CN113898467A - Temperature and pressure double-alarm device of cooling system for vehicle and engine cooling system - Google Patents

Temperature and pressure double-alarm device of cooling system for vehicle and engine cooling system Download PDF

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Publication number
CN113898467A
CN113898467A CN202111010294.2A CN202111010294A CN113898467A CN 113898467 A CN113898467 A CN 113898467A CN 202111010294 A CN202111010294 A CN 202111010294A CN 113898467 A CN113898467 A CN 113898467A
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China
Prior art keywords
temperature
sensor
pressure
engine
cooling system
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Pending
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CN202111010294.2A
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Chinese (zh)
Inventor
王杰
郜俊辉
郭晓明
李兴章
周子煦
丁澳嵘
吴佳
陈雄
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Dongfeng Commercial Vehicle Co Ltd
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Dongfeng Commercial Vehicle Co Ltd
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Priority to CN202111010294.2A priority Critical patent/CN113898467A/en
Publication of CN113898467A publication Critical patent/CN113898467A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00Component parts, details or accessories, not otherwise provided for
    • F02B77/08Safety, indicating or supervising devices
    • F02B77/089Safety, indicating or supervising devices relating to engine temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/14Indicating devices; Other safety devices
    • F01P11/16Indicating devices; Other safety devices concerning coolant temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/14Indicating devices; Other safety devices
    • F01P11/18Indicating devices; Other safety devices concerning coolant pressure, coolant flow, or liquid-coolant level
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00Applications
    • F01P2050/22Motor-cars

Abstract

The utility model relates to a temperature and pressure double-alarm device of a cooling system for a vehicle and an engine cooling system. The temperature of the cooling liquid at the water outlet of the engine is monitored through the temperature sensor, the pressure of the cooling liquid at the water outlet of the engine is monitored through the pressure sensor, the temperature and the pressure of the cooling liquid are verified in a cross mode, multiple protection is achieved, and serious faults of the engine are avoided.

Description

Temperature and pressure double-alarm device of cooling system for vehicle and engine cooling system
Technical Field
The utility model relates to a vehicle engine cooling system, in particular to a temperature and pressure double-alarm device of the vehicle cooling system and the engine cooling system.
Background
The cooling system of the engine circulates the cooling liquid with a certain flow rate between the engine and the radiator, so that the heat load of the engine is in a safe range, and the service life and the reliable work of the engine are ensured. The heat quantity Q taken away by the coolant Q C Δ T (Q, the coolant flow rate of the engine, C, the specific heat capacity, Δ T, the coolant inlet-outlet temperature difference), and when the flow rate Q is normal, the temperature of the engine system (usually, the engine coolant outlet temperature) determines whether the coolant system is operating normally.
The existing engine cooling mainly depends on two schemes of air cooling and water cooling, and the combustion heat of the engine mostly depends on engine cooling liquid to take away the heat. Whether the engine is lack of water is judged by the signal output of the cooling system, and a conventional signal source prompts or gives an alarm according to the effectiveness of a temperature sensor arranged at a cooling liquid outlet of the engine and transmits the prompt or the alarm to an ECU (electronic control Unit) to be transferred to an instrument panel for manual intervention shutdown inspection.
When the flow q of the cooling liquid of the engine is suddenly reduced greatly, even 0, the circulation of the cooling liquid is almost stopped, the internal temperature of the engine is greatly increased, the thermal load is seriously exceeded, the temperature of the cooling liquid outlet of the engine cannot be increased too much and cannot reach an alarm value because the cooling liquid does not flow, at the moment, the engine can have faults such as cylinder pulling damage and the like, but the engine does not give an alarm, and the safety of driving a vehicle is seriously influenced.
Patent (CN112746891A) discloses an engine coolant control system and an engine coolant control method, the engine coolant control system including: an electronic thermostat that controls the coolant line; an atmospheric pressure sensor that detects a current atmospheric pressure; a vehicle sensor group that detects a parameter related to a vehicle; and a control device for calculating a target temperature of the primary coolant of the engine according to the atmospheric pressure sensor and the vehicle sensor group, wherein the control device obtains an atmospheric pressure correction coefficient according to a boiling point value under each atmospheric pressure obtained in advance and a current atmospheric pressure detected by the atmospheric pressure sensor, calculates a final target temperature of the coolant of the engine based on the atmospheric pressure correction coefficient and the target temperature of the primary coolant of the engine, and controls the electronic thermostat based on the final target temperature of the coolant of the engine.
The patent (CN202914168U) discloses an improved engine coolant temperature control device, which comprises an external cooling water circulation system, an engine coolant internal circulation system, an electric controller and a first circulating water pump, wherein a short-pass is arranged on the engine coolant internal circulation system, a first three-way proportional control valve is arranged on the short-pass, the water outlet end of the first three-way proportional control valve is communicated with an engine water inlet, and a temperature sensor is arranged at an engine water return port, and the improved engine coolant temperature control device has the beneficial effects that: the circulating water pump can convey cooling liquid to flow in the whole circulating system, pressure loss caused by overlong pipelines and component pressure intensity can be effectively offset through controlling the rotating speed of the circulating water pump, and the cooling circulating state of an engine in a water tank of a whole vehicle can be better simulated.
The utility model discloses an intelligent heat management system and a control method of an engine (CN105952521A), and relates to the intelligent heat management system and the control method of the engine, which comprises an engine coolant temperature sensor, an inter-cooling intake air temperature sensor and a torque converter oil temperature sensor; the engine coolant temperature sensor comprises a first temperature sensor arranged on the engine body or the cooling pipeline and a second temperature sensor arranged on a radiator of the engine; the intercooler air inlet temperature sensor comprises three sensors arranged on the intercooler body, a fourth sensor arranged on an air inlet pipeline of the engine, an ambient temperature sensor and an atmospheric pressure sensor. The intelligent heat management system for the engine comprises control programs which correspond to each other all the year round one by one, the rotating speed of the cooling fan is controlled according to the ambient temperature and the actual temperature of the cooling system, the system monitors the change of the ambient temperature automatically, the optimal control is matched intelligently, and the fuel consumption is greatly reduced on the premise of ensuring the heat dissipation requirement of the engine.
The utility model discloses an automobile engine temperature and oil pressure overload protection device (CN201250704), which relates to an automobile engine temperature and oil pressure overload protection device and comprises a cooling liquid temperature monitor and an engine oil pressure monitor, wherein a power input end of the cooling liquid temperature monitor is connected with a positive end of an automobile storage battery and a negative end of the automobile storage battery, an output control end of the cooling liquid temperature monitor is connected with an output control end of the engine oil pressure monitor, a power input end of the engine oil pressure monitor is connected with a positive end of the automobile storage battery, a negative end of the automobile storage battery and a live wire of an output end of an automobile generator, and the output control end of the engine oil pressure monitor is further connected with a power inlet end of an automobile fuel electromagnetic valve. The utility model has simple structure and reliable work, and once the temperature of the cooling liquid in the cooling system of the automobile engine exceeds the design temperature of the system or the pressure of the oil in the lubricating oil system of the automobile engine is lower, the power supply of the oil electromagnetic valve of the automobile is automatically cut off immediately, the engine stops working, the cylinder pulling and tile holding faults are avoided, the automobile can not run with the faults, and the hidden danger of the driving accidents is eliminated.
The above patents only detect the temperature of the engine coolant, and lack corresponding detection means for the pressure of the engine water system. When an engine runs and an engine water system is suddenly short of water, the circulation of cooling liquid in the engine water system is almost stopped, the internal temperature of the engine is rapidly increased, and the thermal load seriously exceeds the limit; and because the coolant does not flow, the temperature of the coolant outlet of the engine does not rise too much and does not reach an alarm value, and at the moment, the engine may have faults such as cylinder scuffing damage and the like, but the engine does not give an alarm, thereby seriously influencing the safety of driving the vehicle.
Disclosure of Invention
In order to solve the problems, the utility model provides a temperature and pressure double-alarm device of a cooling system for a vehicle, which can monitor the temperature and the pressure of a cooling liquid outlet of an engine, realize multiple protection and avoid serious faults of the engine.
The technical scheme adopted by the utility model is as follows: the utility model provides a double alarm device of automobile-used cooling system temperature pressure which characterized in that: including the temperature detection mechanism that is used for detecting engine coolant temperature and the pressure measurement mechanism that is used for detecting water pressure in the engine water system, temperature measurement mechanism and pressure measurement mechanism install in equal engine water outlet department.
Preferably, the temperature detection means employs a temperature sensor.
Further, the pressure detection mechanism adopts a pressure sensor.
Furthermore, the temperature sensor and the pressure sensor are compounded into a composite sensor with an integral structure.
Furthermore, the combined type sensor comprises a sensor shell, a temperature sensor and a pressure sensor, wherein the temperature sensor is fixedly arranged in the sensor shell, one end of the temperature sensor penetrates through the sensor shell to be in contact with the cooling liquid at the water outlet of the engine, and the other end of the temperature sensor is connected with the ECU through a cable.
Furthermore, the pressure sensor is fixedly arranged in the sensor shell, one end of the pressure sensor penetrates through the sensor shell to be in contact with cooling liquid at the water outlet of the engine, and the other end of the pressure sensor is connected with the ECU through a cable.
Further, the sensor housing is mounted at the engine water outlet by a screw thread.
Preferably, the temperature sensor and the pressure sensor can be cross-verified, and fault identification is realized through calibration.
Preferably, the temperature sensor and the pressure sensor are independently provided with alarms, and the running state of the engine cooling system is monitored, so that multiple protection is realized, and serious faults of the engine are avoided.
The utility model also provides a vehicle engine cooling system which is provided with the temperature and pressure double-alarm device.
The beneficial effects obtained by the utility model are as follows: the temperature of the cooling liquid at the water outlet of the engine is monitored through the temperature sensor, the pressure of the cooling liquid at the water outlet of the engine is monitored through the pressure sensor, the temperature and the pressure of the cooling liquid are verified in a cross mode, multiple protection is achieved, and serious faults of the engine are avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
reference numerals: 1. a temperature sensor; 2. a pressure sensor; 3. a sensor housing; 4. and (4) threading.
Detailed Description
The utility model is described in further detail below with reference to the figures and the specific embodiments. 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Under normal conditions, when the engine slowly leaks, the cooling liquid flows, the temperature around the combustion chamber of the engine is correlated with the temperature of the water outlet of the engine, the internal temperature of the cooling liquid of the engine can be judged only by arranging a temperature sensor at the water outlet of the engine and monitoring the temperature of the cooling liquid at the water outlet of the engine, and the engine can be shut down directly by alarming through the water temperature sensor. However, in the running process of the engine, when the engine coolant is suddenly and quickly lack of water, the engine coolant hardly flows, the engine runs at a high speed, the heat of the engine cannot be taken away, the ambient temperature of the combustion chamber of the engine can be always increased, the temperature of the coolant at the water outlet of the engine cannot be quickly increased in a short time, even the temperature set by an alarm cannot be reached, and the engine can be locked and damaged due to the fact that the engine cannot be cooled in time and the temperature is too high.
The existing engine cooling liquid only has water temperature alarm at an engine water outlet, in the aspect of finding sudden water shortage and engine water system, some places are cracked, some places are broken, the water system is provided with a pressure water cover, some places are used for a pressure cover with the relative pressure of 1.2 kilograms, if the situation of rupture suddenly occurs, the pressure of the water system can immediately fall down, and the pressure of the water system can be measured to check the pressure of the engine water system.
As shown in figure 1, the temperature and pressure double-alarm device for the cooling system for the vehicle comprises a temperature detection mechanism for detecting the temperature of engine coolant and a pressure detection mechanism for detecting the water pressure in an engine water system, wherein the temperature detection mechanism and the pressure detection mechanism are arranged at a water outlet of an engine.
In one embodiment, the double temperature and pressure alarm device for the cooling system for the vehicle comprises a temperature detection mechanism for detecting the temperature of engine coolant and a pressure detection mechanism for detecting the water pressure in an engine water system, wherein the temperature detection mechanism and the pressure detection mechanism are installed at an engine water outlet. In the present embodiment, the temperature detection mechanism employs the temperature sensor 1.
In one embodiment, the double temperature and pressure alarm device for the cooling system for the vehicle comprises a temperature detection mechanism for detecting the temperature of engine coolant and a pressure detection mechanism for detecting the water pressure in an engine water system, wherein the temperature detection mechanism and the pressure detection mechanism are installed at an engine water outlet. In this embodiment, the temperature detection mechanism employs a temperature sensor 1, and the pressure detection mechanism employs a pressure sensor 2.
In one embodiment, the double temperature and pressure alarm device for the cooling system for the vehicle comprises a temperature detection mechanism for detecting the temperature of engine coolant and a pressure detection mechanism for detecting the water pressure in an engine water system, wherein the temperature detection mechanism and the pressure detection mechanism are installed at an engine water outlet. In the embodiment, the temperature detection mechanism adopts a temperature sensor 1, and the pressure detection mechanism adopts a pressure sensor 2; the temperature sensor 1 and the pressure sensor 2 are compounded into a composite sensor with an integral structure.
In one embodiment, the double temperature and pressure alarm device for the cooling system for the vehicle comprises a temperature detection mechanism for detecting the temperature of engine coolant and a pressure detection mechanism for detecting the water pressure in an engine water system, wherein the temperature detection mechanism and the pressure detection mechanism are installed at an engine water outlet. In the embodiment, the temperature detection mechanism adopts a temperature sensor 1, and the pressure detection mechanism adopts a pressure sensor 2; temperature sensor 1 and pressure sensor 2 compound become the combined type sensor of an integral structure, and the combined type sensor includes sensor housing 3, temperature sensor 1 and pressure sensor 2, and temperature sensor 1 is fixed to be set up in sensor housing 3, and one end passes sensor housing 3 and contacts with engine outlet coolant liquid, and the other end passes through the cable and is connected with ECU.
In one embodiment, the double temperature and pressure alarm device for the cooling system for the vehicle comprises a temperature detection mechanism for detecting the temperature of engine coolant and a pressure detection mechanism for detecting the water pressure in an engine water system, wherein the temperature detection mechanism and the pressure detection mechanism are installed at an engine water outlet. In the embodiment, the temperature detection mechanism adopts a temperature sensor 1, and the pressure detection mechanism adopts a pressure sensor 2; the temperature sensor 1 and the pressure sensor 2 are compounded into a composite sensor with an integral structure, the composite sensor comprises a sensor shell 3, the temperature sensor 1 and the pressure sensor 2, the temperature sensor 1 is fixedly arranged in the sensor shell 3, one end of the temperature sensor 1 penetrates through the sensor shell 3 to be contacted with cooling liquid at a water outlet of an engine, and the other end of the temperature sensor 1 is connected with an ECU (electronic control Unit) through a cable; the pressure sensor 2 is fixedly arranged in the sensor shell 3, one end of the pressure sensor penetrates through the sensor shell 3 to be in contact with cooling liquid at the water outlet of the engine, and the other end of the pressure sensor is connected with the ECU through a cable.
In one embodiment, the double temperature and pressure alarm device for the cooling system for the vehicle comprises a temperature detection mechanism for detecting the temperature of engine coolant and a pressure detection mechanism for detecting the water pressure in an engine water system, wherein the temperature detection mechanism and the pressure detection mechanism are installed at an engine water outlet. In the embodiment, the temperature detection mechanism adopts a temperature sensor 1, and the pressure detection mechanism adopts a pressure sensor 2; the temperature sensor 1 and the pressure sensor 2 are compounded into a composite sensor with an integral structure, the composite sensor comprises a sensor shell 3, the temperature sensor 1 and the pressure sensor 2, the temperature sensor 1 is fixedly arranged in the sensor shell 3, one end of the temperature sensor 1 penetrates through the sensor shell 3 to be contacted with cooling liquid at a water outlet of an engine, and the other end of the temperature sensor 1 is connected with an ECU (electronic control Unit) through a cable; the pressure sensor 2 is fixedly arranged in the sensor shell 3, one end of the pressure sensor penetrates through the sensor shell 3 to be contacted with cooling liquid at the water outlet of the engine, and the other end of the pressure sensor is connected with the ECU through a cable; the sensor housing 3 is mounted at the engine water outlet by a thread 4.
In one embodiment, the double temperature and pressure alarm device for the cooling system for the vehicle comprises a temperature detection mechanism for detecting the temperature of engine coolant and a pressure detection mechanism for detecting the water pressure in an engine water system, wherein the temperature detection mechanism and the pressure detection mechanism are installed at an engine water outlet. In the embodiment, the temperature detection mechanism adopts a temperature sensor 1, and the pressure detection mechanism adopts a pressure sensor 2; the temperature sensor 1 and the pressure sensor 2 are compounded into a composite sensor with an integral structure, the composite sensor comprises a sensor shell 3, the temperature sensor 1 and the pressure sensor 2, the temperature sensor 1 is fixedly arranged in the sensor shell 3, one end of the temperature sensor 1 penetrates through the sensor shell 3 to be contacted with cooling liquid at a water outlet of an engine, and the other end of the temperature sensor 1 is connected with an ECU (electronic control Unit) through a cable; the pressure sensor 2 is fixedly arranged in the sensor shell 3, one end of the pressure sensor penetrates through the sensor shell 3 to be contacted with cooling liquid at the water outlet of the engine, and the other end of the pressure sensor is connected with the ECU through a cable; the sensor housing 3 is mounted at the engine water outlet by a thread 4. The temperature sensor 1 and the pressure sensor 2 can be cross-verified, and fault identification is realized through calibration.
In one embodiment, the double temperature and pressure alarm device for the cooling system for the vehicle comprises a temperature detection mechanism for detecting the temperature of engine coolant and a pressure detection mechanism for detecting the water pressure in an engine water system, wherein the temperature detection mechanism and the pressure detection mechanism are installed at an engine water outlet. In the embodiment, the temperature detection mechanism adopts a temperature sensor 1, and the pressure detection mechanism adopts a pressure sensor 2; the temperature sensor 1 and the pressure sensor 2 are compounded into a composite sensor with an integral structure, the composite sensor comprises a sensor shell 3, the temperature sensor 1 and the pressure sensor 2, the temperature sensor 1 is fixedly arranged in the sensor shell 3, one end of the temperature sensor 1 penetrates through the sensor shell 3 to be contacted with cooling liquid at a water outlet of an engine, and the other end of the temperature sensor 1 is connected with an ECU (electronic control Unit) through a cable; the pressure sensor 2 is fixedly arranged in the sensor shell 3, one end of the pressure sensor penetrates through the sensor shell 3 to be contacted with cooling liquid at the water outlet of the engine, and the other end of the pressure sensor is connected with the ECU through a cable; the sensor housing 3 is mounted at the engine water outlet by a thread 4. The temperature sensor 1 and the pressure sensor 2 can be cross-verified, and fault identification is realized through calibration; the temperature sensor 1 and the pressure sensor 2 are independently set to alarm, and simultaneously monitor the running state of the engine cooling system, so that multiple protection is realized, and serious faults of the engine are avoided.
The utility model also provides a vehicle engine cooling system which is provided with a temperature and pressure double-alarm device, wherein the temperature and pressure double-alarm device comprises a temperature detection mechanism for detecting the temperature of the cooling liquid of the engine and a pressure detection mechanism for detecting the water pressure in the water system of the engine, and the temperature detection mechanism and the pressure detection mechanism are arranged at the water outlet of the engine. In the embodiment, the temperature detection mechanism adopts a temperature sensor 1, and the pressure detection mechanism adopts a pressure sensor 2; the temperature sensor 1 and the pressure sensor 2 are compounded into a composite sensor with an integral structure, the composite sensor comprises a sensor shell 3, the temperature sensor 1 and the pressure sensor 2, the temperature sensor 1 is fixedly arranged in the sensor shell 3, one end of the temperature sensor 1 penetrates through the sensor shell 3 to be contacted with cooling liquid at a water outlet of an engine, and the other end of the temperature sensor 1 is connected with an ECU (electronic control Unit) through a cable; the pressure sensor 2 is fixedly arranged in the sensor shell 3, one end of the pressure sensor penetrates through the sensor shell 3 to be contacted with cooling liquid at the water outlet of the engine, and the other end of the pressure sensor is connected with the ECU through a cable; the sensor housing 3 is mounted at the engine water outlet by a thread 4. The temperature sensor 1 and the pressure sensor 2 can be cross-verified, and fault identification is realized through calibration; the temperature sensor 1 and the pressure sensor 2 are independently set to alarm, and simultaneously monitor the running state of the engine cooling system, so that multiple protection is realized, and serious faults of the engine are avoided.
The foregoing shows and describes the general principles and principal structural features of the present invention. The present invention is not limited to the above examples, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the claimed invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Here, it should be noted that the description of the above technical solutions is exemplary, the present specification may be embodied in different forms, and should not be construed as being limited to the technical solutions set forth herein. Rather, these descriptions are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the technical solution of the present invention is limited only by the scope of the claims.
The shapes, sizes, ratios, angles, and numbers disclosed to describe aspects of the specification and claims are examples only, and thus, the specification and claims are not limited to the details shown. In the following description, when a detailed description of related known functions or configurations is determined to unnecessarily obscure the focus of the present specification and claims, the detailed description will be omitted.
Where the terms "comprising", "having" and "including" are used in this specification, there may be another part or parts unless otherwise stated, and the terms used may generally be in the singular but may also be in the plural.
It should be noted that although the terms "first," "second," "top," "bottom," "side," "other," "end," "other end," and the like may be used and used in this specification to describe various components, these components and parts should not be limited by these terms. These terms are only used to distinguish one element or section from another element or section. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with the top and bottom elements being interchangeable or switchable with one another, where appropriate, without departing from the scope of the present description; the components at one end and the other end may be of the same or different properties to each other.
In describing positional relationships, for example, when positional sequences are described as being "on.. above", "over.. below", "below", and "next", unless such words or terms are used as "exactly" or "directly", they may include cases where there is no contact or contact therebetween. If a first element is referred to as being "on" a second element, that does not mean that the first element must be above the second element in the figures. The upper and lower portions of the member will change depending on the angle of view and the change in orientation. Thus, in the drawings or in actual construction, if a first element is referred to as being "on" a second element, it can be said that the first element is "under" the second element and the first element is "over" the second element. In describing temporal relationships, unless "exactly" or "directly" is used, the description of "after", "subsequently", and "before" may include instances where there is no discontinuity between steps. The features of the various embodiments of the present invention may be partially or fully combined or spliced with each other and performed in a variety of different configurations as would be well understood by those skilled in the art. Embodiments of the utility model may be performed independently of each other or may be performed together in an interdependent relationship.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the utility model is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.

Claims (10)

1. The utility model provides a double alarm device of automobile-used cooling system temperature pressure which characterized in that: including the temperature detection mechanism that is used for detecting engine coolant temperature and the pressure measurement mechanism that is used for detecting water pressure in the engine water system, temperature measurement mechanism and pressure measurement mechanism install in equal engine water outlet department.
2. The dual temperature and pressure alarm device for the vehicle cooling system according to claim 1, wherein: the temperature detection mechanism adopts a temperature sensor.
3. The dual temperature and pressure alarm device for the vehicle cooling system according to claim 2, wherein: the pressure detection mechanism adopts a temperature sensor.
4. The dual temperature and pressure alarm device for the vehicular cooling system according to claim 3, wherein: the temperature sensor and the pressure sensor are compounded into a composite sensor with an integral structure.
5. The dual temperature and pressure alarm device for the vehicular cooling system according to claim 4, wherein: the composite sensor comprises a sensor shell, a temperature sensor and a pressure sensor, wherein the temperature sensor is fixedly arranged in the sensor shell, one end of the temperature sensor penetrates through the sensor shell to be in contact with cooling liquid at the water outlet of the engine, and the other end of the temperature sensor is connected with the ECU through a cable.
6. The dual temperature and pressure alarm device for the vehicular cooling system according to claim 5, wherein: the pressure sensor is fixedly arranged in the sensor shell, one end of the pressure sensor penetrates through the sensor shell to be in contact with cooling liquid at the water outlet of the engine, and the other end of the pressure sensor is connected with the ECU through a cable.
7. The cooling system temperature and pressure double warning device for the vehicle as claimed in any one of claim 6, wherein: the sensor shell is installed at the water outlet of the engine through threads.
8. The dual temperature and pressure alarm device for the vehicle cooling system according to claim 1, wherein: the temperature sensor and the pressure sensor can be cross-verified, and fault identification is achieved through calibration.
9. The dual temperature and pressure alarm device for the vehicle cooling system according to claim 1, wherein: the temperature sensor and the pressure sensor are independently set for alarming, and meanwhile, the running state of the engine cooling system is monitored, so that multiple protection is realized.
10. An engine cooling system for a vehicle, characterized in that: the temperature and pressure double-alarm device is as claimed in any one of claims 1 to 9.
CN202111010294.2A 2021-08-31 2021-08-31 Temperature and pressure double-alarm device of cooling system for vehicle and engine cooling system Pending CN113898467A (en)

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CN202111010294.2A CN113898467A (en) 2021-08-31 2021-08-31 Temperature and pressure double-alarm device of cooling system for vehicle and engine cooling system

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CN202111010294.2A CN113898467A (en) 2021-08-31 2021-08-31 Temperature and pressure double-alarm device of cooling system for vehicle and engine cooling system

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CN209326986U (en) * 2018-12-28 2019-08-30 中国第一汽车股份有限公司 A kind of cylinder pressure sensor constant temperature and pressure control device
CN211174311U (en) * 2019-06-28 2020-08-04 山推工程机械股份有限公司 Operation processing device of engine water cooling system
CN112031919A (en) * 2020-08-20 2020-12-04 东风商用车有限公司 Engine cooling system with double alarm functions and control method

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Application publication date: 20220107