CN207864046U - A kind of cooling system expansion water tank control pressurer system - Google Patents
A kind of cooling system expansion water tank control pressurer system Download PDFInfo
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- CN207864046U CN207864046U CN201721769819.XU CN201721769819U CN207864046U CN 207864046 U CN207864046 U CN 207864046U CN 201721769819 U CN201721769819 U CN 201721769819U CN 207864046 U CN207864046 U CN 207864046U
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- motor
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Abstract
The utility model is related to a kind of cooling system expansion water tank control pressurer systems, including：It is placed in the pressure sensor of box house, for monitoring the steam pressure in expansion tank in real time；It is arranged on pressure cover and the press section of lever is pressed down on realization by camshaft band moving cam rotation with the motor of cam axis connection；It is placed in the control module of electronic control type car, the steam pressure information for receiving and processing pressure sensor transmission, and motor rotation is controlled by motor drive module.The control system of the utility model controls stable, simple operation.
Description
Technical field
The utility model belongs to traction engine field of cooling, and in particular to a kind of cooling system expansion water tank pressure control
System processed.
Background technology
It is well known that expansion tank is the essential security function of car engine cooling system.When engine work
When making, closed coolant temperature in a cooling system increases, and cooling liquid steam enters expansion tank storage, and flow back heat dissipation after cooling
Device；To achieve the purpose that prevent coolant liquid to scatter and disappear and improve because largely evaporating coolant liquid boiling point.
Existing heavy truck expansion tank pressure cover, when the maximum pressure of cooling system is more than the elastic force of spring on lid,
Spring jacks up pressure valve the steam in expansion tank is discharged, so that it is guaranteed that the refrigeration system normal operation of heavy truck.
Since existing pressure cover is to jack up pressure valve by the elastic force of spring, there are spring breaking downs to lead after long-time service
Cause expansion tank that the situation of steam can not be discharged in time, be based on this, be badly in need of it is a kind of it is intelligent, accurately control expansion tank pressure
And the device of pressure valve is jacked up by cam and lever mechanism.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model provides a kind of cooling system expansion water tank
Use control pressurer system.The technical problems to be solved in the utility model is achieved through the following technical solutions：
A kind of cooling system expansion water tank control pressurer system, including：
It is placed in the pressure sensor of box house, for monitoring the steam pressure in expansion tank in real time；
Be arranged on pressure cover and with the motor of cam axis connection, rotated by camshaft band moving cam, it is downward to realize
The press section of presses lever；
It is placed in the control module of electronic control type car, the steam pressure letter for receiving and processing pressure sensor transmission
Breath, and motor rotation is controlled by motor drive module.
Preferably, further include the limit switch being arranged on convex block, protrusion rotation of the limit switch for limiting cam
The position turned；Further include the relay being connect with control module input terminal, which is also electrically connected with limit switch.
Preferably, it is connect with control module after the first normally opened contact concatenation limit switch of the relay, the relay
Second normally opened contact of device and common end are electrically connected with control module respectively.
Preferably, the model STC12C5A60S2 microcontrollers of the control module；
The motor drive module includes L298N chips, diode D1, diode D2, diode D3, diode D4, electricity
Hinder R1, light emitting diode D5, light emitting diode D6,9 pin connection+5V power supplys of the L298N chips, the L298N chips
4 pins connect power supply, 8 pins of the L298N chips, 1 pin and 15 pins ground connection, 5 pins of the L298N chips connect
The output end of STC12C5A60S2 microcontrollers, 3 pins of the L298N chips connect motor, 2 pins of the L298N chips with
The also reversed simultaneously sending and receiving in both ends of series resistance R1 and light emitting diode D6, the light emitting diode D6 are also sequentially connected between motor
Optical diode D5, the light emitting diode D6 and light emitting diode D5 are used to indicate the direction of motor rotation.
The beneficial effects of the utility model：
The utility model monitors the steam pressure in expansion tank by pressure sensor in real time, when the pressure in expansion tank
After power exceeds the preset pressure limit of control module, control module controls motor by motor drive module and rotates, and connects with motor
The camshaft band moving cam connect rotates so that protrusion presses down on the press section of lever, and lever pushes under the action of fulcrum
Portion pushes pressure valve to move upwards to discharge the steam in expansion tank；When pressure sensor detects the pressure in expansion tank
Less than after pre-set pressure range, control module control motor is stopped value.The control system control of the utility model is stablized, is grasped
It is convenient to make.
The utility model is described in further details below with reference to accompanying drawings and embodiments.
Description of the drawings
Fig. 1 is the structural schematic diagram of cooling system expansion water tank.
Fig. 2 is the partial enlarged view of Fig. 1 dotted portions.
Fig. 3 is that lever jacks up the structural schematic diagram after pressure valve.
Fig. 4 is the functional block diagram of control pressurer system.
Fig. 5 is the minimum unit of STC12C5A60S2 microcontrollers.
Fig. 6 is the circuit connection diagram of motor drive module.
Fig. 7 is the structural schematic diagram of driving lever and disk linkage.
In figure：1, babinet；2, pressure cover；3, pressure valve；4, lever；41, convex block；42, pushing part；43, fulcrum；5, convex
Wheel；6, resetting spring；7, disk；71, socket cap；8, cylinder；81, driving lever.
Specific implementation mode
Reach the technological means and effect that predetermined purpose is taken for the utility model is expanded on further, below in conjunction with attached drawing
And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result,
It can explicitly or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
Term " installation ", " connected ", " connection " shall be understood in a broad sense, and can also be removable for example, it may be being fixedly connected
Connection is unloaded, or is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
- Fig. 3 referring to Fig.1, present embodiment discloses a kind of electronic control type cooling system for vehicle expansion tanks, including babinet
1, it is sealed in the pressure cover 2 of 1 opening of babinet, the pressure cover 2 is equipped with the pressure valve that steam in expansion tank is discharged after opening
3, pressure valve 3 includes the valve body being mounted on pressure cover 2 and the spool for being placed in valve inner, further includes the drive of application valve body exhaust
Dynamic device, the driving device include the lever 4 that can be rotated around fulcrum 43, the resetting spring 6 being fixed on lever 4, drive lever 4
The cam 5 that pressure valve 3 is vented after being lifted on end, cam 5, lever 4, resetting spring 6 are respectively positioned on the inner cavity of pressure cover 2, reset bullet
One end of spring 6 is connect with the outer wall of lever 4, and the other end is connect with fulcrum 43.
As shown in Figures 2 and 3, cam 5 is equipped with protrusion, and lever 4 includes contacting and can pressing down on for protrusion
Press section pushes pressure valve 3 to move upwards the pushing part 42 that steam can be discharged, and the middle part of lever 4 and fulcrum 43 are hinged.
It is reliably connect to make the ground of pushing part 42 and pressure valve 3 realize, the top of the preferred pushing part of the present embodiment 42
End is chondritic, the bottom end sphere-contact of the chondritic and pressure valve 3.
Preferably, the end of lever 4 is connect with spool.
After cam 5 rotates excessively in order to prevent, protrusion, which is detached from press section, causes lever 4 that can not jack up pressure valve 3, finally
Cause pressure valve 3 can not normal row pressure situation, the present embodiment is arranged on the peripheral wall of lever 4 prevents cam 5 from excessively rotating
Convex block 41.
The present embodiment pushes lever 4 after being rotated by cam 5, and the other end of lever 4 is made to jack up pressure valve 3 so that expansion is discharged
Steam in water tank, after the completion of the discharge of steam in expansion tank, rotation cam 5 is so that protrusion leaves press section, multiple
Lever 4 keeps balance under the action of the spring 6 of position, and pressure valve 3, which moves downward, makes expansion tank keep sealing.
The present embodiment ensures the normal operation of cooling system, therefore, the expansion of the present embodiment by 5 lever of cam, 4 mechanism
Cisten mechanism is simple, easy to use.The present embodiment also relies on after cam 5 rotates and pushes lever 4, and the other end of lever 4 is made to jack up
Pressure valve 3 is to be discharged the steam in expansion tank, to ensure the normal operation of cooling system, the expansion tank knot of the utility model
Structure is simple, easy to use.
The present embodiment also discloses a kind of cooling system expansion water tank control pressurer system as shown in Figure 4, including：
The pressure sensor being placed in inside babinet 1, for monitoring the steam pressure in expansion tank in real time；
Be arranged on pressure cover 2 and with the motor of cam axis connection, by camshaft band moving cam 5 rotate, with realize to
The press section of lower presses lever 4；
It is placed in the control module of electronic control type car, the steam pressure letter for receiving and processing pressure sensor transmission
Breath, and motor rotation is controlled by motor drive module.
The present embodiment monitors the steam pressure in expansion tank by pressure sensor in real time, when the pressure in expansion tank
After the preset pressure limit of control module, control module controls motor by motor drive module and rotates, and is connect with motor
Camshaft band moving cam 5 rotate so that protrusion press down on lever 4 press section, lever 4 under the action of fulcrum 43,
Pushing part 42 pushes pressure valve 3 to move upwards to discharge the steam in expansion tank；When pressure sensor detects expansion tank
After interior pressure value is less than pre-set pressure range, control module control motor is stopped.
In the present embodiment, cam 5 can be rotated with 360 °, in this way, pressure valve 3 is under the action of 5 protrusion of cam, can between
The discharge steam of having a rest property.In order to allow pressure valve 3 to discharge steam always, until the pressure in expansion tank is less than control module
Preset value, preferably, the present embodiment is arranged also on the peripheral wall of lever 4 prevents the convex block 41 that cam 5 excessively rotates, pressure
Control system further includes the limit switch being arranged on convex block 41, and the relay being connect with control module input terminal, should be after
Electric appliance is also electrically connected with limit switch, which is used to limit the position of the protrusion rotation of cam 5.
Preferably, being connect with control module after the first normally opened contact concatenation limit switch of relay, the of relay
Two normally opened contacts and common end are electrically connected with control module respectively.
In actual use, when control module control camshaft is rotated to convex block 41, limit switch makes to relay
Relay open circuit, control module receive the moment of relay break signal, and control module control motor stops rotating, lug boss
It rests on always on lever 4 and presses down on press section so that pressure valve 3 discharges always steam.
It may be noted that as shown in figure 5, the model STC12C5A60S2 microcontrollers of the control module of the present embodiment；Such as Fig. 6 institutes
Show, motor drive module includes L298N chips, diode D1, diode D2, diode D3, diode D4, resistance R1, shines
The 9 pin connection+5V power supplys of diode D5, light emitting diode D6, L298N chip, 4 pins of L298N chips connect power supply,
8 pins, 1 pin and 15 pins of L298N chips are grounded, and 5 pins of L298N chips connect the output of STC12C5A60S2 microcontrollers
End, 3 pins of L298N chips connect motor, and series resistance R1 and hair are also sequentially connected between 2 pins and motor of L298N chips
The both ends of optical diode D6, light emitting diode D6 also reversed simultaneously sending and receiving optical diode D5, light emitting diode D6 and light emitting diode
D5 is used to indicate the direction of motor rotation.
The present embodiment monitors the steam pressure in expansion tank by pressure sensor in real time, when the pressure in expansion tank
After the preset pressure limit of control module, control module controls motor by motor drive module and rotates, and is connect with motor
Camshaft band moving cam 5 rotate so that protrusion press down on lever 4 press section, lever 4 under the action of fulcrum 43,
Pushing part 42 pushes pressure valve 3 to move upwards to discharge the steam in expansion tank；When pressure sensor detects expansion tank
After interior pressure value is less than pre-set pressure range, control module control motor is stopped.The control system of the present embodiment controls
Stablize, simple operation.
In order to enable the protrusion of cam 5 accurately to rest in the press section of lever 4, the present embodiment also discloses one kind such as
81 disk of driving lever, 7 mechanism shown in Fig. 7, wherein be installed with cylinder 8 on the output shaft of motor, set on the peripheral wall of the cylinder 8
There is a driving lever 81 vertical with 8 axis of cylinder；Camshaft passes through the peripheral wall of 2 one end of pressure cover to be equipped with disk 7, the disk 7
End face be equipped with multiple socket caps 71, multiple socket caps 71 are evenly distributed on centered on 7 center of disk along 7 diameter of disk
On the end face for separating later half so that driving lever 81 drives camshaft half rotation forward or backwards.
It stresses, 71 distributing position of multiple socket caps of the present embodiment is as shown in fig. 7, when using as shown in Figure 7
Mode drive cam shaft rotation when,
In order to sketch conveniently, the present embodiment is described briefly by taking 4 socket caps 71 as an example：
After control module sends work order by motor drive module to motor, the output shaft of motor drives cylinder 8
Axis with driving lever 81 around output shaft rotates, when driving lever 81 contacts a socket cap 71, when driving lever 81 turns to and first
When the position that socket cap 71 detaches, stirs disk 7 and rotate 45 degree, cam 5 also rotates 45 degree at any time, stops operating with rear disk 7.
When cylinder 8 rotates after a week, driving lever 81 is contacted with next socket cap 71 again, and disk 7 rotates 45 degree again, is followed with this
Ring, until after cylinder 8 rotates 4 weeks, disk 7 has rotated 180 degree in total, and then, motor output shaft drives cylinder 8 to revolve again
Turn, disk 7 is stationary.After the pressure in expansion tank is emitted into the preset value less than control module by pressure valve 3, control
Module controls motor and reversely rotates, and driving lever 81 can drive 7 intermittent reverse rotation 180 degree of disk.It recycles repeatedly, to protect
Pressure in expansion tank is demonstrate,proved to control in default range.
In order to save electric energy, also for preventing motor output shaft from rotating repeatedly, the present embodiment is also on the output shaft of motor
It is additionally provided with encoder, the output end of the encoder and the input terminal of control module connect.Encoder records motor rotation in real time
The number of turns, and the number of turns that motor output shaft rotates is transmitted to control module, after control module detects motor rotation 8-10 circles, control
Motor processed is stopped, and achievees the effect that save electric energy.
The present embodiment drives driving lever 81 to rotate by motor output shaft, when driving lever 81 contacts first on 7 end face of disk
After socket cap 71, stirs the rotation of cam 5 and connect with second socket cap 71 on 7 end face of disk until after driving lever 81 rotates a circle
It touches, stirs the rotation of cam 5 again.The present embodiment ensures protrusion and press section essence by cam 5 and the intermittent movement of motor
Accurate contact, so that lever 4 jacks up pressure valve 3 to reach steam in discharge expansion tank, the driving mechanism of the present embodiment
Stable transmission, using effect are good.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the scope of protection of the utility model.
Claims (4)
1. a kind of cooling system expansion water tank control pressurer system, which is characterized in that including：
It is placed in the pressure sensor of box house, for monitoring the steam pressure in expansion tank in real time；
It is arranged on pressure cover and is pressed down on by camshaft band moving cam rotation with realizing with the motor of cam axis connection
The press section of lever；
It is placed in the control module of electronic control type car, the steam pressure information for receiving and processing pressure sensor transmission,
And motor rotation is controlled by motor drive module.
2. cooling system expansion water tank control pressurer system as described in claim 1, which is characterized in that further include that setting exists
Limit switch on convex block, the limit switch are used to limit the position of the protrusion rotation of cam；Further include defeated with control module
Enter the relay of end connection, which is also electrically connected with limit switch.
3. cooling system expansion water tank control pressurer system as claimed in claim 2, which is characterized in that the relay
It is connect with control module after first normally opened contact concatenation limit switch, the second normally opened contact of the relay and common end point
It is not electrically connected with control module.
4. cooling system expansion water tank control pressurer system as described in claim 1, which is characterized in that the control module
Model STC12C5A60S2 microcontrollers；
The motor drive module include L298N chips, diode D1, diode D2, diode D3, diode D4, resistance R1,
Light emitting diode D5, light emitting diode D6,9 pin connection+5V power supplys of the L298N chips, the 4 of the L298N chips draws
Foot connects power supply, and 8 pins, 1 pin and 15 pins of the L298N chips are grounded, and 5 pins of the L298N chips connect
The output end of STC12C5A60S2 microcontrollers, 3 pins of the L298N chips connect motor, 2 pins of the L298N chips with
The also reversed simultaneously sending and receiving in both ends of series resistance R1 and light emitting diode D6, the light emitting diode D6 are also sequentially connected between motor
Optical diode D5, the light emitting diode D6 and light emitting diode D5 are used to indicate the direction of motor rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721769819.XU CN207864046U (en) | 2017-12-18 | 2017-12-18 | A kind of cooling system expansion water tank control pressurer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721769819.XU CN207864046U (en) | 2017-12-18 | 2017-12-18 | A kind of cooling system expansion water tank control pressurer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864046U true CN207864046U (en) | 2018-09-14 |
Family
ID=63469581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721769819.XU Expired - Fee Related CN207864046U (en) | 2017-12-18 | 2017-12-18 | A kind of cooling system expansion water tank control pressurer system |
Country Status (1)
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|---|---|
| CN (1) | CN207864046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351606A (en) * | 2018-12-20 | 2020-06-30 | 宁波方太厨具有限公司 | Expansion tank pre-charging pressure detection device and detection method thereof |
-
2017
- 2017-12-18 CN CN201721769819.XU patent/CN207864046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351606A (en) * | 2018-12-20 | 2020-06-30 | 宁波方太厨具有限公司 | Expansion tank pre-charging pressure detection device and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |