CN209432400U - Simple automobile air conditioning exhausting temperature uniformity, wind quantity test equipment - Google Patents
Simple automobile air conditioning exhausting temperature uniformity, wind quantity test equipment Download PDFInfo
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- CN209432400U CN209432400U CN201920410382.3U CN201920410382U CN209432400U CN 209432400 U CN209432400 U CN 209432400U CN 201920410382 U CN201920410382 U CN 201920410382U CN 209432400 U CN209432400 U CN 209432400U
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Abstract
The utility model belongs to air conditioning for automobiles testing equipment field, is related to a kind of simple automobile air conditioning exhausting temperature uniformity, wind quantity test equipment.The equipment includes refrigeration supply air system, heating system and the control system controlled each section；Wherein refrigeration supply air system and heating system replace the equipment such as existing compressor, condenser, engine, hot gas, cold air and different wind pressure are provided for tested air-conditioning box, influence of the analog vehicle under the different speeds of service to air-conditioning air inlet, whether the uniformity and heater cores of each air outlet temperature of testing air conditioner system, the air quantity of evaporator core blowout and temperature meet the requirements of the standard.Equipment composition is simple, and test process is easier to control, and test result is more accurate, is the primary innovation of air conditioning for automobiles linear test equipment.
Description
Technical field
The utility model belongs to air conditioning for automobiles testing equipment field, and in particular to a kind of simple automobile air conditioning exhausting temperature
Uniformity, wind quantity test equipment.
Background technique
The working principle of air conditioning for automobiles are as follows: when heating, the medium inside radiator is heated by automobile engine, then
When medium passes through heater cores, air-conditioning blows out hot gas；It, will be in air-conditioning duct by devices such as compressor and condensers when refrigeration
Refrigerant cooling, when then low-temperature refrigerant passes through evaporator core, air-conditioning blows out cold air.
In order to detect air-conditioning system air door in different opening, vehicle in different wind pressure (the i.e. simulating vehicle difference speed of service
To air-conditioning air inlet influence) in the case of each air outlet temperature of air-conditioning system uniformity and heater cores, evaporator core blow
Whether air quantity out, temperature meet the requirements of the standard, and need to borrow to dedicated test equipment.
The leaving air temp uniformity of present air conditioning for automobiles, wind quantity test need to build an enthalpy according to QC T 657-2000
The problems such as poor performance test room is tested, and it is huge that there are equipment investments, and functions of the equipments service efficiency is low.
And other simple racks cannot achieve such as Chang'an, Ford, Mazda, lucky automobile test specification the inside to electricity
Pressure, electric current, warm wind uninterrupted, refrigerating capacity are adjusted, zeroing blower voltage is adjusted, the acquisition and regulatory function of temperature collecting module
It is required that.
In view of this, needing to manufacture a kind of test equipment, which can be in no automobile engine and refrigeration air-supply system
In the case where system, refrigeration and heating are provided for air conditioning for automobiles, while analog goes out the wind pressure of automobile in the process of running, and energy
The heating load, refrigerating capacity and import air quantity of simulation are adjusted at any time, realize automobile air conditioner air outlet temperature uniformity test equipment oneself
Dynamicization acquisition, the various functions such as test automobile air conditioner air outlet amount ability, makes up defect present in existing test equipment.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of simple automobile air conditioning exhausting temperature uniformities, wind
Test equipment is measured, to meet requirement of the testing standard to equipment.
In order to achieve the above objectives, the utility model provides the following technical solutions:
A kind of simple automobile air conditioning exhausting temperature uniformity, wind quantity test equipment, including refrigeration supply air system, heating system
System and the control system that each section is controlled；
Refrigeration supply air system includes wind-tunnel, plenum chamber, zeroing blower, evaporator and refrigeration equipment, and wherein wind-tunnel goes out
Air port is connected by air hose with the air inlet of plenum chamber, and zeroing blower and evaporator are arranged at wind turbine apparatus and evaporator position
In the air inlet side of wind-tunnel, the arrival end of evaporator passes through the outlet of chilled water water inlet pipe with the refrigeration equipment being located at outside wind-tunnel
End is connected, and the outlet end of evaporator is connected by chilled water outlet pipe with the arrival end of refrigeration equipment；
Heating system includes the corresponding hot water inlet pipe and hot water effluent being connected with heater cores in tested air-conditioning box
Pipe；
Control system includes PLC system, temperature collecting module, leaving air temp sensor, differential pressure pick-up, hot water flow control
Measuring appliance and chilled-water flow processed control measuring appliance；Wherein temperature collecting module is arranged at the air outlet of tested air-conditioning box
And it is connected with PLC system, measures and transmits the temperature at tested air-conditioning box air outlet to PLC system；Leaving air temp sensing
Device is arranged in plenum chamber, is connected with leaving air temp collector and passes through leaving air temp collector and transmits outlet air to PLC system
The data of temperature sensor measurement；Two input terminals of differential pressure pick-up are respectively and in the air outlet of wind-tunnel and tested air-conditioning box
Blower outlet is connected, and output end is connected with differential pressure collector, transmits differential pressure pick-up to PLC system by differential pressure collector
The pressure difference measured；Hot water flow control measuring appliance is correspondingly arranged at hot water inlet pipe and above and with PLC system is connected, chilled-water flow
Control measuring appliance be correspondingly arranged on chilled water water inlet pipe and be connected with PLC system, PLC system also with adjustable power of direct current and
Zeroing blower is correspondingly connected with.
Further, control system further includes being independently arranged at the external atmospheric pressure meter for being used to measure atmospheric pressure.
Further, plenum chamber is connected by static pressure transducer conduit with differential pressure pick-up.
Further, adjustable power of direct current is connected with air blower in zeroing blower and tested air-conditioning box.
Further, air hose has several groups and each group caliber is different, the air inlet of the air outlet and plenum chamber of air hose and wind-tunnel
It is detachably connected between mouthful.
Further, the external high temperature slot of the other end of hot water inlet pipe and hot water outlet pipe.
The utility model has the beneficial effects that:
1, the test equipment simplifies equipment composition, realizes voltage, electric current, warm wind uninterrupted, system during test
The integrated controls such as cold regulation, zeroing blower voltage adjusting, temperature, while the air output test of air-conditioning can be carried out.Be for
The primary innovation of air conditioning for automobiles linear test equipment.
2, using Data Integration and modularization management, show all test datas on display station together, it can be more intuitive
Contrast the relationship of test parameter and test value, to pick out useful parameter value, test process is allowed to be easier to control, try
It tests that result is more accurate, is of great importance to the linear raising with the prioritization scheme of air quantity of vehicle air conditioner temperature.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book is achieved and obtained.
Detailed description of the invention
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be preferably described in detail, in which:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is construction of wind tunnel schematic diagram；
Fig. 3 is control logic figure.
Appended drawing reference: wind-tunnel -1, plenum chamber -2, zeroing blower -3, evaporator -4, air hose -5, chilled water water inlet
Manage -6, chilled water outlet pipe -7, hot water inlet pipe -8, hot water outlet pipe -9, high temperature slot -10, PLC system -11, temperature
Acquisition module -12, leaving air temp sensor -13, hot water flow control measuring appliance -15, chilled-water flow control measuring appliance -
16, leaving air temp collector -17, differential pressure collector -18, adjustable power of direct current -19, static pressure transducer conduit -21.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that institute in following embodiment
The diagram of offer only illustrates the basic conception of the utility model in a schematic way, in the absence of conflict, following embodiment and
Feature in embodiment can be combined with each other.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of utility model；In order to better illustrate the utility model embodiment, the certain components of attached drawing have omission, amplification or contracting
It is small, do not represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may in attached drawing
Omission will be understood by.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In novel description, it is to be understood that if having the instructions such as term " on ", "lower", "left", "right", "front", "rear" orientation or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
The terms describing the positional relationship in the drawings are only for illustration for this, should not be understood as limiting the present invention, for
For those skilled in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
FIG. 1 to FIG. 3 is please referred to, is a kind of simple automobile air conditioning exhausting temperature uniformity, wind quantity test equipment, including system
Cold supply air system, heating system and the control system that each section is controlled；The refrigeration supply air system takes with heating system
For equipment such as existing compressor, condenser, engines, hot gas, cold air and different wind pressure, mould are provided for tested air-conditioning box
Influence of the quasi- vehicle under the different speeds of service to air-conditioning air inlet, the uniformity of each air outlet temperature of testing air conditioner system, with
And whether the air quantity and temperature of the blowout of heater cores, evaporator core meet the requirements of the standard.
Specifically, refrigeration supply air system includes wind-tunnel 1, plenum chamber 2, return to zero blower 3, evaporator 4 and refrigeration equipment,
In, the air outlet of wind-tunnel 1 is connected by air hose 5 with the air inlet of plenum chamber 2, and zeroing blower 3 and evaporator 4 are arranged at wind
1 inside of hole and evaporator 4 are located at the air inlet side of wind-tunnel 1, and the arrival end of evaporator 4 passes through chilled water water inlet pipe 6 and is located at
The outlet end of refrigeration equipment outside wind-tunnel 1 is connected, and the outlet end of evaporator 4 is entered by chilled water outlet pipe 7 and refrigeration equipment
Mouth end is connected.
In the refrigeration supply air system, the external refrigeration equipment of evaporator 4 in wind-tunnel 1 is set, chilled water water inlet pipe 6 is passed through
Chilled water after refrigerating device refrigeration is sent into evaporator 4, in this way, wind enters from wind-tunnel air inlet (i.e. wind-tunnel entrance), stream
Through the adjusting that wind turbine apparatus inlet air temperature can be realized when evaporator.(static pressure) zeroing blower 3 positioned at 4 rear of evaporator is used for
Wind turbine apparatus wind speed and wind pressure are adjusted, to simulate the intake for entering air-conditioning.The arrival end of plenum chamber 2 passes through air hose 5 and wind
The air outlet (i.e. wind-tunnel outlet) in hole 1 is connected, and the air outlet of plenum chamber 2 is connected with tested air-conditioning box air inlet, into quilt
After the air quantity of survey air-conditioning box, temperature are conditioned in wind-tunnel, sent by plenum chamber 2 to tested air-conditioning box.Chilled water herein
Outlet pipe, chilled water water inlet pipe correspondence are connected with evaporator 4 and refrigeration equipment, are formed into a loop, and correspond to tested air-conditioning box
Evaporator core provide cold water source and recycling cold water source.
The heating system is directly made of hot water inlet pipe 8, hot water outlet pipe 9 and high temperature slot 10；Wherein hot water is intake
The correspondence of pipe 8 is connected with the arrival end of heater cores in tested air-conditioning box, provides hot water to be tested the heater cores of air-conditioning box
Source；The correspondence of hot water outlet pipe 9 is connected with the outlet end of heater cores in tested air-conditioning box, recycles tested air-conditioning box warm wind core
Hot water in body；Hot water inlet pipe 8 and the external high temperature slot 10 of hot water outlet pipe 9, forming circuit.
Freezing, supply air system is corresponding with heating system to be controlled by control system, and control system receives and feedback control signal,
The parameters such as the heating load, refrigerating capacity and import air quantity of simulation are adjusted at any time, realize the automatic collection of test result.
Specifically, control system includes PLC system 11, temperature collecting module 12, leaving air temp sensor 13, differential pressure sensing
Device, hot water flow control measuring appliance 15 and chilled-water flow control measuring appliance 16；Wherein temperature collecting module 12 is arranged in quilt
It is connected at the air outlet of testing air conditioner case and with PLC system 11, measure and transmits tested air-conditioning box outlet air to PLC system 11
Temperature at mouthful；Leaving air temp sensor 13 is arranged in plenum chamber 2, is connected with leaving air temp collector 17 and passes through outlet air
Temperature sampler 17 transmits the data that leaving air temp sensor 13 measures to PLC system 11；Two input terminals of differential pressure pick-up point
It is not connected with blower outlet in the air outlet of wind-tunnel and tested air-conditioning box, output end is connected with differential pressure collector 18,
The pressure difference that differential pressure pick-up measures is transmitted to PLC system 11 by differential pressure collector 18；It is corresponding that hot water flow controls measuring appliance 15
Be arranged and be connected on hot water inlet pipe 8 and with PLC system 11, chilled-water flow control measuring appliance 16 be correspondingly arranged at chilled water into
It is connected on water pipe 6 and with PLC system 11, PLC system 11 is also correspondingly connected with adjustable power of direct current 19 and zeroing blower 3.
In the control system, temperature collecting module 12 is used to measure the temperature of tested air-conditioning box air outlet, and will measure
The temperature be transferred to PLC system 11, while in PLC system 11 record, show.Leaving air temp sensor 13 is then corresponding to be surveyed
The temperature (being also 2 air outlet temperature of plenum chamber) of amount, acquisition wind-tunnel air outlet, and the temperature measured is transmitted to leaving air temp
Collector 17；The measurement data of leaving air temp sensor 13 is then collected, shown to leaving air temp collector 17, and the data are transmitted
To PLC system 11.Differential pressure pick-up is the instrument for measuring pressure difference between wind-tunnel outlet and tested air-conditioning box blower export,
The output that result can measure, determine zeroing blower 3 is measured by this；Differential pressure collector 18 is corresponding to be collected, shows differential pressure pick-up
The data of measurement, and pass it to PLC system 11.In adjustable power of direct current 19 and zeroing blower 3 and tested air-conditioning box
Air blower is connected, for being controlled simultaneously by PLC system 11 to zeroing blower 3 and tested air-conditioning box air blower output voltage, electric current
Output result is adjusted.Hot water flow control measuring appliance 15 be measurement, control external hot water flow device (such as:
KROHNE K450C product), for adjusting the flow into tested air-conditioning box heater cores.Chilled-water flow controls measuring appliance
16 be measurement, the device (such as: KROHNE K450C product) for controlling external chilled-water flow, enters wind-tunnel evaporator for adjusting
Flow.
Further include being independently arranged at external for measuring the atmospheric pressure meter of atmospheric pressure in the control system, is convenient for and survey
The tested air-conditioning box outlet pressure obtained compares.
As advanced optimizing for above scheme, plenum chamber 2 can pass through static pressure transducer conduit 21 and differential pressure pick-up phase
Even, guidance 2 pressure of plenum chamber is to differential pressure pick-up, the dynamic pressure being further reduced in refrigeration supply air system.
As advanced optimizing for above scheme, air hose 5 has several groups and each group caliber is different, and air hose 5 goes out with wind-tunnel
It is detachably connected between the air inlet of air port and plenum chamber.By replacing the air hose 5 of different tube diameters, reach the mesh for adjusting ventilation quantity
's.
The control logic of the test equipment is as follows:
1, start, initial parameter is set；
2, PLC system starts zeroing blower according to initial parameter；
3, return to zero Fan Regulation wind turbine apparatus wind speed, wind pressure, and differential pressure pick-up measures pressure difference, and PLC system is according to pressure difference tune
Section zeroing blower passes through static pressure acquisition control channel to PLC system feedback signal when static pressure pressure reaches setting value；
4, when needing to provide cold air, after static pressure pressure reaches setting value, leaving air temp sensor detects leaving air temp,
PLC system adjusts the open degree of chilled-water flow control measuring appliance according to the temperature measured, and leaving air temp leads to after reaching setting value
It crosses leaving air temp and controls acquisition channel to PLC system feedback signal；
5, when needing to provide hot gas, PLC system directly adjusts the open degree of hot water flow control measuring appliance, reaches setting stream
When amount, by flow collection control channel to PLC system feedback signal.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the scope of the claims of the utility model.
Claims (6)
1. a kind of simple automobile air conditioning exhausting temperature uniformity, wind quantity test equipment, it is characterised in that: including refrigeration air-supply system
System, heating system and the control system that each section is controlled；
Refrigeration supply air system includes wind-tunnel, plenum chamber, return to zero blower, evaporator and refrigeration equipment, wherein the air outlet of wind-tunnel
It is connected by air hose with the air inlet of plenum chamber, zeroing blower is arranged at wind turbine apparatus with evaporator and evaporator is located at wind
The air inlet side in hole, the outlet end phase that the arrival end of evaporator passes through chilled water water inlet pipe and the refrigeration equipment being located at outside wind-tunnel
Even, the outlet end of evaporator is connected by chilled water outlet pipe with the arrival end of refrigeration equipment；
Heating system includes the corresponding hot water inlet pipe and hot water outlet pipe being connected with heater cores in tested air-conditioning box；
Control system includes PLC system, temperature collecting module, leaving air temp sensor, differential pressure pick-up, hot water flow control survey
Measuring device and chilled-water flow control measuring appliance；Wherein temperature collecting module be arranged at the air outlet of tested air-conditioning box and with
PLC system is connected, and measures and transmits the temperature at tested air-conditioning box air outlet to PLC system；Leaving air temp sensor is set
It sets in plenum chamber, is connected with leaving air temp collector and passes through leaving air temp collector and transmit leaving air temp to PLC system
The data of sensor measurement；Two input terminals of differential pressure pick-up respectively with air blast in the air outlet of wind-tunnel and tested air-conditioning box
Machine air outlet is connected, and output end is connected with differential pressure collector, transmits differential pressure pick-up to PLC system by differential pressure collector and measures
Pressure difference；Hot water flow control measuring appliance is correspondingly arranged at hot water inlet pipe and above and with PLC system is connected, chilled-water flow control
Measuring appliance is correspondingly arranged on chilled water water inlet pipe and is connected with PLC system, PLC system also with adjustable power of direct current and zeroing
Blower is correspondingly connected with.
2. simple automobile air conditioning exhausting temperature uniformity according to claim 1, wind quantity test equipment, feature exist
In: control system further includes being independently arranged at the external atmospheric pressure meter for being used to measure atmospheric pressure.
3. simple automobile air conditioning exhausting temperature uniformity according to claim 1, wind quantity test equipment, feature exist
In: plenum chamber is connected by static pressure transducer conduit with differential pressure pick-up.
4. simple automobile air conditioning exhausting temperature uniformity according to claim 1, wind quantity test equipment, feature exist
In: adjustable power of direct current is connected with air blower in zeroing blower and tested air-conditioning box.
5. simple automobile air conditioning exhausting temperature uniformity according to claim 1, wind quantity test equipment, feature exist
In: air hose has several groups and each group caliber is different, detachably connects between the air inlet of the air outlet and plenum chamber of air hose and wind-tunnel
It connects.
6. simple automobile air conditioning exhausting temperature uniformity according to claim 1, wind quantity test equipment, feature exist
In: the external high temperature slot of the other end of hot water inlet pipe and hot water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920410382.3U CN209432400U (en) | 2019-03-28 | 2019-03-28 | Simple automobile air conditioning exhausting temperature uniformity, wind quantity test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920410382.3U CN209432400U (en) | 2019-03-28 | 2019-03-28 | Simple automobile air conditioning exhausting temperature uniformity, wind quantity test equipment |
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| Publication Number | Publication Date |
|---|---|
| CN209432400U true CN209432400U (en) | 2019-09-24 |
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ID=67978871
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920410382.3U Active CN209432400U (en) | 2019-03-28 | 2019-03-28 | Simple automobile air conditioning exhausting temperature uniformity, wind quantity test equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813522A (en) * | 2019-03-28 | 2019-05-28 | 南方英特空调有限公司 | Simple automobile air conditioning exhausting temperature uniformity, wind quantity test equipment |
| CN114199322A (en) * | 2021-11-26 | 2022-03-18 | 重庆长安汽车股份有限公司 | Method for testing air volume of vehicle blower |
-
2019
- 2019-03-28 CN CN201920410382.3U patent/CN209432400U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813522A (en) * | 2019-03-28 | 2019-05-28 | 南方英特空调有限公司 | Simple automobile air conditioning exhausting temperature uniformity, wind quantity test equipment |
| CN109813522B (en) * | 2019-03-28 | 2024-03-12 | 南方英特空调有限公司 | Simple and easy type vehicle air conditioner air-out temperature homogeneity and amount of wind test equipment |
| CN114199322A (en) * | 2021-11-26 | 2022-03-18 | 重庆长安汽车股份有限公司 | Method for testing air volume of vehicle blower |
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