CN210834176U - Loading test system for engine bench test - Google Patents
Loading test system for engine bench test Download PDFInfo
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- CN210834176U CN210834176U CN201921488189.8U CN201921488189U CN210834176U CN 210834176 U CN210834176 U CN 210834176U CN 201921488189 U CN201921488189 U CN 201921488189U CN 210834176 U CN210834176 U CN 210834176U
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- loading system
- engine
- power steering
- loading
- steering pump
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Abstract
The utility model discloses a loading test system for engine bench test, loading test system include air conditioner loading system, power steering pump loading system, electron load system and vacuum pump loading system, and air conditioner loading system, power steering pump loading system, electron load system and vacuum pump loading system all are connected with the engine to make engine drive air conditioner loading system, power steering pump loading system, electron load system and vacuum pump loading system work. According to the utility model discloses a loading test system can more truly simulate the operating condition of engine in the car when the engine pedestal is experimental to the operating parameter of engine is confirmed to the accuracy.
Description
Technical Field
The utility model relates to a vehicle manufacturing field particularly, relates to a load test system for engine bench test.
Background
In the related art, an engine front end accessory and a gear train system generally comprise a belt, a tension pulley, an idler pulley and driving wheels of all accessories, torque output by a crankshaft pulley is transmitted to the driving wheels of all accessories through the belt, certain rotation speed loss, namely slip rate, is inevitably existed in the torque transmitted by means of friction force of the belt, tension of the belt can be increased by increasing tension of the tension pulley, and excessive tension of the belt can not only reduce service lives of the belt and the driving wheels, but also increase mechanical loss of an engine, so that determination of belt specification and tension is important content in engine gear train development, and determination of characteristic parameters (including belt vibration amount, tension pulley amplitude and the like) of the front end gear train is a basis of shaking development.
In order to determine the working reliability of the engine and the working parameters of the engine, a bench test needs to be carried out on the engine, the existing bench test of the engine uses a working machine to do work to simulate the load in an actual vehicle, the difference from the actual situation is large, the reliability of the engine cannot be accurately verified, and the working parameters of the engine cannot be accurately determined.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides an at least to a certain extent can more accurately confirm the loading test system of the operating parameter of engine.
According to load test system, including air conditioner loading system, power steering pump loading system, electron load system and vacuum pump loading system, air conditioner loading system power steering pump loading system electron load system with vacuum pump loading system all is connected with the engine, so that engine drive air conditioner loading system power steering pump loading system electron load system with vacuum pump loading system work.
According to loading test system, can more truly simulate the operating condition of engine in the car when the engine pedestal is experimental to the operating parameter of accurate definite engine.
According to the utility model discloses a load test system, load test system still includes: the air conditioner loading system, the power steering pump loading system, the electronic load system and the vacuum pump loading system are all installed on the installation frame.
Further, the air conditioning loading system is disposed around the mounting frame outside of the mounting frame.
Optionally, the power steering pump loading system is mounted at the bottom of the mounting frame.
Optionally, the electronic load system is mounted on top of the mounting frame.
Optionally, the vacuum pump loading system is mounted inside the mounting frame.
Optionally, the power steering pump loading system comprises: a power steering pump, the engine adapted to power the power steering pump, the air conditioning loading system comprising: an air conditioning compressor, the engine further adapted to power the air conditioning compressor, the electronic load system comprising: an electric motor, the engine further adapted to power the electric motor, the vacuum pump loading system comprising: a vacuum pump, the engine further adapted to power the vacuum pump.
Further, the power steering pump loading system further comprises: the opening degree of the proportional valve is adjustable so as to change the oil pressure output by the power steering pump by the power steering oil tank and further change the load borne by the power steering pump, and the air conditioning loading system further comprises: evaporimeter, liquid storage pot, expansion valve, thermostatic water tank, condenser, fan, air conditioner loading system is suitable for through the fan is bloied, electronic load system still includes: an electronic load and a battery, the battery and the motor adapted to collectively power the electronic load, the vacuum pump loading system further comprising: a vacuum tank, a control valve and a third pressure sensor for measuring the pressure in the vacuum tank, the control valve being adapted to open the vacuum valve in dependence of feedback from the third pressure sensor.
Further, the power steering pump loading system further comprises: first pressure sensor and temperature sensor, air conditioner loading system still includes: a second pressure sensor for determining a refrigerant charge amount, the electronic load system further comprising: and the power generation indicator lamp is used for indicating the work of the motor.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic diagram illustrating an internal structure of a loading test system for an engine bench test according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating an internal structure of a power steering pump loading system according to an embodiment of the present invention;
fig. 3 is a schematic connection diagram of an internal structure of an air conditioner loading system according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating the internal structure of an electronic load system according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating an internal structure of a vacuum pump loading system according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a loading test system according to an embodiment of the present invention.
Reference numerals:
the system comprises a loading test system 100, an air conditioner loading system 1, an air conditioner compressor 11, an evaporator 12, a liquid storage tank 13, an expansion valve 14, a constant temperature water tank 15, a condenser 16, a fan 17, a second pressure sensor 18, a power steering pump loading system 2, a power steering pump 21, a proportional valve 22, a power steering oil tank 23, a first pressure sensor 24, a temperature sensor 25, a safety overflow valve 26, a filter 27, a first interface 28, a second interface 29, an electronic load system 3, a motor 31, an electronic load 32, a storage battery 33, a power generation indicator lamp 34, a vacuum pump loading system 4, a vacuum pump 41, a vacuum tank 42, a control valve 43, a third pressure sensor 44, a mounting frame 5 and an engine 200.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "top", "bottom", "inner", "outer", and the like refer to orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The invention is described below with reference to specific embodiments in conjunction with the accompanying drawings.
A load test system 100 according to an embodiment of the present invention will be described first with reference to fig. 1-6.
As shown in fig. 1-6, the loading test system 100 of the embodiment of the present invention may include an air conditioning loading system 1, a power steering pump loading system 2, an electronic loading system 3 and a vacuum pump loading system 4, where the air conditioning loading system 1 is used to simulate the operation of an air conditioning system actually operating in a vehicle, the power steering pump loading system 2 is used to simulate the operation of a power steering system actually operating in a vehicle, the vacuum pump loading system 4 is used to simulate the operation of a vacuum pump 41 system actually operating in a vehicle, and the electronic loading system 3 is used to simulate the operation of an electric component actually operating in a vehicle (for example, an electric component such as a display screen).
When the engine 200 is used for bench test, the air-conditioning loading system 1, the power steering pump loading system 2, the electronic loading system 3 and the vacuum pump loading system 4 are all connected with the engine 200, so that the engine 200 drives the air-conditioning loading system 1, the power steering pump loading system 2, the electronic loading system 3 and the vacuum pump loading system 4 to work. In other words, the engine 200 is started to provide power sources for the air conditioning loading system 1, the power steering pump loading system 2, the electronic loading system 3, and the vacuum pump loading system 4. Therefore, the working operation condition of the engine 200 in the actual vehicle can be truly simulated, the reliability of the engine 200 can be accurately verified, and the working parameters of the engine 200 can be accurately determined.
In some optional embodiments of the present invention, as shown in fig. 6, the load test system 100 further includes: the mounting frame 5, the air conditioner loading system 1, the power steering pump loading system 2, the electronic loading system 3 and the vacuum pump loading system 4 are all mounted on the mounting frame 5. Therefore, the mounting frame 5 can provide mounting points for the air-conditioning loading system 1, the power steering pump loading system 2, the electronic load system 3 and the vacuum pump loading system 4, so that the air-conditioning loading system 1, the power steering pump loading system 2, the electronic load system 3 and the vacuum pump loading system 4 can be reliably mounted in the engine 200 bench test, and the engine 200 bench test can be conveniently carried out.
Specifically, as shown in fig. 6, since the number of pipelines of the air conditioning loading system 1 is large and the occupied space is large, the air conditioning loading system 1 is disposed around the mounting frame 5 outside the mounting frame 5, that is, the air conditioning loading system 1 is mounted on the non-top and non-bottom side portions of the mounting frame 5, so that the pipelines of the air conditioning loading system 1 can be conveniently arranged around the mounting frame 5, and the arrangement of the air conditioning loading system 1 is convenient.
Specifically, as shown in fig. 6, the steering pump loading system 2 is mounted on the bottom of the mounting frame 5. The power steering pump loading system 2 can be installed at the bottom of the outer side of the installation frame 5, and also can be installed at the bottom of the inner side of the installation frame 5, so that the engine oil leaked by the power steering pump loading system 2 in the working process can be prevented from polluting other loading systems.
Specifically, as shown in fig. 6, the electronic load system 3 is mounted on top of the mounting frame 5. Therefore, heat-generating components such as the generator 31 in the electronic load system 3 are convenient to dissipate heat, and the components of the electronic load system 3 are ensured to work normally.
Specifically, as shown in fig. 6, the vacuum pump loading system 4 is installed inside the mounting frame 5. Therefore, the vacuum pump loading system 4 is not easy to interfere with other loading systems, and the arrangement and the work of the vacuum pump loading system 4 are convenient.
Specifically, the engine 200 may be connected to the air conditioning loading system 1, the power steering pump loading system 2, the electronic loading system 3, and the vacuum pump loading system 4 mounted on the mounting frame 5 outside the mounting frame 5 when the bench test is performed.
Alternatively, as shown in fig. 2, the steering pump loading system 2 includes: the power steering pump 21, the power steering pump 21 can be a power steering pump used for realizing vehicle steering in a vehicle, and when the engine 200 performs a bench test, the engine 200 can be connected with the power steering pump 21 to provide power for the power steering pump 21 so as to simulate the operation of a steering system of an actual vehicle.
As shown in fig. 3, the air conditioning loading system 1 includes: the air conditioner compressor 11, the air conditioner compressor 11 can be the air conditioner compressor who is used for realizing temperature regulation in the vehicle, and when engine 200 carried out bench test, engine 200 can be connected with air conditioner compressor 11 and provide power to air conditioner compressor 11 to the air conditioner system work of simulation actual vehicle.
As shown in fig. 4, the electronic load system 3 includes: the motor 31, the motor 31 can be a generator for providing electric energy for electric elements of the vehicle, and when the engine 200 is subjected to a bench test, the engine 200 is also connected with the motor 31 to provide power for the motor 31 so as to simulate the power supply of the motor 31 for the electric elements in the actual vehicle.
As shown in fig. 5, the vacuum pump loading system 4 includes: the vacuum pump 41, the engine 200 is further adapted to power the vacuum pump 41. The vacuum pump 41 may be a vacuum pump 41 for providing assistance in a vehicle (e.g. a vacuum pump 41 in a vehicle braking system), and the engine 200 is further connected to the vacuum pump 41 for powering the vacuum pump 41 to simulate the operation of the vacuum pump 41 system in an actual vehicle when the engine 200 is subjected to bench testing.
Specifically, as shown in fig. 2, the power steering pump loading system 2 further includes: the opening degree of the proportional valve 22 is adjustable to change the oil pressure output by the power steering oil tank 23 to the power steering pump 21, so as to change the load on the power steering pump 21, the power steering oil tank 23 is used for providing the oil pressure to the power steering pump 21, and the opening degree of the proportional valve 22 is changed to change the steering force of the power steering pump loading system 2, so that the power steering pump loading system 2 can simulate the running conditions of a vehicle under different working conditions.
As shown in fig. 3, the air conditioning loading system 1 further includes: the air-conditioning loading system 1 is suitable for blowing air through the fan 17, the evaporator 12, the liquid storage tank 13, the expansion valve 14, the constant-temperature water tank 15 and the condenser 16 have the same functions as corresponding components in an actual air-conditioning pipeline, and the process of adjusting the temperature of the air-conditioning loading system 1 belongs to the conventional technical means in the field and is not detailed herein. Therefore, the air conditioning loading system 1 can enable the fan 17 to blow out wind with different temperatures, so that the air conditioning loading system 1 can simulate the running conditions of the vehicle under different working conditions.
As shown in fig. 4, the electronic load system 3 further includes: the electronic load 32 and the storage battery 33, the storage battery 33 and the motor 31 are suitable for jointly supplying power to the electronic load 32, and the motor 31 and the storage battery 33 can be connected in parallel or in series, so that the power supply situation of electric elements in the vehicle can be further simulated. The electronic load device 32 can simulate the consumption of electric components in the vehicle. The electronic load device 32 may be a power consumption device such as a working machine, and by changing the output power of the electronic load device 32, power consumption elements with different output powers may be simulated, so that the electronic load system 3 may simulate the running conditions of the vehicle under different working conditions.
As shown in fig. 5, the vacuum pump loading system 4 further includes: a vacuum tank 42, a control valve 43 and a third pressure sensor 44, the third pressure sensor 44 being arranged to measure the pressure in the vacuum tank 42, the control valve 43 being adapted to open the vacuum valve in dependence of feedback from the third pressure sensor 44. Thus, the control valve 43 automatically controls the vacuum valve to adjust the vacuum degree in the vacuum tank 42 according to the vacuum degree of the vacuum tank 42. Thus, the electronic load system 3 can simulate the running conditions of the vehicle under different working conditions.
Specifically, as shown in fig. 2, after the pressure in the loading system pipeline of the power steering pump increases, the oil temperature in the loading system pipeline of the power steering pump increases, and the high-temperature oil temperature may damage the loading system pipeline of the power steering pump. Thus, the steering pump loading system 2 further includes: the first pressure sensor 24 is used for monitoring the oil pressure in the steering pump loading system pipeline, and the temperature sensor 25 is used for monitoring the temperature in the steering pump loading system pipeline, so that the phenomenon that the steering pump loading system pipeline is damaged due to the fact that the temperature or the pressure in the steering pump loading system pipeline is increased can be avoided.
As shown in fig. 3, the air conditioning loading system 1 further includes: and a second pressure sensor 18 for judging the refrigerant filling amount, wherein the second pressure sensor 18 can detect the refrigerant pressure in the pipeline of the air conditioning loading system to judge whether the refrigerant filling amount of the air conditioning is in a required range or not so as to ensure that the air conditioning loading system 1 works under a specified load.
As shown in fig. 4, the electronic load system 3 further includes: and a power generation indicator lamp 34 for indicating the operation of the motor 31. When the motor 31 is operated, the power generation indicator lamp 34 is turned on. Thereby, the person can understand the operating condition of the electronic load system 3.
Specifically, as shown in fig. 3, the steering power pump loading system 2 further includes a safety overflow valve 26, a filter 27, a first connector 28, and a second connector 29, where the safety overflow valve 26 is opened to release pressure when the oil pressure in the steering power pump loading system pipeline is too high, the filter 27 is used to filter impurities in the oil in the steering power pump loading system pipeline, and the first connector 28 and the second connector 29 are respectively connected to two sides of the steering power pump 21, so that the engine 200 is connected to the steering power pump 21 through the first connector 28 and the second connector 29.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. A load testing system for engine bench testing, comprising: the air conditioner loading system, the power steering pump loading system, the electronic loading system and the vacuum pump loading system are all connected with an engine, so that the engine drives the air conditioner loading system, the power steering pump loading system, the electronic loading system and the vacuum pump loading system to work.
2. The load testing system for engine bench testing of claim 1, further comprising: the air conditioner loading system, the power steering pump loading system, the electronic load system and the vacuum pump loading system are all installed on the installation frame.
3. The load testing system for engine bench testing of claim 2, wherein the air conditioning loading system is disposed around the mounting frame outside of the mounting frame.
4. The load testing system for an engine bench test of claim 2, wherein the power steering pump loading system is mounted at a bottom of the mounting frame.
5. The load testing system for engine bench testing of claim 2, wherein the electrical load system is mounted on top of the mounting frame.
6. The load testing system for engine bench testing of claim 2, wherein the vacuum pump loading system is mounted inside the mounting frame.
7. The loading test system for an engine bench test of claim 1, wherein the power steering pump loading system comprises: a power steering pump, the engine adapted to power the power steering pump;
the air conditioner loading system includes: an air conditioning compressor, the engine further adapted to power the air conditioning compressor;
the electronic load system includes: an electric machine, the engine further adapted to power the electric machine;
the vacuum pump loading system includes: a vacuum pump, the engine further adapted to power the vacuum pump.
8. The loading test system for an engine bench test of claim 7, wherein the power steering pump loading system further comprises: the opening of the proportional valve is adjustable so as to change the oil pressure output by the power steering oil tank to the power steering pump and further change the load borne by the power steering pump;
the air conditioner loading system further includes: the air conditioner loading system is suitable for blowing air through the fan;
the electronic load system further includes: an electronic loader and a battery, the battery and the motor adapted to collectively power the electronic loader;
the vacuum pump loading system further comprises: a vacuum tank, a control valve and a third pressure sensor for measuring the pressure in the vacuum tank, the control valve being adapted to open the vacuum tank in dependence of feedback from the third pressure sensor.
9. The loading test system for an engine bench test of claim 8, wherein the power steering pump loading system further comprises: a first pressure sensor and a temperature sensor;
the air conditioner loading system further includes: a second pressure sensor for judging the refrigerant filling amount;
the electronic load system further includes: and the power generation indicator lamp is used for indicating the work of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921488189.8U CN210834176U (en) | 2019-09-06 | 2019-09-06 | Loading test system for engine bench test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921488189.8U CN210834176U (en) | 2019-09-06 | 2019-09-06 | Loading test system for engine bench test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210834176U true CN210834176U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921488189.8U Expired - Fee Related CN210834176U (en) | 2019-09-06 | 2019-09-06 | Loading test system for engine bench test |
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| CN (1) | CN210834176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196786A (en) * | 2020-09-29 | 2021-01-08 | 哈尔滨东安汽车动力股份有限公司 | Test method for checking mechanical vacuum pump carried on automobile engine |
-
2019
- 2019-09-06 CN CN201921488189.8U patent/CN210834176U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196786A (en) * | 2020-09-29 | 2021-01-08 | 哈尔滨东安汽车动力股份有限公司 | Test method for checking mechanical vacuum pump carried on automobile engine |
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Granted publication date: 20200623 Termination date: 20210906 |