CN203309522U - Warning system for abnormal water pressure of fire fighting water supply network - Google Patents
Warning system for abnormal water pressure of fire fighting water supply network Download PDFInfo
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- CN203309522U CN203309522U CN2013202724583U CN201320272458U CN203309522U CN 203309522 U CN203309522 U CN 203309522U CN 2013202724583 U CN2013202724583 U CN 2013202724583U CN 201320272458 U CN201320272458 U CN 201320272458U CN 203309522 U CN203309522 U CN 203309522U
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Abstract
The utility model provides a warning system for abnormal water pressure of a fire fighting water supply network. The warning system mainly comprises a water pressure collecting unit, a processing unit and a warning unit. The water pressure collecting unit is used for collecting the water pressure value of a monitored portion in the fire fighting water supply network. The processing unit is connected with the water pressure collecting unit, used for determining the warning level on the water pressure dimensionality according to the degree to which the water pressure value collected by the water pressure collecting unit is less than a standard water pressure value, and used for determining the warning level on the time dimensionality according to the lasting time where the water pressure value of the monitored portion is unceasingly less than the standard water pressure value. The warning unit is connected with the processing unit, used for finally determining the warning level according to the warning level, determined by the processing unit, on the water pressure dimensionality and the warning level, determined by the processing unit, on the time dimensionality, and used for conducting warning according to a warning strategy corresponding to the determined final warning level. Due to the adoption of the warning system, the multi-dimensional and multi-level warning mode can be achieved. Compared with an existing warning method, the waning system can better reflect the abnormal degree of the water pressure and has a better warning effect.
Description
Technical field
The utility model relates to the security against fire technical field, relates in particular to a kind of fire-fighting water supply network hydraulic pressure abnormality alarming system.
Background technique
Fire-fighting water supply network comprises: urban fire protection water supply network and building fire-fighting water supply network are the important component parts of urban infrastructure and building fire safety.Particularly tall building is in long-term using process, because the property personnel lack security against fire consciousness, management and maintenance to fire fighting devicies such as fire alarm system, fire-fighting water supply network, fire hydrants have been ignored, cause the part fire fighting device be in for a long time fault or state of paralysis and can not normally use, when fire occurs by the time, fire-fighting system can not be accomplished timely interlock, and can't bring into play it should have effect.For this reason, in existing, also proposed some the hydraulic pressure of fire_fighting pipe network has been monitored to the scheme with alarm, it is specially a hydraulic pressure sensor is set near the fire hydrant of fire_fighting pipe network, gather the hydraulic pressure data, and report to central server, when central server determines hydraulic pressure and is less than nominal value, show this situation prompting monitoring chamber operator, realize alarm.But this kind mode is only usingd the foundation of this parameter of hydraulic pressure alarm as whether, and do not distinguish the order of severity of alarm yet.
The model utility content
In view of this, the utility model provides a kind of fire-fighting water supply network hydraulic pressure abnormality alarming system.By various dimensions, determine Alarm level, realize multi-level alarm.
The fire-fighting water supply network hydraulic pressure abnormality alarming system that the utility model provides comprises:
For gathering the hydraulic pressure collecting unit of hydraulic pressure value of fire-fighting water supply network monitored site;
With described hydraulic pressure collecting unit, be connected, for the degree that is less than the standard hydraulic pressure value according to the hydraulic pressure value of hydraulic pressure collecting unit collection, determine the Alarm level on the hydraulic pressure dimension, and the processing unit of determining the Alarm level on time dimension according to the endurance that the hydraulic pressure value of described monitored site is less than the standard hydraulic pressure value continuously;
With described processing unit, be connected, for the Alarm level on the hydraulic pressure dimension of determining according to described processing unit and the Alarm level on time dimension, determine final Alarm level, and the Alarm Unit that carries out alarm according to described definite warning strategies corresponding to final Alarm level.
Further, described hydraulic pressure collecting unit comprises: central processing unit (CPU), hydraulic pressure sensor, geocoding ground road and communication circuit, described hydraulic pressure sensor, address encoding circuit and communication circuit all are connected with described central processing unit (CPU).
Further, described processing unit comprises:
For judging whether the hydraulic pressure value of hydraulic pressure collecting unit collection is less than the determining device of standard hydraulic pressure value;
With described determining device, be connected, for when judgment result is that of described determining device is, the degree that is less than the standard hydraulic pressure value according to the hydraulic pressure value of described hydraulic pressure collecting unit collection is determined the hydraulic pressure dimension Alarm level determiner of the Alarm level on the hydraulic pressure dimension;
With described determining device, be connected, for when judgment result is that of described determining device is, the endurance that is less than continuously the standard hydraulic pressure value according to the hydraulic pressure value of described monitored site is determined the time dimension Alarm level determiner of the Alarm level on time dimension.
Further, described hydraulic pressure dimension Alarm level determiner comprises:
With described determining device, be connected, for when judgment result is that of described determining device is, judge whether the hydraulic pressure value of described hydraulic pressure collecting unit collection is less than the first hydraulic pressure decision circuitry of the first hydraulic pressure threshold value;
With described the first hydraulic pressure decision circuitry, be connected, while for the hydraulic pressure value that determines the collection of hydraulic pressure collecting unit when the first hydraulic pressure decision circuitry, being greater than the first hydraulic pressure threshold value, determine that Alarm level on the hydraulic pressure dimension is that the first hydraulic pressure Alarm level of Level 1Alarming is determined circuit;
With described the first hydraulic pressure decision circuitry, be connected, while for the hydraulic pressure value that determines the collection of hydraulic pressure collecting unit when the first hydraulic pressure decision circuitry, being less than the first hydraulic pressure threshold value, judge whether the hydraulic pressure value of hydraulic pressure collecting unit collection is less than the second hydraulic pressure decision circuitry of the second hydraulic pressure threshold value;
With described the second hydraulic pressure decision circuitry, be connected, while for the hydraulic pressure value that determines the collection of hydraulic pressure collecting unit when the second hydraulic pressure decision circuitry, being greater than the second hydraulic pressure threshold value, determine that Alarm level on the hydraulic pressure dimension is that the second hydraulic pressure Alarm level of secondary alarm is determined circuit;
With described the second hydraulic pressure decision circuitry, be connected, while for the hydraulic pressure value that determines the collection of hydraulic pressure collecting unit when the second hydraulic pressure decision circuitry, being less than the second hydraulic pressure threshold value, determine that Alarm level on the hydraulic pressure dimension is that the 3rd hydraulic pressure Alarm level of three grades of alarms is determined circuit.
Further, described time dimension Alarm level determiner comprises:
With described determining device, be connected, for when judgment result is that of described determining device is, whether the endurance that the hydraulic pressure value that judges monitored site is less than the standard hydraulic pressure value continuously is less than the very first time decision circuitry of very first time threshold value;
With described very first time decision circuitry, be connected, the endurance that is less than continuously the standard hydraulic pressure value for the hydraulic pressure value that determines monitored site when very first time decision circuitry is less than the very first time during threshold value, determines that Alarm level on time dimension is that the very first time Alarm level of Level 1Alarming is determined circuit;
With described very first time decision circuitry, be connected, the endurance that is less than continuously the standard hydraulic pressure value for the hydraulic pressure value that determines monitored site when very first time decision circuitry is greater than the very first time during threshold value, and whether the endurance that the hydraulic pressure value that judges monitored site is less than the standard hydraulic pressure value continuously is less than the second time decision circuitry of the second time threshold;
With described the second time decision circuitry, be connected, the endurance that is less than continuously the standard hydraulic pressure value for the hydraulic pressure value that determines monitored site when the second time decision circuitry is while being less than the second time threshold, determines that Alarm level on time dimension is that the second time Alarm level of secondary alarm is determined circuit;
With described the second time decision circuitry, be connected, the endurance that is less than continuously the standard hydraulic pressure value for the hydraulic pressure value that determines monitored site when the second time decision circuitry is while being greater than the second time threshold, determines that Alarm level on time dimension is that the 3rd time Alarm level of three grades of alarms is determined circuit.
Further, described Alarm Unit comprises:
With described processing unit, be connected, for the comparator of the order of severity of the Alarm level on hydraulic pressure dimension relatively and the Alarm level on time dimension;
With described comparator, be connected, for the comparative result according to comparator, the Alarm level that the order of severity is higher is determined circuit as the final alarm of final Alarm level;
With described final alarm, determine what circuit was connected, while for the final Alarm level when determining, being Level 1Alarming, operator send alarm information to monitoring chamber, when described definite final Alarm level is the secondary alarm, to monitoring chamber operator and administrative staff, send out alarm information, when described definite final Alarm level is three grades of alarms, to monitoring chamber operator, administrative staff and the fire-fighting supervisor of government, send the alarm transtation mission circuit of alarm information.
The beneficial effects of the utility model:
The embodiment of the present invention, by processing unit, determine respectively Alarm level from hydraulic pressure dimension and time dimension, then by Alarm Unit, determine final Alarm level according to the Alarm level on the hydraulic pressure dimension and the Alarm level on time dimension, therefore various dimensions, multi-level alert mode have been realized, it is than the existing alarm mode, more can reflect the hydraulic pressure intensity of anomaly, have better alarm effect.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the embodiment's of the fire-fighting water supply network hydraulic pressure abnormality alarming system that provides of the utility model structural representation.
Fig. 2 is the embodiment's of the hydraulic pressure collecting unit in Fig. 1 structural representation.
Fig. 3 is the embodiment's of the processing unit in Fig. 1 structural representation.
Fig. 4 is the embodiment's of the hydraulic pressure dimension Alarm level determiner in Fig. 3 structural representation.
Fig. 5 is the embodiment's of the time dimension Alarm level determiner in Fig. 3 structural representation.
Fig. 6 is the embodiment's of the Alarm Unit in Fig. 1 structural representation.
Embodiment
Please refer to Fig. 1, is the embodiment's of fire-fighting water supply network hydraulic pressure abnormality alarming system provided by the invention structural representation.It comprises: hydraulic pressure collecting unit 11, processing unit 12 and Alarm Unit 13, wherein hydraulic pressure collecting unit 11, processing unit 12 and Alarm Unit 13 are linked in sequence.
Wherein, hydraulic pressure collecting unit 11, be mainly used in gathering the hydraulic pressure value of monitored site in fire-fighting water supply network.
Concrete, hydraulic pressure collecting unit 11 is mainly by the hydraulic pressure sensor realization, and monitored site typically refers to the fire hydrant place in fire_fighting pipe network.
Concrete, as shown in Figure 2, hydraulic pressure collecting unit 11 comprises: central processing unit (CPU) 21, hydraulic pressure sensor 22, address encoding circuit 23, clock circuit 24 and communication circuit 25.Wherein, hydraulic pressure sensor 22, address encoding circuit 23, clock circuit 24 and communication circuit 25 all are connected with central processing unit (CPU) 21.Hydraulic pressure sensor 22 can be installed on the bottom of fire hydrant and fire protection pipeline connection mouth, after it collects the hydraulic pressure value at this place, it is passed to central processing unit (CPU) 21.Address encoding circuit 23 stores the geocoding of hydraulic pressure sensor 22 present positions, after central processing unit (CPU) 21 obtains hydraulic pressure value that hydraulic pressure sensor 22 transmits, from address encoding circuit 23, reading the address code information of hydraulic pressure sensor 22, and it is passed to processing unit 12 by communication circuit 25 together with hydraulic pressure value.Clock circuit 24 is mainly central processing unit (CPU) 21 work CLK clock is provided, because the hydraulic pressure abnormality alarming is not high to the requirement of real-time, the CLK clock that therefore can provide according to clock circuit 25, the timing acquiring hydraulic pressure value, for example: can gather every 1 minute or three minutes a hydraulic pressure value.
It should be noted that, hydraulic pressure collecting unit 1 is arranged on concrete monitored site, for example: the fire hydrant place.And processing unit 12 generally becomes one with Alarm Unit 13, form via node or central server, it is connected with hydraulic pressure collecting unit 1 is long-range, forms long distance control system.
Wherein, processing unit 12, be mainly used in when hydraulic pressure value that hydraulic pressure collecting unit 11 collects is less than the standard hydraulic pressure value, the degree that is less than the standard hydraulic pressure value according to the hydraulic pressure value collected is determined the Alarm level on the hydraulic pressure dimension, and determines the Alarm level on time dimension according to the endurance that the hydraulic pressure value of monitored site is less than the standard hydraulic pressure value continuously.
Concrete, as shown in Figure 3, processing unit 12 comprises: determining device 31, hydraulic pressure dimension Alarm level determiner 32 and time dimension Alarm level determiner 23.Wherein, the output of determining device 31 is connected to respectively hydraulic pressure dimension Alarm level determiner 32 and time dimension Alarm level determiner 23.
Determining device 31, be mainly used in judging whether the hydraulic pressure value that hydraulic pressure collecting unit 11 gathers is less than the standard hydraulic pressure value.If be more than or equal to the standard hydraulic pressure value, wait for and again receive the hydraulic pressure value that hydraulic pressure collecting unit 11 transmits, and judge.
Hydraulic pressure dimension Alarm level determiner 32, be mainly used in when judgment result is that of determining device 31 is, the hydraulic pressure value gathered according to hydraulic pressure collecting unit 11 is less than the degree of standard hydraulic pressure value and determines the Alarm level on the hydraulic pressure dimension.Concrete, as shown in Figure 4, hydraulic pressure dimension Alarm level determiner 32 comprises: the first hydraulic pressure decision circuitry 41, and it is connected with determining device 31, for when judgment result is that of determining device 31 is, judge whether the hydraulic pressure value that hydraulic pressure collecting unit 11 gathers is less than the first hydraulic pressure threshold value.The first hydraulic pressure Alarm level is determined circuit 42, with the first hydraulic pressure decision circuitry 41, be connected, be mainly used in, when the first hydraulic pressure decision circuitry 41 determines hydraulic pressure value that hydraulic pressure collecting unit 11 gathers and is greater than the first hydraulic pressure threshold value, determining that the Alarm level on the hydraulic pressure dimension is Level 1Alarming.The second hydraulic pressure decision circuitry 43, with the first hydraulic pressure decision circuitry, be connected, be mainly used in, when the first hydraulic pressure decision circuitry 41 determines hydraulic pressure value that hydraulic pressure collecting unit 11 gathers and is less than the first hydraulic pressure threshold value, judge whether the hydraulic pressure value of hydraulic pressure collecting unit 11 collections is less than the second hydraulic pressure threshold value.The second hydraulic pressure Alarm level is determined circuit 44, with the second hydraulic pressure decision circuitry 43, be connected, while for the hydraulic pressure value that determines 11 collections of hydraulic pressure collecting unit when the second hydraulic pressure decision circuitry 43, being greater than the second hydraulic pressure threshold value, determine that the Alarm level on the hydraulic pressure dimension is the secondary alarm.The 3rd hydraulic pressure Alarm level is determined circuit 45, with the second hydraulic pressure decision circuitry 43, be connected, while for the hydraulic pressure value that determines 11 collections of hydraulic pressure collecting unit when the second hydraulic pressure decision circuitry 43, being less than the second hydraulic pressure threshold value, determine that the Alarm level on the hydraulic pressure dimension is three grades of alarms.Wherein, standard hydraulic pressure value > the first hydraulic pressure threshold value > the second hydraulic pressure threshold value, the order of severity that Level 1Alarming, secondary alarm and three grades of alarms mean raises successively.Wherein, standard hydraulic pressure value, the first hydraulic pressure threshold value and the second hydraulic pressure threshold value can be preset according to actual conditions.Preferably, 90, the second percent hydraulic pressure threshold value that the first hydraulic pressure threshold value is predisposed to the standard hydraulic pressure value is predisposed to 80 percent of standard hydraulic pressure value, so not only simply but also can be good at distinguishing the substandard order of severity of hydraulic pressure in fire_fighting pipe network.
Time dimension Alarm level determiner 23, be mainly used in when judgment result is that of determining device 21 is, the endurance (meaning with t) that is less than continuously the standard hydraulic pressure value according to the hydraulic pressure value of monitored site is determined the Alarm level on time dimension, lift the implication of an example explanation t herein: the hydraulic pressure value of supposing to gather every 5 minutes a monitored site, and there is following situation: gather for the first time p=0.95MPA, gather for the second time p=0.95MPA, gather for the third time P=0.98MPA, gather so for the third time corresponding t=0.25h.Concrete, as shown in Figure 5, time dimension Alarm level determiner 23 comprises: very first time decision circuitry 51, with determining device 31, be connected, for when judgment result is that of determining device 31 is, whether the endurance that the hydraulic pressure value that judges monitored site is less than the standard hydraulic pressure value continuously is less than very first time threshold value.Very first time Alarm level is determined circuit 52, with very first time decision circuitry 51, be connected, the endurance that is less than continuously the standard hydraulic pressure value for the hydraulic pressure value that determines monitored site when very first time decision circuitry is less than the very first time during threshold value, determines that the Alarm level on time dimension is Level 1Alarming.The second time decision circuitry 53, with very first time decision circuitry 51, be connected, the endurance that is less than continuously the standard hydraulic pressure value for the hydraulic pressure value that determines monitored site when very first time decision circuitry 51 is greater than the very first time during threshold value, and whether the endurance that the hydraulic pressure value that judges monitored site is less than the standard hydraulic pressure value continuously is less than the second time threshold.The second time Alarm level is determined circuit 54, with the second time decision circuitry 53, be connected, the endurance that is less than continuously the standard hydraulic pressure value for the hydraulic pressure value that determines monitored site when the second time decision circuitry 53, while being less than the second time threshold, determines that the Alarm level on time dimension is the secondary alarm.The 3rd time Alarm level is determined circuit 55, with the second time decision circuitry, be connected, the endurance that is less than continuously the standard hydraulic pressure value for the hydraulic pressure value that determines monitored site when the second time decision circuitry 53, while being greater than the second time threshold, determines that the Alarm level on time dimension is three grades of alarms.Wherein, very first time threshold value<second time threshold, the order of severity that Level 1Alarming, secondary alarm and three grades of alarms mean raises successively.Wherein, very first time threshold value and the second time threshold can be preset according to actual conditions, for example are predisposed to respectively 24h, 48h.
It should be noted that, three grades of divisions have all only been carried out in above-mentioned division to the Alarm level on the Alarm level on the hydraulic pressure dimension and time stage degree, obviously those skilled in the art are under the enlightenment of such scheme, can carry out more multi-level division, for example Pyatyi is divided, seven grades of divisions, and these the present embodiment all do not limit.
Wherein, Alarm Unit 13, be mainly used in, according to the Alarm level on the definite hydraulic pressure dimension of described processing unit 12 and the Alarm level on time dimension, determining final Alarm level, and carrying out alarm according to warning strategies corresponding to final Alarm level of determining.
Concrete, as shown in Figure 6, Alarm Unit 13 comprises:
Final Alarm level is determined circuit 62, is connected with comparator 61, and for the comparative result according to comparator, the Alarm level that the order of severity is higher is as final Alarm level.
Alarm transtation mission circuit 63, with final Alarm level, determine that circuit 62 is connected, while for the final Alarm level when determining, being Level 1Alarming, operator send alarm information to monitoring chamber, when the final Alarm level of determining is the secondary alarm, to monitoring chamber operator and administrative staff, send out alarm information, when the final Alarm level of determining is three grades of alarms, send alarm information to monitoring chamber operator, administrative staff and the fire-fighting supervisor of government.
The present embodiment, from hydraulic pressure dimension and time dimension, determine respectively Alarm level, then according to the Alarm level on the hydraulic pressure dimension and the Alarm level on time dimension, determine final Alarm level, therefore various dimensions, multi-level alert mode have been realized, it is than the existing alarm mode, more can reflect the hydraulic pressure intensity of anomaly, have better alarm effect.
In the present embodiment, not only using the foundation of hydraulic pressure dimension as Alarm level, but usining in the foundation of hydraulic pressure dimension as Alarm level, adopt the Alarm level on the Alarm level correction hydraulic pressure dimension on time dimension, the Alarm level obtained like this has been held into the information of time dimension, more can reflect the abnormal conditions of hydraulic pressure.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (6)
1. fire-fighting water supply network hydraulic pressure abnormality alarming system is characterized in that: comprising:
For gathering the hydraulic pressure collecting unit of hydraulic pressure value of fire-fighting water supply network monitored site;
With described hydraulic pressure collecting unit, be connected, for the degree that is less than the standard hydraulic pressure value according to the hydraulic pressure value of hydraulic pressure collecting unit collection, determine the Alarm level on the hydraulic pressure dimension, and the processing unit of determining the Alarm level on time dimension according to the endurance that the hydraulic pressure value of described monitored site is less than the standard hydraulic pressure value continuously;
With described processing unit, be connected, for the Alarm level on the hydraulic pressure dimension of determining according to described processing unit and the Alarm level on time dimension, determine final Alarm level, and the Alarm Unit that carries out alarm according to described definite warning strategies corresponding to final Alarm level.
2. fire-fighting water supply network hydraulic pressure abnormality alarming system as claimed in claim 1, it is characterized in that: described hydraulic pressure collecting unit comprises: central processing unit (CPU), hydraulic pressure sensor, geocoding ground road and communication circuit, described hydraulic pressure sensor, address encoding circuit and communication circuit all are connected with described central processing unit (CPU).
3. fire-fighting water supply network hydraulic pressure abnormality alarming system as claimed in claim 1 or 2, it is characterized in that: described processing unit comprises:
For judging whether the hydraulic pressure value of hydraulic pressure collecting unit collection is less than the determining device of standard hydraulic pressure value;
With described determining device, be connected, for when judgment result is that of described determining device is, the degree that is less than the standard hydraulic pressure value according to the hydraulic pressure value of described hydraulic pressure collecting unit collection is determined the hydraulic pressure dimension Alarm level determiner of the Alarm level on the hydraulic pressure dimension;
With described determining device, be connected, for when judgment result is that of described determining device is, the endurance that is less than continuously the standard hydraulic pressure value according to the hydraulic pressure value of described monitored site is determined the time dimension Alarm level determiner of the Alarm level on time dimension.
4. fire-fighting water supply network hydraulic pressure abnormality alarming system as claimed in claim 3, it is characterized in that: described hydraulic pressure dimension Alarm level determiner comprises:
With described determining device, be connected, for when judgment result is that of described determining device is, judge whether the hydraulic pressure value of described hydraulic pressure collecting unit collection is less than the first hydraulic pressure decision circuitry of the first hydraulic pressure threshold value;
With described the first hydraulic pressure decision circuitry, be connected, while for the hydraulic pressure value that determines the collection of hydraulic pressure collecting unit when the first hydraulic pressure decision circuitry, being greater than the first hydraulic pressure threshold value, determine that Alarm level on the hydraulic pressure dimension is that the first hydraulic pressure Alarm level of Level 1Alarming is determined circuit;
With described the first hydraulic pressure decision circuitry, be connected, while for the hydraulic pressure value that determines the collection of hydraulic pressure collecting unit when the first hydraulic pressure decision circuitry, being less than the first hydraulic pressure threshold value, judge whether the hydraulic pressure value of hydraulic pressure collecting unit collection is less than the second hydraulic pressure decision circuitry of the second hydraulic pressure threshold value;
With described the second hydraulic pressure decision circuitry, be connected, while for the hydraulic pressure value that determines the collection of hydraulic pressure collecting unit when the second hydraulic pressure decision circuitry, being greater than the second hydraulic pressure threshold value, determine that Alarm level on the hydraulic pressure dimension is that the second hydraulic pressure Alarm level of secondary alarm is determined circuit;
With described the second hydraulic pressure decision circuitry, be connected, while for the hydraulic pressure value that determines the collection of hydraulic pressure collecting unit when the second hydraulic pressure decision circuitry, being less than the second hydraulic pressure threshold value, determine that Alarm level on the hydraulic pressure dimension is that the 3rd hydraulic pressure Alarm level of three grades of alarms is determined circuit.
5. fire-fighting water supply network hydraulic pressure abnormality alarming system as claimed in claim 4, it is characterized in that: described time dimension Alarm level determiner comprises:
With described determining device, be connected, for when judgment result is that of described determining device is, whether the endurance that the hydraulic pressure value that judges monitored site is less than the standard hydraulic pressure value continuously is less than the very first time decision circuitry of very first time threshold value;
With described very first time decision circuitry, be connected, the endurance that is less than continuously the standard hydraulic pressure value for the hydraulic pressure value that determines monitored site when very first time decision circuitry is less than the very first time during threshold value, determines that Alarm level on time dimension is that the very first time Alarm level of Level 1Alarming is determined circuit;
With described very first time decision circuitry, be connected, the endurance that is less than continuously the standard hydraulic pressure value for the hydraulic pressure value that determines monitored site when very first time decision circuitry is greater than the very first time during threshold value, and whether the endurance that the hydraulic pressure value that judges monitored site is less than the standard hydraulic pressure value continuously is less than the second time decision circuitry of the second time threshold;
With described the second time decision circuitry, be connected, the endurance that is less than continuously the standard hydraulic pressure value for the hydraulic pressure value that determines monitored site when the second time decision circuitry is while being less than the second time threshold, determines that Alarm level on time dimension is that the second time Alarm level of secondary alarm is determined circuit;
With described the second time decision circuitry, be connected, the endurance that is less than continuously the standard hydraulic pressure value for the hydraulic pressure value that determines monitored site when the second time decision circuitry is while being greater than the second time threshold, determines that Alarm level on time dimension is that the 3rd time Alarm level of three grades of alarms is determined circuit.
6. fire-fighting water supply network hydraulic pressure abnormality alarming system as claimed in claim 5, it is characterized in that: described Alarm Unit comprises:
With described processing unit, be connected, for the comparator of the order of severity of the Alarm level on hydraulic pressure dimension relatively and the Alarm level on time dimension;
With described comparator, be connected, for the comparative result according to comparator, the Alarm level that the order of severity is higher is determined circuit as the final alarm of final Alarm level;
With described final alarm, determine what circuit was connected, while for the final Alarm level when determining, being Level 1Alarming, operator send alarm information to monitoring chamber, when described definite final Alarm level is the secondary alarm, to monitoring chamber operator and administrative staff, send out alarm information, when described definite final Alarm level is three grades of alarms, to operation supervise and control chamber, chamber operator, administrative staff and the fire-fighting supervisor of government, send the alarm transtation mission circuit of alarm information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202724583U CN203309522U (en) | 2013-05-17 | 2013-05-17 | Warning system for abnormal water pressure of fire fighting water supply network |
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| CN2013202724583U CN203309522U (en) | 2013-05-17 | 2013-05-17 | Warning system for abnormal water pressure of fire fighting water supply network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244828A (en) * | 2013-05-17 | 2013-08-14 | 重庆和航科技股份有限公司 | Method and system for warning abnormal water pressure of fire-fighting water supply pipe network |
| CN104458113B (en) * | 2014-12-11 | 2018-09-28 | 浙江和达科技股份有限公司 | Low-power consumption water hammer records system |
-
2013
- 2013-05-17 CN CN2013202724583U patent/CN203309522U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244828A (en) * | 2013-05-17 | 2013-08-14 | 重庆和航科技股份有限公司 | Method and system for warning abnormal water pressure of fire-fighting water supply pipe network |
| CN103244828B (en) * | 2013-05-17 | 2015-11-18 | 重庆和航科技股份有限公司 | Fire-fighting water supply network hydraulic pressure abnormality alarming method and system |
| CN104458113B (en) * | 2014-12-11 | 2018-09-28 | 浙江和达科技股份有限公司 | Low-power consumption water hammer records system |
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Granted publication date: 20131127 Termination date: 20160517 |