CN109973198A - A kind of high security motor thermosistor and its working method - Google Patents
A kind of high security motor thermosistor and its working method Download PDFInfo
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- CN109973198A CN109973198A CN201910250110.6A CN201910250110A CN109973198A CN 109973198 A CN109973198 A CN 109973198A CN 201910250110 A CN201910250110 A CN 201910250110A CN 109973198 A CN109973198 A CN 109973198A
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- engine
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- push rod
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000017525 heat dissipation Effects 0.000 claims abstract description 31
- 230000037361 pathway Effects 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 34
- 238000001816 cooling Methods 0.000 claims description 31
- 239000002826 coolant Substances 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 13
- 239000011324 bead Substances 0.000 claims description 7
- 230000014759 maintenance of location Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000002045 lasting effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention discloses a kind of high security motor thermosistor and its working methods, wherein high security motor thermosistor includes main casing, radiator valve, the actuator of control radiator valve opening and closing, the temp.-sensitive controlled valve of exit passageway and setting on the secure channel, exit passageway both ends are connected to feed pathway and heat dissipation channel respectively, and temp.-sensitive controlled valve includes valve body shell, push rod, end cap, guiding shape valve stem valve, the dynamic clamping head and quiet clamping head for closing with movable valve.High security motor thermosistor provided by the present application effectively improves the safety in utilization and travel safety of engine.
Description
Technical field
The present invention relates to engine cooling technical field, in particular to a kind of high security motor thermosistor.The present invention is also
It is related to a kind of working method including above-mentioned high security motor thermosistor.
Background technique
Vehicle is equipped with the heat sources such as engine, and engine temperature must automatically control in a certain range, motor thermosistor
It is a kind of valve for controlling coolant flow paths, it is a kind of automatic temperature-regulator, usually contains the temperature module.When work,
Thermosistor enters the cooling liquid measure of radiator according to the automatic adjustment of the height of coolant temperature, changes the range of DO of coolant liquid,
To adjust the heat-sinking capability of engine-cooling system, guarantee that engine works within the scope of suitable temperature.
Traditional motor thermosistor includes main casing, radiator valve, partial circulating valve and control radiator valve and small
Circulation valve opening and closing actuator, main casing be equipped with feed pathway, heat dissipation channel and partial circulating channel 8, feed pathway into
Liquid end is connected by the outlet end of pipeline and engine, and heat dissipation channel is connect by pipeline with radiator liquid feeding end, and partial circulating is logical
Road 8 is connect by pipeline with engine liquid feeding end, and the outlet end of radiator is connect by pipeline with engine liquid feeding end.Heat dissipation is logical
The liquid feeding end in road be connected to by radiator valve with feed pathway, the liquid feeding end in partial circulating channel 8 pass through partial circulating valve and into
The connection of liquid channel.
Motor thermosistor at work, at engine start initial stage, close, partial circulating valve is opened by radiator valve, guarantees
Engine is rapidly heated, and reduces thermal loss.When engine is raised to ideal temperature (such as 95 DEG C), radiator valve is gradually beaten
It opens, guarantees to keep it in ideal temperature state to the radiating and cooling of engine.
When in the course of work because the damage of motor thermosistor actuator or the reasons such as fault lead to output problem, Wu Fatong
It crosses transmission shaft driving valve ball and opens radiator valve, will lead to engine because cannot effectively radiate, coolant temperature persistently rises
Height results even in engine scuffing failure, so that the reduced service life of engine, also easily causes automobile driving safe to ask
The generation of topic.
Therefore, the safety in utilization for how improving engine is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of high security motor thermosistors, to improve the safety in utilization of engine.This
The another object of invention is to provide a kind of working method of high security motor thermosistor.
To achieve the above object, the present invention provides a kind of high security motor thermosistor, including main casing, radiator valve
And the actuator of the radiator valve opening and closing is controlled, feed pathway and heat dissipation channel are set on the main casing, the heat dissipation is logical
The end in road is connected to by the radiator valve with the feed pathway, further includes that exit passageway and setting are logical in the safety
Temp.-sensitive controlled valve on road, the exit passageway both ends are connected to the feed pathway and the heat dissipation channel respectively, the sense
Temperature control valve includes valve body shell, push rod, end cap, guiding shape valve stem valve, the dynamic clamping head and quiet clamping head for driving the valve to close, institute
The first end for stating dynamic clamping head and quiet clamping head is connected to the first side on the valve with the push rod link position backwards, and the push rod connects
It is connected to the valve side, the bottom end of the push rod is located in the valve housing body, and temperature-sensitive object is filled in the valve housing body
Matter, the temperature-sensitive substance vary with temperature expansion or shrinkage, and to push, the push rod stretches out or retraction, the valve housing body are located at
On the outside of the valve liquid feeding end；
The end cap is equipped with the pilot hole for sliding up and down for the guide rod, the bottom end of the guide rod with it is described
The first side of valve connects, and the dynamic clamping head and quiet clamping head is set on the guide rod, and the end cap is removably connected to described
On the side wall of exit passageway；
When the temp.-sensitive controlled valve temperature sensor is more than safe preset value, the temp.-sensitive controlled valve is opened, the safety
Temperature preset value is higher than the cooling temperature preset value when actuator opens the radiator valve.
Preferably, the temperature-sensitive substance is wax body.
Preferably, the valve body shell includes that material accommodating chamber and the material connecting with material accommodating chamber open end push away
Dynamic chamber, the top of the material accommodating chamber are provided on the bottom wall of the material push chamber, and the push rod includes the body of rod and is arranged
Protective jacket in the body of rod outer end, the protective jacket top are equipped with retention bead, and the material push chamber is located at the material
Between accommodating chamber and the valve, the side wall of the retention bead is connect with the material push chamber side wall slidable sealing, institute
The bottom end for stating push rod is located in the material accommodating chamber.
Preferably, the material accommodating chamber be circular cylindrical cavity, the push rod be cylindrical bar, the push rod center line and
The material accommodating chamber center line is overlapped.
Preferably, the protective jacket is high-temperature-resistant structure.
Preferably, the valve body shell includes sealing against each other the first sleeve and second sleeve being slidably connected, and described first
One end on sleeve far from the second sleeve is sealed cylinder, and one end far from the first sleeve is in the second sleeve
Sealed cylinder, the temperature-sensitive substance are arranged in the sealed cylinder that above-mentioned first sleeve and above-mentioned second sleeve are constituted, and described the
One sleeve or the second sleeve one are connect by the push rod with the valve, and another one is solid relative to the main casing
It is fixed.
Preferably, the exit passageway is provided on the main casing, and the main casing is an integral molding structure.
A kind of working method of high security motor thermosistor is applied to high security motor tune described in any of the above embodiments
Warm device, working method are as follows:
When actuator works normally, at engine start initial stage, water pump starting operation, state at this time, which is that engine is small, to be followed
Ring status, radiator valve are closed, and partial circulating valve is opened, and coolant liquid is flowed through partial circulating channel and flowed back by feed pathway
Engine makes engine be rapidly heated, and reduces thermal loss, and engine temperature rises to cooling temperature preset value, starts at this time
Machine is the temperature under optimum Working；With the lasting rising of engine temperature, it is default that engine temperature reaches cooling temperature
Between value and safe temperature preset value, safe temperature preset value is greater than cooling temperature preset value, enters engine cooling shape at this time
State, radiator valve are gradually opened, and partial circulating valve progressively closes off, and coolant liquid flows through heat dissipation channel by feed pathway, cooling
Liquid is back to engine after radiator is cooling, cools down to engine radiating, the temp.-sensitive controlled valve is in close state at this time；
When actuator or circuit break down, when causing radiator valve that can not open, engine meeting persistently overheating is extremely
Safe temperature preset value, the safe temperature preset value are engine maximum operating temperature, the temperature-sensitive substance of valve body enclosure interior
Melt expansion, push push rod, push rod stress overcomes the elastic force of dynamic clamping head and quiet clamping head that guide rod is pushed to move along pilot hole upwards, at this time
Valve is opened, and coolant liquid flows to heat dissipation channel through exit passageway by liquid through hole from feed pathway, and coolant liquid is through radiator
Cooling after be back to engine, to engine radiating cool down.
In the above-mentioned technical solutions, high security motor thermosistor provided by the invention, including main casing, radiator valve
Door, the actuator of control radiator valve opening and closing, exit passageway and setting temp.-sensitive controlled valve on the secure channel, on main casing
If feed pathway and heat dissipation channel, the end of heat dissipation channel is connected to by radiator valve with feed pathway, exit passageway both ends
It is connected to respectively with feed pathway and heat dissipation channel, temp.-sensitive controlled valve includes valve body shell, push rod, end cap, guiding shape valve stem valve, is used for
With the dynamic clamping head and quiet clamping head that movable valve is closed, the first end of dynamic clamping head and quiet clamping head be connected on valve with push rod link position backwards the
Side, push rod are connected to valve side, and the bottom end of push rod is located in valve housing body, and temperature-sensitive substance, sense are filled in valve housing body
Warm substance varies with temperature expansion or shrinkage, and to push push rod to stretch out or retraction, valve housing body is located on the outside of valve liquid feeding end；End
The pilot hole being equipped with for sliding up and down for guide rod is covered, the bottom end of guide rod and the first side of valve connect, and elasticity is multiple
Position part is arranged on the guide bar, and end cap is removably connected on the side wall of exit passageway；When temp.-sensitive controlled valve temperature sensor is more than
When safe preset value, temp.-sensitive controlled valve is opened, and safe temperature preset value is higher than cooling temperature when actuator opens radiator valve
Spend preset value.
As can be seen from the above description, in high security motor thermosistor provided by the present application, distinguished by setting both ends
The exit passageway being connected to feed pathway and heat dissipation channel, and temp.-sensitive controlled valve is set on the secure channel, temp.-sensitive controlled valve is adopted
With wax formula temperature-sensing element and a series of mechanical assembling structure so that cause when actuator failures radiator valve without
When method is opened, by the dynamically working principle of temp.-sensitive controlled valve, coolant liquid in engine is enable to dissipate by exit passageway inflow
In hot device, heat dissipation circulate operation is carried out, so that engine temperature be made to be reduced to reasonable working temperature, high temperature coolant is avoided to cause
The case where engine scuffing failure, therefore is there is actuator or circuit in high security motor thermosistor provided by the present application
, still can be sensitive effectively in the unlatching closure of certain temperature range internal control cooling duct when failure, effectively extend
The service life of engine, improves the safety in utilization and travel safety of engine.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of high security motor thermosistor provided by the embodiment of the present invention；
Fig. 2 is structural schematic diagram of the high security motor thermosistor shown in Fig. 1 along the direction P-P；
Fig. 3 is the portion the R enlarged drawing of high security motor thermosistor shown in Fig. 2；
Fig. 4 is structural schematic diagram of the high security motor thermosistor shown in Fig. 1 along the direction Q-Q；
Fig. 5 is the outside drawing of high security motor thermosistor provided by the embodiment of the present invention；
Fig. 6 is the work flow diagram of high security motor thermosistor provided by the embodiment of the present invention.
Wherein in Fig. 1-6: 1- main casing, 2- actuator, 3- transmission shaft, 4- exit passageway；
5- temp.-sensitive controlled valve, 51- end cap, 52- dynamic clamping head and quiet clamping head, 53- valve, 54- liquid through hole, 55- protective jacket,
56- temperature-sensitive substance, 57- valve body shell, 58- guide rod, the 59- body of rod；
6- water pump, 7- heat dissipation channel, 8- partial circulating channel, 9- feed pathway, 10- radiator valve, 11- partial circulating valve
Door, 12- engine, 13- radiator.
Specific embodiment
Core of the invention is to provide a kind of high security motor thermosistor, to extend the service life of engine.This hair
Bright another core is to provide a kind of working method of high security motor thermosistor.
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and embodiment party
The present invention is described in further detail for formula.
Fig. 1 to Fig. 6 is please referred to, in a specific embodiment, the high security electricity that the specific embodiment of the invention provides
Machine thermosistor including main casing 1, radiator valve 10, exit passageway 4, controls actuator 2 and set that radiator valve 10 is opened and closed
The temp.-sensitive controlled valve 5 on exit passageway 4 is set, feed pathway 9 and heat dissipation channel 7, the end of heat dissipation channel 7 are set on main casing 1
It is connected to by radiator valve 10 with feed pathway 9,4 both ends of exit passageway are connected to feed pathway 9 and heat dissipation channel 7 respectively.
Temp.-sensitive controlled valve 5 includes valve body shell 57, push rod, end cap 51,58 valve 53 of guide rod, is used for band movable valve 53 pass
The dynamic clamping head and quiet clamping head 52 closed, the first end of dynamic clamping head and quiet clamping head 52 be connected on valve 53 with push rod link position backwards first
Side.In order to extend the service life of temp.-sensitive controlled valve 5, and reduce the manufacturing cost of temp.-sensitive controlled valve 5, it is preferable that dynamic clamping head and quiet clamping head
52 be spring.By the way that dynamic clamping head and quiet clamping head 52 is arranged, when so that temperature-sensitive substance 56 is in colder environment, push rod being capable of smooth return.
Push rod is connected to 53 side of valve, and the bottom end of push rod is located in valve body shell 57, and thoughts are filled in valve body shell 57
Warm substance 56, temperature-sensitive substance 56 vary with temperature expansion or shrinkage, and to push, push rod stretches out or retraction, valve body shell 57 are located at valve
On the outside of 53 liquid feeding ends of door.
End cap 51 is equipped with pilot hole for sliding up and down for guide rod 58, and the of the bottom end of guide rod 58 and valve 53
One side connection, dynamic clamping head and quiet clamping head 52 are set on guide rod 58, and end cap 51 is removably connected on the side wall of exit passageway 4.
By the way that end cap 51 is arranged, it is convenient for staff's integral disassembly, assembly temp.-sensitive controlled valve 5, reduces the maintenance of high security motor thermosistor
Cost extends the service life of high security motor thermosistor, by the way that guide rod 58 is arranged, avoids dynamic clamping head and quiet clamping head 52 curved
Situation improves the service performance of temp.-sensitive controlled valve 5.
When 5 temperature sensor of temp.-sensitive controlled valve is more than safe preset value, temp.-sensitive controlled valve 5 is opened, safe temperature preset value
Cooling temperature preset value when radiator valve 10 is opened higher than actuator 2.
In a kind of concrete scheme, valve body shell 57 includes sealing against each other the first sleeve and second sleeve being slidably connected,
One end in first sleeve far from second sleeve is sealed cylinder, and one end far from first sleeve is sealing drum in second sleeve
Body, temperature-sensitive substance 56 are arranged in the sealed cylinder that first sleeve and second sleeve are constituted, first sleeve or second sleeve one
Connect by push rod with valve 53, another one is fixed relative to main casing 1, when temperature-sensitive substance 56 expands with heat and contract with cold, first set
Cylinder is slided relative to second sleeve, and the first sleeve or second sleeve of sliding drive pushrod movement, and then push rod band movable valve 53
It is mobile, realize that temp.-sensitive controlled valve 5 is opened and closed.
Preferably, valve body shell 57 includes material accommodating chamber and the material push chamber connecting with material accommodating chamber open end,
The top of material accommodating chamber is provided on the bottom wall of material push chamber, and push rod includes the body of rod 59 and is set in the anti-of 59 outer end of the body of rod
Sheath 55 is equipped with retention bead at the top of protective jacket 55, and material push chamber is between material accommodating chamber and valve 53, retention bead
Side wall connect with material push chamber side wall slidable sealing, the bottom end of push rod is located in material accommodating chamber.Due to protective jacket 55
Top is equipped with retention bead, drives pushrod movement when expanding with heat and contract with cold convenient for temperature-sensitive substance 56, due to limiting when valve 53 is closed
The bottom end of protrusion is abutted with the top of material accommodating chamber.
Stablize for the ease of push rod and go up and down, it is preferable that material accommodating chamber is circular cylindrical cavity, and push rod is cylindrical bar, push rod
Center line and material accommodating chamber center line are overlapped.
In order to extend the service life of temp.-sensitive controlled valve 5, it is preferable that protective jacket 55 is high-temperature-resistant structure, avoids protective jacket 55
The higher temperature-sensitive substance 56 of long-time Contact Temperature and the case where damage.
In order to further extend the service life of high security motor thermosistor, it is preferable that further include being connect with actuator 2
Warning device, when actuator 2 damages, warning device alarm, 2 failure of actuator can report error code to driver, remind and drive
Member looks for maintenance station to carry out electric motor actuator 2 as early as possible and repairs.
For the ease of processing and assembling high security motor thermosistor, it is preferable that exit passageway 4 is provided on main casing 1, and
Main casing 1 is an integral molding structure.
Preferably, temperature-sensitive substance 56 is wax body, and the control of actuator 2 control radiator valve 10 and partial circulating valve 11 are opened
Close, main casing 1 is equipped with feed pathway 9, heat dissipation channel 7 and partial circulating channel 8, the liquid feeding end of feed pathway 9 by pipeline with
The outlet end of engine 12 connects, and heat dissipation channel 7 is connect by pipeline with 13 liquid feeding end of radiator, and partial circulating channel 8 passes through pipe
Road is connect with 12 liquid feeding end of engine, and the outlet end of radiator 13 is connect by pipeline with 12 liquid feeding end of engine.Heat dissipation channel 7
Liquid feeding end be connected to feed pathway 9 by radiator valve 10, the liquid feeding end in partial circulating channel 8 pass through partial circulating valve 11 and
Feed pathway 9 is connected to.4 both ends of exit passageway are connected to feed pathway 9 and heat dissipation channel 7 respectively, when temp.-sensitive controlled valve 5 incudes temperature
When degree is more than safe preset value, temp.-sensitive controlled valve 5 is opened, when safe preset value is higher than the opening radiator valve 10 of actuator 2
Cool down temperature preset value.
As can be seen from the above description, in the high security motor thermosistor provided by the application specific embodiment, pass through
The exit passageway 4 that both ends are connected to feed pathway 9 and heat dissipation channel 7 respectively is set, and temperature-sensitive is set on exit passageway 4 and is controlled
Valve 5, so that high temperature coolant can in engine 12 when 2 failure of actuator and when causing radiator valve 10 that can not open
It is flowed into radiator 13 by exit passageway 4, carries out heat dissipation circulate operation, so that 12 temperature of engine is reduced to rationally work temperature
The case where spending, high-temperature water avoided to lead to 12 scuffing of cylinder bore failure of engine, it can in vulnerable part failure, take in time effectively guarantor
Shield measure, therefore, high security motor thermosistor provided by the present application effectively improve the safety in utilization of engine 12, prolong
The service life of engine 12 has been grown, while having improved travel safety.
The working method of high security motor thermosistor provided by the present application, the high security electricity applied to any of the above-described
Machine thermosistor, working method are as follows:
When actuator 2 works normally, 12 initial start stage of engine, the starting operation of water pump 6, state at this time is engine
Partial circulating state, radiator valve 10 are closed, and partial circulating valve 11 is opened, and it is logical to flow through partial circulating by feed pathway 9 for coolant liquid
Road 8 flows back into engine 12, and engine 12 is made to be rapidly heated, and reduces thermal loss, and 12 temperature of engine rises to cooling temperature
Preset value, engine is the temperature under optimum Working at this time；With the lasting rising of 12 temperature of engine, 12 temperature of engine
Degree reaches between cooling temperature preset value and safe temperature preset value, and safe temperature preset value is greater than cooling temperature preset value, this
When enter engine cooling state, radiator valve 10 is gradually opened, and partial circulating valve 11 progressively closes off, and coolant liquid passes through feed liquor
Channel 9 flows through heat dissipation channel 7, and coolant liquid is back to engine 12 after radiator 13 is cooling, to 12 radiating and cooling of engine, this
When temp.-sensitive controlled valve 5 be in close state, i.e., in engine partial circulating state and under above-mentioned engine cooling state, temperature-sensitive
Control valve 5 is in close state.
When actuator 2 or circuit break down, when causing radiator valve 10 that can not open, engine 12 can continue to rise
Temperature is to safe temperature preset value, and safe temperature preset value is engine maximum operating temperature, the temperature-sensitive object inside valve body shell 57
The thawing of matter 56 expands against push rod, and push rod stress overcomes the elastic force of dynamic clamping head and quiet clamping head 52 that guide rod 58 is pushed to transport along pilot hole upwards
Dynamic, specifically, compression protective jacket 55, protective jacket 55 squeeze the body of rod 59,59 stress of the body of rod overcomes the bullet of dynamic clamping head and quiet clamping head 52 upwards
It pushes action-oriented bar 58 to move along pilot hole, valve 53 is opened at this time, and coolant liquid is passed through from feed pathway 9 by liquid through hole 54
Exit passageway 4 flows to heat dissipation channel 7, and coolant liquid is back to engine 12 after the cooling of radiator 13, radiates to engine 12
Cooling.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of high security motor thermosistor, including main casing (1), radiator valve (10) and the control radiator valve
(10) actuator (2) being opened and closed, the main casing (1) are equipped with feed pathway (9) and heat dissipation channel (7), the heat dissipation channel
(7) end is connected to by the radiator valve (10) with the feed pathway (9), which is characterized in that further includes logical safely
Road (4) and temp.-sensitive controlled valve (5) on the exit passageway (4) is set, exit passageway (4) both ends respectively with it is described into
Liquid channel (9) is connected to the heat dissipation channel (7), and the temp.-sensitive controlled valve (5) includes valve body shell (57), push rod, end cap
(51), guide rod (58), valve (53), the dynamic clamping head and quiet clamping head (52) for driving the valve (53) to close, the elasticity are multiple
The first end of position part (52) is connected to the first side on the valve (53) with the push rod link position backwards, and the push rod connects
It is connected to the valve (53) side, the bottom end of the push rod is located in the valve body shell (57), in the valve body shell (57)
Filled with temperature-sensitive substance (56), the temperature-sensitive substance (56) varies with temperature expansion or shrinkage, to push the push rod to stretch out or
Retraction, the valve body shell (57) are located on the outside of the valve (53) liquid feeding end；
The end cap (51) is equipped with the pilot hole for sliding up and down for the guide rod (58), the bottom of the guide rod (58)
End is connect with the first side of the valve (53), and the dynamic clamping head and quiet clamping head (52) is set on the guide rod (58), described
End cap (51) is removably connected on the side wall of the exit passageway (4)；
When the temp.-sensitive controlled valve (5) temperature sensor is more than safe preset value, the temp.-sensitive controlled valve (5) is opened, the peace
Total temperature preset value is higher than the cooling temperature preset value when actuator (2) open radiator valve (10).
2. high security motor thermosistor according to claim 1, which is characterized in that the temperature-sensitive substance (56) is wax
Body.
3. high security motor thermosistor according to claim 1, which is characterized in that the valve body shell (57) includes object
Material accommodating chamber and the material push chamber connecting with material accommodating chamber open end, the top of the material accommodating chamber is provided with institute
On the bottom wall for stating material push chamber, the push rod includes the body of rod (59) and the protective jacket for being set in the body of rod (59) outer end
(55), it is equipped with retention bead at the top of the protective jacket (55), the material push chamber is located at the material accommodating chamber and the valve
Between door (53), the side wall of the retention bead is connect with the material push chamber side wall slidable sealing, the bottom of the push rod
End is located in the material accommodating chamber.
4. high security motor thermosistor according to claim 1, which is characterized in that the material accommodating chamber is cylinder
Cavity, the push rod are cylindrical bar, and the push rod center line and the material accommodating chamber center line are overlapped.
5. high security motor thermosistor according to claim 1, which is characterized in that the protective jacket (55) is high temperature resistant
Structure.
6. high security motor thermosistor according to claim 1, which is characterized in that the valve body shell (57) includes phase
The first sleeve and second sleeve being slidably connected mutually are sealed, one end far from the second sleeve is sealing in the first sleeve
Cylinder, one end in the second sleeve far from the first sleeve are sealed cylinder, and the temperature-sensitive substance (56) is arranged upper
It states in the sealed cylinder that first sleeve and the second sleeve are constituted, the first sleeve or the second sleeve one pass through institute
It states push rod to connect with the valve (53), another one is fixed relative to the main casing (1).
7. high security motor thermosistor according to claim 1 to 6, which is characterized in that the exit passageway
(4) it is provided on the main casing (1), the main casing (1) is an integral molding structure.
8. a kind of working method of high security motor thermosistor is applied to high safety of any of claims 1-7
Property motor thermosistor, working method are as follows:
When actuator (2) work normally, engine (12) initial start stage, water pump (6) starting operation, state at this time is to start
Machine partial circulating state, radiator valve (10) are closed, and partial circulating valve (11) is opened, and coolant liquid is flowed through by feed pathway (9)
Partial circulating channel (8) flows back into engine (12), and engine (12) is made to be rapidly heated, and reduces thermal loss, engine (12) temperature
Degree rises to cooling temperature preset value, and engine is the temperature under optimum Working at this time；With engine (12) temperature
Lasting to rise, engine (12) temperature reaches between cooling temperature preset value and safe temperature preset value, safe temperature preset value
Greater than cooling temperature preset value, enter engine cooling state at this time, radiator valve (10) is gradually opened, partial circulating valve
(11) it progressively closes off, coolant liquid is flowed through heat dissipation channel (7) by feed pathway (9), and coolant liquid is returned after radiator (13) are cooling
Engine (12) are flow to, to engine (12) radiating and cooling, the temp.-sensitive controlled valve (5) is in close state at this time；
When actuator (2) or circuit break down, when causing radiator valve (10) that can not open, engine (12) can continue
It is warming up to safe temperature preset value, the safe temperature preset value is engine maximum operating temperature, and valve body shell (57) is internal
Temperature-sensitive substance (56) melt expansion, push push rod, push rod stress overcome upwards dynamic clamping head and quiet clamping head (52) elastic force push guiding
Bar (58) is moved along pilot hole, and valve (53) is opened at this time, and coolant liquid passes through liquid through hole (54) through pacifying from feed pathway (9)
Full tunnel (4) flows to heat dissipation channel (7), and coolant liquid is back to engine (12) after the cooling of radiator (13), to engine
(12) radiating and cooling.
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| CN201910250110.6A CN109973198A (en) | 2019-03-29 | 2019-03-29 | A kind of high security motor thermosistor and its working method |
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| CN201910250110.6A CN109973198A (en) | 2019-03-29 | 2019-03-29 | A kind of high security motor thermosistor and its working method |
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| CN109973198A true CN109973198A (en) | 2019-07-05 |
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| CN201910250110.6A Pending CN109973198A (en) | 2019-03-29 | 2019-03-29 | A kind of high security motor thermosistor and its working method |
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| CN110486139A (en) * | 2019-09-06 | 2019-11-22 | 东风富士汤姆森调温器有限公司 | Engine thermolator |
| CN115306533A (en) * | 2022-07-18 | 2022-11-08 | 东风汽车集团股份有限公司 | Flow rate adjusting device, engine torque adjusting method and vehicle |
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