CN204269299U - A kind of fire water spray nozzle water-pressure sealed detection system - Google Patents
A kind of fire water spray nozzle water-pressure sealed detection system Download PDFInfo
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- CN204269299U CN204269299U CN201420699172.8U CN201420699172U CN204269299U CN 204269299 U CN204269299 U CN 204269299U CN 201420699172 U CN201420699172 U CN 201420699172U CN 204269299 U CN204269299 U CN 204269299U
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Abstract
The utility model proposes a kind of fire water spray nozzle water-pressure sealed detection system, comprise water supply installation, adjustable height setting-out output unit, adjustable low-pressure water output unit and tested shower nozzle erecting device.Tested shower nozzle can be arranged on tested shower nozzle erecting device in testing process, first make to be full of clear water in each pipeline, get rid of the air in pipeline; Close adjustable low-pressure water output unit, adjustable height setting-out output unit is regulated to boost to 3.0MPa with the speed of (0.1 ± 0.025) MPa/s, keep pressure 3min, close adjustable height setting-out output unit, be depressurized to 0MPa, open adjustable low-pressure water output unit after keeping 5s and boost to 0.05MPa, adjustable low-pressure water output unit is closed after keeping pressure 15s, open adjustable height setting-out output unit, boost to 1.0MPa with the speed of (0.1 ± 0.025) MPa/s, after keeping pressure 15s, be depressurized to 0MPa again.Thus, the utility model flexible and convenient operation, detect and put in place comprehensively, process control is accurately clear, and adaptability, standardization are strong.
Description
Technical field
The utility model relates to shower nozzle quality detection device field, is specifically related to a kind of fire water spray nozzle water-pressure sealed detection system.
Background technology
Fire water spray nozzle is under the action of heat, start voluntarily in predetermined temperature range, or started by opertaing device according to fire signal, and by the watering shape of design and a kind of device of flow watering, its structure has been known, as Chinese utility model patent CN201320010598.3 discloses a kind of Novel firefighting shower nozzle, comprise the horizontal nozzle holder with threaded connector, described nozzle holder injection direction is connected with splash box, explosion glass tube is provided with between nozzle holder and splash box, described explosion glass tube withstands the gland bonnet for valve nozzles seat inner nozzle, described splash box outboard end is provided with the manger board for the formation of fire prevention isolation cascade.Described gland bonnet medial end is provided with O-ring seal.Described manger board is fixed on the upside of splash box or nozzle holder by a cross connecting plate.Described splash box is connected with nozzle holder by bearing.For another example Chinese utility model patent CN201220631836.8 discloses a kind of Universal rotary induction nozzle that can be used for efficient fire-fighting, comprise fixed mount, infrared radiation sensor, PLC controller, motor, drive axle, universal joint and shower nozzle, infrared radiation sensor, PLC controller, motor three electrical connection, drive axle one end is connected with motor, the drive axle other end is connected with universal joint, and shower nozzle is connected with universal joint.Described motor adopts stepper motor.Bottom described fixed mount, two installed surfaces are equipped with three fixed orifices.
Aforementioned two kinds of shower nozzles are also as other fire water spray nozzles on market, according to the requirement of national standard, water-pressure sealed effect test must be carried out before product export, the experiment process of national requirements is such: be arranged on test unit by tested shower nozzle, make to be full of clear water in each pipeline, get rid of the air in pipeline; 3.0MPa is boosted to the speed of (0.1 ± 0.025) MPa/s, keep pressure 3min, then 0MPa is depressurized to, 0.05MPa is boosted to by 0MPa after keeping 5s, 1.0MPa is boosted to the speed of (0.1 ± 0.025) MPa/s after keeping pressure 15s, be depressurized to 0MPa again after keeping pressure 15s, complete detection.But fire water spray nozzle on-line checkingi is substantially all manual Optimum Design top pressure at present, can not carry out standardization detection completely, detect not comprehensive according to national standard, testing process is unintelligible, and influence factor is many, poor accuracy, and operation inconvenience, cost is high, and practicality is not enough.
Given this, inventor furthers investigate the problems referred to above, then has this case to produce.
Utility model content
The purpose of this utility model is to provide a kind of flexible and convenient operation, and detect and put in place comprehensively, process control is accurately clear, and adaptability, standardization are strong, practical fire water spray nozzle water-pressure sealed detection system.
In order to achieve the above object, the utility model adopts such technical scheme:
A kind of fire water spray nozzle water-pressure sealed detection system, comprises the control module detecting main computer unit and control detection main computer unit; Described detection main computer unit comprises water supply installation, the adjustable height setting-out output unit be communicated with water supply installation and adjustable low-pressure water output unit, and the tested shower nozzle erecting device be communicated with adjustable low-pressure water output unit with adjustable height setting-out output unit.
Above-mentioned adjustable height setting-out output unit comprises the water under high pressure pipeline be communicated with above-mentioned water supply installation, and the water under high pressure outputting power device be located on water under high pressure pipeline and water under high pressure output-controlling device.
Above-mentioned water under high pressure outputting power device is high-pressure pump; Above-mentioned water under high pressure output-controlling device is the high pressure valve being located at described high-pressure pump downstream.
Above-mentioned adjustable height setting-out output unit also comprises regulator, and described regulator comprises the pressure relief pipe be located between above-mentioned high-pressure pump and above-mentioned high pressure valve, and is located at the pressure relief valve on pressure relief pipe.
Above-mentioned high-pressure pump is equipped with revolution speed control device; Above-mentioned control module comprises programmable logic controller (PLC) and the intelligent human/computer interface for programmable logic controller (PLC) arranging; Described revolution speed control device is connected, by programmable logic controller (PLC) controls in the mode of Signal transmissions with described programmable logic controller (PLC).
Above-mentioned detection main computer unit also comprises the hydraulic pressure be communicated with adjustable low-pressure water output unit with above-mentioned adjustable height setting-out output unit and detects constant voltage pipeline, and the water pressure automatic detection device be located on hydraulic pressure detection constant voltage pipeline, first pressure display table, and hydraulic pressure constant-voltage equipment; Described water pressure automatic detection device is connected in the mode of Signal transmissions with above-mentioned programmable logic controller (PLC), to programmable logic controller (PLC) transmission pressure signal.
Above-mentioned adjustable low-pressure water output unit comprises the low-pressure water pipeline be communicated with above-mentioned water supply installation, and the low-pressure water outputting power device be located on low-pressure water pipeline and low-pressure water output-controlling device.
Above-mentioned low-pressure water outputting power device is low-lift pump; Above-mentioned low-pressure water output-controlling device is the low pressure valve being located at described low-lift pump downstream; Above-mentioned adjustable low-pressure water output unit is equipped with the second pressure display table with above-mentioned low-pressure water pipeline connection, and described second pressure display table is between described low-lift pump and described high pressure valve.
Above-mentioned detection main computer unit also comprises the receiving trap be in for the tested shower nozzle current of access below above-mentioned tested shower nozzle erecting device; Above-mentioned water supply installation is water tank, and the water inlet of corresponding above-mentioned water under high pressure pipeline and low-pressure water pipeline is provided with filtrator; Described water tank is equipped with water level balanee device and water overblow blowdown device; Described receiving trap higher than described water tank, and has the backflow mouth of a river be communicated with water tank.
Above-mentioned water level balanee device comprises condensate tank of dehumidifier, level alarm for water and the water compensation system of being located at above-mentioned water tank; Described condensate tank of dehumidifier is connected in the mode of Signal transmissions with above-mentioned programmable logic controller (PLC), to programmable logic controller (PLC) transmission water level signal; Described water compensation system is connected, by programmable logic controller (PLC) controls in the mode of Signal transmissions with described programmable logic controller (PLC).
Fire water spray nozzle water-pressure sealed detection system of the present utility model, break through the pattern of traditional manual Optimum Design, in testing process, detect main computer unit under the control of the control unit, by regulating adjustable height setting-out output unit and adjustable low-pressure water output unit to detect the water-pressure sealed effect of fire water spray nozzle respectively, as can according to national standard experiment process: tested shower nozzle is arranged on tested shower nozzle erecting device, first utilize adjustable height setting-out output unit or adjustable low-pressure water output unit to make to be full of clear water in each pipeline, get rid of the air in pipeline; Close adjustable low-pressure water output unit, adjustable height setting-out output unit is regulated to boost to 3.0MPa with the speed of (0.1 ± 0.025) MPa/s, keep pressure 3min, then adjustable height setting-out output unit is closed, be depressurized to 0MPa, open adjustable low-pressure water output unit after keeping 5s and boost to 0.05MPa, adjustable low-pressure water output unit is closed after keeping pressure 15s, open adjustable height setting-out output unit, 1.0MPa is boosted to the speed of (0.1 ± 0.025) MPa/s, be depressurized to 0MPa again after keeping pressure 15s, complete detection.Compared with prior art, fire water spray nozzle water-pressure sealed detection system of the present utility model, its flexible and convenient operation, detect and put in place comprehensively, process control is accurately clear, and adaptability, standardization are strong, practical.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is that control module is to the circuit diagram detecting main computer unit control;
Fig. 3 is the circuit diagram at water supply installation place;
Fig. 4 is the main circuit figure of Programmable Logic Controller;
Fig. 5 is the outside drawing of intelligent human/computer interface.
In figure:
1-detects main computer unit 11-water supply installation
111-filtrator 112-water level balanee device
1121-condensate tank of dehumidifier 1122-level alarm for water
1123-water compensation system 113-water overblow blowdown device
12-adjustable height setting-out output unit 121-water under high pressure pipeline
122-water under high pressure outputting power device 1221-revolution speed control device
123-water under high pressure output-controlling device 124-regulator
1241-pressure relief pipe 1242-pressure relief valve
13-is adjustable low-pressure water output unit 131-low-pressure water pipeline
132-low-pressure water outputting power device 133-low-pressure water output-controlling device
The tested shower nozzle erecting device of 134-second pressure display table 14-
151-hydraulic pressure detects constant voltage pipeline 152-water pressure automatic detection device
153-first pressure display table 154-hydraulic pressure constant-voltage equipment
1541-water tank 1542-pneumatic ball valve
1543-vent valve 16-receiving trap
The public pipeline of 17-
2-control module 21-programmable logic controller (PLC)
22-intelligent human/computer interface.
Embodiment
In order to explain the technical solution of the utility model further, be described in detail below by specific embodiment.
A kind of fire water spray nozzle water-pressure sealed detection system of the present utility model, as Figure 1-5, comprises the control module 2 detecting main computer unit 1 and control detection main computer unit 1.
Detect main computer unit 1 and comprise water supply installation 11, the adjustable height setting-out output unit 12 be communicated with water supply installation 11 and adjustable low-pressure water output unit 13, and the tested shower nozzle erecting device 14 be communicated with adjustable low-pressure water output unit 13 with adjustable height setting-out output unit 12.The utility model is in actual testing process, detect main computer unit 1 under the control of the control unit 2, by regulating adjustable height setting-out output unit 12 and adjustable low-pressure water output unit 13 to detect the water-pressure sealed effect of fire water spray nozzle respectively, as can according to national standard experiment process: tested shower nozzle is arranged on tested shower nozzle erecting device 14, first supplied water by water supply installation 11, utilize adjustable height setting-out output unit 12 or adjustable low-pressure water output unit 13 to make to be full of clear water in each pipeline, get rid of the air in pipeline, adjustable low-pressure water output unit 13 is kept to close, adjustable height setting-out output unit 12 is regulated to make hydraulic pressure in tested shower nozzle boost to 3.0MPa with the speed of (0.1 ± 0.025) MPa/s, keep pressure 3min, then adjustable height setting-out output unit 12 is closed, be depressurized to 0MPa, opening adjustable low-pressure water output unit 13 after keeping 5s makes hydraulic pressure in tested shower nozzle boost to 0.05MPa, adjustable low-pressure water output unit 13 is closed after keeping pressure 15s, again open adjustable height setting-out output unit 12, 1.0MPa is boosted to the speed of (0.1 ± 0.025) MPa/s, 0MPa is depressurized to again after keeping pressure 15s, complete detection.
Preferably, adjustable height setting-out output unit 12 comprises the water under high pressure pipeline 121 be communicated with water supply installation 11, and the water under high pressure outputting power device 122 be located on water under high pressure pipeline 121 and water under high pressure output-controlling device 123.Concrete structure can be, and tested shower nozzle erecting device 14 is communicated with adjustable low-pressure water output unit 13 with adjustable height setting-out output unit 12 by public pipeline 17, is specifically communicated with the water under high pressure pipeline 121 of adjustable height setting-out output unit 12.During work, open water under high pressure output-controlling device 123, open water under high pressure outputting power device 122, can by water suction water under high pressure pipeline 121 and public pipeline 17 from water supply installation 11, for tested shower nozzle provides hydraulic pressure.
Preferably, water under high pressure outputting power device 122 is high-pressure pump; Water under high pressure output-controlling device 123 is for being located at the high pressure valve in water under high pressure outputting power device 122 downstream of high-pressure pump form.
Preferably, adjustable height setting-out output unit 12 also comprises regulator 124, regulator 124 comprises pressure relief pipe 1241, with the pressure relief valve 1242 be located on pressure relief pipe 1241, pressure relief pipe 1241 is connected to the water under high pressure outputting power device 122 of high-pressure pump form, and on water under high pressure pipeline 121 between the water under high pressure output-controlling device 123 of high pressure valve form.When the hydraulic pressure in water under high pressure pipeline 121 is excessive, by adjusting pressure release valve door 1242, the water in water under high pressure pipeline 121 is suitably released by pressure relief pipe 1241, to reduce the hydraulic pressure in water under high pressure pipeline 121.Further, when water supply installation 11 is the water storage device forms such as water tank, outlet can be aimed at water supply installation 11 by pressure relief pipe 1241, is directly discharged to by water in water supply installation 11, forms circulating water flow.
Preferably, the water under high pressure outputting power device 122 of high-pressure pump form is equipped with revolution speed control device 1221; Control module 2 comprises programmable logic controller (PLC) 21 and the intelligent human/computer interface 22 for programmable logic controller (PLC) 21 arranging; Revolution speed control device 1221 is connected in the mode of Signal transmissions with programmable logic controller (PLC) 21, controls by programmable logic controller (PLC) 21.In actual use, when the output hydraulic pressure of adjustable height setting-out output unit 12 need be regulated, send control signal by programmable logic controller (PLC) 21 pairs of revolution speed control devices 1221 to control, carry out the outputting power of the water under high pressure outputting power device 122 of adjusting high-pressure pump form.Revolution speed control device 1221 specifically can be frequency converter.
Preferably, detection main computer unit 1 also comprises the hydraulic pressure be communicated with adjustable low-pressure water output unit 13 with adjustable height setting-out output unit 12 and detects constant voltage pipeline 151, and the water pressure automatic detection device 152 be located on hydraulic pressure detection constant voltage pipeline 151, first pressure display table 153, and hydraulic pressure constant-voltage equipment 154; Water pressure automatic detection device 152 is connected in the mode of Signal transmissions with programmable logic controller (PLC) 21, to programmable logic controller (PLC) transmission pressure signal.Concrete structure can be, hydraulic pressure detects constant voltage pipeline 151 and is connected on public pipeline 17, form a branch road of public pipeline 17, there is the hydraulic pressure identical with in public pipeline 17, water pressure automatic detection device 152 hydraulic pressure detects the hydraulic pressure of constant voltage pipeline 151, and by water pressure Signal transmissions to programmable logic controller (PLC) 21, programmable logic controller (PLC) 21 judges according to water pressure signal, controls revolution speed control device 1221 in good time.First pressure display table 153 specifically display hydraulic pressure detects the hydraulic pressure numerical value in constant voltage pipeline 151.Hydraulic pressure constant-voltage equipment 154 specifically can comprise the water tank 1541 detecting constant voltage pipeline 151 with hydraulic pressure and be communicated with, and the pneumatic ball valve 1542 be communicated in above water tank 1541 and the vent valve 1543 be communicated in above pneumatic ball valve 1542; Pneumatic ball valve 1542 is connected, by programmable logic controller (PLC) controls in the mode of Signal transmissions with programmable logic controller (PLC) 21.When the pressure that hydraulic pressure need be kept to detect in constant voltage pipeline 151, programmable logic controller (PLC) 151 pairs of pneumatic ball valves 1542 control, first open vent valve 1543, when the hydraulic pressure pressure detected in constant voltage pipeline 151 is greater than relevant pressure signal numerical value, programmable logic controller (PLC) 151 controls pneumatic ball valve 1542 and opens, gas in slow discharge water tank 1541, the water that hydraulic pressure is detected in constant voltage pipeline 151 enters water tank 1541, to reduce the pressure in hydraulic pressure detection constant voltage pipeline 151, when the hydraulic pressure pressure detected in constant voltage pipeline 151 is less than relevant pressure signal numerical value, pneumatic ball valve 1542 is closed.
Preferably, adjustable low-pressure water output unit 13 comprises the low-pressure water pipeline 131 be communicated with water supply installation 11, and the low-pressure water outputting power device 132 be located on low-pressure water pipeline 131 and low-pressure water output-controlling device 133.Concrete structure can be, and tested shower nozzle erecting device 14 is communicated with adjustable low-pressure water output unit 13 with adjustable height setting-out output unit 12 by public pipeline 17, is specifically communicated with the low-pressure water pipeline 131 of adjustable low-pressure water output unit 13.During work, open low-pressure water output-controlling device 133, open low-pressure water outputting power device 132, can by water suction low-pressure water pipeline 131 and public pipeline 17 from water supply installation 11, for tested shower nozzle provides hydraulic pressure.
Preferably, low-pressure water outputting power device 132 is low-lift pump; Low-pressure water output-controlling device 133 is for being located at the low pressure valve in low-pressure water outputting power device 132 downstream of low-lift pump form; Adjustable low-pressure water output unit 13 is equipped with the second pressure display table 134 be communicated with low-pressure water pipeline 131, second pressure display table 134 is in the low-pressure water outputting power device 132 of low-lift pump form, and on low-pressure water pipeline 131 between the low-pressure water outputting power device 132 of high pressure valve form.This second pressure display table 134 can be the higher tensimeter of resolution, in order to accurately to show the hydraulic pressure in low-pressure water pipeline 131.
Preferably, detect main computer unit 1 and also comprise the receiving trap 16 be in for the tested shower nozzle current of access below tested shower nozzle erecting device 14; Water supply installation 11 is water tank, and the water inlet of corresponding water under high pressure pipeline 121 and low-pressure water pipeline 131 is provided with filtrator 111; The water supply installation 11 of water tank form is equipped with water level balanee device 112 and water overblow blowdown device 113; Receiving trap 16 higher than the water supply installation 11 of water tank form, and has the backflow mouth of a river (not shown) be communicated with the water supply installation 11 of water tank form.The water access that tested shower nozzle sprays by receiving trap 16, is then back in the water supply installation 11 of water tank form by the backflow mouth of a river; Filtrator 111 can prevent impurity etc. from entering in adjustable height setting-out output unit 12 and adjustable low-pressure water output unit 13, protects whole device; Water level balanee device 112 can keep the water level balance of the water supply installation 11 of water tank form, as carried out moisturizing when water level is lower; When the water supply installation 11 of water tank form has impurity or overflow, be discharged to the places such as downcomer by water overblow blowdown device 113; Concrete structure can be, and the upper shed of the water supply installation 11 of water tank form is aimed at the backflow mouth of a river, and current flow directly in water supply installation 11.Water overblow blowdown device 113 can be the blowoff line of the bottom of the water supply installation 11 being communicated in water tank form.
Preferably, water level balanee device 112 comprises the condensate tank of dehumidifier 1121 of the water supply installation 11 being located at water tank form, level alarm for water 1122 and water compensation system 1123; Condensate tank of dehumidifier 1121 is connected in the mode of Signal transmissions with programmable logic controller (PLC) 21, transmits water level signal to programmable logic controller (PLC) 21; Water compensation system 1123 is connected in the mode of Signal transmissions with programmable logic controller (PLC) 21, controls by programmable logic controller (PLC) 21.In actual use, condensate tank of dehumidifier 1121 detects the water level in water supply installation 11, and water level signal is transferred to programmable logic controller (PLC) 21, when water level is prescribed a time limit lower than lower, programmable logic controller (PLC) 21 controls water compensation system 1123 pairs of water supply installations 11 and supplies water, when water level reaches in limited time, programmable logic controller (PLC) 21 controls water compensation system 1123 to be stopped supplying water; When condensate tank of dehumidifier 1121 or water compensation system 1123 break down lamp situation, and when causing the water level in water supply installation 11 too high or too low, level alarm for water 1122 can give the alarm.Condensate tank of dehumidifier 1121 can be ball float class pick-up unit, and level alarm for water 1122 can be hummer, and water compensation system 1123 can be the pipeline of the having electronic switch be connected with water swivel.
Fire water spray nozzle water-pressure sealed detection system of the present utility model, the concrete form of condensate tank of dehumidifier, level alarm for water and water compensation system can carry out adjusting and designing according to actual requirement; The concrete form of receiving trap, water supply installation, filtrator and water overblow blowdown device can carry out adjusting and designing according to actual requirement; The concrete form of low-pressure water outputting power device and low-pressure water output-controlling device and setting position etc. can carry out adjusting and designing according to actual requirement; The concrete form of the second pressure display table and setting position lamp also can carry out adjusting and designing according to actual requirement; The concrete form of water pressure automatic detection device, the first pressure display table and hydraulic pressure constant-voltage equipment also can carry out adjusting and designing according to actual requirement; Revolution speed control device is preferably frequency converter, and its concrete form also can carry out adjusting and designing according to actual requirement; The concrete form of programmable logic controller (PLC) and intelligent human/computer interface and the connected mode of the two etc. are preferably existing form, also can carry out adjusting and designing according to actual requirement, and say further, the form of control module also can carry out adjusting and designing according to actual requirement; The form of pressure relief pipe and pressure relief valve and setting position etc. can carry out adjusting and designing according to actual requirement; The concrete form of water under high pressure outputting power device and water under high pressure output-controlling device and setting position etc. can carry out adjusting and designing according to actual requirement; The tested concrete form of shower nozzle erecting device, the quantity etc. of mounting head can carry out adjusting and designing according to actual requirement.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out suitable change or the modification of similar thinking to it, all should be considered as not departing from patent category of the present utility model.
Claims (10)
1. a fire water spray nozzle water-pressure sealed detection system, is characterized in that: comprise the control module detecting main computer unit and control detection main computer unit; Described detection main computer unit comprises water supply installation, the adjustable height setting-out output unit be communicated with water supply installation and adjustable low-pressure water output unit, and the tested shower nozzle erecting device be communicated with adjustable low-pressure water output unit with adjustable height setting-out output unit.
2. a kind of fire water spray nozzle water-pressure sealed detection system according to claim 1, it is characterized in that: above-mentioned adjustable height setting-out output unit comprises the water under high pressure pipeline be communicated with above-mentioned water supply installation, and the water under high pressure outputting power device be located on water under high pressure pipeline and water under high pressure output-controlling device.
3. a kind of fire water spray nozzle water-pressure sealed detection system according to claim 2, is characterized in that: above-mentioned water under high pressure outputting power device is high-pressure pump; Above-mentioned water under high pressure output-controlling device is the high pressure valve being located at described high-pressure pump downstream.
4. a kind of fire water spray nozzle water-pressure sealed detection system according to claim 3, it is characterized in that: above-mentioned adjustable height setting-out output unit also comprises regulator, described regulator comprises the pressure relief pipe be located between above-mentioned high-pressure pump and above-mentioned high pressure valve, and is located at the pressure relief valve on pressure relief pipe.
5. a kind of fire water spray nozzle water-pressure sealed detection system according to claim 4, is characterized in that: above-mentioned high-pressure pump is equipped with revolution speed control device; Above-mentioned control module comprises programmable logic controller (PLC) and the intelligent human/computer interface for programmable logic controller (PLC) arranging; Described revolution speed control device is connected, by programmable logic controller (PLC) controls in the mode of Signal transmissions with described programmable logic controller (PLC).
6. a kind of fire water spray nozzle water-pressure sealed detection system according to claim 5, it is characterized in that: above-mentioned detection main computer unit also comprises the hydraulic pressure be communicated with adjustable low-pressure water output unit with above-mentioned adjustable height setting-out output unit and detects constant voltage pipeline, and the water pressure automatic detection device be located on hydraulic pressure detection constant voltage pipeline, first pressure display table, and hydraulic pressure constant-voltage equipment; Described water pressure automatic detection device is connected in the mode of Signal transmissions with above-mentioned programmable logic controller (PLC), to programmable logic controller (PLC) transmission pressure signal.
7. a kind of fire water spray nozzle water-pressure sealed detection system according to claim 5 or 6, it is characterized in that: above-mentioned adjustable low-pressure water output unit comprises the low-pressure water pipeline be communicated with above-mentioned water supply installation, and the low-pressure water outputting power device be located on low-pressure water pipeline and low-pressure water output-controlling device.
8. a kind of fire water spray nozzle water-pressure sealed detection system according to claim 7, is characterized in that: above-mentioned low-pressure water outputting power device is low-lift pump; Above-mentioned low-pressure water output-controlling device is the low pressure valve being located at described low-lift pump downstream; Above-mentioned adjustable low-pressure water output unit is equipped with the second pressure display table with above-mentioned low-pressure water pipeline connection, and described second pressure display table is between described low-lift pump and described high pressure valve.
9. a kind of fire water spray nozzle water-pressure sealed detection system according to claim 7, is characterized in that: above-mentioned detection main computer unit also comprises the receiving trap be in for the tested shower nozzle current of access below above-mentioned tested shower nozzle erecting device; Above-mentioned water supply installation is water tank, and the water inlet of corresponding above-mentioned water under high pressure pipeline and low-pressure water pipeline is provided with filtrator; Described water tank is equipped with water level balanee device and water overblow blowdown device; Described receiving trap higher than described water tank, and has the backflow mouth of a river be communicated with water tank.
10. a kind of fire water spray nozzle water-pressure sealed detection system according to claim 9, is characterized in that: above-mentioned water level balanee device comprises condensate tank of dehumidifier, level alarm for water and the water compensation system of being located at above-mentioned water tank; Described condensate tank of dehumidifier is connected in the mode of Signal transmissions with above-mentioned programmable logic controller (PLC), to programmable logic controller (PLC) transmission water level signal; Described water compensation system is connected, by programmable logic controller (PLC) controls in the mode of Signal transmissions with described programmable logic controller (PLC).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420699172.8U CN204269299U (en) | 2014-11-20 | 2014-11-20 | A kind of fire water spray nozzle water-pressure sealed detection system |
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|---|---|---|---|
| CN201420699172.8U CN204269299U (en) | 2014-11-20 | 2014-11-20 | A kind of fire water spray nozzle water-pressure sealed detection system |
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| CN204269299U true CN204269299U (en) | 2015-04-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370377A (en) * | 2016-08-30 | 2017-02-01 | 菏泽海诺知识产权服务有限公司 | Fire sprinkler nozzle water impact resistance performance automatic test device |
| CN106370248A (en) * | 2016-08-30 | 2017-02-01 | 菏泽海诺知识产权服务有限公司 | Device for automatically detecting upper and lower water spray quantities of splash box of sprinkler head for fire control |
| CN106706221A (en) * | 2016-12-14 | 2017-05-24 | 衡阳市力源动力制造有限公司 | Full-automatic water pressure detection equipment used for detecting pressure-bearing part of submersible motor |
| CN106768661A (en) * | 2016-12-14 | 2017-05-31 | 衡阳市力源动力制造有限公司 | A kind of hydraulic pressure testing equipment for detecting the pressure-bearing parts of submersible motor |
| CN106918430A (en) * | 2017-03-30 | 2017-07-04 | 吴至宸 | A kind of fire-fighting plough groove type pipe joint shock resistance automatic test equipment |
-
2014
- 2014-11-20 CN CN201420699172.8U patent/CN204269299U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370377A (en) * | 2016-08-30 | 2017-02-01 | 菏泽海诺知识产权服务有限公司 | Fire sprinkler nozzle water impact resistance performance automatic test device |
| CN106370248A (en) * | 2016-08-30 | 2017-02-01 | 菏泽海诺知识产权服务有限公司 | Device for automatically detecting upper and lower water spray quantities of splash box of sprinkler head for fire control |
| CN106706221A (en) * | 2016-12-14 | 2017-05-24 | 衡阳市力源动力制造有限公司 | Full-automatic water pressure detection equipment used for detecting pressure-bearing part of submersible motor |
| CN106768661A (en) * | 2016-12-14 | 2017-05-31 | 衡阳市力源动力制造有限公司 | A kind of hydraulic pressure testing equipment for detecting the pressure-bearing parts of submersible motor |
| CN106918430A (en) * | 2017-03-30 | 2017-07-04 | 吴至宸 | A kind of fire-fighting plough groove type pipe joint shock resistance automatic test equipment |
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