CN105571840A - Test device of pressure test of water spraying head - Google Patents
Test device of pressure test of water spraying head Download PDFInfo
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- CN105571840A CN105571840A CN201510915072.3A CN201510915072A CN105571840A CN 105571840 A CN105571840 A CN 105571840A CN 201510915072 A CN201510915072 A CN 201510915072A CN 105571840 A CN105571840 A CN 105571840A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention provides a test device of a pressure test of a water spraying head. The test device is simple in testing and easy to operate, and comprises a water supplying device, a testing device and a control device. The water supplying device comprises a water tank, a water pump, a pressure stabilizing tank, a water supplying pipe and a water discharging pipe, which are successively connected. The testing device comprises a testing water pipe. At least one spray head fixing device used for fixing a water spraying head is arranged on the testing water pipe which is communicated with the pressure stabilizing tank. According to the invention, the control device compares real-time pressure information of a pressure sensor, controls rotation speed of a motor via a transducer so as to control pressure increasing speed and pressure keeping time of the water supplying pipe and controls pressure discharging pressure of the water supplying pipe via a pressure discharging assembly; automation of a test process is achieved, test is precise and simple to operate and a curve chart in which pressure changes along with time can be created after a test; via the spray head fixing devices, the water spraying head can be quickly disassembled and assembled; and via an installation rack and a water tank structure, installation density of the spray head fixing devices can be increased and water discharging is facilitated.
Description
Technical field
The present invention relates to fire fighting equipment field, what especially relate to is a kind of sprinkler tip pressure testing testing apparatus.
Background technology
Sprinkler tip is the important fire extinguishing parts of direct detection perception fire in automatic sprinkler system, and it can control spreading of fire in time, guarantees the safety of lives and properties, and producer needs to carry out water flowing pressure testing to sprinkler tip when checking sprinkler tip.Need through carrying out boosting in pipeline during sprinkler tip test, pressurize, step-down, boosting, the process such as step-down, only controlling water intaking valve by the tensimeter observed on pipeline cannot accurately, easily realize.The shower nozzle fixing device of existing sprinkler tip pressure testing equipment is generally a joint that can be threaded with sprinkler tip, and it is chronic that dismounting sprinkler tip needs, pressure testing inefficiency.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of and test sprinkler tip pressure testing testing apparatus accurate, simple to operate.
For achieving the above object, technical solution of the present invention is: sprinkler tip pressure testing testing apparatus, comprises water supply installation, proving installation and control device, and described water supply installation comprises the water tank, water pump, buffer tank, feed pipe and the drainpipe that are linked in sequence successively; Described proving installation comprises test water pipe, and described test water pipe is provided with at least one shower nozzle fixing device for fixing sprinkler tip; Described test water pipe is communicated with feed pipe; Described control device comprises frequency converter, pressure transducer, pressure release assembly, display and controller; Described frequency converter is connected with the motor of water pump; Described pressure transducer is located on feed pipe; Described pressure release assembly is located on drainpipe; Described controller is connected with frequency converter, pressure transducer, pressure release assembly, display.
Preferably, the exportable real-time pressure of described pressure transducer, the exportable motor speed information of described frequency converter;
Described controller comprises:
Timing module, for output time information;
Load module, for inputting set pressure, setting-up time;
Control module, connect frequency converter, pressure transducer, pressure release assembly, display, timing module, load module, for the deviate of set pressure and real-time pressure is carried out PID arithmetic, and the rotating speed needed for the motor of result of calculation and time are flowed to frequency converter and/or by the pressure release information conveyance needed for the pressure release assembly of result of calculation to pressure release assembly, also for generating pressure time history plot data according to real-time pressure and temporal information, also for by real-time pressure, set pressure, setting-up time, pressure time history plot data, motor speed information conveyance shows to display.
Preferably, described pressure release assembly comprises the pneumatic ball valve be located on drainpipe and the solenoid valve be located in pneumatic ball valve gas circuit, and described solenoid valve is connected with controller.
Preferably, also comprise frame, the erecting frame that described frame comprises base, is located at the tank above base and is located in tank, described test water pipe is located on erecting frame, being communicated with by return pipe with between water tank of described tank; The side, front and back of described erecting frame is equipped with the panel of inclination, and the inner side of panel is located at by described test water pipe, and the upper end of described shower nozzle fixing device reaches the outside of panel through panel.Tank can be collected the test water that spills of water pipe and be recycled to water tank.The installation of the sprinkler tip on the test water pipe that skewed panel had both expediently been laid down, leaking in panel inflow tank when sprinkler tip can be made again to dismantle.The side, front and back of erecting frame is equipped with panel, can arrange test water pipe simultaneously, increase the concentration degree of test water pipe, reduce the volume of erecting frame in the side, front and back of erecting frame.
Preferably, described shower nozzle fixing device comprises valve body, piston and valve seat, described valve seat is fixed on test water pipe, the bottom of described valve body is fixed on valve seat, the top of described valve body is provided with the notch holding sprinkler tip connecting portion, the two side of described notch is equipped with the groove for blocking sprinkler tip connecting portion; Described valve body is provided with valve pocket between notch and valve seat, the first passage being communicated with valve pocket and test water pipe is provided with in described valve seat, described piston is slidably located in valve pocket, spring is provided with between described piston and valve seat, valve pocket O-ring seal is provided with between described piston and valve pocket inwall, be provided with the second channel being communicated with end face and bottom surface in described piston, the top of described piston is frustum shape, and the top of described piston is provided with injector seals circle.Rotate after the connecting portion insertion notch of sprinkler tip, make the connecting portion of sprinkler tip be stuck in groove, easy accessibility, fast.
Preferably, described controller comprises switch module, and described switch module can on-off controller.
Preferably, described feed pipe is provided with draining valve and tensimeter; Described proving installation comprise several test water pipe, each test water pipe one end is provided with inlet valve, the other end is provided with water discharging valve.Can test multiple test water pipe simultaneously, also can test a test water pipe separately.
Preferably, described test water pipe is tested arm by plural section and is composed in series, and plural section test arm is arranged side by side.The length of test water pipe can be reduced, increase the genesis analysis density of test water pipe.
Preferably, described buffer tank comprises tank body, and the bottom of described tank body is provided with water delivering orifice, and the middle and lower part of described tank body is provided with water inlet, and the top of described tank body is provided with electric contact point pressure gauge and air valve, and described controller is connected with electric contact point pressure gauge.Pressure condition in electric contact point pressure gauge observable buffer tank, when pressure exceedes setting value, can send electric signal to controller and water pump is quit work, thus plays protection tank body safety effect.
Preferably, described control device, water pump, water tank are all located in frame, and described frame is provided with control desk, and described control desk is provided with display, tensimeter, electric contact point pressure gauge and switch module.Whole testing apparatus concentrates in frame, has both decreased space also convenient mobile.
By adopting above-mentioned technical scheme, the invention has the beneficial effects as follows: the real time pressure information of control device reduced pressure sensor of the present invention, by Frequency Converter Control motor speed to control the rate of rise and the dwell time of feed pipe, controlled the vent pressure of feed pipe by pressure release assembly; Realize the robotization of test process, test accurate, simple to operate, after test, pressure time history plot can be generated; Shower nozzle fixing device fast demountable sprinkler tip; Erecting frame and sink structure, can increase the packing density of shower nozzle fixing device and facilitate draining.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 1 frame;
Fig. 3 is the structural representation of the embodiment of the present invention 1 buffer tank;
Fig. 4 is the structural representation of shower nozzle fixing device of the present invention;
Fig. 5 is the structural representation after shower nozzle fixing device stationary nozzle of the present invention;
Fig. 6 is the structural representation of the embodiment of the present invention 2.
Main Reference Numerals illustrates:
Water tank 11; Water pump 12; Motor 121; Buffer tank 2; Tank body 21; Water inlet 22; Water delivering orifice 23; Electric contact point pressure gauge 24; Air valve 25; Feed pipe 31; Draining valve 32; Inlet valve 33; Water discharging valve 34; Tensimeter 35; Drainpipe 36; Test water pipe 41; Shower nozzle fixing device 42; Valve seat 421; First passage 4211; Valve body 422; Notch 4221; Groove 4222; Valve pocket 4223; Piston 423; Second channel 4231; Spring 424; Base 43; Tank 44; Erecting frame 45; Panel 46; Controller 51; Control module 511; Timing module 512; Load module 513; Display 52; Pressure transducer 53; Pressure release assembly 54; Solenoid valve 541; Pneumatic ball valve 542; Sprinkler tip 6; Control desk 55; Frequency converter 56.
Embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Embodiment 1:
As Figure 1-Figure 5, sprinkler tip pressure testing testing apparatus of the present invention, comprises water supply installation, proving installation and control device, and described water supply installation comprises the water tank 11, water pump 12, buffer tank 2, feed pipe 31 and the drainpipe 36 that are linked in sequence successively; Described proving installation comprises test water pipe 41, and described test water pipe 41 is provided with at least one shower nozzle fixing device 42 for fixing sprinkler tip; Described test water pipe 41 is communicated with feed pipe 31; Described control device comprises frequency converter 56, pressure transducer 53, pressure release assembly 54, display 52 and controller 51; Described frequency converter 56 is connected with the motor 121 of water pump 12; Described pressure transducer 53 is located on feed pipe; Described pressure release assembly 54 is located on drainpipe 36; Described controller 51 is connected with frequency converter 56, pressure transducer 53, pressure release assembly 54, display 52; Set pressure in the real-time pressure of controller 51 reduced pressure sensor 53 and controller 51 calculates the rotating speed and time that motor 121 needs, rotating speed and temporal information are flowed to frequency converter 56, control by frequency converter 56 rate of rise and the dwell time that the rotating speed of motor 121 and time control feed pipe 31, display 52 can be used for information such as display real-time pressure and motor speed etc.
The exportable real-time pressure of described pressure transducer 53, the exportable motor speed information of described frequency converter 56;
Described controller 51 comprises:
Timing module 512, for output time information;
Load module 513, for inputting set pressure, setting-up time;
Control module 511, connect frequency converter 56, pressure transducer 53, pressure release assembly 54, display 52, timing module 512, load module 513, for the deviate of set pressure and real-time pressure is carried out PID arithmetic, and the rotating speed needed for the motor of result of calculation and time are flowed to frequency converter 56 and/or by the pressure release information conveyance needed for the pressure release assembly 54 of result of calculation to pressure release assembly 54, also for generating pressure time history plot data according to real-time pressure and temporal information, also for by real-time pressure, set pressure, setting-up time, pressure time history plot data, motor speed information conveyance shows to display 52.
Described pressure release assembly 54 comprises the pneumatic ball valve 542 be located on drainpipe 36 and the solenoid valve 541 be located in the gas circuit of pneumatic ball valve 542, and described solenoid valve 541 is connected with controller 51; Described controller 51 comprises switch module, and described switch module can on-off controller 51.
Also comprise frame, the erecting frame 45 that described frame comprises base 43, is located at the tank 44 above base 43 and is located in tank 44, described test water pipe 41 is located on erecting frame 45, being communicated with by return pipe with between water tank 11 of described tank 44; Tank 44 can be collected the test water that spills of water pipe 41 and be recycled in water tank 11; The side, front and back of described erecting frame 45 is equipped with the panel 46 of inclination, and the inner side of panel 46 is located at by described test water pipe 41, and the upper end of described shower nozzle fixing device 42 reaches the outside of panel 46 through panel 46; The installation of the sprinkler tip on the test water pipe 41 that skewed panel 46 had both expediently been laid down, leaking when sprinkler tip can be made again to dismantle flows in tank 44 along panel 46, the side, front and back of erecting frame 45 is equipped with panel 46, test water pipe can be set in the side, front and back of erecting frame 45 simultaneously, increase the concentration degree of test water pipe 41, reduce the volume of erecting frame 45.
Described shower nozzle fixing device 42 comprises valve body 422, piston 423 and valve seat 421, described valve seat 421 is fixed on test water pipe 41, the bottom of described valve body 422 is fixed on valve seat 421, the top of described valve body 422 is provided with the notch 4221 holding sprinkler tip 6 connecting portion, the two side of described notch 4221 is equipped with the groove 4222 for blocking sprinkler tip 6 connecting portion; Described valve body 422 is provided with valve pocket 4223 between notch 4221 and valve seat 421, the first passage 4211 being communicated with valve pocket 4223 and test water pipe 41 is provided with in described valve seat 421, described piston 423 is slidably located in valve pocket 4223, spring 424 is provided with between described piston 423 and valve seat 421, valve pocket O-ring seal is provided with between described piston 423 and valve pocket 4223 inwall, the second channel 4231 being communicated with end face and bottom surface is provided with in described piston 423, the top of described piston 423 is frustum shape, and the top of described piston 423 is provided with injector seals circle.The connecting portion of sprinkler tip 6 inserts the rear rotation of notch 4221, the connecting portion of sprinkler tip 6 is made to be stuck in groove 4222, the bottom of sprinkler tip 6 is inserted on piston 423 its top under the effect of spring 424, during test, the water of test water pipe 41 is entered on sprinkler tip 6 by first passage 4211, valve pocket 4223, second channel 4231 successively.
Described feed pipe 31 is provided with draining valve 32 and tensimeter 35; Described proving installation comprises four test water pipes 41, and one end of each test water pipe 41 is provided with inlet valve 33, the other end is provided with water discharging valve 34; Described test water pipe 41 is composed in series by two sections of test arms, and two sections of test arms are disposed side by side on erecting frame 45; Can determine whether this test water pipe 41 adds test by controlling inlet valve 33, can water in emptying test water pipe 41 by water discharging valve 34, conveniently maintain;
Described buffer tank 2 comprises tank body 21, and the bottom of described tank body 21 is provided with water delivering orifice 23, and the middle and lower part of described tank body 21 is provided with water inlet 22, and the top of described tank body 21 is provided with electric contact point pressure gauge 24 and air valve 25; Described controller is connected with electric contact point pressure gauge.Pressure condition in electric contact point pressure gauge 24 observable buffer tank, when electric contact point pressure gauge 24 pressure exceedes setting value, can send electric signal to controller and water pump 12 is quit work, thus plays protection tank body 21 safety effect.
Embodiment 2:
As shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 6, sprinkler tip pressure testing testing apparatus of the present invention, comprise water supply installation, proving installation and control device, described water supply installation comprises the water tank 11, water pump 12, buffer tank 2, feed pipe 31 and the drainpipe 36 that are linked in sequence successively; Described proving installation comprises test water pipe 41, and described test water pipe 41 is provided with at least one shower nozzle fixing device 42 for fixing sprinkler tip; Described test water pipe 41 is communicated with feed pipe 31; Described control device comprises frequency converter 56, pressure transducer 53, pressure release assembly 54, display 52 and controller 51; Described frequency converter 56 is connected with the motor 121 of water pump 12; Described pressure transducer 53 is located on feed pipe; Described pressure release assembly 54 is located on drainpipe 36; Described controller 51 is connected with frequency converter 56, pressure transducer 53, pressure release assembly 54, display 52; Set pressure in the real-time pressure of controller 51 reduced pressure sensor 53 and controller 51 calculates the rotating speed and time that motor 121 needs, rotating speed and temporal information are flowed to frequency converter 56, control by frequency converter 56 rate of rise and the dwell time that the rotating speed of motor 121 and time control feed pipe 31, display 52 can be used for information such as display real-time pressure and motor speed etc.
The exportable real-time pressure of described pressure transducer 53, the exportable motor speed information of described frequency converter 56;
Described controller 51 comprises:
Timing module 512, for output time information;
Load module 513, for inputting set pressure, setting-up time;
Control module 511, connect frequency converter 56, pressure transducer 53, pressure release assembly 54, display 52, timing module 512, load module 513, for the deviate of set pressure and real-time pressure is carried out PID arithmetic, and the rotating speed needed for the motor of result of calculation and time are flowed to frequency converter 56 and/or by the pressure release information conveyance needed for the pressure release assembly 54 of result of calculation to pressure release assembly 54, also for generating pressure time history plot data according to real-time pressure and temporal information, also for by real-time pressure, set pressure, setting-up time, pressure time history plot data, motor speed information conveyance shows to display 52.
Described pressure release assembly 54 comprises the pneumatic ball valve 542 be located on drainpipe 36 and the solenoid valve 541 be located in the gas circuit of pneumatic ball valve 542, and described solenoid valve 541 is connected with controller 51; Described controller 51 comprises switch module, and described switch module can on-off controller 51.
Also comprise frame, the erecting frame 45 that described frame comprises base 43, is located at the tank 44 above base 43 and is located in tank 44, described test water pipe 41 is located on erecting frame 45, being communicated with by return pipe with between water tank 11 of described tank 44; Tank 44 can be collected the test water that spills of water pipe 41 and be recycled in water tank 11; The side, front and back of described erecting frame 45 is equipped with the panel 46 of inclination, and the inner side of panel 46 is located at by described test water pipe 41, and the upper end of described shower nozzle fixing device 42 reaches the outside of panel 46 through panel 46; The installation of the sprinkler tip on the test water pipe 41 that skewed panel 46 had both expediently been laid down, leaking when sprinkler tip can be made again to dismantle flows in tank 44 along panel 46, the side, front and back of erecting frame 45 is equipped with panel 46, test water pipe can be set in the side, front and back of erecting frame 45 simultaneously, increase the concentration degree of test water pipe 41, reduce the volume of erecting frame 45.
Described shower nozzle fixing device 42 comprises valve body 422, piston 423 and valve seat 421, described valve seat 421 is fixed on test water pipe 41, the bottom of described valve body 422 is fixed on valve seat 421, the top of described valve body 422 is provided with the notch 4221 holding sprinkler tip 6 connecting portion, the two side of described notch 4221 is equipped with the groove 4222 for blocking sprinkler tip 6 connecting portion; Described valve body 422 is provided with valve pocket 4223 between notch 4221 and valve seat 421, the first passage 4211 being communicated with valve pocket 4223 and test water pipe 41 is provided with in described valve seat 421, described piston 423 is slidably located in valve pocket 4223, spring 424 is provided with between described piston 423 and valve seat 421, valve pocket O-ring seal is provided with between described piston 423 and valve pocket 4223 inwall, the second channel 4231 being communicated with end face and bottom surface is provided with in described piston 423, the top of described piston 423 is frustum shape, and the top of described piston 423 is provided with injector seals circle.The connecting portion of sprinkler tip 6 inserts the rear rotation of notch 4221, the connecting portion of sprinkler tip 6 is made to be stuck in groove 4222, the bottom of sprinkler tip 6 is inserted on piston 423 its top under the effect of spring 424, during test, the water of test water pipe 41 is entered on sprinkler tip 6 by first passage 4211, valve pocket 4223, second channel 4231 successively.
Described feed pipe 31 is provided with draining valve 32 and tensimeter 35; Described proving installation comprises four test water pipes 41, and one end of each test water pipe 41 is provided with inlet valve 33, the other end is provided with water discharging valve 34; Described test water pipe 41 is composed in series by two sections of test arms, and two sections of test arms are disposed side by side on erecting frame 45; Can determine whether this test water pipe 41 adds test by controlling inlet valve 33, can water in emptying test water pipe 41 by water discharging valve 34, conveniently maintain;
Described buffer tank 2 comprises tank body 21, and the bottom of described tank body 21 is provided with water delivering orifice 23, and the middle and lower part of described tank body 21 is provided with water inlet 22, and the top of described tank body 21 is provided with electric contact point pressure gauge 24 and air valve 25; Described controller is connected with electric contact point pressure gauge.Pressure condition in electric contact point pressure gauge 24 observable buffer tank, when electric contact point pressure gauge 24 pressure exceedes setting value, can send electric signal and water pump 12 is quit work, thus plays protection tank body 21 safety effect.
Described control device, water pump 12, water tank 11 are all located in frame, and described frame is provided with control desk 55, and described control desk 55 is provided with display 52, tensimeter 35, electric contact point pressure gauge 24 and switch module; Whole testing apparatus concentrates in frame, has both decreased space also convenient mobile.
Above-described, be only preferred embodiment of the present invention, the scope that this practicality is implemented can not be limited, every equalization change of doing according to the present patent application the scope of the claims and decoration, all should still belong in scope that the present invention contains.
Claims (10)
1. sprinkler tip pressure testing testing apparatus, is characterized in that: comprise water supply installation, proving installation and control device, and described water supply installation comprises the water tank, water pump, buffer tank, feed pipe and the drainpipe that are linked in sequence successively; Described proving installation comprises test water pipe, and described test water pipe is provided with at least one shower nozzle fixing device for fixing sprinkler tip; Described test water pipe is communicated with feed pipe; Described control device comprises frequency converter, pressure transducer, pressure release assembly, display and controller; Described frequency converter is connected with the motor of water pump; Described pressure transducer is located on feed pipe; Described pressure release assembly is located on drainpipe; Described controller is connected with frequency converter, pressure transducer, pressure release assembly, display.
2. sprinkler tip pressure testing testing apparatus according to claim 1, is characterized in that: the exportable real-time pressure of described pressure transducer, the exportable motor speed information of described frequency converter;
Described controller comprises:
Timing module, for output time information;
Load module, for inputting set pressure, setting-up time;
Control module, connect frequency converter, pressure transducer, pressure release assembly, display, timing module, load module, for the deviate of set pressure and real-time pressure is carried out PID arithmetic, and the rotating speed needed for the motor of result of calculation and time are flowed to frequency converter and/or by the pressure release information conveyance needed for the pressure release assembly of result of calculation to pressure release assembly, also for generating pressure time history plot data according to real-time pressure and temporal information, also for by real-time pressure, set pressure, setting-up time, pressure time history plot data, motor speed information conveyance shows to display.
3. sprinkler tip pressure testing testing apparatus according to claim 1, is characterized in that: described pressure release assembly comprises the pneumatic ball valve be located on drainpipe and the solenoid valve be located in pneumatic ball valve gas circuit, and described solenoid valve is connected with controller.
4. sprinkler tip pressure testing testing apparatus according to claim 1, it is characterized in that: also comprise frame, the erecting frame that described frame comprises base, is located at the tank above base and is located in tank, described test water pipe is located on erecting frame, being communicated with by return pipe with between water tank of described tank; The side, front and back of described erecting frame is equipped with the panel of inclination, and the inner side of panel is located at by described test water pipe, and the upper end of described shower nozzle fixing device reaches the outside of panel through panel.
5. sprinkler tip pressure testing testing apparatus according to claim 1, it is characterized in that: described shower nozzle fixing device comprises valve body, piston and valve seat, described valve seat is fixed on test water pipe, the bottom of described valve body is fixed on valve seat, the top of described valve body is provided with the notch holding sprinkler tip connecting portion, the two side of described notch is equipped with the groove for blocking sprinkler tip connecting portion; Described valve body is provided with valve pocket between notch and valve seat, the first passage being communicated with valve pocket and test water pipe is provided with in described valve seat, described piston is slidably located in valve pocket, spring is provided with between described piston and valve seat, valve pocket O-ring seal is provided with between described piston and valve pocket inwall, be provided with the second channel being communicated with end face and bottom surface in described piston, the top of described piston is frustum shape, and the top of described piston is provided with injector seals circle.
6. sprinkler tip pressure testing testing apparatus according to claim 1, it is characterized in that: described controller comprises switch module, described switch module can on-off controller.
7. sprinkler tip pressure testing testing apparatus according to claim 1, is characterized in that: described feed pipe is provided with draining valve and tensimeter; Described proving installation comprise several test water pipe, each test water pipe one end is provided with inlet valve, the other end is provided with water discharging valve.
8. sprinkler tip pressure testing testing apparatus according to claim 7, is characterized in that: described test water pipe is tested arm by plural section and composed in series, and plural section test arm is arranged side by side.
9. sprinkler tip pressure testing testing apparatus according to claim 1, it is characterized in that: described buffer tank comprises tank body, the bottom of described tank body is provided with water delivering orifice, the middle and lower part of described tank body is provided with water inlet, the top of described tank body is provided with electric contact point pressure gauge and air valve, and described controller is connected with electric contact point pressure gauge.
10. sprinkler tip pressure testing testing apparatus according to claim 4, it is characterized in that: described control device, water pump, water tank are all located in frame, described frame is provided with control desk, and described control desk is provided with display, tensimeter, electric contact point pressure gauge and switch module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510915072.3A CN105571840A (en) | 2015-12-11 | 2015-12-11 | Test device of pressure test of water spraying head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510915072.3A CN105571840A (en) | 2015-12-11 | 2015-12-11 | Test device of pressure test of water spraying head |
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| CN105571840A true CN105571840A (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510915072.3A Pending CN105571840A (en) | 2015-12-11 | 2015-12-11 | Test device of pressure test of water spraying head |
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| CN (1) | CN105571840A (en) |
Cited By (4)
| 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 |
| CN106499619A (en) * | 2016-12-06 | 2017-03-15 | 三汽车制造有限公司 | The testing equipment of fire-fighting equipment |
| CN107643151A (en) * | 2017-08-04 | 2018-01-30 | 东华大学 | A kind of fire-fighting spraying head device for detecting sealability |
| CN107677494A (en) * | 2017-08-04 | 2018-02-09 | 南通锐深环保科技有限公司 | A kind of Intelligent control water test platform |
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| CN203431273U (en) * | 2013-09-05 | 2014-02-12 | 福建省三鲸消防器材有限公司 | Pressure test device for sprinkler heads |
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| CN104198177A (en) * | 2014-09-18 | 2014-12-10 | 上海建科检验有限公司 | Test system for multiple performances of water nozzle |
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| JPS60135840A (en) * | 1983-12-26 | 1985-07-19 | Natl House Ind Co Ltd | Heated water spray tester |
| KR200438885Y1 (en) * | 2007-02-26 | 2008-03-10 | 세웅기계 주식회사 | Springkler head |
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| 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 |
| CN106499619A (en) * | 2016-12-06 | 2017-03-15 | 三汽车制造有限公司 | The testing equipment of fire-fighting equipment |
| CN107643151A (en) * | 2017-08-04 | 2018-01-30 | 东华大学 | A kind of fire-fighting spraying head device for detecting sealability |
| CN107677494A (en) * | 2017-08-04 | 2018-02-09 | 南通锐深环保科技有限公司 | A kind of Intelligent control water test platform |
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Application publication date: 20160511 |
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