CN104122369A - Smoke detection unit, smoke detection system, and smoke detection device - Google Patents
Smoke detection unit, smoke detection system, and smoke detection device Download PDFInfo
- Publication number
- CN104122369A CN104122369A CN201410171698.3A CN201410171698A CN104122369A CN 104122369 A CN104122369 A CN 104122369A CN 201410171698 A CN201410171698 A CN 201410171698A CN 104122369 A CN104122369 A CN 104122369A
- Authority
- CN
- China
- Prior art keywords
- smoke
- smoke detection
- chamber
- unit
- detector
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/10—Arrangements in telecontrol or telemetry systems using a centralized architecture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/30—Arrangements in telecontrol or telemetry systems using a wired architecture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
- H04Q2209/82—Arrangements in the sub-station, i.e. sensing device where the sensing device takes the initiative of sending data
- H04Q2209/823—Arrangements in the sub-station, i.e. sensing device where the sensing device takes the initiative of sending data where the data is sent when the measured values exceed a threshold, e.g. sending an alarm
Abstract
The invention relates to a smoke detection unit (10) with a housing, especially used on ships to detect smoke in sample gas. The unit comprises a smoke detection device integrated in the housing, at least an inlet for the sample gas, devices (5,7) connected with an aspirator (6) used for the sample gas, and/or the aspirator for the sample gas, and a signal output end (2). The smoke detection unit is simple in installation, small in space occupation, and can be preferably integrated in a shipborne monitoring system. The smoke detection unit has an additional singal connection device, used to electrically connect with at least a detection device arranged in a remote manner and preferably electrically connect with data lines of other smoke detection devices, and at least a communication and analysis unit used to communicate with the remote detection device through a signal connection device, or the smoke detection device is provided with a dust filter and/or a sample room is provided with a device used for air flow monitoring.
Description
Technical field
The present invention relates to a kind of smoke detection unit with housing, particularly use on boats and ships, for surveying the smog of sample gas, this smoke detection unit comprises: at least one is integrated in the smoke detector in housing; At least one is for the input port of sample gas; Be connected to device on sample gas aspirator and/or for the aspirator of sample gas; And signal output element.
The invention still further relates to a kind of smoke detection system, for monitoring redundantly the freight house on boats and ships, this smoke detection system comprises: at least one smoke detection as described in the preamble as claimed in claim 1 unit; At least one aspirator, for being transported to smoke detection unit by the sample gas from each freight house; And be at least according to the selected quantity of freight house quantity to be monitored, be arranged in each freight house, be preferably arranged in snorkel and with the sniffer of data line, be preferably smoke detector.
Finally, the invention still further relates to a kind of smoke detector, it is particularly as the assembly of smoke detection system as described in any one in claim 8 to 10 and be arranged on the snorkel of boats and ships freight house, this smoke detector has: be furnished with for making the sampling pipe of the radial perforation of gas inflow to be monitored, this sampling pipe is laterally arranged in snorkel with respect to the flow direction of gas to be monitored; Be parallel to the efferent duct that sampling pipe staggers and arranges, with so that gas backstreaming to be monitored in snorkel; Sampling pipe and efferent duct are flowed and couple together and make the gas to be monitored can be along the percolation direction percolation from sampling pipe to efferent duct and the sample room of crossing; And be arranged on the smoke detector in sample room.
Background technology
In order to identify the fire occurring in freight house, on boats and ships, use so-called drawing-in type smoke detection equipment.This equipment, by using special suction ventilation unit, extracts sample gas via carbon-dioxide fire engine pipeline from monitored freight house.These sample gas are chemically examined with regard to smog in special equipment.Distribution for each freight house can be guaranteed by variety of way.
For a period of time, even in order to meet the strict official's requirement of foreign-going ship fireproof, people also will make every effort to realize the redundant arrangement to monitoring device.This redundancy is to realize by the additional smog measurement mechanism in the gas outlet of each freight house at foreign-going ship at this.
For this reason, the drawing-in type smoke detection equipment of the above-mentioned type can configure additional tail pipe, is directed to the top of the exhaust duct of each freight house.Yet this is very expensive, particularly this additional tail pipe under fire extinguishing state must and CO
2gas supply device departs from, otherwise fire extinguishing agent will be transported to outside by snorkel fan blower without meaning.
In addition, propose in the prior art: except drawing-in type smoke detection equipment, at the CO of boats and ships
2fire detection equipment is installed in chamber, and the smoke detector of its drive installation in freight house gas outlet also obtains its data.But need to carry out expensive wiring at this, and disadvantageously at CO
2space requirement in chamber is also very high.Another shortcoming is, the cost being integrated in boat-carrying monitoring system is very high.
Summary of the invention
Therefore, the object of the invention is to propose a kind of fire detection equipment of redundancy of all cargo holds for foreign-going ship, its install simple, requisite space is little and can be integrated in especially well in boat-carrying monitoring system.
In order to realize this object, a kind of smoke detection unit that starts described type is herein proposed, it has: additional signal connection device, is electrically connected to for the sniffer with at least one long-range setting, the data conductor that is preferably another smoke detector; And at least one communication and analytic unit, for the sniffer by signal connection device and long-range setting, carry out communication.According to the present invention advantageously, drawing-in type smoke detection equipment is carried out to functional expansion to the full extent, make its also can be with smoke detection unit matchingly for scene to being arranged on freight house, preferably analyzing at the smoke detector of exhaust duct.According to the present invention advantageously, only must be at CO
2an independent equipment is set in ampuliform chamber.Can make thus space requirement advantageously remain in lower level as wiring expense.In addition, can also be to scattering device the smoke detector in freight house and the measuring-signal that is arranged on the smoke detector in apparatus casing unify to process because these signals are all gathered in according in smoke detection of the present invention unit and further process.
Of the present invention a kind of preferred embodiment in, coupling arrangement is designed to connect two-wire wire (Zweidrahtleitung).As known in the art, use two-wire wire that outside sniffer is connected to according to making a plurality of outer locators form the connection of circuit form by two-wire wire on smoke detection of the present invention unit.For example, the smoke detector in different freight houses or a plurality of smoke detectors of being arranged on a different location in cargo hold can be connected to by the same two-wire wire of signal wire form according in the communication and analytic unit of smoke detection of the present invention unit.
In a kind of particularly preferred embodiment of the present invention, coupling arrangement is designed to connect even number root two-wire wire, especially two two-wire wires.Under framework of the present invention, can make in this way the signal wire being connected with a plurality of outer locators be connected with analytic unit with communication on two ends, thereby form closed loop detection circuit (geschlossenen Meldeschleife).The advantage of this closed loop detection circuit is, even the in the situation that of short circuit, and also can be by realizing from two side drive detection circuits control and the inquiry that is connected to the sensor two-wire wire to all.
In another preferred embodiment of smoke detection according to the present invention unit, the communication identifier foundation that communication is corresponding with specific sniffer with analytic unit basis and the communication of this sniffer.For example, a plurality of smoke detectors can be connected in turn on detection circuits closed loop, the two poles of the earth, at this, each smoke detector has independent address.Thisly according to addressability of the present invention (Adressierbarkeit), make it possible to receive the signal of different detectors and distinguish, even if these detectors are connected on unique detector loop successively.Therefore, according to the advantage of smoke detection of the present invention unit, be, can determine being arranged on on-the-spot detector has sent specific information for which freight house.
For for example identification is polluted, preferred embodiment a kind of according to smoke detection of the present invention unit, is designed to communication and analytic unit can receive simulating signal.Thus, the value of outer locator not only can be being-no flow process provides, but also can be the analogue value, at this, for example, when surpassing specific critical value, will produce miscue.
In order to improve security by unified operating concept, in the embodiment of smoke detection according to the present invention unit, communication and analytic unit are designed to, under the maximum current that can not light at explosion hazard gases and/or maximum voltage directly with the sniffer communication of long-range setting.At this, do not need voltage or the electric current on active accommodation sniffer.According to the present invention, can on smoke detection according to the present invention unit, connect detection circuit in this way, on this detection circuit, not only can access the detector for safety and explosion-proof field, i.e. so-called Ex-IS-detector, but also can access standard detector.According to the present invention advantageously, can utilize eedle (Stiche) that Ex-IS-detector is connected on detection circuit, and need between loop voltage and the voltage of eedle, not change.Only need on interface, make the eedle on detection circuit insulate with this loop, and provide the safety curtain (Sicherheitsbarrieren) of regulation for the operation of explosion-proof smoke detector.As everyone knows, the loop voltage of standard is given for the smoke detector in non-explosive hazard environment conventionally.By contrast, the smoke detector in explosive hazard environment must be with the curtage work reducing.Be accordingly therewith, need in the prior art to use so-called protocol converter (Protocal Translator), this protocol converter can be the value reducing from being applicable to the standard value active accommodation of non-explosive hazard environment by voltage or electric current, and the value of this reduction is absolutely necessary for the use in explosive hazard environment.
In a kind of preferred expansion scheme of smoke detection according to the present invention unit, communication and analytic unit are designed to the short circuit isolator (Kurzschlusssisolator) of control linkage in data line.Particularly when using two-wire wire as data line, be well known that between the detector being arranged on detection circuit or detection circuit and configure short circuit isolator, in the situation that being short-circuited, short circuit isolator can be separated the detector being arranged in thereafter from this loop.Utilization is according to smoke detection of the present invention unit, and communication and analytic unit can be controlled the short circuit isolator of surveying in circuit or detection circuit, to make circuit pack separated with short circuit.If a plurality of each addressable short circuit isolator are set in the detection circuit on being connected in smoke detection unit, communication and analytic unit can advantageously be controlled for independent short circuit isolator, thereby can realize according to short circuit in the position of detection circuit inside, broken parts is separated with loop.The ultimate principle of the short circuit isolator in detection circuit can for example obtain from patent documentation DE3637681A1, walks to the 5th hurdle the 19th row on the 4th hurdle the 26th.
In framework of the present invention, equally also can use autonomous (autark) short circuit isolator of function.That is to say, when being short-circuited in the line, short circuit isolator can automatically be separated the circuit pack being short-circuited.Therefore because two-wire detection circuit is all connected to smoke detection center (Rauchmeldezentrale) (one end is output terminal, and one end is input end) at two ends, need " remembeing ": do not have a lot of signals pending at its input end etc.Then, smoke detection center is transformed into output function automatically at its input end.Because each smoke detector in loop (except the detection circuit part in explosive hazard environment) can advantageously configure short circuit isolator, the short circuit isolator that is therefore positioned at short circuit opposite side can be made a response and isolate the part being short-circuited a side of short circuit.Now, the short circuit part in two-wire conductor is isolated from both sides, and two remaining intact parts can operate from one end respectively.Under this mode of operation, not to only have smoke detector malfunctioning, unless not two-wire conductor, but smoke detector is short-circuited.Because smoke detection center is known, it is switched to output from input, so it will produce miscue.For this use mode of operation of short circuit isolator independently, not need to from or go to the information flow of short circuit isolator.
Object of the present invention can realize by a kind of smoke detection system of monitoring redundantly the freight house on boats and ships equally, and this smoke detection system has: at least one smoke detection as described in the preamble as claimed in claim 1 unit; At least one aspirator, for carrying sample gas from each freight house to smoke detection unit; And the quantity of at least selecting according to freight house quantity to be monitored, be arranged in each freight house, preferably be arranged in snorkel and with the sniffer of data line, be preferably smoke detector, wherein, smoke detection unit is the smoke detection unit as described in any one in claim 1 to 7.
According to smoke detection system of the present invention a kind of preferred embodiment in, the data line of a plurality of sniffers is jointly connected to one and surveys in circuit, at this, preferably this detection circuit is connected on the signal connection device of smoke detection unit by two ends in order to form detection circuit.For example, a plurality of smoke detectors of the smoke detector of different cargo holds or a freight house inside can be connected in a detection circuit jointly by its data line.If the two ends of surveying circuit are connected on the signal connection device of smoke detection unit, will advantageously obtain a detection circuit, when being short-circuited, can control from both sides this detection circuit, to guarantee the availability of detector.
In order only to adopt single operating concept to increase security on boats and ships, according in a kind of expansion scheme of smoke detection system of the present invention, at least one sniffer is designed to (eigensicher) from safety, its signal wire is connected to and surveys on circuit and/or detection circuit as eedle, at this, from maximum working voltage and/or the maximum operating currenbt of safety-type sniffer, substantially conform to the remaining non-maximum working voltage from safety-type sniffer and/or maximum operating currenbt.In this way can be advantageously will as eedle, link together from safety-type sniffer with being positioned at non-on closed loop from safety-type sniffer, and without changing between loop voltage and eedle voltage or loop current and eedle electric current.Therefore, owing to can omit the installation of the converter between loop voltage and eedle voltage or loop current and eedle electric current according to the present invention, thereby not only can advantageously simplify the operation to smoke detection according to the present invention unit, but also can advantageously simplify installment work.
Finally, according to object of the present invention, can also realize by a kind of smoke detector of aforementioned type, this smoke detector is particularly as the assembly of the smoke detection system of aforementioned type, wherein, in the sample room of smoke detector upstream, dust filter is set, this dust filter can not pass through for dust and other suspended particle, and can pass through for smoke particle.Especially can be the open mesh dust filter of three fine pores of difference of this dust filter configuration.This dust filter can filter component form easily change and be arranged in the housing of snorkel detector.
According to object of the present invention, can realize by a kind of smoke detector of aforementioned type equally, wherein dispose for carry out the device of air-flow monitoring in sample room.Advantageously, according to the air-flow monitoring in the sample room of smoke detector, air flow switch can send signal on detection circuit, and this signal is issued as the pinpoint error signal having associated conduit detector.For example, when being monitored by air-flow when no longer including percolation in known sample room and flowing, can send error signal.This may show in sample room, to occur stopping up, so the measured value of smoke detector is otiose.
Particularly according to smoke detector of the present invention, not only can there is dust filter, can also there is the device for air-flow monitoring.
According to smoke detector of the present invention a kind of preferred embodiment in, device for air-flow monitoring comprises the baffle plate that is arranged on air-flow, wheel shape part and/or differential pressure measurement device by air stream drives, at this, preferably signal output be set to simulate addressing and/or as impedance-encoded.
According in the expansion scheme of smoke detector of the present invention, sample room has: the first chamber being connected with sampling pipe is provided with dust filter in this first chamber; With the second chamber being connected with efferent duct, in this second chamber, be provided with smoke detector.According to the present invention, by these measures, can especially effectively guarantee the protection of smoke detector to dust, and can realize percolation equably and pass through the second chamber, thereby can realize especially reliably the measurement of smoke detector.
Of the present invention a kind of preferred embodiment in, between the first chamber and the second chamber, arrange the first chamber and the separated partition wall of the second chamber, on this partition wall, be provided with overflow vent.Can in the region of the second chamber that comprises smoke detector, advantageously realize in this way flow homogeneity (
).
In another preferred embodiment of the present invention, differential pressure measurement device is designed for to the pressure differential of measuring between the first chamber and the second chamber, can determine thus and in measuring chamber, occur to stop up or filtrator overload, the measured value of smoke detector is useless in this state.
Accompanying drawing explanation
In conjunction with preferred implementation, the present invention is done to exemplary explanation below with reference to accompanying drawings, wherein, other preferred detail section has been taken away in the accompanying drawings.At this, the parts that function is identical have identical Reference numeral.In accompanying drawing diagram, show in detail:
Fig. 1 schematically shown have according to smoke detection of the present invention unit according to the wiring of smoke detection system of the present invention;
Fig. 2 has schematically shown the pipeline according to smoke detection of the present invention unit of smoke detection system as shown in Figure 1 and has laid;
Fig. 3 schematically shown be arranged on snorkel according to snorkel detector of the present invention.
Wherein, description of reference numerals is as follows:
1 T-valve
2 cable splices
3 suction hoses
4 shells
5 delivery outlets
6 unit ventilators
7 steel pipes
8CO
2storer
9CO
2chamber
10 smoke detection centers
11 input ports
12 safe freight houses
13 have the freight house of explosion danger
14 fire extinction pipelines
The ventilation duct of 15 safe freight houses
16 have the ventilation duct of the freight house of explosion danger
17 have the freight house of explosion danger
18 safe freight houses
The ventilation duct of 19 safe freight houses
20 have the ventilation duct of the freight house of explosion danger
The electrical interface of the 21 two-wire wires for (passing through cable splice)
22 (by cable splice) primary power
23 (by cable splice) emergency power pack
24 (by cable splice) wire
25 (by cable splice) two-wire wire
26 (by cable splice) two-wire wire
27 smoke detectors
28 smoke detectors
29 short circuit isolators
30 communications and analytic unit
31 safety barriers
32 eedles
33 from safety-type smoke detector
34 from safety-type smoke detector
35 instruction bridges
36 operation and display units
37 (by cable splice) signal wire
38 (by cable splice) signal output part
The unit ventilators of 39 vessel's side
The housing of 40 snorkel detectors
Dismountable lid of 41 ventilation duct detector housings
The first chamber of 42 ventilation duct detector housings
The second chamber of 43 ventilation duct detector housings
44 (tightening in ventilation duct detector housing) sample gas input pipe
45 sample gas input ports
The closing plug of 46 sample gas input pipes
The support angle-shaped piece of 47 sample gas input pipes
48 (tightening in the housing of ventilation duct detector) sample gas efferent duct
Seal between 49 ventilation duct outer walls and the housing of ventilation duct detector respectively has one on sample gas input pipe and sample gas efferent duct
Partition wall between 50 first chambers and the second chamber
Overflow vent between 51 first chambers and the second advantage
52 pressure difference switches
The measurement mouth of 53 pressurizeds for the first chamber
The measurement mouth of 54 pressurizeds for the second chamber
55 filter components
The air-flow from freight house of 57 ventilation duct inside
100 ventilation duct detectors.
Embodiment
In Fig. 2, schematically shown according to smoke detection of the present invention center 10.This smoke detection center 10 have shell (
) 4.Unshowned smoke detector is installed in shell 4.This shell 4 has input port 11.Each input port 11 is connected on T-valve 1 by suction hose 3.Each T-valve 1 utilizes an interface to pass through CO in the mode not being shown specifically
2discharge and CO
2storer 8 is connected, and utilizes another interface to be connected with fire extinction pipeline 14.
Fire extinction pipeline 14 connects each T-valve 1 being connected with freight house 12,13,17,18 respectively.Signal conductor or electrical wire are not shown in Fig. 2.The shell 4 at smoke detection center 10 also has delivery outlet 5, and it is connected on unit ventilators 6 by steel pipe 7.Unit ventilators 6 is extracted sample gas out and is transported in shell 4 by fire hose 14, T-valve 1 and suction hose 3 from freight house 12,13,17,18.In shell 4, the sample gas of extracting out from freight house 12,13,17,18 is conducted through unshowned smoke detector, and arrives outside by delivery outlet 5 and steel pipe 7.
In the shell 4 at smoke detection center 10, have less housing, these housings are distinguished exactly corresponding to suction hose 3, T-valve and fire hose 14, and therefore corresponding with freight house 12,13,17,18.In each separate housing, be provided with smoke detector.Therefore, these separate housings are by exactly by the sample gas percolation in freight house corresponding thereto and mistake.Thus, can identify also correctly implementation space correspondence to the development (Rauchentwicklung) of the smog in each freight house 12,13,17,18.At this, for example regard freight house 12,18 as safety zone, with regard to anti-explosion safety, to being arranged on measuring equipment there, there is no specific (special) requirements there.On the other side is exemplarily to regard freight house 13,17 as have explosion danger region, at this, only allows to use to have low-down maximum current, thereby has got rid of the flammable from safety-type parts of explosion hazard gases.
As shown in Figure 2, the freight house 12 of safety has snorkel 15, has the freight house 13 of explosion danger to have snorkel 16.In addition, in Fig. 2, also showing another that have the safe freight house 18 of snorkel 19 and have a snorkel 20 has the freight house 17 of explosion danger, and they are all closed by rights.Also schematically shown in addition CO
2storer 8.CO
2storer 8, smoke detection center 10, T-valve 1, unit ventilators 6 and all flexible pipe 3 and steel pipes 7 are all positioned at the CO schematically showing
2in chamber 9.Smoke detection center 10 have in Fig. 2, schematically show, for the electrical interface 21 of two-wire wire.In each snorkel 15,19,16,20, shipboard unit ventilators 39 is set, with thinking that each freight house 12,18,13 or 17 ventilates.
In Fig. 1, schematically shown the detailed view of the wiring of smoke detection system as shown in Figure 2.This figure shows CO as shown in Figure 2 equally
2chamber 9.Yet assembly wherein only means the wiring that they participate in.Therefore, suction hose 3 is not especially shown in Fig. 1, T-valve 1 or there is no CO
2storer 8.But at CO
2in chamber 9, can see smoke detection center and/or for the electrical interface 21 of two-wire wire.
As shown in Figure 1, smoke detection center 10 is connected with emergency power pack 23 with primary power 22.By smoke detection center 10 and by means of wire 24, to unit ventilators 6, power.Next it is pointed out that and on the electrical interface 21 at smoke detection center 10, be connected with respectively two-wire wire 25,26.Two-wire wire 25 is introduced into the snorkel 15 of safe freight house 12.In the snorkel 15 of safe freight house 12, smoke detector 27,28 is connected in turn on two-wire wire 25.The short circuit isolator 29 that access schematically shows between smoke detector 27 and 28.Smoke detector the 27, the 28th, does not have the standard detector of special explosive-proof protector.Short circuit isolator 29 for when being short-circuited between smoke detector 27 and 28 on its installation site code wire.Short circuit isolator 29 is subject to communication in smoke detection center 10 and the control of analytic unit 30.Alternatively, under framework of the present invention, can adopt the short circuit isolator can work independently, it does not carry out communication with communication and analytic unit 30 yet.
Two-wire wire 25 is out connected with another smoke detector 27,28 that is arranged in the snorkel 19 of safe freight house 18 by another short circuit isolator 29 from the snorkel of safe freight house 12, same access short circuit isolator 29 between another smoke detector 27,28.
Be arranged in safe freight house 18 snorkel 19 smoke detector 27 after, two-wire wire 25 is connected with the safety barrier (Sicherheitsbarriere) 31 that includes loop isolator.Safety barrier 31 is just schematically illustrated merely in the inside of interface hull/terminal box 40.
In interface hull 40, actual safety barrier and two short circuit isolators are combined, by them, can be when breaking down eedle and actual detector loop be separated.Safety barrier can prevent that the electric current of explosion-proof part is increased to danger level.Eedle 32 is connected on two-wire wire 25 by two-wire wire via safety barrier 31.Eedle 32 comprises that two from safety-type smoke detector 33,34, they be arranged on the snorkel 20 of freight house 17 of explosion danger total in.In safety barrier 31, there is no the protocol converter as voltage and current converter.
Can on two-wire wire 25, by another safety barrier 31, connected and had another eedle from safety-type smoke detector 33,34 in a similar fashion, this safety-type smoke detector be arranged in the snorkel 20 of the freight house 17 of explosion danger.Output terminal at the second safety barrier 31 connects the second double line wire 26, thereby forms detection circuit together with two-wire wire 25.
In Fig. 1, also schematically shown instruction bridge 35.Instruction bridge can also be fire control station in this view framework, in other words can be by signal wire 37 link order bridges and spatially away from the fire control station of instruction bridge.In instruction bridge 35, be provided with operation and display unit 36, it is connected with analytic unit 30 with the communication being integrated in wherein with smoke detection center 10 by signal wire 37, thus can receive from measured value and the warning at smoke detection center 10 and control smoke detection center 10 with and the detector of upper connection.Operation and display unit 36 have signal output 38, and it is further delivered to control and monitoring system for ships or the registering instrument of navigating.
No matter be the smoke detector 27,28 for safe freight house 12,15, still have explosion danger freight house 16,20 from safety-type smoke detector 33,34, all there is operating voltage and working current, this makes at the shared detection circuit being formed by two-wire wire 25,26 inner, within its safe edge dividing value, both can use from safety-type detector, also can use non-ly from safety-type detector, and no longer need protocol converter module or electric pressure converter.
Detector 27,28,33,34 is configured to simulate addressing.When alarm circuit drives by two-wire wire 25 and another two-wire wire 26, in the time of can driving from two ends, even also can read detector by short circuit isolator 29 under short-circuit conditions.
The present invention provides a kind of smoke detection system and a kind of smoke detection center 10 in this way, utilize this smoke detection system and this smoke detection center, by combining and integrate existing drawing-in type smoke detection equipment and the scattering device detector 27,28,33,34 in ventilation duct 15,16,19,20, not only can save space, but also wiring cost that can be minimum realizes to safe freight house 12,18 and has the redundancy of the freight house 13,17 of explosion danger to monitor.This system can be realized and operated completely and read by instruction bridge by being arranged on operation and the display unit 36 of there.
According to the present invention, in sample room, be detector 27,28,33,34 configuration dust filters, and they also have air-flow monitoring device.
Fig. 3 has schematically shown according to the smoke detector of snorkel detector form of the present invention, and it generally indicates with Reference numeral 100.Snorkel detector 100 has housing 40, and this housing has dismountable lid 41.In the housing 40 of snorkel detector 100, be provided with the smoke detector 34 from safety-type.But under framework of the present invention, even if service condition allows smoke detector can not to be designed to from safety.
The housing 40 of snorkel detector 100 is separated wall 50 and is separated into the first chamber 42 and the second chamber 43.Smoke detector 34 is arranged in the second chamber 43 of housing 40.In the first chamber 42 of housing 40, be provided with filter component 55.The first chamber 42 of housing 40 engages with sample gas input pipe 44 screws.Sample gas input pipe 44 disposes radially sample gas input port 45.As shown in Figure 3, the other end of sample gas input pipe 44 is fixed in gas outlet 20 by means of closing plug 46 and support angle-shaped piece 47.Smoke detector 34 is arranged in second chamber 43 of housing 40 of snorkel detector 100, and this second chamber engages with sample gas efferent duct 48 screws.
As shown in Figure 3, snorkel detector 100 is arranged on the gas outlet 20 of freight house like this: sample gas input pipe 44 and sample gas efferent duct 48 in gas outlet 20 with respect to side insertion gas outlet 20 inside laterally of the air-flow 57 from boats and ships freight house, thereby make sample gas input port 45 with respect to air-flow 57 open locate so that can enter from the sample gas of gas outlet 20 in first chamber 42 of housing 40 of snorkel detector 100.
For this reason, sample gas efferent duct 48 has opening on its end, this opening is with respect to air-flow 57 located lateral of gas outlet 20 inside, so that the inside at the second chamber 43 of housing 40 produces negative pressure, this negative pressure makes the sample gas percolation that flows into sample gas input pipes 44 by sample gas input port 45 by the first chamber 42 and the second chamber 43.At this, filter component 55 is arranged on the downstream of sample gas input pipe 44.In addition, the partition wall 50 between the first chamber 42 and the second chamber 43 has overflow vent 51, and sample gas spills into the second chamber 43 from the first chamber 42 by this overflow vent.Being applied in this and sealing by seal 49 of the side direction of snorkel detector 100 fixing and sample gas input pipe 44 or sample gas efferent duct 48.
In order to check the shutoff to the overflow vent 51 in filter component 55 and/or partition wall 50, in the first chamber 42, in the downstream of filter component 55, directly the upstream side at partition wall 50 arranges pressure difference switch 52.Pressure difference switch 52 has for the measurement mouth 53 of the pressurized of the first chamber 42 with for the measurement mouth 54 of the pressurized of the second chamber 43.At this, for the measurement mouth 54 of the pressurized of the second chamber 43, be conducted through the partition wall 50 between the first chamber and the second chamber.
Claims (17)
1. a smoke detection unit (10), has housing, particularly uses on boats and ships, and for surveying the smog of sample gas, this smoke detection unit comprises: at least one is integrated in the smoke detector in described housing; At least one input port for sample gas (11); Be connected to device (5,7) on the aspirator (6) for sample gas and/or for the aspirator (6) of sample gas; And signal output part (2), it is characterized in that, this smoke detection unit has additional signal connection device (21), for with the sniffer of at least one long-range setting, be preferably other smoke detectors (27,28,33,34) data line (25,26) be electrically connected to, and at least one communication and analytic unit (30), for the sniffer (27,28 with described long-range setting by described signal connection device (21), 33,34) carry out communication.
2. smoke detection as claimed in claim 1 unit (10), is characterized in that, described coupling arrangement (21) designed to be used and connects two-wire wire (25,26).
3. smoke detection as claimed in claim 1 or 2 unit (10), is characterized in that, described coupling arrangement (21) designed to be used and connects even number root two-wire wire, particularly two two-wire wires (25,26).
4. the smoke detection unit (10) as described in any one claim above, it is characterized in that described communication and analytic unit (30) basis and specific sniffer (27,28,33,34) corresponding communication identifier foundation and the communication of this sniffer.
5. the smoke detection unit (10) as described in any one claim above, is characterized in that, described communication and analytic unit (30) designed to be used reception simulating signal.
6. the smoke detection unit (10) as described in any one claim above, it is characterized in that, described communication and analytic unit (30) are designed to, under the maximum current that can not light at explosion hazard gases and/or maximum voltage with the sniffer (27 of described long-range setting, 28,33,34) Direct Communication, wherein, do not need sniffer (27 described in active accommodation, 28,33,34) voltage on or electric current.
7. the smoke detection unit (10) as described in any one claim above, is characterized in that, described communication and analytic unit (30) are designed to the short circuit isolator (29) of control linkage in described data line (25,26).
8. a smoke detection system, for monitoring redundantly the freight house (12,13,17,18) on boats and ships, this smoke detection system comprises: at least one smoke detection as described in the preamble as claimed in claim 1 unit (10); At least one aspirator (6), for being transported to described smoke detection unit (10) from the sample gas of each freight house (12,13,17,18); And be at least according to freight house to be monitored (12,13,17,18) quantity that quantity is selected, be arranged on each freight house (12,13,17,18) in, be preferably arranged on described snorkel (15,16,19,20), in and with the sniffer of data line, be preferably smoke detector (27,28,33,34), it is characterized in that, described smoke detection unit (10) is the smoke detection unit as described in any one in claim 1 to 7.
9. smoke detection system as claimed in claim 8, it is characterized in that, a plurality of sniffers (27,28,33,34) data line (25,26) is jointly connected to one and surveys in circuit, wherein, preferably this detection circuit in order to form detection circuit, two ends are connected on the signal connection device (21) of described smoke detection unit (10).
10. smoke detection system as claimed in claim 8, it is characterized in that, described at least one, sniffer (33,34) be designed to from safety, and its signal wire is connected on described detection circuit (25) and/or described detection circuit as eedle (32), wherein, described from safety-type sniffer (33,34) maximum working voltage and/or maximum operating currenbt conform to remaining non-maximum working voltage and/or maximum operating currenbt from safety-type sniffer (27,28) substantially.
11. 1 kinds of smoke detectors (100), particularly as the assembly of smoke detection system as described in any one in claim 8 to 10, and be arranged on the freight house (12 of boats and ships, 13,17,18) snorkel (56) is upper, and this smoke detector has: dispose for making the sampling pipe (44) of the radial perforation (45) of gas inflow to be monitored, this sampling pipe is laterally arranged in described snorkel (56) with respect to the flow direction of gas to be monitored; Be parallel to the efferent duct (48) that described sampling pipe (44) staggers and arranges, use so that gas backstreaming to be monitored is arrived in described snorkel (56); Described sampling pipe (44) and described efferent duct (48) are flowed is connected and make the gas to be monitored can be along the percolation direction percolation from described sampling pipe (44) to described efferent duct (48) and the sample room (42,43) of mistake; And be arranged on described sample room (42,43) smoke detector in (34), it is characterized in that, in described sample room (42,43) in, in the upstream of described smoke detector (34), dust filter (55) is set, this dust filter is designed to, and dust and other suspended particle can not be passed through, and smoke particle can pass through.
12. as the smoke detector as described in the preamble (100) of claim 11, it is characterized in that, has and is arranged on the device (52) of monitoring for air-flow in described sample room (42,43).
13. smoke detectors (100) as described in claim 11 and 12.
14. smoke detectors (100) as described in any one in claim 11 to 13, it is characterized in that, the described device for air-flow monitoring comprises and is arranged on the baffle plate of air-flow and by wheel shape part and/or the differential pressure measurement device (52) of air stream drives, wherein, preferably signal output be set to simulate addressing and/or be designed to impedance-encoded.
15. smoke detectors (100) as described in any one in claim 11 to 14, it is characterized in that, described sample room has: the first chamber (42) being connected with described sampling pipe arranges described dust filter (55) in this first chamber; The second chamber (43) with being connected with described efferent duct arranges described smoke detector (34) in this second chamber.
16. smoke detectors as claimed in claim 15 (100), it is characterized in that, between described the first chamber (42) and described the second chamber (43), arrange described the first chamber (42) and the separated partition wall of described the second chamber (43) (50), on this partition wall, be provided with overflow vent (51).
17. smoke detectors (100) as described in any one in claim 11 to 16, is characterized in that, differential pressure measurement device (52) is designed to, and measures the pressure differential between described the first chamber (42) and described the second chamber (43).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013207605.3A DE102013207605A1 (en) | 2013-04-25 | 2013-04-25 | Smoke detection unit, smoke detection system and smoke detector device |
| DE102013207605.3 | 2013-04-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104122369A true CN104122369A (en) | 2014-10-29 |
| CN104122369B CN104122369B (en) | 2017-06-09 |
Family
ID=51685001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410171698.3A Expired - Fee Related CN104122369B (en) | 2013-04-25 | 2014-04-25 | Smoke detection unit, smoke detection system and smoke detector |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6109114B2 (en) |
| KR (1) | KR101669980B1 (en) |
| CN (1) | CN104122369B (en) |
| DE (1) | DE102013207605A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402582A (en) * | 2016-02-22 | 2017-11-28 | 蒋春花 | Smog Long Range Detecting and Ranging pollution sources are detected with unmanned plane, monitored |
| CN107532977A (en) * | 2015-04-22 | 2018-01-02 | 汉拿Ims株式会社 | Method for operating ship gas sampling assembly |
| CN107703516A (en) * | 2017-10-13 | 2018-02-16 | 天津大学 | A kind of long-range measure Pollution From Ships tapping equipment and its application process |
| US11361121B2 (en) | 2017-07-20 | 2022-06-14 | Carrier Corporation | Implementation of fiber high-sensitivity smoke detector system utilizing a building information model |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101618359B1 (en) * | 2014-11-27 | 2016-06-03 | 한국해양과학기술원 | Natural gas hydrate tank containers stacking system capable of self-generation and disposinf boiled off gas |
| KR102650174B1 (en) * | 2016-09-28 | 2024-03-21 | 한화오션 주식회사 | Complex environment monitoring and control system and method for controlling environment in ship thereof |
| CN106781950A (en) * | 2017-01-03 | 2017-05-31 | 中国人民解放军第八医院 | A kind of multi-functional smog for medical research is caused injury experimental facilities |
| CN111724559B (en) * | 2020-06-18 | 2021-06-22 | 广州百畅信息科技有限公司 | Alarm device for emergency management |
| CN112710635A (en) * | 2020-12-22 | 2021-04-27 | 深圳市查知科技有限公司 | Miniature formula of breathing in smoke detector |
| CN113060253A (en) * | 2021-04-29 | 2021-07-02 | 广船国际有限公司 | Redundant design method for cabin immersion detection and ship |
| CN113838261A (en) * | 2021-09-28 | 2021-12-24 | 中车大同电力机车有限公司 | Automatic fire monitoring system and method for electric locomotive |
| US11790765B1 (en) * | 2022-08-01 | 2023-10-17 | Honeywell International Inc. | Smoke detector device with secondary detection chamber and filter |
| CN115180111B (en) * | 2022-08-24 | 2023-06-20 | 广船国际有限公司 | Ship ventilation method and ship ventilation system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256411A (en) * | 1998-12-04 | 2000-06-14 | 彼特威公司 | Suction detector with gas flow sensor |
| CN1514990A (en) * | 2001-05-25 | 2004-07-21 | �߸��ɱ����Ͱ�ȫϵͳ����˾ | Device and method for detecting fire sources or gas impurites |
| CN101261144A (en) * | 2008-04-18 | 2008-09-10 | 国家粮食局科学研究院 | Grain information on-line monitoring system |
| CN101300610A (en) * | 2005-11-04 | 2008-11-05 | 艾摩罗那股份公司 | Apparatus for fire detection in an electrical equipment rack |
| CN101727727A (en) * | 2009-11-30 | 2010-06-09 | 西安博康电子有限公司 | Suction-type double detection smoke-sensing fire detection system and alarm method thereof |
| CN201796460U (en) * | 2010-08-28 | 2011-04-13 | 东北电网有限公司大连培训中心 | Very early air sampling smoke detection system |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62208196A (en) * | 1986-03-08 | 1987-09-12 | 能美防災株式会社 | Fire detector by sampling tube |
| JPS62299278A (en) * | 1986-06-20 | 1987-12-26 | 防衛庁技術研究本部長 | Damper apparatus with smoke detector |
| DE3637681A1 (en) | 1986-11-05 | 1988-05-19 | Siemens Ag | Alarm signalling system according to the pulse signalling system |
| JPH068522Y2 (en) * | 1987-01-20 | 1994-03-02 | 能美防災株式会社 | Smoke detector for duct |
| JP3648307B2 (en) * | 1995-11-24 | 2005-05-18 | 日本フエンオール株式会社 | Smoke detection system |
| JP3428331B2 (en) * | 1996-11-25 | 2003-07-22 | 株式会社日立製作所 | Distributed control system |
| JPH11147016A (en) * | 1997-11-14 | 1999-06-02 | Nohmi Bosai Ltd | Method for inspection of air filter and its constitution |
| JP3894207B2 (en) * | 2004-06-25 | 2007-03-14 | 松下電工株式会社 | Residential fire alarm system, residential fire alarm |
| US7375642B2 (en) * | 2004-08-24 | 2008-05-20 | Wagner Alarm- Und Sicherungssysteme Gmbh | Method and device for identifying and localizing a fire |
| KR200417541Y1 (en) * | 2006-03-21 | 2006-05-30 | 주식회사 거송시스템 | Air Intake Type Fire Alarms Having a Gas Sensor |
| JP2007323195A (en) * | 2006-05-30 | 2007-12-13 | Nohmi Bosai Ltd | Fire receiver |
| DE102007013295A1 (en) * | 2007-03-16 | 2008-09-18 | Aoa Apparatebau Gauting Gmbh | smoke detector |
| KR100964851B1 (en) * | 2008-02-29 | 2010-06-24 | 세진전자 주식회사 | Fire monitoring system |
| KR101125188B1 (en) * | 2011-09-08 | 2012-03-20 | 주식회사 엔케이 | Smoke detecting apparatus for fire extinguishment |
-
2013
- 2013-04-25 DE DE102013207605.3A patent/DE102013207605A1/en not_active Withdrawn
-
2014
- 2014-04-24 KR KR1020140049625A patent/KR101669980B1/en active IP Right Grant
- 2014-04-25 CN CN201410171698.3A patent/CN104122369B/en not_active Expired - Fee Related
- 2014-04-25 JP JP2014092090A patent/JP6109114B2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256411A (en) * | 1998-12-04 | 2000-06-14 | 彼特威公司 | Suction detector with gas flow sensor |
| CN1514990A (en) * | 2001-05-25 | 2004-07-21 | �߸��ɱ����Ͱ�ȫϵͳ����˾ | Device and method for detecting fire sources or gas impurites |
| CN101300610A (en) * | 2005-11-04 | 2008-11-05 | 艾摩罗那股份公司 | Apparatus for fire detection in an electrical equipment rack |
| CN101261144A (en) * | 2008-04-18 | 2008-09-10 | 国家粮食局科学研究院 | Grain information on-line monitoring system |
| CN101727727A (en) * | 2009-11-30 | 2010-06-09 | 西安博康电子有限公司 | Suction-type double detection smoke-sensing fire detection system and alarm method thereof |
| CN201796460U (en) * | 2010-08-28 | 2011-04-13 | 东北电网有限公司大连培训中心 | Very early air sampling smoke detection system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107532977A (en) * | 2015-04-22 | 2018-01-02 | 汉拿Ims株式会社 | Method for operating ship gas sampling assembly |
| CN107402582A (en) * | 2016-02-22 | 2017-11-28 | 蒋春花 | Smog Long Range Detecting and Ranging pollution sources are detected with unmanned plane, monitored |
| US11361121B2 (en) | 2017-07-20 | 2022-06-14 | Carrier Corporation | Implementation of fiber high-sensitivity smoke detector system utilizing a building information model |
| CN107703516A (en) * | 2017-10-13 | 2018-02-16 | 天津大学 | A kind of long-range measure Pollution From Ships tapping equipment and its application process |
| CN107703516B (en) * | 2017-10-13 | 2020-12-11 | 天津大学 | Device for remotely measuring ship pollution emission and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140127777A (en) | 2014-11-04 |
| JP6109114B2 (en) | 2017-04-05 |
| KR101669980B1 (en) | 2016-10-27 |
| CN104122369B (en) | 2017-06-09 |
| DE102013207605A1 (en) | 2014-10-30 |
| JP2014216027A (en) | 2014-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104122369A (en) | Smoke detection unit, smoke detection system, and smoke detection device | |
| RU2726041C2 (en) | Gas detection system for toxic and/or flammable gas | |
| TWI482125B (en) | Duct detector | |
| JP2019193799A (en) | Warning valve station of fire extinguisher, especially sprinkler, or water injection fire extinguisher, and fire extinguisher | |
| US9494564B2 (en) | Tunnel monitoring sensor | |
| CN104715580B (en) | Self-calibration GIS room sulfur hexafluoride gas leakage monitoring warning systems | |
| WO2013024935A1 (en) | Gas type fire-fighting apparatus having double detective function for ships | |
| CN104259170A (en) | Ductless Fumehood System | |
| CN101999100A (en) | System, apparatus, and method for communicating sensor information of a system component that is disposed in a hazardous location | |
| CN206417189U (en) | A kind of multifunctional gas detection unmanned plane and gas detecting instrument | |
| CN103280057B (en) | A kind of distributed air sampling smoke detection system | |
| KR102143458B1 (en) | Wire connection system for interior of apartment house | |
| KR101410033B1 (en) | Fire Sensing Apparatus having Self- Diagnosis | |
| US4758827A (en) | Duct smoke detector | |
| CN107667262A (en) | Ventilating system | |
| CN205609974U (en) | Explosion proof anti corrosion gas strength monitoring block terminal | |
| CN203250387U (en) | Distributed air sampling smoke detection system | |
| ES2227957T3 (en) | FOREST FIRE DETECTION PROCEDURE AND FIRE DETECTION DEVICE DEVICE FOR THE EXECUTION OF THE PROCEDURE. | |
| CN202648041U (en) | Anti-explosion positive draft device in oil and gas environment | |
| CN207051140U (en) | A kind of micro- water monitoring apparatus of density | |
| KR20240054534A (en) | Duplicated smoke detecting system | |
| CN110792477B (en) | Active detection type mining explosion-proof safety monitoring host | |
| CN220173315U (en) | Monitoring system and interconnection system for airtight space | |
| CN210295371U (en) | Combustible gas detection device suitable for in hydrogen station | |
| CN210376063U (en) | Detection apparatus for spraying dust |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Scharnebeck, Germany Patentee after: SAFETEC BRANDES UND NIEHOFF GmbH Address before: Luneburg, Germany Patentee before: SAFETEC BRANDES UND NIEHOFF GmbH |
|
| 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: 20170609 |