CN104048802B - Heat exchanger plates performance online detection method - Google Patents
Heat exchanger plates performance online detection method Download PDFInfo
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- CN104048802B CN104048802B CN201410272874.2A CN201410272874A CN104048802B CN 104048802 B CN104048802 B CN 104048802B CN 201410272874 A CN201410272874 A CN 201410272874A CN 104048802 B CN104048802 B CN 104048802B
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Abstract
The invention discloses a kind of heat exchanger plates performance online detecting device and detection method thereof, solve the problem that can not truly simulate heat exchanger plates real work situation that prior art exists. including heat exchanger plates (1), Programmable industrial (21), freq uency conversion supercharging pump (5) and the media Containers (12) equipped with coolant, media Containers (12) is provided with medium liquid return hole, it is provided with liquid back pipe road (13) between the medium liquid return hole and the medium delivery outlet (2) of heat exchanger plates (1) of media Containers (12), liquid back pipe road (13) are provided with the second electrical ball valve (14), liquid back pipe road (13) are also respectively provided with back hydraulic coupling sensor (15), return liquid temp sensor (16) and return flow meters (17), return hydraulic coupling sensor, return liquid temp sensor (16) and time flow meters is electrically connected with Programmable industrial (21) respectively. invention emulates heat exchanger plates in actual working environment, detection performance is comprehensive.
Description
Technical field
The present invention relates to a kind of heat exchanger plates device for detecting performance, particularly to on-line measuring device and the online test method of a kind of low-temperature receiver media for heat exchange plate performance for space flight and aviation field.
Background technology
In being applied to space flight and technical field of aerospace instrument, the many heating elements in instrument are attached on heat exchanger plates, and these components and parts have very strict temperature rise to limit, its normal operation of guarantee of being come up by heat band in time by heat exchanger plates. Heat exchanger plates is usually and is welded by two pieces of aluminium sheet laminatings, is provided with the passage of cold medium between two plates, and during heat exchanger plates work, the cooling medium with certain pressure constantly flows through from passage, takes away the heating heat of components and parts on it. Therefore, the welding performance of welded plate and pressure-bearing index strictly to be detected before dispatching from the factory by welded plate. At present, the detection method of exchange hot plate is to pump in heat exchanger plates by the coolant with certain pressure, keeps certain time, sees that heat exchanger plates is either with or without leakage, is then discharged by coolant. There is heat exchanger plates real work situation of can not truly simulating, the problem that exchange hot plate performance can't detect position in this detection method.
Summary of the invention
The invention provides a kind of heat exchanger plates performance online detecting device and detection method thereof, solve the technical problem that can not truly simulate heat exchanger plates real work situation that prior art exists.
The present invention solves above technical problem by the following technical programs:
A kind of heat exchanger plates performance online detecting device, including heat exchanger plates, Programmable industrial, freq uency conversion supercharging pump and the media Containers equipped with coolant, freq uency conversion supercharging pump and Programmable industrial are electrically connected, the liquid outlet of media Containers is connected with the inlet of freq uency conversion supercharging pump by liquor charging pipeline, liquor charging pipeline is provided with the first electromagnetic valve, the liquid outlet of freq uency conversion supercharging pump is connected with the medium input port of heat exchanger plates by water influent pipeline, water influent pipeline is provided with the first electrical ball valve, water influent pipeline is respectively arranged with inlet hydraulic sensor, feed liquor temperature sensor and feed liquor effusion meter, inlet hydraulic sensor, feed liquor temperature sensor and feed liquor effusion meter are electrically connected with Programmable industrial respectively, media Containers is provided with medium liquid return hole, it is provided with liquid back pipe road between the medium liquid return hole and the medium delivery outlet of heat exchanger plates of media Containers, liquid back pipe road is provided with the second electrical ball valve, liquid back pipe road is also respectively provided with back hydraulic coupling sensor, return liquid temp sensor and return flow meters, return hydraulic coupling sensor, return liquid temp sensor and time flow meters is electrically connected with Programmable industrial respectively, first electromagnetic valve, first electrical ball valve and the second electrical ball valve are electrically connected with Programmable industrial respectively.
Being parallel with pressure release bypass duct at the two ends of the second electrical ball valve, be respectively arranged with needle-valve and the second electromagnetic valve in pressure release bypass duct, the second electromagnetic valve and Programmable industrial are electrically connected.
A kind of heat exchanger plates performance online detection method, comprises the following steps:
The first step, the liquid outlet of media Containers is connected with the inlet of freq uency conversion supercharging pump by liquor charging pipeline, and the first electromagnetic valve is set on liquor charging pipeline; The liquid outlet of freq uency conversion supercharging pump is connected with the medium input port of heat exchanger plates by water influent pipeline, and the first electrical ball valve is set in water influent pipeline; The medium liquid return hole of media Containers is connected by liquid back pipe road with the medium delivery outlet of heat exchanger plates, and the second electrical ball valve is set on liquid back pipe road; In the two ends parallel connection pressure release bypass duct of the second electrical ball valve, pressure release bypass duct is arranged in series needle-valve and the second electromagnetic valve respectively;
Second step, by Programmable industrial set a force value, open the first electromagnetic valve, the first electrical ball valve, the second electrical ball valve, start freq uency conversion supercharging pump and the liquid medium in media Containers is entered into heat exchanger plates by liquor charging pipeline, water influent pipeline from medium input port; Return to media Containers from medium delivery outlet by liquid back pipe road; By the inlet hydraulic sensor arranged in water influent pipeline, feed liquor temperature sensor and feed liquor cmf record inlet hydraulic, temperature and flow value, return hydraulic coupling sensor by liquid back pipe road, return liquid temp sensor and return flow meters record and return hydraulic coupling, temperature and flow value;
3rd step, set a dwell time by Programmable industrial, close the second electrical ball valve, the first electrical ball valve, freq uency conversion supercharging pump and the first electromagnetic valve enter pressure maintaining period;
4th step, by Programmable industrial set a pressure release value, open the second electromagnetic valve and enter into pressure leak process by needle-valve, by the inlet hydraulic sensor arranged in water influent pipeline, signal is fed back in Programmable industrial, when reaching setting value, system is automatically switched off the second electromagnetic valve, enters pressure maintaining period again;
5th step, in second step pressurization, record the inlet hydraulic sensor feedback that arranges in water influent pipeline the first force value to Programmable industrial, the 3rd step pressure maintaining period records the inlet hydraulic sensor feedback that arranges in water influent pipeline the second force value to Programmable industrial; Within the dwell time, the difference of the second force value and the first force value, within the scope of system pressure loss, namely can determine that heat exchanger plates is qualified; Within the dwell time, the difference of the second force value and the first force value, beyond system pressure loss scope, namely can determine that heat exchanger plates is defective.
Present invention achieves dynamically the detection pressure of heat exchanger plates, temperature and flow, simulate heat exchanger plates better in actual working environment, detection performance is comprehensive, and testing result is reliable, and simple in construction, easy accessibility.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail:
A kind of heat exchanger plates performance online detecting device, including heat exchanger plates 1, Programmable industrial 21, freq uency conversion supercharging pump 5 and the media Containers 12 equipped with coolant, freq uency conversion supercharging pump 5 and Programmable industrial 21 are electrically connected, the liquid outlet of media Containers 12 is connected with the inlet of freq uency conversion supercharging pump 5 by liquor charging pipeline 10, liquor charging pipeline 10 is provided with the first electromagnetic valve 11, the liquid outlet of freq uency conversion supercharging pump 5 is connected with the medium input port 3 of heat exchanger plates 1 by water influent pipeline 4, water influent pipeline 4 is provided with the first electrical ball valve 6, water influent pipeline 4 is respectively arranged with inlet hydraulic sensor 7, feed liquor temperature sensor 8 and feed liquor effusion meter 9, inlet hydraulic sensor 7, feed liquor temperature sensor 8 and feed liquor effusion meter 9 are electrically connected with Programmable industrial 21 respectively, media Containers 12 is provided with medium liquid return hole, it is provided with liquid back pipe road 13 between the medium liquid return hole and the medium delivery outlet 2 of heat exchanger plates 1 of media Containers 12, liquid back pipe road 13 is provided with the second electrical ball valve 14, liquid back pipe road 13 is also respectively provided with back hydraulic coupling sensor 15, return liquid temp sensor 16 and return flow meters 17, return hydraulic coupling sensor 15, return liquid temp sensor 16 and time flow meters 17 is electrically connected with Programmable industrial 21 respectively, first electromagnetic valve 11, first electrical ball valve 6 and the second electrical ball valve 14 are electrically connected with Programmable industrial 21 respectively.
Being parallel with pressure release bypass duct 18 at the two ends of the second electrical ball valve 14, be respectively arranged with needle-valve 20 and the second electromagnetic valve 19 in pressure release bypass duct 18, the second electromagnetic valve 19 is electrically connected with Programmable industrial 21.
A kind of heat exchanger plates performance online detection method, comprises the following steps:
The first step, the liquid outlet of media Containers 12 is connected with the inlet of freq uency conversion supercharging pump 5 by liquor charging pipeline 10, and the first electromagnetic valve 11 is set on liquor charging pipeline 10; The liquid outlet of freq uency conversion supercharging pump 5 is connected with the medium input port 3 of heat exchanger plates 1 by water influent pipeline 4, and the first electrical ball valve 6 is set in water influent pipeline 4; The medium liquid return hole of media Containers 12 is connected by liquid back pipe road 13 with the medium delivery outlet 2 of heat exchanger plates 1, and the second electrical ball valve 14 is set on liquid back pipe road 13; In the two ends parallel connection pressure release bypass duct 18 of the second electrical ball valve 14, pressure release bypass duct 18 is arranged in series needle-valve 20 and the second electromagnetic valve 19 respectively;
Second step, set a force value by Programmable industrial 21, open first electromagnetic valve the 11, first electrical ball valve the 6, second electrical ball valve 14, start freq uency conversion supercharging pump 5 and the liquid medium in media Containers 12 is entered into heat exchanger plates 1 by liquor charging pipeline 10, water influent pipeline 4 from medium input port 3; Return to media Containers 12 from medium delivery outlet 2 by liquid back pipe road 13; Inlet hydraulic, temperature and flow value is recorded by the inlet hydraulic sensor 7 arranged in water influent pipeline 4, feed liquor temperature sensor 8 and feed liquor effusion meter 9; Hydraulic coupling, temperature and flow value is recorded back by 13 times, liquid back pipe road hydraulic coupling sensor 15, time liquid temp sensor 16 and time flow meters 17;
3rd step, set a dwell time by Programmable industrial 21, close second electrical ball valve the 14, first electrical ball valve 6, freq uency conversion supercharging pump 5 and the first electromagnetic valve 11 and enter pressure maintaining period;
4th step, set a pressure release value by Programmable industrial 21, open the second electromagnetic valve 19 and enter into pressure leak process by needle-valve 20, by the inlet hydraulic sensor 7 arranged in water influent pipeline 4, signal is fed back in Programmable industrial 21, when reaching setting value, system is automatically switched off the second electromagnetic valve 19, enters pressure maintaining period again;
5th step, the inlet hydraulic sensor 7 arranged in record water influent pipeline 4 in second step pressurization feed back to the first force value in Programmable industrial 21, record the inlet hydraulic sensor 7 arranged in water influent pipeline 4 and feed back to the second force value in Programmable industrial 21 in the 3rd step pressure maintaining period. Within the dwell time, the difference of the second force value and the first force value, within the scope of system pressure loss, namely can determine that heat exchanger plates 1 is qualified; Within the dwell time, the difference of the second force value and the first force value, beyond system pressure loss scope, namely can determine that heat exchanger plates 1 is defective.
The present invention can realize manually and automatically two kinds of functions, and touch screen is provided with annual workflows, automatic workflow, parameter setting window and warning window.
Claims (1)
1. a heat exchanger plates performance online detection method, comprises the following steps:
The first step, the liquid outlet of media Containers (12) is connected with the inlet of freq uency conversion supercharging pump (5) by liquor charging pipeline (10), and the first electromagnetic valve (11) is set on liquor charging pipeline (10); The liquid outlet of freq uency conversion supercharging pump (5) is connected with the medium input port (3) of heat exchanger plates (1) by water influent pipeline (4), and the first electrical ball valve (6) is set in water influent pipeline (4);The medium liquid return hole of media Containers (12) is connected by liquid back pipe road (13) with the medium delivery outlet (2) of heat exchanger plates (1), and the second electrical ball valve (14) is set on liquid back pipe road (13); In two ends parallel connection pressure release bypass duct (18) of the second electrical ball valve (14), pressure release bypass duct (18) is arranged in series needle-valve (20) and the second electromagnetic valve (19) respectively;
Second step, by Programmable industrial (21) set a force value, open the first electromagnetic valve (11), the first electrical ball valve (6), the second electrical ball valve (14), start freq uency conversion supercharging pump (5) and the liquid medium in media Containers (12) is entered into heat exchanger plates (1) by liquor charging pipeline (10), water influent pipeline (4) from medium input port (3); Return to media Containers (12) from medium delivery outlet (2) by liquid back pipe road (13); By upper inlet hydraulic sensor (7), feed liquor temperature sensor (8) and feed liquor effusion meter (9) record inlet hydraulic, temperature and the flow value arranged of water influent pipeline (4); Return hydraulic coupling sensor (15) by liquid back pipe road (13), return liquid temp sensor (16) and return flow meters (17) and record back hydraulic coupling, temperature and flow value;
3rd step, by Programmable industrial (21) set a dwell time, close the second electrical ball valve (14), the first electrical ball valve (6), freq uency conversion supercharging pump (5) and the first electromagnetic valve (11) entrance pressure maintaining period;
4th step, by Programmable industrial (21) set a pressure release value, open the second electromagnetic valve (19) and enter into pressure leak process by needle-valve (20), by water influent pipeline (4) the upper inlet hydraulic sensor (7) arranged, signal is fed back in Programmable industrial (21), when reaching setting value, system is automatically switched off the second electromagnetic valve (19), enters pressure maintaining period again;
5th step, the inlet hydraulic sensor (7) that record water influent pipeline (4) is above arranged in second step pressurization feed back to the first force value in Programmable industrial (21), and the inlet hydraulic sensor (7) recording the upper setting of water influent pipeline (4) in the 3rd step pressure maintaining period feeds back to the second force value in Programmable industrial (21); Within the dwell time, the difference of the second force value and the first force value, within the scope of system pressure loss, namely can determine that heat exchanger plates (1) is qualified; Within the dwell time, the difference of the second force value and the first force value, beyond system pressure loss scope, namely can determine that heat exchanger plates (1) is defective.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410272874.2A CN104048802B (en) | 2014-06-19 | 2014-06-19 | Heat exchanger plates performance online detection method |
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| CN201410272874.2A CN104048802B (en) | 2014-06-19 | 2014-06-19 | Heat exchanger plates performance online detection method |
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| CN104048802A CN104048802A (en) | 2014-09-17 |
| CN104048802B true CN104048802B (en) | 2016-06-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7454956B1 (en) * | 2005-09-22 | 2008-11-25 | Lopresti William J | Heat exchanger leak detection using mass gas flow metering |
| DE202011001002U1 (en) * | 2011-04-28 | 2011-08-30 | Giuseppe Amato | Maintenance and testing device for an automotive air conditioning system |
| CN203024947U (en) * | 2012-12-05 | 2013-06-26 | 广州高澜节能技术股份有限公司 | Testing platform for water cooling plate |
| CN103134648A (en) * | 2012-12-05 | 2013-06-05 | 广州高澜节能技术股份有限公司 | Test platform of water-cooling plate |
| CN103575485B (en) * | 2013-10-22 | 2016-06-08 | 刘君华 | Micro-channel heat exchanger flow characteristics detector and detection method |
| CN203965106U (en) * | 2014-06-19 | 2014-11-26 | 中国电子科技集团公司第二研究所 | Heat exchanger plates performance online pick-up unit |
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