CN202676459U - Engine air inlet air-conditioning device - Google Patents
Engine air inlet air-conditioning device Download PDFInfo
- Publication number
- CN202676459U CN202676459U CN 201220314108 CN201220314108U CN202676459U CN 202676459 U CN202676459 U CN 202676459U CN 201220314108 CN201220314108 CN 201220314108 CN 201220314108 U CN201220314108 U CN 201220314108U CN 202676459 U CN202676459 U CN 202676459U
- Authority
- CN
- China
- Prior art keywords
- wind
- pressurizer tank
- air
- pressure stabilization
- combined type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model relates to an engine air inlet air-conditioning device which includes a cold water set, combined wind boxes, a circulation wind pipe, a constant temperature and humidity mechanism, a fresh wind filter, a booster fan, pressure stabilization boxes, an adjusting wind valve, and an electric control part. The engine air inlet air-conditioning device is characterized in that the device is provided with two stages of pressure stabilization boxes; the booster fan is connected with a first stage pressure stabilization box via a wind outgoing pipe; two openings of the first stage pressure stabilization box are externally connected with a second stage pressure stabilization box and a backflow wind pipe respectively; the cold water set is connected with at least three combined wind boxes via a cold water pipe. Through the adoption of the first and second stage pressure stabilization box design and the return air pipe design of the first stage pressure stabilization box, the wind supply pressure is constant and stable, the operation consumption is reduced, and the adjustment precision of a temperature-controlled gas is improved. The cooling water centralized supply structure simplifies the system structure, facilitates the maintenance, and reduces the investment cost, and can produce the cooling water with the temperature of seven DEG C and control the pressure easily.
Description
Technical field
The utility model relates to the engine charge air-conditioning, especially a kind ofly off-gauge air-suction state can be adjusted to the standard air-suction state or the user specifies air-suction state, to satisfy the engine charge aircondition of engine test conditional request.
Background technology
In the car engine rack test, the engine charge air-conditioning mainly be with off-gauge air-suction state be adjusted to the standard air-suction state (standard atmospheric pressure, 25 the degree, 50%--60%RH) or the user specify air-suction state, to satisfy the requirement of engine test condition, guarantee consistance, the reproducibility of engine test inlet air conditions.Carry out the humiture of air processes by the engine charge air-conditioning, send the clean gas of certain pressure, temperature, humidity, gas is through delivering to gas pipeline behind the pressurizer tank, by the intake resistance adjusting air valve air inlet is controlled at the scope of certain pressure again, satisfies the test needs of engine.
Existing engine charge air-conditioning only is provided with the one-level pressurizer tank, and the gas storage amount is little, the fluctuation that engine charge easily produces temperature with the difference of air inflow demand under the Under Different Work Condition of Engine, and it is constant stable to cause supply gas pressure to guarantee; The air inlet air conditioning of producer all adopts the version that carries compressor in every combined type bellows mostly, and every produces 7 degree chilled water certainly for refrigeration, and not only complex structure and production cost are high.
Summary of the invention
The utility model is for overcoming the deficiencies in the prior art, and a kind of improved engine charge aircondition is provided.
The technical scheme that the utility model is taked is: a kind of engine charge aircondition, comprise handpiece Water Chilling Units, the combined type bellows, the circulation airduct, constant temperature and humidity mechanism, new wind filter, booster fan, pressurizer tank, adjusting air valve and electrical control division are grouped into, handpiece Water Chilling Units provides chilled water to the combined type bellows, the combined type bellows are by new wind filter, constant temperature and humidity mechanism and circulation airduct are processed constant temperature and humidity gas, and by booster fan, pressurizer tank, adjusting air valve, the circulation airduct consists of the circulation passage of recirculating air, it is characterized in that it is provided with the two-stage pressurizer tank, booster fan connects the one-level pressurizer tank by discharge pipe, and two outlets of one-level pressurizer tank are external secondary pressurizer tank and backflow airduct respectively.
Described handpiece Water Chilling Units is connected with at least two above combined type bellows by the chilled water pipeline.
Characteristics of the present utility model and beneficial effect are:
1. adopt large-scale I and II pressurizer tank design, particularly one-level pressurizer tank to design more than the volume by supplying with 16 times of 8 times of air quantity, air input of engine by air, and the external secondary pressurizer tank of one-level pressurizer tank and air return pipeline; The secondary pressurizer tank can be by 3 times, 6 times of Volume designs of air input of engine by air supplying with air quantity, by enough large gas storage, guarantee that not only engine charge does not produce the fluctuation of temperature with the difference of air inflow demand under the Under Different Work Condition of Engine, and guaranteed the constant stable of supply gas pressure.
2. the air return pipeline of one-level pressurizer tank design, so that the gas iterative cycles of required temperature control in the fresh air supply system, has not only reduced the energy consumption of system's operation, and so that the precision of the required adjusting of controlled wet body is very high.
3. adopt centralizedly supply chilled water form, give many combined type bellows supplies 7 degree chilled water by 1 handpiece Water Chilling Units, changed in every combined type bellows of prior art and carried compressor, every from producing the structure present situation of 7 degree chilled water for refrigeration, not only simplified system architecture, make that it is easy to maintenance, cost of investment is little, and 7 degree temperature processed, the easier control of pressure that chilled water is required.
Description of drawings
Fig. 1 is the structural representation of the utility model air-conditioning unit part;
Fig. 2 is the whole structural representation that consists of of the utility model.
Number in the figure represents respectively: 1-combined type bellows, 2-constant temperature and humidity mechanism, 3-booster fan, 4-discharge pipe, 5-one-level pressurizer tank, 6-secondary pressurizer tank, 7-backflow airduct, 8-rubber soft-jointing, the new wind filter of 9-, 10-handpiece Water Chilling Units, 11-cold water water pot, 12-chilled water pipeline.
Embodiment
As shown in Figure 1 and Figure 2, engine charge aircondition of the present utility model comprises that handpiece Water Chilling Units 10, combined type bellows 1, constant temperature and humidity mechanism 2, booster fan 3, pressurizer tank, circulation airduct, new wind filter 9, adjusting air valve and electrical control division are grouped into.It is provided with the two-stage pressurizer tank, and booster fan 3 is connected with combined type bellows 1 by rubber soft-jointing 8, and is connected to one-level pressurizer tank 5 by discharge pipe 4, and two outlets of one-level pressurizer tank 5 are external secondary pressurizer tank 6 and backflow airduct 7 respectively.This routine booster fan 3 is selected the high pressure centrifugal blower fan.
Combined type bellows 1 can be selected market ripe, are comprised of mixed wind section, first effect section, middle effect section, evaporation, heating, humidification, surface cooling section, fan section; The circulation airduct is made of the internal duct of the interior constant temperature and humidity of combined type bellows 1 mechanism 2; New wind filter 9 is located at the new wind air inlet place of combined type bellows 1; Consist of constant temperature and humidity mechanism 2 by electric heater, humidifier, surface cooler etc.; Adjusting air valve comprises the adjusting control valve doors such as the new air-valve that is located in the recirculating air pipeline, flow control valve, pressure-regulating valve; Arrow illustrates the trend of wind among the figure.
The control system of this engine charge aircondition electric control system and control software require to design according to engine rig test fully, match with the air inlet air conditioning unit.The design of package unit is not limited to and only controls temperature, humidity, pressure and other parameters, main is in order to reach the adjustment of automatic correction correction coefficient, namely by adjusting a certain parameter (temperature or pressure) of engine charge, the air-suction state of engine test is controlled at correction factor near 1, revises deviation less than 1%.
Fig. 2 illustrates, and handpiece Water Chilling Units 10 is connected with at least two above combined type bellows 1 by cold water water pot 11 and chilled water pipeline 12, and the concentrated area provides chilled water to each combined type bellows 1.For improving the device reliability of operation, also can adopt the structural shape of the handpiece Water Chilling Units the using and the reserved of 2 parallel connections.
Combined type bellows 1 are processed constant temperature and humidity gas by new wind filter 9, constant temperature and humidity mechanism 2 and circulation airduct, and are made of the circulation passage of recirculating air booster fan 3, two-stage pressurizer tank, adjusting air valve, circulation airduct.
In principle, this device has comprised two inter-related circulation systems:
First circulation system is made of with the constant temperature and humidity mechanism that is comprised of electric heater, humidifier, surface cooler etc. and supporting electric control system combined type bellows, circulation airduct, new air-valve, new wind filter, forms the constant temperature and humidity circulation.Its function is that the external environment air enters the circulation airduct through new wind filter, is treated to constant temperature and humidity gas in the circulation airduct.Generally, gas temperature is set as 22 ℃, and gas humidity is set as 60%RH, and the temperature of gas, humidity are controlled by constant temperature and humidity mechanism.
Second circulation system is graded by adjusting air valve, circulation airduct, two-stage pressurizer tank and respective electric control parts such as booster fan, flow control valve, pressure-regulating valves and is consisted of, and forms the recirculating air circulation.Its function be with the gas in the circulation airduct by supercharging, it is stored and reciprocation cycle in the one-level pressurizer tank to engine with in the constant temperature and humidity circulation.
In the actual motion: get gas at the circulation airduct that produces constant temperature and humidity gas, constant temperature and humidity gas is pressurized to 100KPa through booster fan, then through well heater, be heated to 25 ℃, then enter the I and II pressurizer tank after mixing through one section pipeline, wherein gas is delivered to the tested motivation air entry of issuing after examination and approval in the secondary pressurizer tank, and unnecessary gas is transmitted back in the inlet channel of combined type bellows through the backflow airduct.
Claims (2)
1. engine charge aircondition, comprise handpiece Water Chilling Units, the combined type bellows, the circulation airduct, constant temperature and humidity mechanism, new wind filter, booster fan, pressurizer tank, adjusting air valve and electrical control division are grouped into, handpiece Water Chilling Units provides chilled water to the combined type bellows, the combined type bellows are by new wind filter, constant temperature and humidity mechanism and circulation airduct are processed constant temperature and humidity gas, and by booster fan, pressurizer tank, adjusting air valve, the circulation airduct consists of the circulation passage of recirculating air, it is characterized in that it is provided with the two-stage pressurizer tank, booster fan connects the one-level pressurizer tank by discharge pipe, and two outlets of one-level pressurizer tank are external secondary pressurizer tank and backflow airduct respectively.
2. engine charge aircondition according to claim 1 is characterized in that described handpiece Water Chilling Units is connected with at least two above combined type bellows by the chilled water pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314108 CN202676459U (en) | 2012-06-29 | 2012-06-29 | Engine air inlet air-conditioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314108 CN202676459U (en) | 2012-06-29 | 2012-06-29 | Engine air inlet air-conditioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676459U true CN202676459U (en) | 2013-01-16 |
Family
ID=47497358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220314108 Expired - Fee Related CN202676459U (en) | 2012-06-29 | 2012-06-29 | Engine air inlet air-conditioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225779A (en) * | 2017-11-22 | 2018-06-29 | 中国北方发动机研究所(天津) | A kind of diesel engine standard air inlet air conditioning utilization system |
| CN113639457A (en) * | 2021-08-24 | 2021-11-12 | 江苏蚕丛科技有限公司 | Air inlet air conditioner used in engine test |
-
2012
- 2012-06-29 CN CN 201220314108 patent/CN202676459U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225779A (en) * | 2017-11-22 | 2018-06-29 | 中国北方发动机研究所(天津) | A kind of diesel engine standard air inlet air conditioning utilization system |
| CN108225779B (en) * | 2017-11-22 | 2020-02-07 | 中国北方发动机研究所(天津) | Diesel engine standard air inlet air conditioner comprehensive utilization system |
| CN113639457A (en) * | 2021-08-24 | 2021-11-12 | 江苏蚕丛科技有限公司 | Air inlet air conditioner used in engine test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105607680B (en) | Grain storage Ventilation Control experimental system and its control method | |
| CN204612889U (en) | The adjustable automotive aerodynamics wind-tunnel of a kind of humidity temperature | |
| CN104549577B (en) | A kind of round-the-clock variable working condition offset-type high-low temperature environment simulation test box | |
| CN207599911U (en) | A kind of modularization air-conditioner set | |
| CN112786925B (en) | Heating and humidifying simulation system for hydrogen cavity of fuel cell stack | |
| CN103397793A (en) | Intelligent fermentation leaven room | |
| CN100507561C (en) | Shunting humidifying environmental protecting box | |
| CN105620761A (en) | Temperature and humidity integrated control device of small cabin | |
| CN202676459U (en) | Engine air inlet air-conditioning device | |
| CN103743016A (en) | Evaporative cooling air conditioner capable of regulating temperature and humidity | |
| CN203478478U (en) | Air-conditioning system special for agaricus bisporus industrial cultivation | |
| CN207279847U (en) | A kind of combined air conditioner with Temperature Humidity Sensor | |
| CN204678566U (en) | The energy-saving Evaporative Cooling Air-conditioning System of anti-freeze formula | |
| CN104791933B (en) | The anti-freeze formula Evaporative Cooling Air-conditioning System driven based on photovoltaic | |
| CN203797843U (en) | Evaporative cooling air-conditioner capable of adjusting temperature and humidity | |
| CN207322192U (en) | A kind of edible fungus industrial production humidification system | |
| CN203744447U (en) | Water tower applied to water source heat pump air-conditioner | |
| CN102032625A (en) | Lateral air supply and return treatment cabinet layout of refrigerator safety performance testing room and method thereof | |
| CN201944954U (en) | Layout structure of air supplying and returning air treatment cabinet on side of refrigerator safety performance test chamber | |
| CN204503107U (en) | A kind of round-the-clock variable working condition offset-type high-low temperature environment simulation test box | |
| CN208952553U (en) | A kind of intelligence brick tea drying chamber | |
| CN207035386U (en) | Station environment air-supply composite evaporation cooling air conditioning system for data center | |
| CN203413763U (en) | Micro-processing air-conditioning system | |
| CN203068710U (en) | Indoor air treatment system for plateau building | |
| CN202254206U (en) | Total heat exchanger with humidification function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20180629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |