CN206420667U - Heating equipment heat dispersion test synthesis experimental system - Google Patents
Heating equipment heat dispersion test synthesis experimental system Download PDFInfo
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- CN206420667U CN206420667U CN201720097815.5U CN201720097815U CN206420667U CN 206420667 U CN206420667 U CN 206420667U CN 201720097815 U CN201720097815 U CN 201720097815U CN 206420667 U CN206420667 U CN 206420667U
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Abstract
The utility model provides a kind of heating equipment heat dispersion test synthesis experimental system, including：Cell is tested, it, which includes being formed in internal layer wall, internal layer wall, is provided with outer layer wall outside test environment cabin, internal layer wall, internal layer wall forms air regulation chamber between the walls with outer layer, and test environment cabin is used to insert heating end equipment to be tested；Hot-water supply device, its output section is connected with the water inlet end for the end equipment that heats, and its input unit is connected with the water side for the end equipment that heats, to provide heat medium water for heating end equipment；Air cooling control system, it includes air adjustment unit, and air adjustment unit input is connected with air regulation bottom of chamber portion；And monitor control system, monitor control system is including cabin temperature sensor, inlet temperature sensor, outlet temperature sensor, flow detector and controls circuit.The beneficial effects of the utility model：Heat-exchange performance for the heating end equipment of evaluation test heating equipment provides experimental data.
Description
Technical field
The utility model is related to experimental system, and in particular to a kind of heating equipment heat dispersion test synthesis experimental system.
Background technology
In the prior art, heating end equipment is provided with heating equipment, the heating end equipment is heating agent water coil
Etc. form, heating equipment is that the heating end equipment supplies heat medium water, and heat medium water carries out heat exchange with air, added air with realizing
Heat.The end equipment heat dispersion that heated in heat exchanging process in order to ensure heat medium water and air is higher, therefore in heating end dress
Put is needed to test heating end equipment when waiting before dispatching from the factory, and the import and export to the end equipment that heats are needed in test process
Temperature is tested, and the flow in heating end equipment in the heat medium water unit interval is flowed through in test, is handed in heat transfer process
The thermic load Q changed, thermic load Q can be used in evaluating the exchange capability of heat of heating end equipment, in order to obtain thermic load Q, and it is calculated
Formula is：Q=M*C* (T2-T1), in formula, T2For the temperature (T of the water side for the end equipment that heats2Unit be K), T1For heating
Temperature (the T of the water inlet end of end equipment1Unit be K), C is that (C unit is specific heat capacity), M is heat medium water unit
The quality of heating end equipment is flowed through in time (M unit is kg).In order to obtain flowing through heating end in the heat medium water unit interval
The mass M of end device, according to formula M=ρ * v*s, (in formula, ρ is the density of water；V is the flow velocity of heat medium water；S is the heating flowed through
The area of section of end equipment).In summary, in order to heating end equipment exchange capability of heat evaluate, it is necessary to T2、T1With
And M is tested, but the shortcoming that existing apparatus is present is：
1) in the prior art, the equipment without subtest can be carried out to the index of influence heating end equipment heat dispersion
Experimental test；
2) add, do not consider the shadows such as the change of heating agent water temperature, heat medium water changes in flow rate, heat dissipation environment in the prior art
Ring, and heating agent water temperature change and heat medium water changes in flow rate directly embody be heat end equipment different operating modes, not not
With being measured under operating mode to evaluate the heat dispersion under different operating modes, and the change of heat dissipation environment is directly connected to T2And T1's
Change, therefore cause to evaluate inaccurate to the heat dispersion for the end equipment that heats, add, the measurement of flow typically uses flowmeter
Measurement, and the measurement result of general flowmeter is not accurate enough, further results in the heat dispersion evaluation to the end equipment that heats
It is not accurate enough.
Utility model content
The utility model provides a kind of heating equipment heat dispersion test synthesis experimental system, is that evaluation test heating is set
The heat-exchange performance of standby heating end equipment provides experimental data.
To achieve the above object, the utility model employs following technical scheme：
A kind of heating equipment heat dispersion test synthesis experimental system, including：
Cell is tested, it, which includes being formed in internal layer wall, internal layer wall outside test environment cabin, internal layer wall, is provided with outer layer
Wall, internal layer wall forms air regulation chamber between the walls with outer layer, and test environment cabin is used to insert heating end to be tested
Device；
Hot-water supply device, its output section is connected with the water inlet end for the end equipment that heats, its input unit and heating end dress
The water side put is connected, to provide heat medium water for heating end equipment；
Air cooling control system, it includes air adjustment unit, air adjustment unit input and air regulation bottom of chamber
Portion is connected, and air adjustment unit output end is connected with air regulation top of chamber, will be transferred to air regulation in test environment cabin
The heat of intracavitary is discharged in time；And
Monitor control system, monitor control system includes cabin temperature sensor, inlet temperature sensor, outlet temperature and passed
Sensor, flow detector and control circuit, cabin temperature sensor, inlet temperature sensor, outlet temperature sensor, stream
Amount detecting device is connected with control circuit, and cabin temperature sensor is arranged in test environment cabin, to detect test environment cabin
Interior temperature；Inlet temperature sensor is arranged at the water inlet end of heating end equipment, to detect the water inlet end of heating end equipment
Temperature；Outlet temperature sensor is arranged at the water side of heating end equipment, to detect the water side of heating end equipment
Temperature；Flow detector is arranged on the pipeline of hot-water supply device, and heating end equipment is flowed through in the unit interval to detect
Heat medium water quality；Hot-water supply device air cooling control system is connected with monitor control system, to control air to cool down
Control system is by temperature control in test environment cabin in steady temperature；
Wherein, internal layer wall is made of Heat Conduction Material, and outer layer wall is made of heat-barrier material.
Preferably, hot-water supply device also includes：
Low water level case, its top is provided with the water inlet pipe of connection running water pipe, and its bottom is provided with tapping pipe, water inlet pipe
Set in the second valve that opening and closing tapping pipe is provided with the first valve of opening and closing water inlet pipe, tapping pipe, low water level case and be provided with
Primary heater for once heating water in low water level case；
High water level case, its bottom surface position is higher than low water level case top surface position, be provided with it for secondary plus
The secondary heater of water in hot high water level case；And
Water pump, water feeding of water pump end is connected by the 3rd valve with low water level case, and water pump water outlet end is connected with high water level case；
Wherein, high water level bottom portion is provided with the feed pipe for connecting heating end equipment water inlet end, and feed pipe is heat
It is provided for being opened and closed on the output section of water supply, feed pipe being provided with the top of the 5th valve of feed pipe, low water level case
Liquid back pipe for connecting heating end equipment water side, liquid back pipe is the input unit of hot-water supply device.
Preferably, monitor control system also includes：
Heating agent water temperature sensor, it is arranged in high water level case, to gather coolant-temperature gage in high water level case, secondary heater
With control circuit be connected, using in the case where controlling control of circuit by the heat medium water temperature control in high water level case as assigned temperature.
Preferably, control circuit includes：
First signal processing circuit, its input is connected with cabin temperature sensor, with to the test environment cabin collected
Interior air themperature carries out signal condition, sampling and A/D and is converted to chamber temp data signal；
Secondary signal process circuit, its input is connected with heating agent water temperature sensor, with to the high water level case collected
Interior coolant-temperature gage carries out signal condition, sampling and A/D and is converted to water level case temperature digital signal；
3rd signal processing circuit, its input is connected with inlet temperature sensor, to be filled to the heating end collected
Put coolant-temperature gage progress signal condition, sampling and A/D in entrance point and be converted to inlet temperature data signal；
4th signal processing circuit, its input is connected with outlet temperature sensor, to be filled to the heating end collected
Put coolant-temperature gage progress signal condition, sampling and A/D in the port of export and be converted to outlet temperature data signal；
Controller, the first signal processing circuit, secondary signal process circuit, the 3rd signal processing circuit and the 4th signal
The output end of process circuit is connected to controller；And
Heater drive circuit, controller connects secondary heater by heater drive circuit, with water level case temperature number
Word signal controls the running of secondary heater；
Wherein, controller is also electrically connected with air cooling control system, with according to chamber temp data signal, water level case temperature
Spend the flow control air cooling control system of data signal, inlet temperature data signal, outlet temperature data signal and warm water
The running of system.
Preferably, flow detector includes electronic scale, and electronic scale top surface position is less than high water level bottom face institute
In position, water route switching is arranged in being provided with water route switching mechanism, electronic scale on the path that low water level case is connected in cooler
By mechanism, water route switching mechanism is connected with controller, to cause the backwater through subcooler to flow under the control of the controller
In low water level case or electronic scale；Electronic scale is connected with controller, to obtain the quality of backwater in the unit interval.
Preferably, water route switching mechanism includes：
Adaptor, it is to be provided with division board in cup-like structure, the Storage water tank of adaptor, and Storage water tank is divided into by division board
Separate the first tank and the second tank, the first tank is communicated to low water level case, and electronic scale includes claiming body and positioned at title
The apopore directly over measuring cup is offered on measuring cup on body, the second tank bottom surface；
Funnel, cooler first passage outlet is connected with pipeline, and funnel is located at the lower section of pipe outlet, and funnel be located at every
From above plate；
Guide rod, guide rod is connected across Storage water tank and with adaptor, and guide rod is located above division board, and funnel is slidably
It is connected with guide rod；
Electromagnet, it is arranged on adaptor inwall and positioned at division board side, and electromagnet is electrically connected with the controller；
Permanent magnet, it is arranged at the bottom of funnel and is oppositely arranged with electromagnet；And
Spring, its one end is connected with adaptor inwall, and its other end is connected with funnel；
Wherein, spring is located at funnel close to the side of electromagnet, and when spring is in natural length, hopper outlet and the
One tank is aligned；After electromagnet is powered, electromagnet is attracting with permanent magnet, and hopper outlet is aligned with the second tank.
Preferably, hot-water supply device also includes being provided with first passage and second channel in cooler, cooler, cold
But device is arranged on liquid back pipe, and heating end equipment is communicated to water route switching mechanism by the first passage of cooler, and second leads to
Road one end connects running water pipe, second channel other end connection floor drain, to arrange the heating end equipment flowed into first passage
The backwater gone out is cooled.
Preferably, heating compensation device is provided with the pipeline that air adjustment unit is connected with air regulation chamber, heating is mended
Device is repaid with control circuit to be connected.
Preferably, high water level case includes：
Inner chamber is formed in casing, casing；
Dividing plate, it is stood on the bottom surface of casing, and inner chamber is separated into spill cavity and liquid storage cylinder, the bottom surface of spill cavity by dividing plate
Overflow pipe is communicated with, has distance between the top surface of dividing plate and the top surface of inner chamber, so that between spill cavity and liquid storage cylinder from dividing plate
Fang Liantong；And
Liquid level sensor, it is arranged in liquid storage cylinder, and to detect the liquid level in liquid storage cylinder, liquid level sensor passes through the 5th letter
Number process circuit is connected to controller.
Compared to prior art, the utility model has the advantages that：
1) by setting air regulation chamber, isolating for test environment cabin and outside air, mistake in test environment cabin are strengthened
Heat is timely transmitted to air regulation intracavitary, and air regulation chamber is by outer layer wall and contacting external air, and outside air is only right
Air regulation cavity temperature has influenceed, and then avoids between test environment cabin and outside air heat transfer to test environment cabin
The influence of interior temperature；
2) by setting air cooling control system, realize and in time discharge heat in test environment cabin, and then realize
Accurate control to temperature in test environment cabin；
3) it is to cross heat in test environment cabin to be timely transmitted to air regulation chamber by setting internal layer wall to be Heat Conduction Material
It is interior to provide condition.
4) the heating equipment heat dispersion test synthesis experimental system has stable heating agent water supply, heat dissipating ring
The link block of cabin and reserved a variety of heating equipments is tested in border, and contains accurate flow measurement device, complete fortune
Row monitoring system, embodies the thermal technology's monitoring technology and embodiment of heating equipment heat dispersion test process, can carry out comprehensively
The test analysis of a variety of heating equipment overall performances, can also carry out the process control law study work of typical thermal object,
With larger practical value, while the equipment can be widely used in teaching experiment, oneself set so that scholar can become more apparent upon
The performance of the heating end equipment of meter.
Brief description of the drawings
Fig. 1 is the structural representation of heating equipment heat dispersion test synthesis experimental system；
Fig. 2 is the circuit block diagram of the monitor control system of heating equipment heat dispersion test synthesis experimental system；
Fig. 3 be Fig. 1 in water route switching mechanism split after view；
Fig. 4 is the sectional view of high water level case vertically in Fig. 1.
Embodiment
As shown in figure 1, the present embodiment proposes a kind of heating equipment heat dispersion test synthesis experimental system, including：
Cell 1 is tested, it includes being formed outside test environment cabin 12, internal layer wall 11 in internal layer wall 11, internal layer wall 11
Outer layer wall 13 is provided with, air regulation chamber 14 is formed between internal layer wall 11 and outer layer wall 13, test environment cabin 12 is used for
Insert heating end equipment 6 to be tested；
Hot-water supply device 2, its output section is connected with the water inlet end for the end equipment 6 that heats, its input unit and heating end
The water side of device 6 is connected, to provide heat medium water for heating end equipment 6；
Air cooling control system 3, it includes air adjustment unit 31, the input of air adjustment unit 31 and air regulation
The bottom of chamber 14 is connected, and the output end of air adjustment unit 31 is connected with the top of air regulation chamber 14, will be passed in test environment cabin 12
The heat being handed in air regulation chamber 14 is discharged in time；And
Monitor control system, monitor control system includes cabin temperature sensor, inlet temperature sensor, outlet temperature and passed
Sensor, flow detector and control circuit, cabin temperature sensor, inlet temperature sensor, outlet temperature sensor, stream
Amount detecting device is connected with control circuit, and cabin temperature sensor is arranged in test environment cabin 12, to detect test environment
Temperature in cabin 12；Inlet temperature sensor is arranged at the water inlet end of heating end equipment 6, to detect heating end equipment 6
The temperature of water inlet end；Outlet temperature sensor is arranged at the water side of heating end equipment 6, to detect heating end equipment 6
The temperature of water side；Flow detector is arranged on the pipeline of hot-water supply device 2, and heating is flowed through in the unit interval to detect
The quality of the heat medium water of end equipment 6；The air cooling control system 3 of hot-water supply device 2 is connected with monitor control system, to control
Air cooling control system 3 processed is by temperature control in test environment cabin 12 in steady temperature；
Wherein, internal layer wall 11 is made of Heat Conduction Material, and outer layer wall 13 is made of heat-barrier material.During work, heat
Water supply 2 provides heat medium water for heating end equipment 6 in real time, because heating end equipment 6 is placed in test environment cabin 12,
By heat transfer process, heating end equipment 6 is embodied as test environment by the heat transfer of heat medium water to test environment cabin 12
Heat supply in cabin 12, heating end equipment 6 is the lasting heat supply in test environment cabin 12, and temperature cabin temperature sensor is detected in real time
Temperature in test environment cabin 12, when temperature is 20 DEG C in by test environment cabin 12, because warm end equipment is test environment
Lasting heat supply in cabin 12, at this moment controls circuit just to control air adjustment unit 31 to work, heat passes through in test environment cabin 12
In heat transfer to air regulation chamber 14, air adjustment unit 31 is moved away hot gas by exhausting mode, and causes air adjustment
Temperature in the reduction air regulation of unit 31 chamber 14 so that test environment cabin 12 provides 20 DEG C of environment of thermal comfort requirement, test
The heat dispersion of heating installation is tested under the environmental condition, the cold wind provided by air-conditioner set is followed air regulation chamber 14
Ring, maintains the temperature requirement in test environment cabin 12.And then realize and maintaining in the environment of 20 DEG C, to warm end equipment water inlet end and
The detection of water side temperature, also achieves the detection of the quality of heat medium water to flowing through warm end equipment in the unit interval, so that
The calculating of thermic load is realized, is easy to evaluate the heat exchange property of warm end equipment.
For simple, the easy to use hot-water supply device 2 of design structure, hot-water supply device 2 includes：
Low water level case 22, its top is provided with the water inlet pipe 221 of connection running water pipe, and its bottom is provided with tapping pipe 222,
First valve 223 of opening and closing water inlet pipe 221 is set on water inlet pipe 221, the of opening and closing tapping pipe 222 is provided with tapping pipe 222
The primary heater 225 for once heating water in low water level case 22 is provided with two valves 224, low water level case 22；
High water level case 23, its bottom surface position is higher than the top surface position of low water level case 22, is provided with for two in it
The secondary heater 231 of water in secondary heating high water level case 23；And
Water pump 24, the water inlet end of water pump 24 is connected by the 3rd valve with low water level case 22, the water side of water pump 24 and high water level
Case 23 is connected；
Wherein, the bottom of high water level case 23 is provided with the feed pipe 233 for connecting the heating water inlet end of end equipment 6, feed flow
Pipe 233 is the 5th valve 232 for being provided for being opened and closed feed pipe 233 on the output section of hot-water supply device 2, feed pipe 233, low
The top of water level case 22 is provided with the liquid back pipe 235 for connecting heating end equipment 6 water side, and liquid back pipe 235 supplies for hot water
Answer the input unit of device 2.During work, first, the first valve 223 is opened, running water enters to low water level case 22 from water inlet pipe 221
It is interior；Then, primary heater 225 starts, and the running water in low water level case 22 is heated, and primary heater 225 is by low water
Temperature in the case 22 of position is tentatively heated to needing temperature；After again, the 3rd valve is opened, starts water pump 24, by low water level case 22
Warm water pump 24 enter to high water level case 23；After again, its interior warm water is accurately heated to by secondary heater 231 in high water level case 23
Assigned temperature, in order to reach the demand of heating end equipment 6；Finally, the 5th valve 232, low water level case 22, high water level are opened
Case 23 and heating one linker of formation of end equipment 6, because the bottom surface position of high water level case 23 is higher than low water level case 22
Top surface position, poor using height liquid level, heat medium water can be flow in low water level case 22 from high water level case 23 automatically, by high water level
Bottom portion flows out, and flows through heating end equipment 6 to the next water tank.
In order to control to be that the heat heat medium water of offer of end equipment 6 is different temperature, to realize in different temperatures work
Test heating end equipment 6 under condition, monitor control system also includes：
Heating agent water temperature sensor, it is arranged in high water level case 23, to gather coolant-temperature gage in high water level case 23, and second adds
Hot device 231 with control circuit be connected, using in the case where controlling control of circuit by the heat medium water temperature control in high water level case 23 as finger
Constant temperature degree.
As shown in Fig. 2 in order to realize the collection to each sensor signal and the control to secondary heater 231, control
Circuit includes：
First signal processing circuit, its input is connected with cabin temperature sensor, with to the test environment cabin collected
Air themperature carries out signal condition, sampling and A/D and is converted to chamber temp data signal in 12；
Secondary signal process circuit, its input is connected with heating agent water temperature sensor, with to the high water level case collected
Coolant-temperature gage carries out signal condition, sampling and A/D and is converted to water level case temperature digital signal in 23；
3rd signal processing circuit, its input is connected with inlet temperature sensor, to be filled to the heating end collected
Put coolant-temperature gage progress signal condition, sampling and A/D in 6 entrance points and be converted to inlet temperature data signal；
4th signal processing circuit, its input is connected with outlet temperature sensor, to be filled to the heating end collected
Put coolant-temperature gage progress signal condition, sampling and A/D in 6 ports of export and be converted to outlet temperature data signal；
Controller, the first signal processing circuit, secondary signal process circuit, the 3rd signal processing circuit and the 4th signal
The output end of process circuit is connected to controller；And
Heater drive circuit, controller connects secondary heater 231 by heater drive circuit, with water level case temperature
The running of Digital Signals secondary heater 231；
Wherein, controller is also electrically connected with air cooling control system 3, with according to chamber temp data signal, water level case
Temperature digital signal, inlet temperature data signal, the flow control air cooling control of outlet temperature data signal and warm water
The running of system 3.
In order to improve the measuring accuracy to the flow of warm water in the unit interval, flow detector includes electronic scale 42, electricity
Son claims 42 top surface positions to be less than the bottom surface position of high water level case 23, to ensure when warm water is flowed in electronic scale 42 still
Liquid level difference flowing can be lodged, in cooler in being provided with water route switching mechanism 43, electronic scale on the path that low water level case 22 is connected
42 are arranged at by water route switching mechanism 43, and water route switching mechanism 43 is connected with controller, to cause warp under the control of the controller
The backwater of subcooler is flowed into low water level case 22 or electronic scale 42；Electronic scale 42 is connected with controller, to obtain during unit
The quality of interior backwater, that is to say the quality that heating end-equipment is flowed through in the unit interval.Due to simple flowmeter be by
Pipe section size, rate of flow of fluid are equal to the relation of flow to calculate, therefore with being implemented with certain difference, then by setting
Electronic scale 42 just can overcome the disadvantages that this shortcoming, realizes and the warm water flowed into the unit interval on electronic scale 42 is weighed, Jin Erda
To the purpose measured to warm water, this mode metered flow is more accurate.And the setting of water route switching mechanism 43 is then for cooler
Flow into low water level case 22 or electronic scale 42 provide condition, it is to avoid the heat medium water flowed through in heating end-equipment volatilizees away,
Measurement accuracy when influence is weighed, when needing metered flow, the warm water of outflow is directed to electronic scale 42 by water channel switching structure
It is interior；When needing not metered flow, the warm water of outflow is directed in low water level case 22 by water channel switching structure, water route switching mechanism
43 are accomplished that the switching of pipeline circulation road.
As shown in Figure 1 and Figure 3, for simple, the easy to use water route switching mechanism 43 of design structure, water route switching machine
Structure 43 includes：
Adaptor 431, it is that division board 437 is provided with cup-like structure, the Storage water tank of adaptor 431, and division board 437 will
Storage water tank is divided into separate the first tank 438 and the second tank 439, and the first tank 438 is communicated to low water level case 22, electricity
Son claims 42 to include claiming body 421 and positioned at the measuring cup 422 claimed on body 421, and the second tank 439 is offered positioned at measuring cup on bottom surface
Apopore directly over 422；
Funnel 432, cooler first passage outlet is connected with pipeline, and funnel 432 is located at the lower section of pipe outlet, and funnel
432 are located at the top of division board 437；
Guide rod 433, guide rod 433 is connected across Storage water tank and with adaptor 431, and guide rod 433 is located at division board 437
Top, funnel 432 is slidably connected with guide rod 433；
Electromagnet 434, it is arranged on the inwall of adaptor 431 and positioned at the side of division board 437, electromagnet 434 and control
Device is electrically connected；
Permanent magnet 435, it is arranged at the bottom of funnel 432 and is oppositely arranged with electromagnet 434；And
Spring 436, its one end is connected with the inwall of adaptor 431, and its other end is connected with funnel 432；
Wherein, spring 436 is located at funnel 432 close to the side of electromagnet 434, and when spring 436 is in natural length,
The outlet of funnel 432 is aligned with the first tank 438；After electromagnet 434 is powered, electromagnet 434 and permanent magnet 435 are attracting, funnel
432 outlets are aligned with the second tank 439.When needing not metered flow, electromagnet 434 is in off-position, and spring 436 is in
Normal extended length, now funnel 432 is positioned at the top of the first tank 438, and realization leads the warm water of outflow by the first tank 438
To low water level case 22 so that the system being capable of normal work；When needing metered flow, controller sends unlatching electromagnet
434 signals, electromagnet 434 is received and is powered after signal, and electromagnet 434 produces magnetic and attracted each other with permanent magnet 435, in magnetic
Property active force under so that the funnel 432 in the top of the first tank 438 in situ is moved to the place direction of the second tank 439, spring
436 are compressed, and the warm water of the outlet outflow of final funnel 432 enters in the measuring cup 422 of electronic scale 42, the vector of control funnel 432
Time in cup 422 for warm water is the unit time, and electronic scale 42 is weighed to warm water in measuring cup 422, and then is realized to unit
The flow that warm water is flowed through in time is measured, and reaches the purpose of metered flow；When needing not metered flow again, electromagnet
434 disconnect, and electromagnet 434 is in off-position, mutual attractive force is lost between permanent magnet 435 and electromagnet 434, in spring
436 are automatically replied under power effect so that funnel 432 is moved to the direction of the first tank 438, finally causes funnel 432 to be located at first
The top of tank 438, realizes the warm water of outflow being directed to low water level case 22 by the first tank 438 so that the system again can
Enough normal works.
Hot-water supply device 2 also includes being provided with first passage and second channel, cooler in cooler 25, cooler 25
25 are arranged on liquid back pipe 235, and heating end equipment 6 is communicated to water route switching mechanism 43 by the first passage of cooler 25,
Second channel one end connects running water pipe, second channel other end connection floor drain, with to the heating end flowed into first passage
The backwater that device 6 is discharged is cooled.
Due to the too low air temperature that air adjustment unit 31 is inputted in the possible unit interval, it is therefore desirable to by air adjustment
The temperature that unit 31 is exported brings up to assigned temperature, is provided with the pipeline that air adjustment unit 31 is connected with air regulation chamber 14
Heating compensation device 39, obtains hotter cold air, heating compensation device 39 somewhat to be heated to the cold air that air adjustment unit 31 is exported
It is connected with control circuit.
In order to only by controlling the aperture of the 5th valve 232 with regard to that can control to flow through heating end equipment 6 in the unit interval
Quality, high water level case includes：
Inner chamber is formed in casing 236, casing 236；
Dividing plate 237, it is stood on the bottom surface of casing 236, and inner chamber is separated into spill cavity 238 and liquid storage cylinder by dividing plate 237
239, the bottom surface of spill cavity 238 is communicated with overflow pipe, has distance between the top surface of dividing plate 237 and the top surface of inner chamber, so that overflow
Connected between chamber 238 and liquid storage cylinder 239 from the top of dividing plate 237；And
Liquid level sensor 230, it is arranged in liquid storage cylinder 239, to detect the liquid level in liquid storage cylinder 239, liquid level sensor
230 are connected to controller by the 5th signal processing circuit.Liquid storage cylinder 239 can just so be detected by liquid level sensor 230
Interior heat medium water height, being intended to of heat medium water reaches that height is equal with the height of dividing plate 237, when heating agent dilutional hyponatremia, heat medium water from
It is dynamic to be entered by the top of dividing plate 237 in spill cavity 238, and then discharged from overflow pipe；When heat medium water is very few, level sensing
It is too low that device detects heating agent water level, and controller control water pump 24 is worked, and liquid storage cylinder 239 is stretched to by pump line in water pump 24
Interior, the end that pump line is stretched into liquid storage cylinder 239 is provided with injector head, make it that heat medium water is well mixed in liquid storage cylinder 239, it is ensured that
Temperature everywhere is consistent.This ensure that heat medium water high consistency in liquid storage cylinder 239, it is ensured that in high water level case 23 heat medium water with
The poor uniformity of the liquid level of heat medium water in low water level case 22, therefore the uniformity of pressure is ensure that, heat medium water is in heating end equipment 6
The speed of circulation is equal always, due to flowing through the mass M of heating end equipment 6 in the heat medium water unit interval, according to formula M=ρ *
V*s, in the case where ρ and v is constant always, by adjusting the aperture of the 5th valve 232, also just changes s size, realizes
Flowed through in different matchmaker's water unit interval heating end equipment 6 mass M operating conditions, and M control after it is equal with predetermined value, with
It is easy to good control M size.(it is appreciated of course that：When just being worked in the case of having overflow in liquid storage cylinder 239, just not
Liquid level sensor need to be set, and the pump of the next water tank to upper water tank is always on, unnecessary water is back to the next water from spill cavity
Case, this ensures that the water level of the height of dividing plate 237.)
For heating agent water supply, ensure the pressure difference one of high water level case and low water level case using constant position height water level
It is fixed, it is easy to adjust the flow for flowing through heating end equipment in the unit interval by adjusting the aperture of the 5th valve；Pass through control
Primary heater and secondary heater part working time, realize the accurate adjustment to supply water temperature；It is constant by building temperature
Test environment cabin, using interlayer air-supply cooling coordinate electrical heating combination by the way of stable environment temperature, and set heating compensation
Device, realize make-up air regulation unit confess with test environment cabin need cold wind, it is to avoid because air adjustment unit confess it is colder
Cold wind and cause test environment cabin temperature be less than assigned temperature；Grasped using flowmeter monitoring heating agent water supply flow
Working conditions change, constant heat dissipating ring is determined while measuring heating agent water-carrying capacity using Weighing method and combining the equipment under test import and export temperature difference
Heat dissipation capacity under border, and then it is easy to control heating end equipment to be operated under different operating modes, while improving real time measure not
With the precision of the flow under operating mode；Change tested heating end equipment by gathering heating agent water temperature flow and supply water temperature change
Operating mode；Using centralized monitor control system, the concentrated collection and heat for reflecting operating condition relevant parameter in experimentation are realized
Matchmaker's water temperature, the coordination control of environment cabin temperature, the full year analysis of tested heating installation.Heating equipment described in the utility model
There are heat dispersion test synthesis experimental system stable heating agent water supply, test environment room and reserved a variety of heating to set
Standby link block, and accurate flow measurement device, complete operation monitoring system are contained, heating equipment is embodied comprehensively
The thermal technology's monitoring technology and embodiment of heat dispersion test process.The test point of a variety of heating equipment overall performances can be carried out
Analysis, can also carry out the process control law study work of typical thermal object.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (9)
1. a kind of heating equipment heat dispersion test synthesis experimental system, it is characterised in that including：
Cell is tested, it, which includes being formed in internal layer wall, internal layer wall outside test environment cabin, internal layer wall, is provided with outer layer wall
Wall, internal layer wall forms air regulation chamber between the walls with outer layer, and test environment cabin is used to insert heating end dress to be tested
Put；
Hot-water supply device, its output section is connected with the water inlet end for the end equipment that heats, its input unit and heating end equipment
Water side is connected, to provide heat medium water for heating end equipment；
Air cooling control system, it includes air adjustment unit, and air adjustment unit input connects with air regulation bottom of chamber portion
Logical, air adjustment unit output end is connected with air regulation top of chamber, will be transferred to air regulation intracavitary in test environment cabin
Heat discharge in time；And
Monitor control system, monitor control system includes cabin temperature sensor, inlet temperature sensor, outlet temperature sensing
Device, flow detector and control circuit, cabin temperature sensor, inlet temperature sensor, outlet temperature sensor, flow
Detection means is connected with control circuit, and cabin temperature sensor is arranged in test environment cabin, to detect in test environment cabin
Temperature；Inlet temperature sensor is arranged at the water inlet end of heating end equipment, to detect the water inlet end of heating end equipment
Temperature；Outlet temperature sensor is arranged at the water side of heating end equipment, with the temperature for the water side for detecting heating end equipment
Degree；Flow detector is arranged on the pipeline of hot-water supply device, and heating end equipment is flowed through in the unit interval to detect
The quality of heat medium water；Hot-water supply device air cooling control system is connected with monitor control system, to control air cooling control
System processed is by temperature control in test environment cabin in steady temperature；
Wherein, internal layer wall is made of Heat Conduction Material, and outer layer wall is made of heat-barrier material.
2. heating equipment heat dispersion test synthesis experimental system according to claim 1, it is characterised in that hot water is supplied
Device also includes：
Low water level case, its top is provided with the water inlet pipe of connection running water pipe, and its bottom is provided with tapping pipe, water inlet pipe and set
Being opened and closed to be provided with the second valve for being provided with opening and closing tapping pipe on the first valve of water inlet pipe, tapping pipe, low water level case is used for
Once heat the primary heater of water in low water level case；
High water level case, its bottom surface position is higher than low water level case top surface position, is provided with it high for reheating
The secondary heater of water in water level case；And
Water pump, water feeding of water pump end is connected by the 3rd valve with low water level case, and water pump water outlet end is connected with high water level case；
Wherein, high water level bottom portion is provided with the feed pipe for connecting heating end equipment water inlet end, and feed pipe supplies for hot water
Answering to be provided with the top of the 5th valve for being provided for being opened and closed feed pipe on the output section of device, feed pipe, low water level case is used for
The liquid back pipe of connection heating end equipment water side, liquid back pipe is the input unit of hot-water supply device.
3. heating equipment heat dispersion test synthesis experimental system according to claim 2, it is characterised in that monitoring and controlling
System also includes：
Heating agent water temperature sensor, it is arranged in high water level case, to gather coolant-temperature gage in high water level case, secondary heater and control
Circuit processed be connected, using in the case where controlling control of circuit by the heat medium water temperature control in high water level case as assigned temperature.
4. heating equipment heat dispersion test synthesis experimental system according to claim 3, it is characterised in that control circuit
Including：
First signal processing circuit, its input is connected with cabin temperature sensor, with to empty in the test environment cabin collected
Temperature degree carries out signal condition, sampling and A/D and is converted to chamber temp data signal；
Secondary signal process circuit, its input is connected with heating agent water temperature sensor, with to water in the high water level case collected
Temperature carries out signal condition, sampling and A/D and is converted to water level case temperature digital signal；
3rd signal processing circuit, its input is connected with inlet temperature sensor, to enter to the heating end equipment collected
Coolant-temperature gage carries out signal condition, sampling and A/D and is converted to inlet temperature data signal in mouth end；
4th signal processing circuit, its input is connected with outlet temperature sensor, to go out to the heating end equipment collected
Coolant-temperature gage carries out signal condition, sampling and A/D and is converted to outlet temperature data signal in mouth end；
Controller, the first signal processing circuit, secondary signal process circuit, the 3rd signal processing circuit and the 4th signal transacting
The output end of circuit is connected to controller；And
Heater drive circuit, controller connects secondary heater by heater drive circuit, is believed with water level case temperature digital
Number control secondary heater running；
Wherein, controller is also electrically connected with air cooling control system, with according to chamber temp data signal, water level case temperature number
Word signal, inlet temperature data signal, the flow control air cooling control system of outlet temperature data signal and warm water
Running.
5. heating equipment heat dispersion test synthesis experimental system according to claim 4, it is characterised in that flow detection
Device includes electronic scale, and electronic scale top surface position is less than high water level bottom face position, in cooler in low water level case
Water route switching mechanism is provided with the path of connection, electronic scale is arranged at by the switching mechanism of water route, water route switching mechanism and control
Device is connected, to cause the backwater through subcooler to flow into low water level case or electronic scale under the control of the controller；Electronic scale
It is connected with controller, to obtain the quality of backwater in the unit interval.
6. heating equipment heat dispersion test synthesis experimental system according to claim 5, it is characterised in that water route switches
Mechanism includes：
Adaptor, it is to be provided with division board in cup-like structure, the Storage water tank of adaptor, and Storage water tank is divided into mutually by division board
Independent the first tank and the second tank, the first tank is communicated to low water level case, and electronic scale includes claiming body and on title body
Measuring cup, the apopore directly over measuring cup is offered on the second tank bottom surface；
Funnel, cooler first passage outlet is connected with pipeline, and funnel is located at the lower section of pipe outlet, and funnel is located at division board
Top；
Guide rod, guide rod is connected across Storage water tank and with adaptor, and guide rod is located above division board, and funnel is slidably with leading
Connected to bar；
Electromagnet, it is arranged on adaptor inwall and positioned at division board side, and electromagnet is electrically connected with the controller；
Permanent magnet, it is arranged at the bottom of funnel and is oppositely arranged with electromagnet；And
Spring, its one end is connected with adaptor inwall, and its other end is connected with funnel；
Wherein, spring is located at funnel close to the side of electromagnet, and when spring is in natural length, hopper outlet and the first water
Groove is aligned；After electromagnet is powered, electromagnet is attracting with permanent magnet, and hopper outlet is aligned with the second tank.
7. heating equipment heat dispersion test synthesis experimental system according to claim 6, it is characterised in that hot water is supplied
Device also includes being provided with first passage and second channel in cooler, cooler, and cooler is arranged on liquid back pipe, heating end
End device is communicated to water route switching mechanism by the first passage of cooler, and second channel one end connects running water pipe, and second leads to
Road other end connection floor drain, to cool to the backwater that the heating end equipment flowed into first passage is discharged.
8. according to any described heating equipment heat dispersion test synthesis experimental system of claim 2 to 7, it is characterised in that
Heating compensation device, heating compensation device and control circuit phase are provided with the pipeline that air adjustment unit is connected with air regulation chamber
Even.
9. heating equipment heat dispersion test synthesis experimental system according to claim 8, it is characterised in that high water level case
Including：
Inner chamber is formed in casing, casing；
Dividing plate, it is stood on the bottom surface of casing, and inner chamber is separated into spill cavity and liquid storage cylinder, the bottom surface connection of spill cavity by dividing plate
There is overflow pipe, have distance between the top surface of dividing plate and the top surface of inner chamber, so as to connect between spill cavity and liquid storage cylinder above dividing plate
It is logical；And
Liquid level sensor, it is arranged in liquid storage cylinder, to detect the liquid level in liquid storage cylinder, liquid level sensor by the 5th signal at
Reason circuit is connected to controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720097815.5U CN206420667U (en) | 2017-01-24 | 2017-01-24 | Heating equipment heat dispersion test synthesis experimental system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720097815.5U CN206420667U (en) | 2017-01-24 | 2017-01-24 | Heating equipment heat dispersion test synthesis experimental system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596163A (en) * | 2017-01-24 | 2017-04-26 | 天津城建大学 | Integrated experimental system for testing heat dissipation performance of heating equipment |
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2017
- 2017-01-24 CN CN201720097815.5U patent/CN206420667U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596163A (en) * | 2017-01-24 | 2017-04-26 | 天津城建大学 | Integrated experimental system for testing heat dissipation performance of heating equipment |
| CN106596163B (en) * | 2017-01-24 | 2023-06-02 | 天津城建大学 | Comprehensive experiment system for testing heat radiation performance of heating equipment |
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