CN201299917Y - Multi-line linkage controller for fire-fighting linkage system - Google Patents
Multi-line linkage controller for fire-fighting linkage system Download PDFInfo
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- CN201299917Y CN201299917Y CNU2008201746368U CN200820174636U CN201299917Y CN 201299917 Y CN201299917 Y CN 201299917Y CN U2008201746368 U CNU2008201746368 U CN U2008201746368U CN 200820174636 U CN200820174636 U CN 200820174636U CN 201299917 Y CN201299917 Y CN 201299917Y
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Abstract
Belonging to the technical field of fire-fighting linkage, the utility model relates to a multi-line linkage controller for a fire-fighting linkage system, which is connected between the main control unit of a fire-fighting linkage controller and a multi-line linkage module. The multi-line linkage controller consists of a singlechip circuit, a pulse modulator, a signal detection circuit, a filter circuit and short circuit protection, short circuit monitoring and short circuit isolation circuits, wherein the pulse modulator is connected with the output of the singlechip circuit; the signal detection circuit is connected with the input end of the singlechip circuit; the filter circuit is connected with the output end of the controller; each output is provided with a short circuit protection, short circuit monitoring and short circuit isolation circuit; the outputs of the short circuit monitoring circuits are connected with the singlechip circuit; and the outputs of the singlechip circuit are connected with the short circuit isolation circuits. The multi-line linkage controller resolves the problems of the simultaneous transmission of the power and signals of two buses and the terminal signal distortion of long lines, and moreover, the fault of any circuit cannot affect the normal operation of the other outputs.
Description
Affiliated technical field
The utility model belongs to the fire-fighting link technical field, relates to a kind of multi-thread linkage control device that is used for fire-fighting linkage system.
Technical background
Present multi-thread coordinated control system generally is made up of linkage controller and multi-thread interlock module, output in the linkage controller is generally by relay, button, drive circuit, formations such as signal receiving circuit, multi-thread interlock module is connected on the output double bus of fire protection linkage control device, the feedback input signal of external equipment is delivered to controller by multi-thread interlock module, the fire protection linkage control device regularly sends code signal to multi-thread interlock module, in the multi-thread interlock module microprocessor is arranged, after detecting the coded address that is complementary with oneself address, the state of oneself is sent to the fire protection linkage control device by bus.Because long line and the on-the-spot influence of disturbing, the data of transmission often distort, and are difficult to normal detection.Double bus power supply and signal can not send simultaneously, and the response speed of multi-thread interlock module is subjected to the influence of polling period, can not be very fast, and also can not be fast by the response speed of the fire-fighting equipment of multi-thread interlock module controls.Because many multi-thread interlock modules are connected on the output double bus of fire protection linkage control device, when being short-circuited fault, one tunnel output also can influence the operate as normal of other road outputs.
The utility model content
The purpose of this utility model provides a kind of multi-thread linkage control device that is used for fire-fighting linkage system, the distortion of transmission when it can solve double bus power supply and signal, the terminal bus signals of long line and the fire of multi-thread interlock module respond fast, and any one tunnel output can not influence the operate as normal of other roads outputs when being short-circuited fault.
The multi-thread linkage control device that is used for fire-fighting linkage system provided by the utility model; be connected between fire protection linkage control device main control unit and the multi-thread interlock module; be characterized in by single chip circuit; pulse-modulator; signal deteching circuit; filter circuit and short-circuit protection circuit; short circuit observation circuit and short circuit isolation circuit are formed; the output of pulse-modulator and single chip circuit is joined; the input of signal deteching circuit and single chip circuit joins; filter circuit is connected on the output of multi-thread linkage control device; in every road output of multi-thread linkage control device, short-circuit protection circuit is arranged all; short circuit observation circuit and short circuit isolation circuit; the output order sheet machine circuit of short circuit observation circuit, the output of single chip circuit connects the short circuit isolation circuit.
Operation principle of the present utility model is as described below: the multi-thread linkage control device that is used for fire-fighting linkage system provided by the utility model is connected between fire protection linkage control device main control unit and the multi-thread interlock module, and the fire protection linkage control device is connected to multi-thread interlock modules all on the output double bus by this multi-thread linkage control device to the outside and sends the interlock control signal.When the single chip circuit in the multi-thread linkage control device receives the interlock control signal of fire protection linkage control device main control unit transmission, single chip circuit is encoded to signal transmitted, send code signal to pulse-modulator, pulse-modulator is modulated to code signal to be sent on the power supply, make existing signal on the double bus of output, power supply is arranged again, solved the quick response problem of the interlock that is connected on multi-thread interlock module on the double bus.When the multi-thread interlock module on being connected in parallel on the output double bus is received these interlock control signals, each multi-thread interlock module can both respond according to the state of oneself, control corresponding fire-fighting equipment and start or stop, the pulse signal that multi-thread interlock module is returned is converted to the TTL signal is delivered to the fire protection linkage control device again by single chip circuit main control unit through signal deteching circuit.Receiving that when multi-thread interlock module interlock during control signal, returns the address of oneself at once, the fire protection linkage control device carries out status poll by this address after receiving this address, obtain the duty of this address interlocking equipment rapidly.When simultaneously plural multi-thread interlock module return address being arranged, the current signal that returns is superimposed, and returning the big address of pulse width so will at first be detected.The fire protection linkage control device will at first be patrolled and examined this address, after pinpointing the problems, and system's processing that will take urgent measure.Simultaneously, the single chip circuit in this multi-thread linkage control device is during fire alarm control unit sends signal, and the input signal of down interface device after sending signal ended, is opened input signal, has avoided the interference of output signal to inverse signal.Can filter radio-frequency component in the square waveform that sends at the filter circuit of this multi-thread linkage control device output, reduced the oscillatory occurences of radio-frequency component in transmission course, handle by filtering, the signal quality of terminal bus is improved greatly, solved the distortion problem of the terminal bus signals of long line effectively.In every road output of multi-thread linkage control device, short-circuit protection circuit, short circuit observation circuit and short circuit isolation circuit are arranged all; when the output of a certain road has short circuit to take place; short-circuit protection circuit can make this road output automatic disconnection, when short circuit disappears, can recover automatically; when short circuit takes place; the short circuit observation circuit is to single chip circuit conveying monitoring signal, and single chip circuit starts the short circuit isolation circuit, and this road output is turn-offed; prevent from other road output is impacted, improved the reliability of system greatly.
The multi-thread linkage control device of fire-fighting linkage system that is used for provided by the utility model is because the enforcement of above-mentioned measure, solved the problem that double bus power supply and signal send simultaneously effectively, the distortion of the terminal bus signals of long line and the quick response problem of fire of multi-thread interlock module and fire-fighting link equipment have been solved, be convenient to the fire protection linkage control device and multi-thread interlock module is carried out communication, send order and receive order, the information of feedback fire-fighting link equipment, this any one tunnel output of multi-thread linkage control device that is used for fire-fighting linkage system can not influence the operate as normal of other road outputs when being short-circuited fault.Under heavy load, long line, strongly disturbing situation, all can work reliably.
Description of drawings
Fig. 1 is a circuit frame principle figure of the present utility model;
Fig. 2 is the circuit theory diagrams of an embodiment of the utility model.
The specific embodiment
Further specifying enforcement of the present utility model below in conjunction with accompanying drawing, Figure 1 shows that circuit frame principle figure of the present utility model, is the multi-thread linkage control device that is used for fire-fighting linkage system provided by the utility model in the empty frame.As seen from the figure: the multi-thread linkage control device of fire-fighting linkage system that is used for provided by the utility model is by single chip circuit; pulse-modulator; signal deteching circuit; filter circuit and short-circuit protection circuit; short circuit observation circuit and short circuit isolation circuit are formed; the output of pulse-modulator and single chip circuit is joined; the input of signal deteching circuit and single chip circuit joins; filter circuit is connected on the output of multi-thread linkage control device; in every road output of multi-thread linkage control device, short-circuit protection circuit is arranged all; short circuit observation circuit and short circuit isolation circuit; the output order sheet machine circuit of short circuit observation circuit, the output of single chip circuit connects the short circuit isolation circuit.Fig. 2 is the circuit theory diagrams of the utility model embodiment.This single chip circuit that is used for the multi-thread linkage control device of fire-fighting linkage system adopts single-chip microcomputer D1, the push-pull circuit that pulse-modulator is made of not gate D2, resistance R 1-R4, transistor Q1, Q2 reaches the pull-down circuit that is made of resistance R 5-R8, transistor Q3 and forms, signal deteching circuit is made of comparator N101 and resistance R 30-R33, and wherein the input of pulse-modulator is connected in the P1 mouth of single-chip microcomputer D1 on the P1.3; The another one P1.5 of P1 mouth joins among the output of signal deteching circuit and the single-chip microcomputer D1.Single-chip microcomputer D1 is high performance microprocessor, can receive the interlock control signal that the linkage controller main control unit is sent, return the actuating signal of fire-fighting link equipment simultaneously, two P1.3 of its P1 mouth, P1.5 is the high speed I/O port, can send the high pulse of precision, also can measure pulse width accurately, single-chip microcomputer D1 is when receiving the interlock control signal of fire protection linkage control device main control unit, send code signal by P1.3 in its P1 mouth, send into by resistance R 5-R8, the pull-down circuit that transistor Q3 constitutes is drop-down by force to bus, this code signal that sends is through not gate D2 simultaneously, send into resistance R 1, R2, R3, R4, triode Q1, the promotion circuit that Q2 forms provides to bus and to draw signal on the high level.Filter circuit adopts capacitor C 5, can filter the radio-frequency component in the square waveform that sends, and has reduced the oscillatory occurences of radio-frequency component in transmission course.Signal deteching circuit is made of comparator N101 and resistance R 30-R33, the pulse current that returns of multi-thread interlock module forms a pulse voltage on sample resistance R30, after the another one P1.5 detection of sending into P1 mouth among the single-chip microcomputer D1 after the amplification processing, send fire protection linkage control device main control unit.6 tunnel outputs are arranged among this embodiment, and the short-circuit protection circuit in the output of every road is made of the resettable fuse F1-F6 that is connected in the output of every road; Described short circuit observation circuit is made of two-way three-state bus driver D3, photoelectrical coupler VA1-VA6, resistance R A1-RA6, the colelctor electrode of photoelectrical coupler VA1-VA6 receipts light pipe meets the input A2-A7 of two-way three-state bus driver D3 respectively, and the output B0-B7 of two-way three-state bus driver D3 meets eight P0.0-P0.7 of the P0 mouth of single-chip microcomputer D1; Described short circuit isolation circuit is made of latch D4, photoelectrical coupler VB1-VB6, resistance R B1-RB6, transistor QB1-QB6, the input D1-D8 of latch D4 meets eight P0.0-P0.7 of the P0 mouth of single-chip microcomputer D1, the output Q3-Q8 of latch D4 connects the negative pole of photoelectrical coupler VB1-VB6 luminous tube respectively, the emitter stage that photoelectrical coupler VB1-VB6 receives light pipe connects the base stage of transistor QB1-QB6 by resistance R B1-RB6, and the colelctor electrode of transistor QB1-QB6 meets resettable fuse F1-F6 respectively.These fuses are resettable fuses, when short circuit takes place, can automatic disconnection, monitor by resistance R A1-RA6 and photoelectrical coupler VA1-VA6, after monitoring short-circuit signal, send into single-chip microcomputer D1 by two-way three-state bus driver D3, single-chip microcomputer D1 passes through by latch D4, photoelectrical coupler VB1-VB6, resistance R B1-RB6, the short circuit isolation circuit that transistor QB1-QB6 forms turn-offs output, prevent from other output is impacted, short circuit has taken place in which output, just turn-off that road output, can not impact, when short circuit disappears other road output, can recover automatically, improve system reliability greatly.Short-circuit protection circuit is connected in every road output of multi-thread linkage control device, and therefore the output of N road arranged, and the short out road of N holding circuit is just arranged, and N resettable fuse arranged, and N short out road observation circuit and short circuit isolation circuit are arranged equally.The fire protection linkage control device adopts the way of patrolling and examining to detect to each multi-thread output module, each multi-thread module all has an independently address, might go out current address in original state repeats, when start, controller is connected the multi-thread module in each road respectively, carry out register, set its address according to the multi-thread numbering that is connect then, guarantee that each address do not repeat.
Claims (3)
1; a kind of multi-thread linkage control device that is used for fire-fighting linkage system; be connected between fire protection linkage control device main control unit and the multi-thread interlock module; it is characterized in that by single chip circuit; pulse-modulator; signal deteching circuit; filter circuit and short-circuit protection circuit; short circuit observation circuit and short circuit isolation circuit are formed; the output of pulse-modulator and single chip circuit is joined; the input of signal deteching circuit and single chip circuit joins; filter circuit is connected on the output of multi-thread linkage control device; in every road output of multi-thread linkage control device, short-circuit protection circuit is arranged all; short circuit observation circuit and short circuit isolation circuit; the output order sheet machine circuit of short circuit observation circuit, the output of single chip circuit connects the short circuit isolation circuit.
2, according to the described multi-thread linkage control device that is used for fire-fighting linkage system of claim 1, it is characterized in that: described single chip circuit adopts single-chip microcomputer (D1), the push-pull circuit that pulse-modulator is made of not gate (D2), resistance (R1-R4), transistor (Q1, Q2) reaches the pull-down circuit that is made of resistance (R5-R8), transistor (Q3) and forms, signal deteching circuit is made of comparator (N101A) and resistance (R30-R33), and wherein the input of pulse-modulator is connected in the P1 mouth of single-chip microcomputer (D1) on one (P1.3); Another one (P1.5) joins in the output of signal deteching circuit and single-chip microcomputer (D1) the P1 mouth.
3, the multi-thread linkage control device that is used for fire-fighting linkage system according to claim 1 and 2 is characterized in that described short-circuit protection circuit in every road output of multi-thread linkage control device is made of the resettable fuse (F1-F6) that is connected in the output of every road; Described short circuit monitor signal is made of two-way three-state bus driver (D3), photoelectrical coupler (VA1-VA6), resistance (RA1-RA6), the colelctor electrode of photoelectrical coupler (VA1-VA6) receipts light pipe connects the input (A2-A7) of two-way three-state bus driver (D3) respectively, the output (B0-B7) of two-way three-state bus driver (D3) meets eight (P0.0-P0.7) of the P0 mouth of single-chip microcomputer (D1), the negative pole of photoelectrical coupler (VA1-VA6) luminous tube connects resettable fuse (F1-F6), and its positive pole connects resettable fuse (F1-F6) by resistance (RA1-RA6); Described short circuit isolation circuit is by latch (D4), photoelectrical coupler (VB1-VB6), resistance (RB1-RB6), transistor (QB1-QB6) constitutes, the input (D1-D8) of latch (D4) meets eight (P0.0-P0.7) of the P0 mouth of single-chip microcomputer (D1), the output (Q3-Q8) of latch (D4) connects the negative pole of photoelectrical coupler (VB1-VB6) luminous tube respectively, the emitter stage that photoelectrical coupler (VB1-VB6) is received light pipe connects the base stage of transistor (QB1-QB6) by resistance (RB1-RB6), and the colelctor electrode of transistor (QB1-QB6) connects resettable fuse (F1-F6) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201746368U CN201299917Y (en) | 2008-10-28 | 2008-10-28 | Multi-line linkage controller for fire-fighting linkage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201746368U CN201299917Y (en) | 2008-10-28 | 2008-10-28 | Multi-line linkage controller for fire-fighting linkage system |
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| Publication Number | Publication Date |
|---|---|
| CN201299917Y true CN201299917Y (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201746368U Expired - Fee Related CN201299917Y (en) | 2008-10-28 | 2008-10-28 | Multi-line linkage controller for fire-fighting linkage system |
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| Country | Link |
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| CN (1) | CN201299917Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294100A (en) * | 2010-06-28 | 2011-12-28 | 陕西兰德森茂消防科技有限公司 | Fire extinguishing control device |
| CN104780981A (en) * | 2012-09-23 | 2015-07-15 | 泰科消防产品有限合伙公司 | Fire suppression systems and methods |
-
2008
- 2008-10-28 CN CNU2008201746368U patent/CN201299917Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294100A (en) * | 2010-06-28 | 2011-12-28 | 陕西兰德森茂消防科技有限公司 | Fire extinguishing control device |
| CN102294100B (en) * | 2010-06-28 | 2016-08-03 | 陕西兰德森茂消防科技有限公司 | Fire control unit |
| CN104780981A (en) * | 2012-09-23 | 2015-07-15 | 泰科消防产品有限合伙公司 | Fire suppression systems and methods |
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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: 20090902 Termination date: 20121028 |