-V32, button S1-S16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202113771U CN201322971Y (en) | 2008-12-19 | 2008-12-19 | Linkage control device for electrical fire monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202113771U CN201322971Y (en) | 2008-12-19 | 2008-12-19 | Linkage control device for electrical fire monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201322971Y true CN201322971Y (en) | 2009-10-07 |
Family
ID=41160347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202113771U Expired - Fee Related CN201322971Y (en) | 2008-12-19 | 2008-12-19 | Linkage control device for electrical fire monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201322971Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318698A (en) * | 2014-10-28 | 2015-01-28 | 无锡蓝天电子有限公司 | Fire indication panel control circuit |
| CN106788452A (en) * | 2015-11-23 | 2017-05-31 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooking pot and its indicator lamp and button multiplexing scanning circuit and key scanning method |
-
2008
- 2008-12-19 CN CNU2008202113771U patent/CN201322971Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318698A (en) * | 2014-10-28 | 2015-01-28 | 无锡蓝天电子有限公司 | Fire indication panel control circuit |
| CN104318698B (en) * | 2014-10-28 | 2016-12-07 | 无锡蓝天电子股份有限公司 | A kind of fire display panel control circuit |
| CN106788452A (en) * | 2015-11-23 | 2017-05-31 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooking pot and its indicator lamp and button multiplexing scanning circuit and key scanning method |
| CN106788452B (en) * | 2015-11-23 | 2024-01-16 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooker, indicator light and key multiplexing scanning circuit thereof and key scanning method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20171219 |