CN204212845U - Engine water constant temperature device - Google Patents
Engine water constant temperature device Download PDFInfo
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- CN204212845U CN204212845U CN201420629797.7U CN201420629797U CN204212845U CN 204212845 U CN204212845 U CN 204212845U CN 201420629797 U CN201420629797 U CN 201420629797U CN 204212845 U CN204212845 U CN 204212845U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 199
- 230000008961 swelling Effects 0.000 claims abstract description 8
- 238000005057 refrigeration Methods 0.000 claims description 11
- 230000001276 controlling effect Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 description 9
- 230000003020 moisturizing effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Control Of Temperature (AREA)
Abstract
The utility model is a kind of engine water constant temperature device, comprise motor, plate type heat exchanger, electric heater, circulating water pump, motor water inlet, engine water outlet, compressed air inlet, outlet valve, engine exhaust exports, exhaust and draining Pneumatic three-way changing valve and bypass valve, it is characterized in that: also comprise swelling water tank, water-feeding valve, water inflow of the engine sensor for measuring temperature, engine temperature controller, engine water temperature control threeway solenoid valve, Self-operated temperature control valve and engine outlet water temperature measuring transducer, described water inflow of the engine sensor for measuring temperature and engine outlet water temperature measuring transducer are connected to water inflow of the engine end and waterexit end, measure and feed back motor, the temperature value of water outlet controls water inflow of the engine or water-exit temperature to engine temperature controller, engine water temperature control threeway solenoid valve connecting engine temperature controller rear end, by controlling the control of cold-hot water proportion realization to engine water temperature.
Description
Technical field
The utility model relates to a kind of device motor closed-type circulating cooling water being carried out to constant temperature regulation and control, particularly discloses a kind of engine water constant temperature device, belongs to control technique field.
Background technique
The heat energy acting that motor relies on fuel combustion to produce, obtains Power output, produces a large amount of used heat simultaneously.If this part used heat discharge in time can not can bring harm to the reliable running of motor.Usually adopt in engine operation process and carry the scheme that fan adds radiator coil tube used heat is discharged, ensure that water temperature is within the scope of one, does not need strictly to control water temperature.Engine blower take away heat number relevant with engine performance, if want motor ability of doing work to increase, reaching the performance of optimization, is exactly under guarantee engine reliable operating condition, makes the used heat of discharge as far as possible few.So when motor is developed, require that in process of the test, water temperature can control, control accuracy is higher, more accurate to the research of engine performance.
Summary of the invention
The purpose of this utility model solves prior art produced problem, performance and Study on Emission are carried out to motor, design a kind of engine water constant temperature device, accurate control motor water inlet and outlet temperature, control accuracy can reach 0.5 degree, and before engine test, preheating can be carried out to motor, thus to the various performance parameter of motor, as the research of rate of fuel consumption, discharge etc. and improvement provide necessary condition support.
The utility model is achieved in that a kind of engine water constant temperature device, comprises motor, plate type heat exchanger, electric heater, circulating water pump, motor water inlet, engine water outlet, compressed air inlet, outlet valve, engine exhaust exports, exhaust and draining Pneumatic three-way changing valve and bypass valve, is characterized in that: also comprise swelling water tank, water-feeding valve, water inflow of the engine sensor for measuring temperature, engine temperature controller, engine water temperature control threeway solenoid valve, Self-operated temperature control valve and engine outlet water temperature measuring transducer, described water inflow of the engine sensor for measuring temperature and engine outlet water temperature measuring transducer are connected to water inflow of the engine end and waterexit end, measure and feed back motor, the temperature value of water outlet is to engine temperature controller, described engine temperature controller is connected on the circuit between water inflow of the engine sensor for measuring temperature and engine water temperature control threeway solenoid valve, PID controller is adopted to control water inflow of the engine or water-exit temperature, engine water temperature control threeway solenoid valve connecting engine temperature controller rear end, realizes the control to motor water inlet and outlet temperature by the ratio controlling cold water and hot water.The C3900 model PID controller that described PID controller adopts Zhejiang Zhong Kong group to produce.
Described Self-operated temperature control valve is connected on the circuit between external refrigeration water out place and plate type heat exchanger, for automatically according to water temperature height control valve opening, saves outside water output.
Described plate type heat exchanger is connected on the circuit between circulating water pump and engine water temperature control threeway solenoid valve, for cold and hot exchange, automatically carries out temperature adjustment.
Described bypass valve is located on the circuit between motor water inlet and engine water outlet, for the inflow in regulating thermostatic device and pressure.
Described circulating water pump is located on the circuit between the rear end of plate type heat exchanger and electric heater and engine water outlet, for the water circulation in auxiliary control constant temperature device, overcomes the additional drag that constant temperature device brings.
The beneficial effects of the utility model are:
1, accuracy of temperature control is high, system temperature (water inflow of the engine temperature, or water-exit temperature) control accuracy is at ± 0.5 DEG C, no matter be in variable working condition, or at steady state condition, this accuracy of temperature control can reach, and temperature controlling range can set, can set on engine temperature controller, also can by main control computer sets.
2, exhaust valve opening pressure is 50 ± 10KPa, and outlet valve is designed to freely to dismantle from tank top.
3, circulating water pump (i.e. cooling water service pump), with manual tune pressure functional, in assurance device, water route pressure does not affect motor moisturizing pump working, overcome the additional drag that constant temperature device brings, and help motor before start by system warm-up at control temperature point, cooling liquid (i.e. cooling water) can the automatic recovery.
4, carry out fluid infusion (i.e. moisturizing) from the pipeline of device to motor, during fluid infusion, overshoot phenomenon can not occur;
5, electric heater heats automatically to engine cooling water, optional heating power: 9 ~ 36W, engine warm-up time is shortened greatly, motor only needs 2 ~ 5 minutes from cold starting to required control temperature point (as 80 DEG C), and when can make low-powered engine or the work of high power engine low-load, still can be controlled in the temperature of needs.
6, engine water temperature control threeway solenoid valve adopts PID controller to control, and regulates cooling water flow, reaches temperature control index, reach optimal response speed, there will not be hyperharmonic oscillatory occurences.
Accompanying drawing explanation
Fig. 1 is the utility model engine water constant temperature device each parts annexation schematic diagram.
In figure: 1, outlet valve; 2, pressure controlled valve; 3, swelling water tank; 4, water-feeding valve; 5, exhaust and draining Pneumatic three-way changing valve; 6, compressed air inlet; 7, engine exhaust outlet; 8, engine water outlet end valve door; 9, engine water outlet; 10, engine outlet water temperature measuring transducer; 11, motor water inlet; 12, water inflow of the engine and water draining tee changing valve; 13, water inflow of the engine sensor for measuring temperature; 14, engine temperature controller; 15, engine water temperature control threeway solenoid valve; 16, motor moisturizing water pump; 17, motor backwater water box; 18, external refrigeration water inlet; 19, external refrigeration water out; 20, Self-operated temperature control valve; 21, plate type heat exchanger; 22, electric heater; 23, bypass valve; 24: circulating water pump.
Embodiment
With reference to the accompanying drawings, a kind of engine water constant temperature device of the utility model, comprises motor, plate type heat exchanger 21, electric heater 22, circulating water pump 24, motor water inlet 11, engine water outlet 9, compressed air inlet 6, outlet valve 1, engine exhaust outlet 7, exhaust and draining Pneumatic three-way changing valve 5, bypass valve 23, swelling water tank 3, water-feeding valve 4, water inflow of the engine sensor for measuring temperature 13, engine temperature controller 14, engine water temperature control threeway solenoid valve 15, Self-operated temperature control valve 20 and engine outlet water temperature measuring transducer 10.Water inflow of the engine sensor for measuring temperature 13 and engine outlet water temperature measuring transducer 10 are connected to water inflow of the engine end and waterexit end, and the temperature value of measurement and the water-in and water-out of feedback motor is to engine temperature controller 14.Engine temperature controller 14 is connected on the circuit between water inflow of the engine sensor for measuring temperature 13 and engine water temperature control threeway solenoid valve 15, PID controller is adopted to control water inflow of the engine or water-exit temperature, engine water temperature control threeway solenoid valve 15 connecting engine temperature controller 14 rear end, realizes the control to motor water inlet and outlet temperature by the ratio controlling cold water and hot water.The C3900 model PID controller that described PID controller adopts Zhejiang Zhong Kong group to produce.
Self-operated temperature control valve 20 is connected on the circuit between external refrigeration water out 19 place and plate type heat exchanger 21, for automatically according to water temperature height control valve opening, saves outside water output.
Plate type heat exchanger 21 is connected on the circuit between circulating water pump 24 and engine water temperature control threeway solenoid valve 15, for cold and hot exchange, automatically carries out temperature adjustment.
Bypass valve 23 is located on the circuit between motor water inlet 11 and engine water outlet 9, for the inflow in regulating thermostatic device and pressure.
The mounting type of the utility model engine water constant temperature device: external refrigeration water inlet 18 connects the water of the cooling of extraneous supply, be generally open type or enclosed cooling tower supplies the water of coming, when requiring control engine cooling water temperature lower, also can be used for should the water of more low temperature, as chilled water etc.External refrigeration water out 19 connects the return pipe of the water of extraneous cooling, gets back to open type or enclosed cooling tower or low-temperature cold water unit.Motor water inlet 11, for sending and receiving motivation intake pipe, engine water outlet 9, for connecing engine water outlet.Compressed air inlet 6, connects plant area's pressurized air, and engine exhaust outlet 7, connects engine exhaust port, generally at motor peak or at steam outlet pipe peak.
Outlet valve 1 of the present utility model is for the air in automatic removing device, and pressure controlled valve 2 is for the pressure in control system, and when pressure is greater than setting value, outlet valve 1 is automatically opened and discharged certain liquid, and exhaust pressure can set.The space of swelling water tank 3 for expanding after providing to the moisture content in device to be heated.Water-feeding valve 4 is for automatic water supplement in device, and when device middle water level is lower than certain liquid level, water-feeding valve 4 will be opened automatically, from swelling water tank 3, automatically fill into a certain amount of water, ensures to be unlikely to lack of water in motor.Exhaust and draining Pneumatic three-way changing valve 5, for the conversion of engine exhaust and pressurized air draining, switch to exhaust condition when motor moisturizing, when motor reclaims cooling water, switches to pressurized air air-suction state.Compressed air inlet 6, for accessing pressurized air.Engine exhaust outlet 7 is for engine exhaust.Engine water outlet end valve door 8 for when upper lower stage, shutoff device.Engine water outlet 9 is for engine water outlet.Engine outlet water temperature measuring transducer 10 for measuring engine outlet water temperature, also for the engine outlet water temperature measured value is fed back to engine temperature controller 14.Motor water inlet 11, for sending and receiving motivation intake pipe.Water inflow of the engine and water draining tee changing valve 12, for intaking and the conversion of draining, when motor moisturizing, switch to into water state, when motor reclaims cooling water, switches to hull-borne.Water inflow of the engine sensor for measuring temperature 13 is for feedback control on engine entering water temp.Engine temperature controller 14 adopts PID controller to control water inflow of the engine or water-exit temperature.Engine water temperature control threeway solenoid valve 15, by controlling the ratio of cold water and hot water, finally controls motor water inlet and outlet temperature.Motor moisturizing water pump 16, for when in device during lack of water, carries out moisturizing to device automatically.Motor backwater water box 17, for reclaiming the cooling water in motor.External refrigeration water inlet 18 is for connecing external refrigeration water.External refrigeration water out 19, for connecing external refrigeration water return pipe.Self-operated temperature control valve 20, automatically according to temperature level control valve opening, can save outside water output.Plate type heat exchanger 21, for cold and hot exchange.Electric heater 22, can preheat the water in device.Bypass valve 23, for the inflow in controlling device and pressure.Circulating water pump 24, for the water circulation in sub controlling unit, overcomes the additional drag that device brings.
The utility model motor constant temperature device constant temperature regulation and control working procedure is as follows:
Engine water outlet end valve door 8, water inflow of the engine and water draining tee changing valve 12 switch to normal temperature constant state, circulating water pump 24 is opened, extract the backwater in motor and the supplementing water by bypass valve 23, enter plate type heat exchanger 21, electric heater 22 respectively, cold-hot water proportion is accurately controlled by engine water temperature control threeway solenoid valve 15, the parameter of PID controller sets in engine temperature controller 14, by water inflow of the engine sensor for measuring temperature 13 measuring tempeature value and as feedback quantity, thus reach and accurately control water temperature.Return circulating water pump 24 from an engine water temperature control threeway solenoid valve 15 water part out by electric heater 23 bypass, a part sucks motor water cavity, for cooled engine by engine water pump in addition.
The utility model motor constant temperature device moisturizing working procedure is as follows:
Engine water outlet end valve door 8, water inflow of the engine and water draining tee changing valve 12 switch to normal temperature constant state, and motor small pump 16 is opened, and water-feeding valve 4 is opened, and are carried out the water yield controlling to inject by the liquid level be arranged on swelling water tank 3.
The utility model motor constant temperature device discharge opeing working procedure is as follows:
Engine water outlet end valve door 8, water inflow of the engine and water draining tee changing valve 12 switch to proper drainage state, exhaust and draining Pneumatic three-way changing valve 5 switch to hull-borne, by pressurized air Auto-drainage, after not having water in waste pipe, exhaust and draining Pneumatic three-way changing valve 5 automatically switch to exhaust condition.
Claims (5)
1. an engine water constant temperature device, comprises motor, plate type heat exchanger, electric heater, circulating water pump, motor water inlet, engine water outlet, compressed air inlet, outlet valve, engine exhaust exports, exhaust and draining Pneumatic three-way changing valve and bypass valve, is characterized in that: also comprise swelling water tank, water-feeding valve, water inflow of the engine sensor for measuring temperature, engine temperature controller, engine water temperature control threeway solenoid valve, Self-operated temperature control valve and engine outlet water temperature measuring transducer, described water inflow of the engine sensor for measuring temperature and engine outlet water temperature measuring transducer are connected to water inflow of the engine end and waterexit end, measure and feed back motor, the temperature value of water outlet is to engine temperature controller, described engine temperature controller is connected on the circuit between water inflow of the engine sensor for measuring temperature and engine water temperature control threeway solenoid valve, PID controller is adopted to control water inflow of the engine or water-exit temperature, engine water temperature control threeway solenoid valve connecting engine temperature controller rear end, realizes the control to motor water inlet and outlet temperature by the ratio controlling cold water and hot water.
2. according to the engine water constant temperature device described in claim 1, it is characterized in that: described Self-operated temperature control valve is connected on the circuit between external refrigeration water out place and plate type heat exchanger, for automatically according to water temperature height control valve opening, save outside water output.
3. according to the engine water constant temperature device described in claim 1, it is characterized in that: described plate type heat exchanger is connected on the circuit between circulating water pump and engine water temperature control threeway solenoid valve, for cold and hot exchange, automatically carries out temperature adjustment.
4. according to the engine water constant temperature device described in claim 1, it is characterized in that: described bypass valve is located on the circuit between motor water inlet and engine water outlet, for the inflow in regulating thermostatic device and pressure.
5. according to the engine water constant temperature device described in claim 1, it is characterized in that: described circulating water pump is located on the circuit between the rear end of plate type heat exchanger and electric heater and engine water outlet, for the water circulation in auxiliary control constant temperature device, overcome the additional drag that constant temperature device brings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420629797.7U CN204212845U (en) | 2014-10-28 | 2014-10-28 | Engine water constant temperature device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420629797.7U CN204212845U (en) | 2014-10-28 | 2014-10-28 | Engine water constant temperature device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204212845U true CN204212845U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420629797.7U Expired - Lifetime CN204212845U (en) | 2014-10-28 | 2014-10-28 | Engine water constant temperature device |
Country Status (1)
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| CN (1) | CN204212845U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137907A (en) * | 2015-08-17 | 2015-12-09 | 华晨汽车集团控股有限公司 | Thermostatic water control method for engine testing platform and thermostatic water control device |
| CN108105078A (en) * | 2017-12-31 | 2018-06-01 | 高灵能源投资集团有限公司 | A kind of no sensor chilled water pump |
| CN110673668A (en) * | 2019-08-30 | 2020-01-10 | 广汽乘用车有限公司 | Engine test bench water temperature control system |
| CN111608785A (en) * | 2020-06-30 | 2020-09-01 | 广西玉柴机器股份有限公司 | Starter integrated with water pump and control method |
| CN114526146A (en) * | 2022-02-28 | 2022-05-24 | 东风汽车有限公司东风日产乘用车公司 | Automobile bench engine temperature control system, method, electronic equipment and storage medium |
| CN116044561A (en) * | 2023-01-18 | 2023-05-02 | 重庆赛力斯新能源汽车设计院有限公司 | Automobile heat management system and automobile end control system |
-
2014
- 2014-10-28 CN CN201420629797.7U patent/CN204212845U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137907A (en) * | 2015-08-17 | 2015-12-09 | 华晨汽车集团控股有限公司 | Thermostatic water control method for engine testing platform and thermostatic water control device |
| CN108105078A (en) * | 2017-12-31 | 2018-06-01 | 高灵能源投资集团有限公司 | A kind of no sensor chilled water pump |
| CN110673668A (en) * | 2019-08-30 | 2020-01-10 | 广汽乘用车有限公司 | Engine test bench water temperature control system |
| CN111608785A (en) * | 2020-06-30 | 2020-09-01 | 广西玉柴机器股份有限公司 | Starter integrated with water pump and control method |
| CN114526146A (en) * | 2022-02-28 | 2022-05-24 | 东风汽车有限公司东风日产乘用车公司 | Automobile bench engine temperature control system, method, electronic equipment and storage medium |
| CN116044561A (en) * | 2023-01-18 | 2023-05-02 | 重庆赛力斯新能源汽车设计院有限公司 | Automobile heat management system and automobile end control system |
| CN116044561B (en) * | 2023-01-18 | 2024-06-11 | 重庆赛力斯新能源汽车设计院有限公司 | Automobile heat management system and automobile end control system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |