CN213063739U - Engine heat management system applying electronic temperature control valve - Google Patents
Engine heat management system applying electronic temperature control valve Download PDFInfo
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- CN213063739U CN213063739U CN202020678037.0U CN202020678037U CN213063739U CN 213063739 U CN213063739 U CN 213063739U CN 202020678037 U CN202020678037 U CN 202020678037U CN 213063739 U CN213063739 U CN 213063739U
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Abstract
The invention discloses an engine heat management system applying an electronic temperature control valve, which comprises an engine Electronic Control Unit (ECU), wherein an engine is connected with an engine water outlet pipe, a water temperature sensor is arranged on the engine water outlet pipe, the engine water outlet pipe is connected with the electronic temperature control valve, the electronic temperature control valve and the water temperature sensor are connected with the engine ECU, and the electronic temperature control valve is connected with a large circulation pipeline of the engine and a small circulation pipeline of the engine through pipelines. Has the following advantages: the electronic control unit accurately controls the temperature control valve according to the water outlet temperature of the engine, controls the water circulation mode in the engine through the action of the temperature control valve, achieves the effect of controlling the temperature of circulating water of the transmitter, can reduce the water flow of circulating water of the engine, reduces the power consumption of a water pump of the engine, and achieves the purpose of saving energy of the engine.
Description
Technical Field
The utility model relates to an use engine heat management system of electron temperature control valve belongs to electronic control technical field.
Background
With the popularization of the energy-saving and emission-reducing technology of the engine in China, the potential of the heat management system of the engine is continuously excavated by people.
The combustion and the work application of the engine need proper temperature, when the engine is started, the temperature of the engine is low, and if the water pump runs at high speed, too much heat of the engine can be taken away, so that the combustion of the engine is not facilitated; in addition, when the vehicle runs at a high speed, because the speed of the vehicle is very fast, airflow flowing through the heat exchanger of the engine is very fast, the heat dissipation efficiency of the radiator is very high, and at the moment, if the running speed of the water pump of the engine is too fast, too much heat of the engine can be taken away, and the combustion of the engine is not facilitated. Therefore, the engine thermal management system is required.
The existing methods for managing the heat of the circulating water of the engine generally comprise a silicon oil clutch water pump mode and an electromagnetic clutch water pump mode, namely, when the engine does not need to dissipate too much heat, the rotating speed of the water pump is reduced. Although this method is feasible, the failure rate of the clutch is too high, and the cost is too high, which is not favorable for practical application on the engine.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to above not enough, provide an use electronic temperature control valve's engine heat management system, automatically controlled unit carries out accurate control to the temperature-sensing valve according to engine water temperature, through temperature-sensing valve action control engine mesocycle mode, reaches the effect of control engine circulating water temperature, also can reduce the discharge of engine circulating water simultaneously, reduces engine water pump's consumed power to reach the purpose of engine energy-conservation.
For solving the technical problem, the utility model discloses a following technical scheme:
the utility model provides an use electronic temperature control valve's engine heat management system, including engine electrical control unit ECU, the engine is connected the engine outlet pipe, install water temperature sensor on the engine outlet pipe, engine water piping connection has electronic temperature control valve, electronic temperature control valve and water temperature sensor connect engine electrical control unit ECU, electronic temperature control valve has the major cycle pipeline of engine and the little circulating line of engine through the pipe connection, the major cycle pipeline of engine includes water tank and engine water pump, through the pipe connection engine water pump, engine water pump rethread pipe connection is to the engine, the major cycle pipeline of engine includes the engine water pump, engine water pump rethread pipe connection is to the engine.
Furthermore, the electronic temperature control valve comprises a motor, a motor gear is mounted on an output shaft of the motor, a speed change gear is meshed with the motor gear and is connected with a worm, the speed change gear and the worm are integrally connected, a worm wheel is mounted on the worm, a magnet is mounted on the worm wheel, and the worm wheel is connected with a three-way valve.
Further, the outside of motor is equipped with the motor casing, and the motor is connected with the valve control unit, and the valve control unit is connected with angle sensor, and angle sensor is used for responding to the magnet position.
Further, the three-way valve comprises a valve body, a fixing cover and a valve core, the valve core is arranged in the valve body, the top end of the valve core is connected with a driving shaft, the driving shaft is connected with a worm wheel, the valve core is sleeved with the fixing cover, and the fixing cover is fixed on the valve body.
Furthermore, the valve core is connected with a water outlet pipe of the engine, two ends of the valve body are respectively connected with a large circulation pipeline of the engine and a small circulation pipeline of the engine, two water outlet holes are formed in the valve core, and the water outlet holes are communicated with the valve body.
Further, the valve core is cylindrical.
Further, the three-way valve includes the casing, is equipped with the ball valve in the casing, and the ball valve is connected with the drive shaft, and the drive shaft is connected the worm wheel, and the ball valve is equipped with the sealing plug in last subsides, and the sealing plug is interior toper with the position of ball valve contact, and the sealed face is formed to the interior conical surface of sealing plug and the surface of ball valve, is equipped with wave spring between the sealing plug.
Furthermore, a cylindrical water inlet channel is formed in the ball valve, a first water outlet channel and a second water outlet channel are formed in two sides of the water inlet channel, the water inlet channel is connected with a water inlet pipe, and the water inlet pipe is connected with a water outlet pipe of the engine;
the three-way valve further comprises a water outlet pipe, the sealing plug is located between the water outlet pipe and the ball valve and fixed on the inner surface of the shell, the first water outlet channel and the second water outlet channel can be communicated with the water outlet pipe, and the water outlet pipe is connected with a large circulation pipeline of the engine and a small circulation pipeline of the engine.
Furthermore, the sealing plug is made of tetrafluoroethylene material.
Furthermore, the valve control unit comprises a single chip microcomputer, the single chip microcomputer is connected with a power supply module, a CAN communication module, a motor control module, a current detection module and a position detection module, the valve control unit is connected with an engine electronic control unit ECU current detection module and a position detection module through the CAN communication module to realize an OBD fault diagnosis function, and after a fault occurs, a fault code CAN be sent to the ECU through a CAN bus;
the valve control unit can be independently installed in the motor shell, and can also be integrated in an Electronic Control Unit (ECU) of the engine.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the electronic control unit accurately controls the electronic temperature control valve according to the water outlet temperature of the engine, controls the water circulation mode in the engine through the action of the temperature control valve, achieves the effect of controlling the temperature of the circulating water of the engine, can reduce the water flow of the circulating water of the engine, and reduces the power consumption of a water pump of the engine, thereby achieving the purpose of saving energy of the engine.
By testing the mechanical water pump for the WP10 engine, the water pumps run at rated rotation speed, the maximum water flow and the water flow of 1/3 are realized, and the shaft power consumed by the water pumps is reduced by half from the original 3.5KW to 1.8 KW.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a block diagram of a thermal management system of an engine according to embodiments 1 and 2 of the present invention;
fig. 2 is a schematic view of a motor gear and a worm gear driving system in the electronic temperature control valve according to embodiment 1 of the present invention;
fig. 3 is a partial anatomical schematic view of an electronic temperature control valve according to embodiment 1 of the present invention;
fig. 4 is a schematic view of the opening direction of the internal flow passage of the electronic temperature control valve in embodiment 1 of the present invention;
fig. 5 is a diagram illustrating a rotation state of a valve element of an electronic temperature control valve according to embodiment 1 of the present invention;
fig. 6 is a control flow chart of the engine thermal management system according to embodiments 1 and 2 of the present invention;
fig. 7 to 12 are electrical schematic diagrams of a valve control unit according to embodiments 1 and 2 of the present invention;
fig. 13 is a partial anatomical schematic view of an electronic temperature control valve according to embodiment 2 of the present invention;
fig. 14 to 18 are ball valve rotation state diagrams of the electronic temperature control valve according to embodiment 2 of the present invention;
in the figure: 1-motor, 2-motor gear, 3-change gear, 4-worm, 5-worm wheel, 6-magnet, 7-motor shell, 8-valve control unit, 10-valve body, 11-fixed cover, 12-valve core, 13-water outlet hole, 14-driving shaft, 21-shell, 22-water inlet channel, 23-sealing plug, 24-wave spring, 25-ball valve, 26-first water outlet channel, 27-second water outlet channel, 28-water inlet pipe and 29-water outlet pipe.
Detailed Description
As shown in fig. 2, the electronic temperature control valve comprises a motor 1, a motor gear 2 is installed on an output shaft of the motor 1, a speed change gear 3 is meshed with the motor gear 2, the speed change gear 3 is connected with a worm 4, the speed change gear 3 is integrally connected with the worm 4, a worm wheel 5 is installed on the worm 4, a magnet 6 is installed on the worm wheel 5, the worm wheel 5 is connected with a three-way valve, so that two-stage speed reduction is totally realized in the whole mechanism, the first-stage speed reduction is realized by the speed reduction between a small gear and a large gear, the second-stage speed reduction is realized by the worm and the worm wheel, the total speed reduction ratio can reach more than 100, and the resistance of water can.
As shown in fig. 3, the outside of motor 1 is equipped with motor casing 7, installs valve control unit 8 in motor casing 7, and motor 1 is connected with valve control unit 8, and valve control unit 8 is connected with angle sensor, and angle sensor is used for responding to the magnet position, and worm wheel 5 is rotatory back, drives magnet 6 and rotates, can finally sense from angle sensor to reach the purpose that detects the real-time angular position of worm wheel, the rotation angle of two three-way valves just can be monitored like this, forms closed loop control.
The three-way valve comprises a valve body 10, a fixed cover 11 and a valve core 12, wherein the valve core 12 is arranged in the valve body 10, the valve core 12 is rotatable, the top end of the valve core 12 is connected with a driving shaft 14, the driving shaft 14 is connected with a worm wheel 5, the valve core 12 is sleeved with the fixed cover 11, the fixed cover 11 is fixed on the valve body 10, the fixed cover 11 limits axial movement of the valve core 12, the valve core 12 can only rotate in the valve body 10, and the structure of the valve core 12 is a cylindrical structure.
The water outlet pipe of engine is connected to case 12, and the big circulation pipeline of engine and the little circulation pipeline of engine are connected respectively to the both ends of valve body 10, are equipped with two apopores 13 on the case 12, and apopore 13 can be with valve body 10 UNICOM, and the position of two apopores can be arranged according to actual engine needs, and different engines can adopt different apopore directions.
And in failure mode control, when a valve fails, such as clamping stagnation of a two-position three-way valve or motor failure, gear failure and worm and gear failure, the detected angle signals can be used for judging in real time, once any failure of the valve is judged, the electronic control unit immediately sends failure alarm information to an electronic control unit ECU (electronic control unit) of the whole engine, and the ECU controls the engine to enter a limp control mode, such as only working in an idle mode or working with the minimum allowable output torque.
The utility model discloses an utilize a slide valve to replace electronic thermostat, utilize the mode of engine size circulation regulation to adjust engine heat management, can reduce the discharge that gets into the radiator through the method that reduces engine water area again, carry out engine circulation water route heat management.
And the temperature control slide valve can realize the functions of automatic position detection, fault diagnosis OBD and motor drive and is communicated with an engine ECU.
The valve control unit comprises a single chip microcomputer, the single chip microcomputer is connected with a power supply module, a CAN communication module, a motor control module, a current detection module and a position detection module, the valve control unit is connected with an engine electronic control unit ECU through the CAN communication module, the position detection module is used for detecting the position of a magnet, the motor control module is used for controlling a motor, the current detection module and the position detection module CAN achieve an OBD fault diagnosis function, and after a fault occurs, a fault code CAN be sent to the ECU through a CAN bus;
the valve control unit 8 can be separately installed in the motor casing 7, and can also be integrated in the ECU of the engine.
As shown in fig. 8, the single chip microcomputer includes a chip U4, the model of the chip U4 is FS32K116LIT0VFMT, a pin 5 of the chip U4 is connected with one end of a crystal oscillator Y1, one end of a resistor R13, and one end of a capacitor C17, a pin 6 of the chip U4 is connected with the other end of a crystal oscillator Y1, the other end of a resistor R13, and one end of a capacitor C19, the other end of the capacitor C17 and the other end of the capacitor C19 are grounded, a pin 31 of the chip U4 is connected with one end of a resistor R12 and one end of a capacitor C20, the other end of the resistor R12 is connected with +5V, the other end of the capacitor C20 is grounded, a pin 32 of the chip U4 is connected with a pin 3 of a connector J1, a pin 30 of the chip U4 is connected.
As shown in fig. 7, the power module includes a chip U2, the model of the chip U2 is MAX17501BTEVKIT, pin 2 of the chip U2 is connected to a 24V power supply, pin 3 of the chip U2 is connected to one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R3 is connected to the 24V power supply, the other end of the resistor R4 is grounded, pin 4 of the chip U2 is connected to one end of a capacitor C12, the other end of the capacitor C12 is grounded, pin 5 of the chip U2 is connected to one end of a capacitor C13, the other end of the capacitor C13 is grounded, pin 10 of the chip U2 is connected to one end of an inductor L2, the other end of the inductor L2 is connected to pin 5 of the chip U2, one end of the capacitor C5, one end of the capacitor C6, one end of the capacitor C7 and one end of the capacitor C8, and outputs + 5.
The power supply module further comprises an inductor L1, one end of the inductor L1 is connected with one end of a diode D1 and one end of a capacitor C2, the other end of the diode D1 is connected with a VCC _ IN welding wire hole, the other end of the capacitor C2 is connected with a GND _ IN welding wire hole, the other end of the inductor L1 is connected with one end of a capacitor C3 and one end of a capacitor C4, the two ends of the capacitor C3 and the other end of the capacitor C4 are grounded; the power supply module further comprises a resistor R1, one end of the resistor R1 is connected with +5V, the other end of the resistor R is connected with one end of a diode D2, and the other end of the diode D2 is grounded; the power module further comprises a resistor R7, one end of the resistor R7 is connected with the GND _ IN bonding wire hole, and the other end of the resistor R7 is grounded.
As shown in fig. 12, the CAN communication module includes a chip U1, the model of the chip U1 is CAN/TJA1042TK/3, pin 1 of the chip U1 is connected to pin 1 of the chip U4, pin 4 of the chip U1 is connected to pin 2 of the chip U4, pin 7 of the chip U1 is connected to one end of a bidirectional TVS tube D3 and one end of a resistor R2, pin 6 of the chip U1 is connected to one end of a bidirectional TVS tube D2 and the other end of the resistor R2, and one end of the bidirectional TVS tube D3 and the other end of the bidirectional TVS tube D2 are grounded.
As shown IN fig. 11, the motor control module includes a chip U3, the model of the chip U3 is MC33886VW, the 4, 5 and 16 pins of the chip U3 are connected with one end of a capacitor C9 and one end of a capacitor C11, the other end of the capacitor C9 and the other end of the capacitor C11 are connected with a GND _ IN bonding wire hole, the 19 pin of the chip U3 is connected with the 7 pin of the chip U4, the 3 pin of the chip U3 is connected with the 8 pin of the chip U4, the 18 pin of the chip U3 is connected with the 9 pin of the chip U4, the 13 pin of the chip U3 is connected with the 10 pin of the chip U4, the 2 pin of the chip U3 is connected with the 11 pin of the chip U4 and one end of a resistor R5, the other end of the resistor R5 is connected with +5V, the 14 and 15 pins of the chip U5 are connected with a motor bonding wire hole H5, the 6 and the 7 pins of the chip U5 are connected with a motor bonding wire hole H5, and the.
As shown in fig. 9, the current detection module includes an operational amplifier U5A, pin 1 of the operational amplifier U5A is connected to pin 26 of a chip U4 and one end of a resistor R6, the other end of the resistor R6 is connected to pin 2 of the operational amplifier U5A, pin 2 of the operational amplifier U5A is connected to one end of a resistor R9, the other end of the resistor R9 is grounded, pin 3 of the operational amplifier U5A is connected to one end of a resistor R11, and is connected to GND _ M, the other end of the resistor R11 is grounded, pin 8 of the operational amplifier U5A is connected to +5V, and pin 4 of the operational amplifier U5A is grounded.
As shown in FIG. 10, the position detection module includes a chip U6, a chip U6 is KMA210, a VDD pin of the chip U6 is connected to +5V, a GND pin of the chip U6 is connected to ground, and an OUT/DATA pin of the chip U6 is connected to a pin 22 of the chip U4.
The implementation method of the engine thermal management system applying the electronic temperature control valve comprises four execution modes of the electronic temperature control valve, which are respectively as follows:
the electronic temperature control valve executes a large circulation, and the valve control unit controls the electronic temperature control valve to be communicated with a large circulation pipeline of the engine in a rotating mode;
the electronic temperature control valve executes small circulation, and the valve control unit controls the electronic temperature control valve to be communicated with a small circulation pipeline of the engine in a rotating mode;
thirdly, the electronic temperature control valve executes mixed circulation, and the valve control unit controls the electronic temperature control valve to rotate and simultaneously communicate a large circulation pipeline of the engine and a small circulation pipeline of the engine;
and fourthly, the electronic temperature control valve executes pressurization circulation, the valve control unit controls the electronic temperature control valve to rotate, the flow area of a large circulation pipeline of the communicated engine is reduced while the small circulation pipeline of the communicated engine is not communicated, and similarly, the electronic temperature control valve can reduce the water flow of the small circulation pipeline of the engine while the large circulation pipeline of the engine is closed, so that the purpose of energy conservation of the small circulation pipeline is achieved.
The implementation method comprises the following steps:
step S101, the ECU detects the water temperature T1 of an engine water outlet pipe at the time of system operation time T1, and the step S102 is executed after the water temperature T1 is detected;
step S102, the system continues to operate for 30S, the ECU detects the water temperature T2 of the water outlet pipe of the engine at the moment T2= T1+30S, and the step S103 is executed after the water temperature T2 is detected;
step S103, the ECU judges whether the water temperature T2 is greater than 60 degrees, if so, the step S104 is carried out, and if not, the step S109 is carried out;
step S104, the ECU judges whether the water temperature T2 is greater than 80 degrees, if so, the step S105 is carried out, and if not, the step S107 is carried out;
s105, executing a large cycle by the temperature control valve, enabling cooling water in a water tank to enter an engine, cooling the engine, setting the rotation angle A of the valve core controlled by the motor to be 0 degree, setting the angle of the temperature control valve corresponding to the large cycle to be 0 degree at the beginning, and entering S110 after the rotation is finished;
in step S106, the ECU judges whether T2 is greater than T1, if T2 is greater than T1, the engine is increasing power, the step S107 is carried out, and if not, the engine is decreasing power, the step S108 is carried out;
step S107, the temperature control valve executes a mixing cycle, the rotation angle A of the valve core controlled by the motor is 90-a degrees, wherein a = (80-T2)/20, and the step S110 is carried out after the completion;
step S108, the temperature control valve executes a pressurization cycle, the motor executes a rotation angle A of 90+ b, wherein b = (80-T2)/20, and the step S110 is carried out after the completion;
step S109, the temperature control valve executes a small cycle, the motor executes a rotation angle A of 90, and the step S110 is executed after the rotation angle A is finished;
and step S110, recording the time t2 as a new time t1, adding 30S to the original time t2 at the new time t2, and returning to continuously detect the water temperature.
The realization method can realize the size cycle switching of the engine and also can realize the mixed cycle of the cooling water of the engine, the mixed cycle refers to the state that the large cycle and the small cycle exist in the engine at the same time, and can reduce the temperature of the circulating water of the engine by opening the large cooling water circulation interface and reducing the small cycle interface of the engine at the same time, the condition is generally used when the power of the engine is higher, the temperature sensor detects that the temperature of the circulating water of the engine is high, and the valve control unit sends a command to the two-position three-way valve after receiving a water temperature high signal to make the valve execute the operation; meanwhile, the opening degree of a large cycle can be reduced and the opening degree of a small cycle can be increased in a mixed cycle so as to improve the temperature of cooling water of the engine, in the case that the temperature of the cooling water is low when the engine is just started or the engine is under a small load, a valve control unit sends a command to a two-position three-way valve, and the valve action achieves the effect of improving the temperature of the cooling water.
The realization method can also realize the regulation mode of the heat management of the engine, namely when the valve is in the major cycle, the valve core continues to rotate, and the flow area of the major cycle is reduced while the minor cycle is not opened, so that the pressure of the circulating cooling water of the water outlet pipeline of the engine can be increased, the flow of the cooling water is reduced, and the flow of the cooling water entering the water tank is reduced, thereby achieving the purpose of improving the temperature of the cooling water of the engine.
Example 2
The same contents as those in embodiment 1 have already been discussed in detail in embodiment 1, and are not described herein again, and the present embodiment is modified as follows with respect to embodiment 1:
as shown in fig. 13, the three-way valve includes a housing 21, a ball valve 25 is disposed in the housing 21, the ball valve 25 is connected to a driving shaft 14, the driving shaft 14 controls the rotation of the ball valve 25, the driving shaft 14 is connected to a worm wheel 5, a sealing plug 23 is tightly attached to the ball valve 25, a contact portion between the sealing plug 23 and the ball valve 25 is an inner cone, a sealing surface is formed between the inner cone of the sealing plug 23 and an outer surface of the ball valve 25, a wave spring 24 is disposed between the sealing plugs 23, and the wave spring 24 is used for providing a force to the sealing plug 23 to.
The inside cylindric inlet channel 22 of seting up of ball valve 25, first outlet channel 26 and second outlet channel 27 are seted up to the both sides of inlet channel 22, and inlet channel 22 is connected with inlet tube 28, and inlet tube 28 is connected with the outlet pipe of engine.
The three-way valve further comprises a water outlet pipe 29, a sealing plug 23 is positioned between the water outlet pipe 29 and the ball valve 25, the sealing plug 23 is fixed on the inner surface of the shell 21, the first water outlet channel 26 and the second water outlet channel 27 can be communicated with the water outlet pipe 29, and the water outlet pipe 29 is connected with a large circulation pipeline of the engine and a small circulation pipeline of the engine.
The sealing plug 23 is made of tetrafluoroethylene material.
As shown in fig. 14-18, three channels of the two-position three-way valve are cast inside the ball valve, water enters the ball valve from the water inlet channel and flows out from two channels on the ball valve body, when the ball valve is driven by the worm gear to rotate, the upper channel of the ball valve is staggered with the inner channel of the sealing plug, the water flow of the channel is reduced, when the upper channel of the ball valve is completely staggered with the upper channel of the sealing plug, the channel is sealed, the water flow is reduced to the minimum, and thus, when the ball valve is controlled, the water flow of two water outlet channels in the two-position three-way valve can be controlled by controlling the rotation angle of the ball valve.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. An engine thermal management system applying an electronic temperature control valve is characterized in that: the water temperature control device comprises an engine electronic control unit ECU, wherein the engine is connected with an engine water outlet pipe, a water temperature sensor is mounted on the engine water outlet pipe, the engine water outlet pipe is connected with an electronic temperature control valve, the electronic temperature control valve and the water temperature sensor are connected with the engine electronic control unit ECU, and the electronic temperature control valve is connected with a large circulation pipeline of the engine and a small circulation pipeline of the engine through pipelines.
2. The engine thermal management system using the electronic temperature control valve as claimed in claim 1, wherein: the electronic temperature control valve comprises a motor (1), a motor gear (2) is installed on an output shaft of the motor (1), a speed change gear (3) is meshed with the motor gear (2), the speed change gear (3) is connected with a worm (4), the speed change gear (3) is integrally connected with the worm (4), a worm wheel (5) is installed on the worm (4), a magnet (6) is installed on the worm wheel (5), and the worm wheel (5) is connected with a three-way valve.
3. An engine thermal management system using an electronic temperature control valve according to claim 2, characterized in that: the motor is characterized in that a motor shell (7) is arranged outside the motor (1), the motor (1) is connected with a valve control unit (8), the valve control unit (8) is connected with an angle sensor, and the angle sensor is used for sensing the position of a magnet.
4. An engine thermal management system using an electronic temperature control valve according to claim 2, characterized in that: the three-way valve comprises a valve body (10), a fixing cover (11) and a valve core (12), wherein the valve core (12) is arranged in the valve body (10), the top end of the valve core (12) is connected with a driving shaft (14), the driving shaft (14) is connected with a worm wheel (5), the valve core (12) is sleeved with the fixing cover (11), and the fixing cover (11) is fixed on the valve body (10).
5. An engine thermal management system using an electronic temperature control valve according to claim 4, characterized in that: the water outlet pipe of engine is connected to case (12), and the big circulation pipeline of engine and the little circulation pipeline of engine are connected respectively to the both ends of valve body (10), are equipped with two apopores (13) on case (12), and apopore (13) can communicate with valve body (10).
6. An engine thermal management system using an electronic temperature control valve according to claim 4, characterized in that: the valve core (12) is cylindrical.
7. An engine thermal management system using an electronic temperature control valve according to claim 2, characterized in that: the three-way valve comprises a shell (21), a ball valve (25) is arranged in the shell (21), the ball valve (25) is connected with a driving shaft (14), the driving shaft (14) is connected with a worm gear (5), a sealing plug (23) is tightly attached to the ball valve (25), the part, contacted with the ball valve (25), of the sealing plug (23) is in an inner conical shape, a sealing surface is formed by the inner conical surface of the sealing plug (23) and the outer surface of the ball valve (25), and a wave spring (24) is arranged between the sealing plugs (23).
8. An engine thermal management system using an electronic temperature control valve according to claim 7, characterized in that: a cylindrical water inlet channel (22) is formed in the ball valve (25), a first water outlet channel (26) and a second water outlet channel (27) are formed in two sides of the water inlet channel (22), the water inlet channel (22) is connected with a water inlet pipe (28), and the water inlet pipe (28) is connected with a water outlet pipe of an engine;
the three-way valve further comprises a water outlet pipe (29), a sealing plug (23) is located between the water outlet pipe (29) and the ball valve (25), the sealing plug (23) is fixed on the inner surface of the shell (21), the first water outlet channel (26) and the second water outlet channel (27) can be communicated with the water outlet pipe (29), and the water outlet pipe (29) is connected with a large circulation pipeline of the engine and a small circulation pipeline of the engine.
9. An engine thermal management system using an electronic temperature control valve according to claim 7, characterized in that: the sealing plug (23) is made of tetrafluoroethylene material.
10. An engine thermal management system using an electronic temperature control valve according to claim 3, characterized in that: the valve control unit (8) comprises a single chip microcomputer, the single chip microcomputer is connected with a power supply module, a CAN communication module, a motor control module, a current detection module and a position detection module, the valve control unit is connected with an engine electronic control unit ECU through the CAN communication module, the current detection module and the position detection module CAN realize an OBD fault diagnosis function, and after a fault occurs, a fault code CAN be sent to the ECU through a CAN bus;
the valve control unit (8) can be independently installed in the motor shell (7) or integrated in an Electronic Control Unit (ECU) of the engine.
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| CN111441860A (en) * | 2020-04-28 | 2020-07-24 | 潍坊力创电子科技有限公司 | Engine heat generation management system applying electronic temperature control valve and implementation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111441860A (en) * | 2020-04-28 | 2020-07-24 | 潍坊力创电子科技有限公司 | Engine heat generation management system applying electronic temperature control valve and implementation method thereof |
| WO2021218550A1 (en) * | 2020-04-28 | 2021-11-04 | 博鼎汽车科技(山东)有限公司 | Engine thermal management system applying electronic temperature control valve, and implementation method therefor |
| CN111441860B (en) * | 2020-04-28 | 2024-04-12 | 潍坊力创电子科技有限公司 | Engine thermal management system applying electronic temperature control valve and implementation method thereof |
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Address after: 261061 East 1st floor, plant 4, Shengrui Industrial Park, No. 6555, Baotong East Street, zhuojing community, Qingchi street, high tech Zone, Weifang City, Shandong Province Patentee after: Boding power (Shandong) Co.,Ltd. Address before: 261061 west of No.4 factory building, Shengrui Industrial Park, no.6555 Baotong East Street, zhuojing community, Qingchi street, high tech Zone, Weifang City, Shandong Province Patentee before: Boding Automotive Technology (Shandong) Co.,Ltd. |