CN113043974A - On-vehicle water weighing mechanism of adjustable temperature formula suitable for medium and heavy truck - Google Patents
On-vehicle water weighing mechanism of adjustable temperature formula suitable for medium and heavy truck Download PDFInfo
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- CN113043974A CN113043974A CN202110402315.9A CN202110402315A CN113043974A CN 113043974 A CN113043974 A CN 113043974A CN 202110402315 A CN202110402315 A CN 202110402315A CN 113043974 A CN113043974 A CN 113043974A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 326
- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000005303 weighing Methods 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 54
- 239000000498 cooling water Substances 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 239000003990 capacitor Substances 0.000 claims description 18
- 239000008236 heating water Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 9
- 238000005406 washing Methods 0.000 abstract description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004202 carbamide Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 230000006870 function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/08—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R15/00—Arrangements or adaptations of sanitation devices
- B60R15/02—Washing facilities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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Abstract
The invention provides a temperature-adjustable vehicle-mounted water weighing mechanism suitable for medium and heavy trucks, wherein a frame longitudinal beam is provided with a water mixing valve, a cold water tank and a hot water tank; the inlet of the heating spiral water pipe is connected to the output end of the engine cooling pipe through a cooling water inlet pipe; the outlet of the heating spiral water pipe is connected to the input end of the cold water tank through a cooling water outlet pipe; a driving pump and an electromagnetic valve are arranged on the cooling water inlet pipe; the output end of the water mixing valve is connected with a water supply pipe. When the water storage type long-distance freight transport driver is used by a user, the water storage type long-distance freight transport driver can be used in a mixed mode, the water temperature requirement is guaranteed, the water storage capacity is increased, the problem of domestic water of the long-distance freight transport driver can be effectively solved, the washing and rinsing requirements of the long-distance freight transport driver in the freight transport process can be effectively met, and the vehicle using experience of the user is improved. The urea nozzle is used for heating the water in the hot water tank by the high-temperature cooling water after being output and cooled from the engine, so that the effect of recycling heat is realized, the cooling water can be cooled, the energy consumption of a truck is reduced, and the heat utilization rate is improved.
Description
Technical Field
The invention relates to the technical field of automobile water tanks, in particular to a temperature-adjustable vehicle-mounted water weighing mechanism suitable for medium and heavy trucks.
Background
At present, trucks are widely developed in the transportation industry, and the trucks can be called to load a large amount of materials and can realize long-distance transportation, so that convenience is brought to material transportation.
In the long-distance driving process of the truck, due to the fact that the goods carrying period is generally long, drivers generally need to live on the truck for a long time, most of the drivers need to eat the goods on the truck, and the demands for domestic water are very obvious.
However, the cab of the existing truck has limited space, the driving requirement and the rest requirement of a driver need to be met, no redundant space is provided for arranging the water tank of the domestic water, the washing requirement of the driver cannot be met, and the problem is particularly prominent in hot summer.
In the prior art, a plurality of trucks are provided with water tanks and are heated by heating wires, the heating process needs the trucks to provide electric energy, and the electric energy can be supplied during the running process of the vehicles. However, if the vehicle is in a parking state, the power of the truck is cut off, and the truck cannot be started. Moreover, the configuration of the heating wire also has the risk of short circuit, which affects the safety of the vehicle.
In addition, the water temperature of the existing water tank is controlled based on the heating wires or heating elements, the temperature of the water tank cannot be dynamically and sensitively adjusted, and the temperature difference is large when the water temperature is adjusted, so that the water temperature is easily over-cooled or over-heated to influence the use.
Disclosure of Invention
The invention provides a mechanism which can avoid heating water in a water tank by using a heating wire, and further avoid the problem that a truck cannot be started due to power feeding of a truck level.
Specifically, the on-vehicle water weighing machine of adjustable temperature formula that is applicable to medium and heavy truck constructs includes: a frame rail;
a water mixing valve, a cold water tank and a hot water tank are arranged on the frame longitudinal beam;
a heating spiral water pipe is arranged inside the hot water tank;
the inlet of the heating spiral water pipe is connected to the output end of the engine cooling pipe through a cooling water inlet pipe; the outlet of the heating spiral water pipe is connected to the input end of the cold water tank through a cooling water outlet pipe and flows back to the engine;
a driving pump and an electromagnetic valve are arranged on the cooling water inlet pipe;
the outlet water of the cold water tank is connected with the cold water input end of the water mixing valve through the water outlet pipe of the cold water tank;
the outlet water of the hot water tank is connected with the hot water input end of the water mixing valve through the water outlet pipe of the hot water tank;
the output end of the water mixing valve is connected with a water supply pipe.
It is further noted that a cold water driving pump is arranged on a water outlet pipe of the cold water tank;
a hot water driving pump is arranged on the water outlet pipe of the hot water tank.
It is further noted that the cold water tank and the hot water tank are respectively made of high-strength and high-temperature resistant plastics;
the cold water tank and the hot water tank are respectively provided with a water tank cover.
Further, a water tank base is arranged on the frame longitudinal beam;
the cold water tank and the hot water tank are fixedly arranged on the water tank base through a drawstring and a connecting bolt respectively.
It is further noted that a heating spiral water pipe plug is arranged on the side wall of the hot water tank;
the cooling water inlet pipe is connected to the inlet of the heating spiral water pipe through the heating spiral water pipe plugging cover.
It should be further noted that a temperature sensor and a water meter are also arranged inside the hot water tank;
the temperature sensor is used for sensing the temperature of water in the hot water tank; the water gauge is used for sensing the water storage capacity in the hot water tank;
the water gauge and the temperature sensor are respectively connected with a VCU module of the whole vehicle;
a display touch screen is arranged inside the cab;
the VCU module of the whole vehicle is connected through the display touch screen, and the water temperature and the water storage capacity in the hot water tank are displayed.
It is further noted that the cold water drive pump, the hot water drive pump, the drive pump and the electromagnetic valve are respectively connected with the VCU module of the whole vehicle;
and the VCU module of the whole vehicle receives a control instruction input by a user and respectively controls the cold water driving pump, the hot water driving pump, the driving pump and the electromagnetic valve to operate.
Further, it should be noted that the method further includes: a drive pump control circuit;
the drive pump control circuit includes: a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, an operational amplifier U1, a capacitor C1 and a triode Q1;
the first end of the resistor R1 is connected with a power supply, and the second end of the resistor R1 is respectively connected with the second end of the resistor R3, the second end of the capacitor C1, the negative electrode input end of the operational amplifier U1 and the first end of the resistor R2; the second end of the resistor R2 is grounded;
the input end of the drive pump control circuit is connected with the control instruction output end of the VCU module of the whole vehicle and the positive input end of the operational amplifier U1; the output end of the operational amplifier U1 is respectively connected with the first end of the resistor R3, the first end of the resistor R4 and the first end of the capacitor C1;
the second end of the resistor R4 is respectively connected with the first end of the resistor R6, the first end of the resistor R7 and the base electrode of the triode Q1;
an emitter of the triode Q1 is respectively connected with the second end of the resistor R6, the first end of the resistor R5 and the power supply;
the second end of the resistor R5 is respectively connected with the collector of the triode Q1 and the output end of the drive pump control circuit;
the output end of the drive pump control circuit is connected to the drive pump;
the VCU module of the whole vehicle controls the driving pump to operate, when the water temperature in the hot water tank needs to be increased, the VCU module of the whole vehicle inputs a control signal to the positive input end of the operational amplifier U1, so that the triode Q1 is conducted, the power supply voltage of the driving pump is increased, the rotating speed is increased, the circulation of cooling water in the heating spiral water pipe is accelerated, and the heating efficiency is increased;
when the water temperature in the hot water tank is higher than a preset threshold value, the VCU module of the whole vehicle inputs a control signal to the positive input end of the operational amplifier U1, so that the triode Q1 is cut off, the power supply voltage of the driving pump is reduced, the rotating speed is reduced, and the heating efficiency is reduced.
Further, it should be noted that the method further includes: a temperature sensing circuit;
the temperature sensing circuit includes: the circuit comprises a resistor R11, a resistor R12, a resistor R13, a resistor R14, a capacitor C2 and an analog-to-digital conversion module U2;
the temperature sensor adopts a PT100 temperature sensor;
the second end of the temperature sensor is connected with a power supply through a resistor R11;
the first end of the temperature sensor is connected with a three-pin of an analog-to-digital conversion module U2;
the third end of the temperature sensor, the second end of the resistor R13, the four and five pins of the analog-to-digital conversion module U2 and the second end of the capacitor C2 are respectively grounded;
two pins of the analog-to-digital conversion module U2 are connected with a power supply through a resistor R12;
one pin of the analog-to-digital conversion module U2 is connected with eight pins through a resistor R14;
the seventh pin of the analog-to-digital conversion module U2 and the first end of the capacitor C2 are connected with a power supply;
the analog-digital conversion module U2 is connected with the VCU module of the whole vehicle through six pins.
Further, it should be noted that the method further includes: a solenoid valve control circuit;
the VCU module of the whole vehicle is connected with and controls the electromagnetic valve through the electromagnetic valve control circuit;
the solenoid valve control circuit includes: the temperature control circuit comprises an upper temperature limit adjusting resistor R21, a lower temperature limit adjusting resistor R22, a resistor R23, a resistor R24, an operational amplifier U3, an operational amplifier U4, a thyristor D1 and a triode Q2;
the negative electrode input end of the operational amplifier U3 is respectively connected with the input end of the electromagnetic valve control circuit and the negative electrode input end of the operational amplifier U4;
the positive electrode input end of the operational amplifier U3 is connected with the sliding end of the upper temperature limit adjusting resistor R21;
one end of the temperature upper limit adjusting resistor R21 is connected with a power supply, and the other end is grounded;
the positive electrode input end of the operational amplifier U4 is connected with the sliding end of the temperature lower limit adjusting resistor R22;
one end of the temperature lower limit adjusting resistor R22 is connected with a power supply, and the other end is grounded;
the output end of the operational amplifier U3 is connected with the control end of the thyristor D1 through a resistor R23;
the output end of the operational amplifier U4 is connected with the base electrode of a triode Q2 through a resistor R24;
the emitter of the triode Q2 is grounded; the collector of the triode Q2 is connected with the electromagnetic valve through a thyristor D1;
a user respectively adjusts the upper limit value and the lower limit value of the water temperature of the hot water tank through the upper temperature limit adjusting resistor R21 and the lower temperature limit adjusting resistor R22;
the VCU module of the whole vehicle sends a control level instruction to the electromagnetic valve control circuit every time a preset time length passes, and the control level instruction is compared and calculated by the operational amplifier U3 and the operational amplifier U4 respectively;
when the water temperature of the current hot water tank is lower than the lower limit value set by the temperature lower limit adjusting resistor R22, the thyristor D1 and the triode Q2 are respectively conducted, and the electromagnetic valve is attracted;
the VCU module of the whole vehicle controls the operation of the driving pump, so that cooling water of the engine flows to heat water in the hot water tank;
when the water temperature of the current hot water tank is higher than the upper limit value set by the upper temperature limit adjusting resistor R21, the thyristor D1 and the triode Q2 are respectively cut off, and the electromagnetic valve is disconnected;
the VCU module of the whole vehicle controls the drive pump to stop running and stops heating water in the hot water tank.
According to the technical scheme, the invention has the following advantages:
the temperature sensor in the temperature-adjustable vehicle-mounted water weighing mechanism suitable for the medium and heavy trucks transmits a temperature signal to the VCU module of the whole vehicle, the VCU module of the whole vehicle controls the heating pipeline through controlling the switch of the electromagnetic valve to realize intelligent temperature control, when the water temperature in the hot water tank is lower than a water temperature value set by a user, the electromagnetic valve opens the heating pipeline to start circulating heating, when the water temperature in the hot water tank is higher than the water temperature value set by the user, the electromagnetic valve closes circulating water in the heating pipeline to stop flowing, the hot water tank stops heating, and the water temperature is ensured to be always at an appropriate temperature. And the use requirements of users are met.
The cold water tank and the hot water tank are arranged, so that the cold water tank and the hot water tank can be used in a mixed manner when a user uses the water tank, the water temperature requirement is ensured, the water storage capacity is increased, the problem of domestic water of a long-distance freight driver can be effectively solved, the washing requirement of the long-distance freight driver in the process of transporting goods is met, and the vehicle using experience of the user is improved.
The invention uses the high-temperature cooling water output from the engine to heat the water in the hot water tank, thereby avoiding the problem that the truck cannot be started due to power feeding. The effect of heat reuse has been realized, but also can cool off the cooling water, reduce the energy consumption of truck, improve heat utilization rate.
The driving pump is controlled to operate on the basis of the VCU module of the whole vehicle, when the water temperature in the hot water tank needs to be increased, the VCU module of the whole vehicle inputs a control signal to the positive input end of the operational amplifier U1, so that the triode Q1 is conducted, the power supply voltage of the driving pump is increased, the rotating speed is increased, the circulation of cooling water in the heating spiral water pipe is accelerated, and the heating efficiency is increased;
when the water temperature in the hot water tank is higher than a preset threshold value, the VCU module of the whole vehicle inputs a control signal to the positive input end of the operational amplifier U1, so that the triode Q1 is cut off, the power supply voltage of the driving pump is reduced, the rotating speed is reduced, and the heating efficiency is reduced.
Like this, the truck can realize automatic control temperature to the truck is in external environment, and at the in-process of traveling, has the interference of external signal or other factors, has components such as filtering, modulation among the drive pump control circuit, improves signal transmission's accuracy and timeliness, reduces the external interference to control process.
According to the invention, the temperature sensing circuit can amplify, filter and modulate the temperature signal, so that the interference of the outside on the control process is reduced, and the error is reduced. The accuracy of temperature acquisition is improved, and the influence of the user on the use of water due to errors is avoided.
The electromagnetic valve control circuit can set the upper limit value and the lower limit value of the water temperature of the hot water tank, and the water temperature is dynamically controlled based on the upper limit value and the lower limit value of the water temperature, so that the use requirements of users are met. And the configuration of the upper limit value and the lower limit value of the water temperature and the control process of the electromagnetic valve realize the amplification, filtering and modulation processing of signals, reduce the interference of the outside to the control process, improve the accuracy of temperature acquisition and avoid the influence of errors on the use of water by users.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of a temperature adjustable vehicle-mounted water weighing mechanism suitable for medium and heavy trucks;
FIG. 2 is a top view of an embodiment of a temperature adjustable on-board water weighing mechanism suitable for use with medium and heavy duty trucks;
FIG. 3 is a schematic view of an embodiment of a temperature adjustable vehicle-mounted water weighing mechanism suitable for medium and heavy trucks;
FIG. 4 is a side view of an embodiment of the mechanism;
FIG. 5 is a drive pump control circuit diagram;
FIG. 6 is a temperature sensing circuit diagram;
fig. 7 is a circuit diagram of the solenoid valve control.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a temperature-adjustable vehicle-mounted water weighing mechanism suitable for medium and heavy trucks, which comprises the following components in percentage by weight as shown in figures 1 to 7: frame rails 15; the frame longitudinal beam 15 is provided with a water mixing valve 5, a cold water tank 1 and a hot water tank 2;
for convenience of installation, the water tank base 12 is installed on the frame longitudinal beam 15; the cold water tank 1 and the hot water tank 2 are respectively and fixedly arranged on a water tank base 12 through a drawstring 11 and a connecting bolt.
A heating spiral water pipe 3 is arranged inside the hot water tank 2; the inlet of the heating spiral water pipe 3 is connected to the output end of the engine cooling pipe through a cooling water inlet pipe 6; the outlet of the heating spiral water pipe 3 is connected to the input end of the cold water tank 1 through a cooling water outlet pipe; a driving pump and an electromagnetic valve 26 are arranged on the cooling water inlet pipe 6;
the outlet water of the cold water tank 1 is connected with the cold water input end of the water mixing valve 5 through a cold water tank water outlet pipe 13; the outlet water of the hot water tank 2 is connected with the hot water input end of the water mixing valve 5 through a hot water tank water outlet pipe 14; the output end of the water mixing valve 5 is connected with a water supply pipe.
As an embodiment provided by the invention, a cold water driving pump 21 is arranged on the water outlet pipe 13 of the cold water tank; the hot water tank outlet pipe 14 is provided with a hot water driving pump 22. Thus, when the user uses warm water or cold and hot water, the flow rate of the cold and hot water can be controlled by controlling the cold water driving pump 21 or the hot water driving pump 22, and the water temperature of the water can be adjusted.
Illustratively, when the automobile runs, the urea nozzle outputs cooled high-temperature cooling water from the engine, the high-temperature cooling water enters the heating spiral water pipe 3 through the cooling water inlet pipe 6 to heat low-temperature water in the hot water tank 2, and then the low-temperature water is connected to the cold water tank 1 through the cooling water outlet pipe. Of course, an independent cooling water tank can be configured, and the cooling water flowing out of the heating spiral water pipe 3 flows into the cooling water tank, so that the temperature of the engine is reduced after cooling. Realizing the cyclic heating process of the hot water tank 2.
In the invention, when in use, a driver can adjust the water temperature as required by arranging a driving pump and an electromagnetic valve 26 on the cooling water inlet pipe 6. The water supply pipe can be externally connected with a shower head or a faucet and the like, and the use requirements of users are met.
The surfaces of the cold water tank 1 and the hot water tank 2 can be covered with a layer of heat insulation cover 8, so that the water tank can be insulated, a driver can be guaranteed to have hot water available at any time, and convenience and rapidness are realized.
Illustratively, the tank base 12 is mounted on the frame rails 15; the cold water tank 1 and the hot water tank 2 are respectively and fixedly arranged on a water tank base 12 through a drawstring 11 and a connecting bolt. The cooling water inlet pipe 6 is connected to the inlet of the heating spiral water pipe 3 through the heating spiral water pipe plugging cover 10. The heating spiral water pipe 3 inside the hot water tank 2 is integrated with the blocking cover 10, so that the installation and the disassembly are convenient, and the accumulated scale on the heating spiral water pipe 3 can be conveniently cleaned.
Further, the cold water tank 1 and the hot water tank 2 have the same capacity of 23L. Whole cold and hot two district water tanks shape is flat, arranges in aftertreatment muffler top, does not occupy the turn around space before the whole car, need not to lengthen the wheel base, does not influence the turning radius of vehicle.
The cold water tank 1 and the hot water tank 2 are respectively made of high-strength and high-temperature-resistant plastics, the light weight is durable, and the water tank cover 9 is designed to be 132mm in large diameter, so that the water tank is convenient to clean, inject water and maintain at a later stage.
The invention provides a temperature-adjustable vehicle-mounted water weighing mechanism suitable for medium and heavy trucks, which when one element or layer is called to be on, connected to or coupled with another element or layer, the temperature-adjustable vehicle-mounted water weighing mechanism can be directly on, connected to or coupled with the other element or layer, and intermediate elements or layers can also be arranged. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The temperature adjustable vehicular water weighing mechanism suitable for medium and heavy duty trucks provided by the present invention may use convenient spatial relative terms such as "under …", "below", "lower", "above", etc. to describe one element or feature's relationship to another element or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
As an embodiment of the present invention, a temperature sensor 25 and a water gauge are further provided inside the hot water tank 2;
the temperature sensor 25 is used for sensing the temperature of water in the hot water tank 2; the water gauge is used for sensing the water storage capacity in the hot water tank 2;
the water gauge and the temperature sensor 25 are respectively connected with the VCU module 24 of the whole vehicle; a display touch screen is arranged inside the cab;
the VCU module 24 of the whole vehicle is connected through a display touch screen, and displays the water temperature and the water storage capacity in the hot water tank 2. The cold water drive pump 21, the hot water drive pump 22, the drive pump 23 and the electromagnetic valve 26 are respectively connected with the VCU module 24 of the whole vehicle; the vehicle VCU module 24 receives a control instruction input by a user, and respectively controls the cold water driving pump 21, the hot water driving pump 22, the driving pump 23 and the electromagnetic valve 26 to operate.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The Display touch screen may include at least one of a Liquid Crystal Display (LCD), a Thin Film Transistor LCD (TFT-LCD), an Organic Light-Emitting Diode (OLED) Display, a flexible Display, a three-dimensional (3D) Display, and the like. Some of these displays may be configured to be transparent to allow a user to see from the outside, which may be referred to as transparent displays, and a typical transparent display may be, for example, a Transparent Organic Light Emitting Diode (TOLED) display or the like.
The entire vehicle VCU module 24 may be implemented using a computer readable medium such as computer software, hardware, or any combination thereof. For hardware implementation, the embodiments described herein may be implemented using at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microcontroller, a microprocessor, and an electronic unit designed to perform the functions described herein, and in some cases, such embodiments may be implemented in a controller. For a software implementation, the implementation such as a process or a function may be implemented with a separate software module that allows performing at least one function or operation. The software codes may be implemented by software applications (or programs) written in any suitable programming language, which may be stored in memory and executed by the controller.
As an embodiment of the present invention, the mechanism further comprises: a drive pump control circuit;
the drive pump control circuit includes: a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, an operational amplifier U1, a capacitor C1 and a triode Q1;
the first end of the resistor R1 is connected with a power supply, and the second end of the resistor R1 is respectively connected with the second end of the resistor R3, the second end of the capacitor C1, the negative electrode input end of the operational amplifier U1 and the first end of the resistor R2; the second end of the resistor R2 is grounded;
the input end of the drive pump control circuit is connected with the control instruction output end of the VCU module 24 of the whole vehicle and the positive input end of the operational amplifier U1; the output end of the operational amplifier U1 is respectively connected with the first end of the resistor R3, the first end of the resistor R4 and the first end of the capacitor C1;
the second end of the resistor R4 is respectively connected with the first end of the resistor R6, the first end of the resistor R7 and the base electrode of the triode Q1;
an emitter of the triode Q1 is respectively connected with the second end of the resistor R6, the first end of the resistor R5 and the power supply;
the second end of the resistor R5 is respectively connected with the collector of the triode Q1 and the output end of the drive pump control circuit;
the output end of the drive pump control circuit is connected to the drive pump 23;
the whole VCU module 24 controls the driving pump 23 to operate, when the water temperature in the hot water tank 2 needs to be increased, the whole VCU module 24 inputs a control signal to the positive input end of the operational amplifier U1, so that the triode Q1 is conducted, the power supply voltage of the driving pump 23 is increased, the rotating speed is increased, the circulation of cooling water in the heating spiral water pipe 3 is accelerated, and the heating efficiency is increased;
when the water temperature in the hot water tank 2 is higher than the preset threshold value, the VCU module 24 of the whole vehicle inputs a control signal to the positive input end of the operational amplifier U1, so that the triode Q1 is cut off, the power supply voltage of the driving pump 23 is reduced, the rotating speed is reduced, and the heating efficiency is reduced.
As an embodiment of the present invention, the mechanism further comprises: a temperature sensing circuit;
the temperature sensing circuit includes: the circuit comprises a resistor R11, a resistor R12, a resistor R13, a resistor R14, a capacitor C2 and an analog-to-digital conversion module U2;
the temperature sensor 25 adopts a PT100 temperature sensor;
the second end of the temperature sensor 25 is connected with the power supply through a resistor R11;
the first end of the temperature sensor 25 is connected with a three-pin of an analog-to-digital conversion module U2;
the third end of the temperature sensor 25, the second end of the resistor R13, the four and five pins of the analog-to-digital conversion module U2 and the second end of the capacitor C2 are respectively grounded;
two pins of the analog-to-digital conversion module U2 are connected with a power supply through a resistor R12;
one pin of the analog-to-digital conversion module U2 is connected with eight pins through a resistor R14;
the seventh pin of the analog-to-digital conversion module U2 and the first end of the capacitor C2 are connected with a power supply;
the analog-to-digital conversion module U2 is connected with the VCU module 24 of the whole vehicle through six pins.
As an embodiment of the present invention, the mechanism further comprises: a solenoid valve control circuit;
the VCU module 24 of the whole vehicle is connected with and controls the electromagnetic valve 26 through an electromagnetic valve control circuit;
the solenoid valve control circuit includes: the temperature control circuit comprises an upper temperature limit adjusting resistor R21, a lower temperature limit adjusting resistor R22, a resistor R23, a resistor R24, an operational amplifier U3, an operational amplifier U4, a thyristor D1 and a triode Q2;
the negative electrode input end of the operational amplifier U3 is respectively connected with the input end of the electromagnetic valve control circuit and the negative electrode input end of the operational amplifier U4;
the positive electrode input end of the operational amplifier U3 is connected with the sliding end of the upper temperature limit adjusting resistor R21;
one end of the temperature upper limit adjusting resistor R21 is connected with a power supply, and the other end is grounded;
the positive electrode input end of the operational amplifier U4 is connected with the sliding end of the temperature lower limit adjusting resistor R22;
one end of the temperature lower limit adjusting resistor R22 is connected with a power supply, and the other end is grounded;
the output end of the operational amplifier U3 is connected with the control end of the thyristor D1 through a resistor R23;
the output end of the operational amplifier U4 is connected with the base electrode of a triode Q2 through a resistor R24;
the emitter of the triode Q2 is grounded; the collector of the triode Q2 is connected with the electromagnetic valve 26 through a thyristor D1;
the user respectively adjusts the upper limit value and the lower limit value of the water temperature of the hot water tank 2 through the upper temperature limit adjusting resistor R21 and the lower temperature limit adjusting resistor R22;
the VCU module 24 of the whole vehicle sends a control level instruction to the electromagnetic valve control circuit every time a preset time length passes, and the control level instruction is compared and calculated by the operational amplifier U3 and the operational amplifier U4 respectively;
when the water temperature of the current hot water tank 2 is lower than the lower limit value set by the temperature lower limit adjusting resistor R22, the thyristor D1 and the triode Q2 are respectively conducted, and the electromagnetic valve is attracted;
the VCU module 24 of the whole vehicle controls the operation of the driving pump, so that cooling water of an engine flows to heat water in the hot water tank 2;
when the water temperature of the current hot water tank 2 is higher than the upper limit value set by the upper temperature limit adjusting resistor R21, the thyristor D1 and the triode Q2 are respectively cut off, and the electromagnetic valve is disconnected;
the VCU module 24 controls the driving pump to stop running and stops heating the water in the hot water tank 2.
According to the invention, a temperature sensor transmits a temperature signal to a VCU module of the whole vehicle, the VCU module of the whole vehicle controls a heating pipeline through a switch of a control electromagnetic valve to realize intelligent temperature control, when the water temperature in a hot water tank 2 is lower than a water temperature value set by a user, the electromagnetic valve opens the heating pipeline to start circulating heating, when the water temperature in the hot water tank 2 is higher than the water temperature value set by the user, the electromagnetic valve closes circulating water in the heating pipeline to stop flowing, the hot water tank 2 stops heating, and the water temperature is ensured to be always at an appropriate temperature.
The temperature adjustable vehicular water weighing mechanism suitable for medium and heavy duty trucks provided by the present invention is the units and algorithm steps of each example described in connection with the embodiments disclosed herein, and can be implemented in electronic hardware, computer software, or a combination of both, and in the above description, the components and steps of each example have been generally described in terms of functions in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an on-vehicle water weighing mechanism of adjustable temperature formula suitable for medium and heavy truck which characterized in that includes: a frame rail (15);
a water mixing valve (5), a cold water tank (1) and a hot water tank (2) are arranged on the frame longitudinal beam (15);
a heating spiral water pipe (3) is arranged in the hot water tank (2);
the inlet of the heating spiral water pipe (3) is connected to the output end of the engine cooling pipe through a cooling water inlet pipe (6); the outlet of the heating spiral water pipe (3) is connected to the input end of the cold water tank (1) through a cooling water outlet pipe; a driving pump and an electromagnetic valve (26) are arranged on the cooling water inlet pipe (6);
the outlet water of the cold water tank (1) is connected with the cold water input end of the water mixing valve (5) through a cold water tank water outlet pipe (13);
the outlet water of the hot water tank (2) is connected with the hot water input end of the water mixing valve (5) through a hot water tank outlet pipe (14);
the output end of the water mixing valve (5) is connected with a water supply pipe.
2. The adjustable temperature vehicle-mounted water weighing mechanism suitable for medium and heavy duty trucks of claim 1,
a cold water driving pump (21) is arranged on a water outlet pipe (13) of the cold water tank;
a hot water driving pump (22) is arranged on a water outlet pipe (14) of the hot water tank.
3. The adjustable temperature vehicle-mounted water weighing mechanism suitable for medium and heavy duty trucks of claim 1,
the cold water tank (1) and the hot water tank (2) are respectively made of high-strength and high-temperature-resistant plastics;
the cold water tank (1) and the hot water tank (2) are respectively provided with a water tank cover (9).
4. The adjustable temperature vehicle-mounted water weighing mechanism suitable for medium and heavy duty trucks of claim 1,
a water tank base (12) is arranged on the frame longitudinal beam (15);
the cold water tank (1) and the hot water tank (2) are fixedly arranged on a water tank base (12) through a drawstring (11) and a connecting bolt respectively.
5. The adjustable temperature vehicle-mounted water weighing mechanism suitable for medium and heavy duty trucks of claim 1,
a heating spiral water pipe plug cover (10) is arranged on the side wall of the hot water tank (2);
the cooling water inlet pipe (6) is connected to the inlet of the heating spiral water pipe (3) through the heating spiral water pipe plugging cover (10).
6. The temperature adjustable vehicular water weighing mechanism for medium and heavy duty trucks of claim 2,
a temperature sensor (25) and a water meter are also arranged in the hot water tank (2);
the temperature sensor (25) is used for sensing the temperature of water in the hot water tank (2); the water gauge is used for sensing the water storage capacity in the hot water tank (2);
the water gauge and the temperature sensor (25) are respectively connected with a VCU module (24) of the whole vehicle;
a display touch screen is arranged inside the cab;
the VCU module (24) of the whole vehicle is connected through a display touch screen, and the water temperature and the water storage capacity in the hot water tank (2) are displayed.
7. The temperature adjustable vehicular water weighing mechanism suitable for medium and heavy duty trucks of claim 6,
the cold water drive pump (21), the hot water drive pump (22), the drive pump (23) and the electromagnetic valve (26) are respectively connected with a VCU module (24) of the whole vehicle;
and the VCU module (24) of the whole vehicle receives a control instruction input by a user and respectively controls the cold water driving pump (21), the hot water driving pump (22), the driving pump (23) and the electromagnetic valve (26) to operate.
8. The temperature adjustable vehicular water weighing mechanism suitable for medium and heavy duty trucks of claim 6,
further comprising: a drive pump control circuit;
the drive pump control circuit includes: a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, an operational amplifier U1, a capacitor C1 and a triode Q1;
the first end of the resistor R1 is connected with a power supply, and the second end of the resistor R1 is respectively connected with the second end of the resistor R3, the second end of the capacitor C1, the negative electrode input end of the operational amplifier U1 and the first end of the resistor R2; the second end of the resistor R2 is grounded;
the input end of the drive pump control circuit is connected with the control instruction output end of a VCU module (24) of the whole vehicle and the positive input end of the operational amplifier U1; the output end of the operational amplifier U1 is respectively connected with the first end of the resistor R3, the first end of the resistor R4 and the first end of the capacitor C1;
the second end of the resistor R4 is respectively connected with the first end of the resistor R6, the first end of the resistor R7 and the base electrode of the triode Q1;
an emitter of the triode Q1 is respectively connected with the second end of the resistor R6, the first end of the resistor R5 and the power supply;
the second end of the resistor R5 is respectively connected with the collector of the triode Q1 and the output end of the drive pump control circuit;
the output end of the drive pump control circuit is connected to the drive pump (23);
the whole VCU module (24) controls the driving pump (23) to operate, when the water temperature in the hot water tank (2) needs to be increased, the whole VCU module (24) inputs a control signal to the positive input end of the transporting and placing device U1, so that the triode Q1 is conducted, the power supply voltage of the driving pump (23) is increased, the rotating speed is increased, the circulation of cooling water in the heating spiral water pipe (3) is accelerated, and the heating efficiency is increased;
when the water temperature in the hot water tank (2) is higher than a preset threshold value, the VCU module (24) of the whole vehicle inputs a control signal to the positive input end of the operational amplifier U1, so that the triode Q1 is cut off, the power supply voltage of the driving pump (23) is reduced, the rotating speed is reduced, and the heating efficiency is reduced.
9. The temperature adjustable vehicular water weighing mechanism suitable for medium and heavy duty trucks of claim 6,
further comprising: a temperature sensing circuit;
the temperature sensing circuit includes: the circuit comprises a resistor R11, a resistor R12, a resistor R13, a resistor R14, a capacitor C2 and an analog-to-digital conversion module U2;
the temperature sensor (25) adopts a PT100 temperature sensor;
the second end of the temperature sensor (25) is connected with the power supply through a resistor R11;
the first end of the temperature sensor (25) is connected with three pins of an analog-to-digital conversion module U2;
the third end of the temperature sensor (25), the second end of the resistor R13, the four and five pins of the analog-to-digital conversion module U2 and the second end of the capacitor C2 are respectively grounded;
two pins of the analog-to-digital conversion module U2 are connected with a power supply through a resistor R12;
one pin of the analog-to-digital conversion module U2 is connected with eight pins through a resistor R14;
the seventh pin of the analog-to-digital conversion module U2 and the first end of the capacitor C2 are connected with a power supply;
the analog-digital conversion module U2 is connected with the VCU module (24) of the whole vehicle through six pins.
10. The temperature adjustable vehicular water weighing mechanism suitable for medium and heavy duty trucks of claim 6,
further comprising: a solenoid valve control circuit;
the VCU module (24) of the whole vehicle is connected with and controls the electromagnetic valve (26) through the electromagnetic valve control circuit;
the solenoid valve control circuit includes: the temperature control circuit comprises an upper temperature limit adjusting resistor R21, a lower temperature limit adjusting resistor R22, a resistor R23, a resistor R24, an operational amplifier U3, an operational amplifier U4, a thyristor D1 and a triode Q2;
the negative electrode input end of the operational amplifier U3 is respectively connected with the input end of the electromagnetic valve control circuit and the negative electrode input end of the operational amplifier U4;
the positive electrode input end of the operational amplifier U3 is connected with the sliding end of the upper temperature limit adjusting resistor R21;
one end of the temperature upper limit adjusting resistor R21 is connected with a power supply, and the other end is grounded;
the positive electrode input end of the operational amplifier U4 is connected with the sliding end of the temperature lower limit adjusting resistor R22;
one end of the temperature lower limit adjusting resistor R22 is connected with a power supply, and the other end is grounded;
the output end of the operational amplifier U3 is connected with the control end of the thyristor D1 through a resistor R23;
the output end of the operational amplifier U4 is connected with the base electrode of a triode Q2 through a resistor R24;
the emitter of the triode Q2 is grounded; the collector of the triode Q2 is connected with the electromagnetic valve (26) through a thyristor D1;
a user respectively adjusts the upper limit value and the lower limit value of the water temperature of the hot water tank (2) through the upper temperature limit adjusting resistor R21 and the lower temperature limit adjusting resistor R22;
the VCU module (24) of the whole vehicle sends a control level instruction to the electromagnetic valve control circuit every time a preset time length passes, and the control level instruction is compared and calculated by the operational amplifier U3 and the operational amplifier U4 respectively;
when the water temperature of the current hot water tank (2) is lower than the lower limit value set by the temperature lower limit adjusting resistor R22, the thyristor D1 and the triode Q2 are respectively conducted, and the electromagnetic valve is attracted;
the VCU module (24) of the whole vehicle controls the operation of the driving pump, so that cooling water of an engine flows to heat water in the hot water tank (2);
when the water temperature of the current hot water tank (2) is higher than the upper limit value set by the upper temperature limit adjusting resistor R21, the thyristor D1 and the triode Q2 are respectively cut off, and the electromagnetic valve is disconnected;
and the VCU module (24) of the whole vehicle controls the driving pump to stop running and stops heating water in the hot water tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110402315.9A CN113043974A (en) | 2021-04-14 | 2021-04-14 | On-vehicle water weighing mechanism of adjustable temperature formula suitable for medium and heavy truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110402315.9A CN113043974A (en) | 2021-04-14 | 2021-04-14 | On-vehicle water weighing mechanism of adjustable temperature formula suitable for medium and heavy truck |
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| CN113043974A true CN113043974A (en) | 2021-06-29 |
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| CN202110402315.9A Pending CN113043974A (en) | 2021-04-14 | 2021-04-14 | On-vehicle water weighing mechanism of adjustable temperature formula suitable for medium and heavy truck |
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|---|---|---|---|---|
| DE4421833A1 (en) * | 1993-01-20 | 1996-01-04 | Esw Extel Systems Wedel Ges Fu | Anti-freezing arrangement for water circulation system of vehicle |
| CN104999973A (en) * | 2014-04-16 | 2015-10-28 | 中国人民解放军68127部队 | Heat-pump-technology-based energy-saving type shower system under outdoor low-temperature environment |
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