Thermal extremes environmental test shelter
Technical field
The present invention relates to a kind of environmental test equipment, be specifically related to a kind of thermal extremes environmental test shelter, be used for thermal extremes environmental test miniature diesel genset, mute generator group.
Background technology
Genset is widely used in the independent current source of specific uses such as departments such as telecommunications, financial and monetary sector, hospital, school, commerce, industrial and mining enterprises.A series of tests to be carried out after the genset manufacturing finishes, wherein most importantly comprehensive performance test will be under the environment of thermal extremes, carried out exactly.At present, in the genset manufacturing, Shang Weijian has the environmental test chamber of standard under the extreme high ambient conditions of simulation (70 ℃), to carry out comprehensive performance test to a whole set of genset and mute type unit.
Summary of the invention
The objective of the invention is in order to overcome the deficiency of prior art; A kind of thermal extremes environmental test shelter is provided; It can 70 ℃ of simulated environment temperature and following each grade temperature, and miniature diesel genset, mute generator group are carried out the test of various electric properties under the thermal extremes environmental baseline.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of thermal extremes environmental test shelter comprises a packaging type casing, fuel heater, electrical control cubicles, ducting system, hot air circulating system and control system.Wherein:
Said casing is divided into operation room, middle compartment and test cabinet through left and right dividing plate from left to right successively;
Said electrical control cubicles and said fuel heater are installed in the said operation room;
Compartment mixes and the heat transferred center as gas in said;
An air draught road air inlet is offered at two, upper end of said left clapboard respectively, and an inner room air channel air inlet is offered in the upper end on the said right clapboard, and interlayer air inlet in is offered at the middle part;
Unit to be measured is installed in the said test cabinet, and a test cabinet air inlet is offered on the top of the forward and backward side of this test cabinet respectively, and the blower fan that is equipped with frequency converter is installed in this test cabinet air inlet; Also offer a test cabinet window shutter on the leading flank of said test cabinet;
Said ducting system comprises:
Two air draught roads, this two air draughts road is located in the said operation room, and an end in this two air draughts road and said air draught road air inlet join, and the other end in this two air draughts road and the air inlet of said fuel heater join;
Two hot-flow flues, the air inlet of this two hot-flow flue and the hot-blast outlet of said fuel heater join, and this hot-flow flue passes said middle compartment and communicates with said test cabinet;
One inner room air channel, this inner room air channel is positioned at the top of said test cabinet, and an end in this inner room air channel and said inner room air channel air inlet join, and the other end is positioned at said test cabinet, and the air-flow of said middle compartment and test cabinet is communicated;
Said hot air circulating system comprises:
Add the circulation of hot-air; Said fuel heater sucks the air in the said middle compartment automatically through said air draught road; This air carries out heat interchange and forms the heating air in said fuel heater, this adds hot-air discharges through the hot-blast outlet of said fuel heater, gets into said test cabinet through said hot-flow flue again; Said test cabinet and said unit to be measured are heated, and then arrive said middle compartment through interlayer air inlet in said;
The hot-fluid circulation of unit to be measured; The inner cooling fan of said unit to be measured sucks the air in the said test cabinet; The heat that in operational process, self produces through said unit to be measured becomes the unit hot-fluid; This unit hot-fluid is discharged from the exhaust outlet of said unit to be measured, arrives said middle compartment through interlayer air inlet in said, gets into said inner room air channel again and arrives said test cabinet;
Providing and automatic thermal balance of fresh air; The fresh air that comes from said test cabinet air inlet gets into said test cabinet, and this fresh air mixes according to the condition that said electrical control cubicles provides with said hot-air and the said unit hot-fluid of adding in said test cabinet automatically;
Said control system comprises sensor, signal picker, CPU, opertaing device, IO interface and operating equipment, and said CPU comprises CPU, data conversion storage module, data processing module and function modular converter; Said operating equipment comprises man-machine interface or telecommunication; Said sensor is connected with said signal picker through data bus; Said signal picker is connected with said CPU through data bus; Said CPU is connected with said data conversion storage module, data processing module and function modular converter respectively through data bus; Said function modular converter is connected with said opertaing device through data bus, and said IO interface is connected with said operating equipment with said CPU through data bus respectively;
Correlated condition signal in said man-machine interface or telecommunication input setting; These correlated condition signals are delivered to said CPU through said IO interface; Said CPU sends data sampling signal to said signal picker; Said signal picker is collected the live signal that said sensor sends and is back to said CPU; Said CPU carries out these live signals data operation and carries out unloading through said data conversion storage module through said data processing module, converts some control signals to and passes to said opertaing device through said function modular converter again, gives operating equipment through said IO interface move instruction more at last.
Above-mentioned thermal extremes environmental test shelter, wherein, the correlated condition signal of said man-machine interface or telecommunication input comprises temperature signal, moisture signal and air pressure signal; The live signal that said sensor sends comprises normal voltage signal, normalized current signal, frequency signal, thermocouple signal and thermal resistance signal; Said opertaing device comprises frequency-variable controller, flow controller, temperature compensator, the compatible device of instrument, digital corrector, position formula regulator, balance conditioning device; Said operating equipment also comprises automatic quantity regulating device for air, automatic louver angular adjustment apparatus, alarm output device, data link and printing equipment.
Above-mentioned thermal extremes environmental test shelter, wherein, said fuel heater comprises motor, oil pump, combustion-supporting fan, atomizer, petroleum pipeline, main chamber, glow plug, firing chamber and heat radiator.
Above-mentioned thermal extremes environmental test shelter, wherein, said two air draught roads vertically are arranged on the forward and backward side in the said operation room; Said two hot-flow flues run transverse through said middle compartment and lay respectively at the forward and backward side in bottom in the said test cabinet.
Above-mentioned thermal extremes environmental test shelter, wherein, the trailing flank of said operation room is provided with an air inlet and a window shutter, and the leading flank of said operation room is provided with a fan operation room door.
Above-mentioned thermal extremes environmental test shelter wherein, is also installed a fuel reserve tank in the said operation room, said fuel heater and said fuel reserve tank are installed on the fixed mount.
Above-mentioned thermal extremes environmental test shelter wherein, is offered a fan test cabinet door on the right side of said test cabinet, be respectively equipped with a view window on the leading flank of this test cabinet door and said test cabinet.
Above-mentioned thermal extremes environmental test shelter; Wherein, The below of said fuel heater also is provided with a smoke exhaust pipe; The inlet scoop of this smoke exhaust pipe connects said fuel heater, and the exhaust opening of this smoke exhaust pipe passes the trailing flank of said operation room, so that the waste gas of said fuel heater burning is discharged said test shelter.
The technical scheme of thermal extremes environmental test shelter of the present invention; Adopt the form of TEU (Twenty-foot Equivalent Unit); Built-inly heat, device such as temperature control, insulation; Can 70 ℃ of simulated environment temperature and following each grade temperature, miniature diesel genset, mute generator group are carried out the test of various electric properties under the thermal extremes environmental baseline.Simultaneously, the appearance structure of the TEU (Twenty-foot Equivalent Unit) of this test shelter can be realized fast moving and park use in the open, is very easy to user's use.
Description of drawings
Fig. 1 is the structural representation of thermal extremes environmental test shelter of the present invention;
Fig. 2 is that A-A among Fig. 1 is to cut-open view;
Fig. 3 is that B-B among Fig. 1 is to cut-open view;
Fig. 4 is that C-C among Fig. 1 is to cut-open view;
Fig. 5 is that D-D among Fig. 2 is to cut-open view;
Fig. 6 is the gas circulation synoptic diagram of thermal extremes environmental test shelter of the present invention when heating;
Fig. 7 is the control system structured flowchart of thermal extremes environmental test shelter of the present invention.
Embodiment
Below through embodiment particularly and combine accompanying drawing that technical scheme of the present invention is described:
See also Fig. 1 to Fig. 5, a kind of thermal extremes environmental test shelter of the present invention comprises a packaging type casing 100, fuel heater 12, electrical control cubicles 8, ducting system, hot air circulating system and control system.
Casing 100 is a container-type, has saved expense and the land seizure of building testing laboratory, can realize fast moving and park use in the open, is very easy to user's use; Casing 1 is divided into operation room 10, middle compartment 17 and test cabinet 15 through left and right dividing plate 31,32 from left to right successively.Also be covered with heat-insulation layer on the inwall of casing 100, heat-insulation layer has the intensity height for the foaming of hard polyurethane fat adds a spot of super glass wool and rock wool, and heat insulating ability has characteristics such as good.
Electrical control cubicles 8 and fuel heater 12 are installed in the operation room 10, a fuel reserve tank 11 also is installed, fuel heater 12 is installed on the fixed mount 24 with fuel reserve tank 11.The trailing flank of operation room 10 is provided with an air inlet 1 and a window shutter 9, and the leading flank of operation room 10 is provided with a fan operation room door 16.
The below of fuel heater 12 also is provided with a smoke exhaust pipe 22, and the inlet scoop 23 of this smoke exhaust pipe 22 connects fuel heater 12, and the exhaust opening 7 of this smoke exhaust pipe 22 passes the trailing flank of operation room 10, so that the waste gas of fuel heater 12 burnings is discharged the test shelter.
Middle compartment 17 mixes and the heat transferred center as gas.An air draught road air inlet is offered at two, upper end of left clapboard 31 respectively, and an inner room air channel air inlet is offered in the upper end on the right clapboard 32, and the middle interlayer air inlet 5 of scalable size is offered at the middle part.
Unit 4 to be measured is installed in the test cabinet 15; A test cabinet air inlet 3 is offered on the top of the forward and backward side of this test cabinet 15 respectively; The blower fan that is equipped with frequency converter is installed in this test cabinet air inlet 3; Can according to the actual temp situation in the test cabinet 15, regulate the rotating speed of blower fan according to the parameter of electrical control cubicles 6 settings.Also offer a test cabinet window shutter 18 and a view window 19 on the leading flank of test cabinet 9; Offer a fan test cabinet door 26 on the right side of test cabinet 15, also be provided with a view window 25 on this test cabinet door 26.The housing of view window 19 and view window 25 adopts aluminium plastic material, double-layer explosion-proof glass, makes things convenient for the Test condition of unit equipment in the observation test chamber 15, and the external form overall appearance is generous.
Ducting system comprises two air draught roads 20, two hot-flow flues 14 and an inner room air channel 2.
Two air draught roads 20 vertically are arranged on the forward and backward side in the operation room 10, and the upper end in this two air draughts road 20 and air draught road air inlet join, and the air inlet of lower end and fuel heater 12 joins.
The hot-blast outlet 6 of the air inlet of two hot-flow flues 14 and fuel heater 12 joins, and compartment 17 communicated with test cabinet 15 during this hot-flow flue 14 ran transverse through.
Inner room air channel 2 is positioned at the top of test cabinet 15, and an end in this inner room air channel 2 and inner room air channel air inlet join, and the other end is positioned at test cabinet 15, and the air-flow of compartment 17 and test cabinet 15 communicates in making.
This shelter adopts the air in the fuel heater 12 heating test cabinets 15, utilizes inner circulating fan to make the room air Automatic Cycle.To keep all even stable of test cabinet 15 interior temperature.
Fuel heater 12 mainly is made up of motor, oil pump, combustion-supporting fan, atomizer, petroleum pipeline, main chamber, glow plug, firing chamber, heat radiator etc.; Motor drives oil pump, combustion-supporting fan and atomizer rotate.The fuel oil that oil pump sucks is delivered to atomizer through petroleum pipeline, and mix in main chamber with combustion-supporting fan inhaled air the atomizing back, is lighted by red-hot glow plug; Fully burning through the heat radiator of inwall, is passed to cold air with heat in the firing chamber; Heated gas is under the effect of pump; In whole ducting system, circulate, reach the effect of heating, burnt gas is discharged shelter from the exhaust opening 7 of smoke exhaust pipe 22.
See also Fig. 6 again, hot air circulating system comprises the hot-fluid circulation of the circulation that adds hot-air, unit to be measured and providing and automatic thermal balance of fresh air.
The circulation that adds hot-air is: the air during fuel heater 12 sucks through air draught road 20 automatically in the compartment 17; This air carries out heat interchange and forms heating air 200 in fuel heater 12; This adds hot-air 200 and discharges through the hot-blast outlet of fuel heater 12; Get into test cabinet 15 through hot-flow flue 14 again, test cabinet 15 and unit 4 to be measured are heated, and then through compartment 17 in middle interlayer air inlet 5 arrival.
The hot-fluid circulation of unit to be measured is: unit 4 inner cooling fans to be measured suck the air in the test cabinet 15; The heat that in operational process, self produces through unit 4 to be measured becomes unit hot-fluid 300; This unit hot-fluid 300 is discharged from the exhaust outlet of unit 4 to be measured; Through compartment 17 in middle interlayer air inlet 5 arrival, get into inner room air channel 2 again and arrive test cabinets 15;
Provide and the automatic thermal balance of fresh air are: the fresh air 400 that comes from test cabinet air inlet 3 gets into test cabinets 15, this fresh air 400 in test cabinet 15 with add hot-air 200 and unit hot-fluid 300 mixes according to the condition that electrical control cubicles 8 provides automatically.
See also Fig. 7 again, control system comprises sensor 51, signal picker 52, CPU 50, opertaing device 53, IO interface 54 and operating equipment 55.CPU 50 comprises CPU500, data conversion storage module 501, data processing module 502 and function modular converter 503; Operating equipment 53 comprises man-machine interface 531, telecommunication 532, automatic quantity regulating device for air 533, automatic louver angular adjustment apparatus 534, alarm output device 535, data link 536 and printing equipment 537; Opertaing device 55 comprises frequency-variable controller 551, flow controller 552, temperature compensator 553, the compatible device 554 of instrument, digital corrector 555, position formula regulator 556 and balance conditioning device 557.
Sensor 51 is connected with signal picker 52 through data bus 61; Signal picker 52 is through being connected with CPU500; CPU500 is through being connected with data conversion storage module 501, data processing module 502 and function modular converter 503 respectively; Function modular converter 503 is connected with opertaing device 53 through data bus 62, and IO interface 54 is connected with operating equipment 55 with CPU500 through data bus 63 respectively.
Through the correlated condition signal that man-machine interface 531 or telecommunication 532 inputs are set, these correlated condition signals are delivered to CPU500 through IO interface 54, and these correlated condition signals comprise temperature signal, moisture signal and air pressure signal; CPU500 sends data sampling signal to signal picker 52; The live signal that signal picker 52 collecting sensors 51 send also is back to CPU500, and the live signal that sensor 51 sends comprises normal voltage signal, normalized current signal, frequency signal, thermocouple signal and thermal resistance signal; CPU500 carries out these live signals data operation and carries out unloading through data conversion storage module 501 through data processing module 502; Convert some control signals to and pass to opertaing device 53 through function modular converter 403 again, give operating equipment 55 through IO interface 54 move instructions more at last.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the present invention; And be not to be used as qualification of the present invention; As long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.