CN105136840A - Pour point tester cooling device - Google Patents
Pour point tester cooling device Download PDFInfo
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- CN105136840A CN105136840A CN201510504208.1A CN201510504208A CN105136840A CN 105136840 A CN105136840 A CN 105136840A CN 201510504208 A CN201510504208 A CN 201510504208A CN 105136840 A CN105136840 A CN 105136840A
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- water
- circuit
- pour point
- valve
- fluid system
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Abstract
The invention discloses a pour point tester cooling device. The pour point tester cooling device is composed of a fluid system, a stabilized voltage supply, and a housing arranged at the external of the fluid system and the stabilized voltage supply; the fluid system comprises a radiator, a heat dissipation pump, a back-water valve, a water outlet valve, and a pipeline thermometer; a heat dissipation system comprises an air fan set, a radiator thermometer, and a connection water pipe; the stabilized voltage supply is composed of a main circuit and a control circuit; the main circuit comprises a pulse current limiter, an input filter, a rectification and filter circuit, an inverter circuit, and an output rectification filter circuit. The pour point tester cooling device is capable of satisfying cooling requirements of pour point testers in experiments, and avoiding waste of cooling medium.
Description
Technical field
The invention belongs to electric device maintenance technical field, particularly relate to a kind of pour point tester cooling device.
Background technology
According to the regulation in GB2536-2011 " the original mineral insulating oil of electrician's fluid transformer and switch " and GBT14542-2005 " operating transformer oil maintenance management directive/guide ", oil pour point test is the project that must detect before repairing contaminated product in fresh oil handing-over, operation.At present, the pour point auto testing instrument that testing laboratory uses uses tap water as condensate water, tests the water approximately needing 80L at every turn, and heat eliminating medium fails to reuse, and result causes waste.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide a kind of pour point tester cooling device.
In order to achieve the above object, pour point tester cooling device provided by the invention by fluid system, stabilized voltage supply and be arranged on fluid system, the shell of stabilized voltage supply outside forms;
Wherein fluid system comprises: heating radiator, heat dissipation pump, back-water valve (BWV), outlet valve and pipe temperature meter, and cooling system comprises: fan group, radiator thermometer and connecting water pipe; Wherein: the water inlet of heating radiator is connected by the water delivering orifice of back-water valve (BWV) with pour point tester, the water delivering orifice of heating radiator is connected with the water inlet of heat dissipation pump by outlet valve, the water delivering orifice of heat dissipation pump is connected with the water inlet of pour point tester, is provided with pipe temperature meter at the water outlet of heat dissipation pump; Heating radiator is made up of water tank and heat radiation comb, configures fan group outside heat radiation comb, and configure radiator thermometer inside heat radiation comb, fan group is made up of multiple radiator fan, for being heating radiator cooling; Radiator thermometer is for detecting the gas flow temperature at air outlet place inside heat radiation comb, and pipe temperature meter is for detecting the water temperature of heat dissipation pump water outlet;
Stabilized voltage supply is made up of main circuit and control circuit, and main circuit comprises: pulse current limiter, input filter, rectification and filtering circuit, inverter circuit, output rectifier and filter; Wherein: pulse current limiter is connected with the input end of inverter circuit with filtering circuit with rectification by input filter successively, the output terminal of inverter circuit is connected with the input end of output rectifier and filter, the output terminal of output rectifier and filter is the output terminal of this stabilized voltage supply, exports 12V direct current; Control circuit comprises: clock oscillator, pwm circuit, driving circuit and protection circuit; Wherein: pwm circuit is connected with clock oscillator and protection circuit respectively, the output terminal of pwm circuit is connected with the inverter circuit in main circuit by driving circuit.
Described fluid system also comprises: cooling pump, chilled water tank and cooling valve, wherein: the water inlet of cooling pump is connected with chilled water tank, water delivering orifice is connected with the water delivering orifice of heat dissipation pump by cooling valve; Cooling pump is used for the chilled water injecting chilled water tank in fluid system, with replenishment cycles water.
Described fluid system also comprises: waist valve and waste liquid tank; Wherein: waist valve is gating valve, and its water inlet is connected with the water delivering orifice of heat dissipation pump, two water delivering orifices one are connected with the water inlet of pour point tester, and another is connected with waste liquid tank; Waist valve is used among discharge of wastewater unnecessary in fluid system to waste liquid tank.
Pour point tester cooling device provided by the invention can not only meet the cooling requirement of pour point auto testing instrument in test needs, and can also avoid the waste of heat eliminating medium.
Accompanying drawing explanation
Fig. 1 is pour point tester cooling device structural representation provided by the invention.
Fig. 2 is the schematic diagram of stabilized voltage supply in this device.
Embodiment
Below in conjunction with the drawings and specific embodiments, pour point tester cooling device provided by the invention is described in detail.
As shown in Figure 1, pour point tester cooling device provided by the invention by fluid system, stabilized voltage supply and be arranged on fluid system, the shell of stabilized voltage supply outside forms;
Wherein fluid system comprises: heating radiator 1, heat dissipation pump 2, back-water valve (BWV) 3, outlet valve 4 and pipe temperature meter 5, and cooling system comprises: fan group 6, radiator thermometer 7 and connecting water pipe; Wherein: the water inlet of heating radiator 1 is connected by the water delivering orifice of back-water valve (BWV) 3 with pour point tester 13, the water delivering orifice of heating radiator 1 is connected with the water inlet of heat dissipation pump 2 by outlet valve 4, the water delivering orifice of heat dissipation pump 2 is connected with the water inlet of pour point tester 13, is provided with pipe temperature meter 5 at the water outlet of heat dissipation pump 2; Heating radiator 1 is made up of water tank and heat radiation comb, configures fan group 6 outside heat radiation comb, and configure radiator thermometer 7 inside heat radiation comb, fan group 6 is made up of multiple radiator fan, for lowering the temperature for heating radiator 1; Radiator thermometer 7 is for detecting the gas flow temperature at air outlet place inside heat radiation comb, and pipe temperature meter 5 is for detecting the water temperature of heat dissipation pump 2 water outlet.
Described fluid system also comprises: cooling pump 8, chilled water tank 9 and cooling valve 10, wherein: the water inlet of cooling pump 8 is connected with chilled water tank 9, water delivering orifice is connected with the water delivering orifice of heat dissipation pump 2 by cooling valve 10; Cooling pump 8 for injecting the chilled water of chilled water tank 9 in fluid system, with replenishment cycles water.
Described fluid system also comprises: waist valve 11 and waste liquid tank 12; Wherein: waist valve 11 is gating valve, and its water inlet is connected with the water delivering orifice of heat dissipation pump 2, two water delivering orifices one are connected with the water inlet of pour point tester 13, and another is connected with waste liquid tank 11; Waist valve 11 is for by among discharge of wastewater unnecessary in fluid system to waste liquid tank 11.
As shown in Figure 2, stabilized voltage supply is made up of main circuit 1 and control circuit 2, and main circuit 1 comprises: pulse current limiter 1.1, input filter 1.2, rectification and filtering circuit 1.3, inverter circuit 1.4, output rectifier and filter 1.5; Wherein: pulse current limiter 1.1 is connected with 220V power supply, be connected with the input end of filtering circuit 1.3 with inverter circuit 1.4 with rectification by input filter 1.2 successively simultaneously, the output terminal of inverter circuit 1.4 is connected with the input end of output rectifier and filter 1.5, the output terminal of output rectifier and filter 1.5 is the output terminal of this stabilized voltage supply, exports 12V direct current to consuming parts each in fluid system;
Described control circuit 2 comprises: clock oscillator 2.1, pwm circuit 2.2, driving circuit 2.3 and protection circuit 2.4; Wherein: pwm circuit 2.2 is connected with clock oscillator 2.1 and protection circuit 2.4 respectively, the output terminal of pwm circuit 2.2 is connected with the inverter circuit 1.4 in main circuit 1 by driving circuit 2.3.
The principle of work of pour point tester cooling device provided by the invention: inject pure water in fluid system, starts heat dissipation pump 2 and is discharged by air in system.During equipment work, water in heating radiator 1 is injected pour point tester 13 by heat dissipation pump 2, for instrument cooling, water after using is discharged from the water delivering orifice of pour point tester 13 and again enters heating radiator 1, fan group 6 is provided with outside the heat radiation comb of heating radiator 1, for being the circulating water cooling in heating radiator 1, the water after cooling again circulates and enters pour point tester 13 for instrument cooling.Stabilized voltage supply is respectively heat dissipation pump 2, fan group 6 and cooling pump 8 and provides power supply, and fluid system, stabilized voltage supply are integrated as a whole, and shell uses anode frosted aluminium, and heat radiation is efficient.
Meanwhile, the effect of the pulse current limiter 1.1 in stabilized voltage supply is dash currents that 220V power supply moment input side is connected in restriction; The effect of input filter 1.2 is that the clutter filtering electrical network existence and the clutter hindering this stabilized voltage supply to produce feed back to electrical network; Rectification and filtering circuit 1.3 are for being more level and smooth direct current by direct for AC power rectification; Inverter circuit 1.4 is for becoming high-frequency alternating current by the direct current after rectification; Output rectifier and filter 1.5 can according to load needs, for consuming parts each in above-mentioned fluid system provides reliable and stable direct supply.
Clock oscillator 2.1, pwm circuit 2.2, driving circuit 2.3 and protection circuit 2.4; Wherein: pwm circuit 2.2 is connected with clock oscillator 2.1 and protection circuit 2.4 respectively, the output terminal of pwm circuit 2.2 is connected with the inverter circuit 1.4 in main circuit 1 by driving circuit 2.3.
Clock oscillator 2.1 in control circuit 2 provides time standard for pwm circuit 2.2; Pwm circuit 2.2 is undertaken modulating by the width of paired pulses and obtains required waveform equivalently; Protection circuit 2.4 provides over-voltage over-current protection for whole circuit, forms closed-loop system by feedback mechanism, thus pwm circuit 2.2 is responded more accurately with efficient.
Claims (3)
1. a pour point tester cooling device, is characterized in that: described pour point tester cooling device is by fluid system, stabilized voltage supply and be arranged on fluid system, the shell of stabilized voltage supply outside forms;
Wherein fluid system comprises: heating radiator (1), heat dissipation pump (2), back-water valve (BWV) (3), outlet valve (4) and pipe temperature meter (5), and cooling system comprises: fan group (6), radiator thermometer (7) and connecting water pipe; Wherein: the water inlet of heating radiator (1) is connected by the water delivering orifice of back-water valve (BWV) (3) with pour point tester (13), the water delivering orifice of heating radiator (1) is connected with the water inlet of heat dissipation pump (2) by outlet valve (4), the water delivering orifice of heat dissipation pump (2) is connected with the water inlet of pour point tester (13), is provided with pipe temperature meter (5) at the water outlet of heat dissipation pump (2); Heating radiator (1) is made up of water tank and heat radiation comb, fan group (6) is configured outside heat radiation comb, radiator thermometer (7) is configured inside heat radiation comb, fan group (6) is made up of multiple radiator fan, for being heating radiator (1) cooling; Radiator thermometer (7) is for detecting the gas flow temperature at air outlet place inside heat radiation comb, and pipe temperature meter (5) is for detecting the water temperature of heat dissipation pump (2) water outlet;
Stabilized voltage supply is made up of main circuit (1) and control circuit (2), and main circuit (1) comprising: pulse current limiter (1.1), input filter (1.2), rectification and filtering circuit (1.3), inverter circuit (1.4), output rectifier and filter (1.5); Wherein: pulse current limiter (1.1) is connected with the input end of filtering circuit (1.3) with inverter circuit (1.4) with rectification by input filter (1.2) successively, the output terminal of inverter circuit (1.4) is connected with the input end of output rectifier and filter (1.5), the output terminal of output rectifier and filter (1.5) is the output terminal of this stabilized voltage supply, exports 12V direct current; Control circuit (2) comprising: clock oscillator (2.1), pwm circuit (2.2), driving circuit (2.3) and protection circuit (2.4); Wherein: pwm circuit (2.2) is connected with clock oscillator (2.1) and protection circuit (2.4) respectively, the output terminal of pwm circuit (2.2) is connected with the inverter circuit (1.4) in main circuit (1) by driving circuit (2.3).
2. pour point tester cooling device according to claim 1, it is characterized in that: described fluid system also comprises: cooling pump (8), chilled water tank (9) and cooling valve (10), wherein: the water inlet of cooling pump (8) is connected with chilled water tank (9), water delivering orifice is connected with the water delivering orifice of heat dissipation pump (2) by cooling valve (10); Cooling pump (8) for injecting the chilled water of chilled water tank (9) in fluid system, with replenishment cycles water.
3. pour point tester cooling device according to claim 1, is characterized in that: described fluid system also comprises: waist valve (11) and waste liquid tank (12); Wherein: waist valve (11) is gating valve, its water inlet is connected with the water delivering orifice of heat dissipation pump (2), two water delivering orifices one are connected with the water inlet of pour point tester (13), and another is connected with waste liquid tank (11); Waist valve (11) is for by among discharge of wastewater unnecessary in fluid system to waste liquid tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504208.1A CN105136840A (en) | 2015-08-17 | 2015-08-17 | Pour point tester cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504208.1A CN105136840A (en) | 2015-08-17 | 2015-08-17 | Pour point tester cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105136840A true CN105136840A (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510504208.1A Pending CN105136840A (en) | 2015-08-17 | 2015-08-17 | Pour point tester cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700586A (en) * | 2016-01-27 | 2016-06-22 | 董冬 | An electrical equipment heat radiation apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04238258A (en) * | 1991-01-21 | 1992-08-26 | Nikkiso Co Ltd | Freezing point drop measuring method and freezing point drop measuring device |
| CN201610783U (en) * | 2009-12-31 | 2010-10-20 | 王来立 | Electrical control cooling system of engine |
| CN202138214U (en) * | 2010-11-16 | 2012-02-08 | 天津一汽丰田汽车有限公司 | Cooling circulation system of electrocar |
| CN103742434A (en) * | 2014-01-17 | 2014-04-23 | 雪龙集团股份有限公司 | Energy consumption measuring and analyzing test stand and energy consumption measuring and analyzing method for engine cooling fan |
| CN104135171A (en) * | 2013-05-03 | 2014-11-05 | 杨淞 | Switch power supply system |
-
2015
- 2015-08-17 CN CN201510504208.1A patent/CN105136840A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04238258A (en) * | 1991-01-21 | 1992-08-26 | Nikkiso Co Ltd | Freezing point drop measuring method and freezing point drop measuring device |
| CN201610783U (en) * | 2009-12-31 | 2010-10-20 | 王来立 | Electrical control cooling system of engine |
| CN202138214U (en) * | 2010-11-16 | 2012-02-08 | 天津一汽丰田汽车有限公司 | Cooling circulation system of electrocar |
| CN104135171A (en) * | 2013-05-03 | 2014-11-05 | 杨淞 | Switch power supply system |
| CN103742434A (en) * | 2014-01-17 | 2014-04-23 | 雪龙集团股份有限公司 | Energy consumption measuring and analyzing test stand and energy consumption measuring and analyzing method for engine cooling fan |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700586A (en) * | 2016-01-27 | 2016-06-22 | 董冬 | An electrical equipment heat radiation apparatus |
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Application publication date: 20151209 |
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