CN208012790U - A kind of automobile engine dynamic testing power instrument - Google Patents
A kind of automobile engine dynamic testing power instrument Download PDFInfo
- Publication number
- CN208012790U CN208012790U CN201820432014.4U CN201820432014U CN208012790U CN 208012790 U CN208012790 U CN 208012790U CN 201820432014 U CN201820432014 U CN 201820432014U CN 208012790 U CN208012790 U CN 208012790U
- Authority
- CN
- China
- Prior art keywords
- engine
- control unit
- single chip
- chip control
- liquid crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of automobile engine dynamic testing power instrument, it is characterised in that：Structure includes that host machine part, cooling-water temperature transmitter and the engine speed sensor of engine dynamometer are constituted, and wherein the host machine part of engine dynamometer carries out integrated form by keyboard, single chip control unit, liquid crystal display and battery；Cooling-water temperature transmitter and engine speed sensor are connect by data line with single chip control unit A/D interfaces, realize the transmission of signal.Technical solution described in the utility model passes through with single chip control unit core in order to control and Engine Coolant Temperature Sensor is added carries out temperature detection so that accuracy in detection higher；Specific engine power value is calculated in single chip control unit, and is shown engine power using liquid crystal display.The structure design of the utility model is reasonable simultaneously and simple, it is easy to accomplish, it is suitble to promote and apply.
Description
Technical field
Of the invention and a kind of automobile engine dynamic testing power instrument.
Background technology
Engine power is to reflect the important parameter of engine performance, and automobile engine power detection is broadly divided into two kinds：
Engine steady state measurement of power and engine dynamic testing power.
Engine steady state measurement of power measuring accuracy is high, but needs to disassemble engine from automobile and be mounted on measurement of power
On device, while stable state measurement of power needs large-scale chassis dynamometer, thus stable state survey only universities and colleges, scientific research institutions apply compared with
It is more, it is used in automotive check, maintenance company less.
Engine dynamic testing power mode is relatively simple, in automotive check, maintenance industry using relatively broad, engine at present
Some equipment item for being single use of dynamic testing power instrument, but existing individual event dynamic testing power instrument type is less, and big portion
It is mostly pointer-type to divide test equipment display mode, and display precision is limited.Another part is integrated in engine performance analyzer
In, it because of its higher price, while needing to connect more circuit, promotes and acquire a certain degree of difficulty in maintenance company, be based on this, devise
A detecting instrument with display screen, the apparatus structure is simple, easy to operate, at low cost.
Utility model content
The goal of the invention of the utility model is：In view of the above problems, a kind of engine with display screen is provided
Dynamic testing power instrument, apparatus structure is simple, is easily achieved, at low cost.
To achieve the above object, the utility model provides the following technical solutions：A kind of automobile engine dynamic testing power instrument,
It is characterized in that：Structure includes host machine part, cooling-water temperature transmitter and the engine speed sensor structure of engine dynamometer
At the host machine part of wherein engine dynamometer is integrated by keyboard, single chip control unit, liquid crystal display and battery
Composition；Cooling-water temperature transmitter and engine speed sensor are connect by data line with single chip control unit A/D interfaces,
Realize the transmission of signal.
Preferably, the keyboard is connect by connecting line with single chip control unit, single chip control unit and liquid crystal
Display is connected by connector, and battery is supplied to single chip control unit, liquid crystal display, keyboard respectively respectively by circuit
Electricity.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：It is described in the utility model
Technical solution with single chip control unit core in order to control, examined into trip temperature by the way that Engine Coolant Temperature Sensor is added
It surveys so that accuracy in detection higher；Specific engine power value is calculated in single chip control unit, and utilizes liquid crystal
Show that device shows engine power.The structure design of the utility model is reasonable simultaneously and simple, it is easy to accomplish, suitable popularization is answered
With.
Description of the drawings
Fig. 1 is the utility model structure connection relationship diagram；
It is marked in figure：1- host machine parts；11- keyboards；12- single chip control units；13- liquid crystal displays；14- batteries；
2- cooling-water temperature transmitters；3- engine speed sensors.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
As shown, a kind of automobile engine dynamic testing power instrument, it is characterised in that：Structure includes the master of engine dynamometer
Machine part (1), cooling-water temperature transmitter (2) and engine speed sensor (3) are constituted, wherein the host of engine dynamometer
Portion (1) point carries out integrated form by keyboard (11), single chip control unit (12), liquid crystal display (13) and battery (14)；
Cooling-water temperature transmitter (2) and engine speed sensor (3) pass through data line and single chip control unit (12) A/D interfaces
Connection, realizes the transmission of signal.
Preferably, the keyboard (11) is connect by connecting line with single chip control unit (12), microcontroller control is single
First (12) are connect with liquid crystal display (13) by connector, and battery (14) gives single chip control unit respectively by circuit
(12), liquid crystal display (13), keyboard (14) are powered respectively.
Preferably, the cooling-water temperature transmitter (2) is mounted on oil level gauge of engine mouth, it is in direct contact with machine oil,
Measure real time temperature.
Preferably, institute's engine speed sensor (3) is clipped on automotive high voltage line, engine speed is detected in real time, and
Tach signal is transmitted to single chip control unit (12), the work(of engine is then calculated by single chip control unit (12)
Rate, and include on liquid crystal display (13) in a manner of being shown by number.
Preferably, the keyboard (11) connect with single chip control unit, turn for input engine before testing
Dynamic inertia.
When work, with single chip control unit (12) core in order to control, passes through and Engine Coolant Temperature Sensor is added
(2) temperature detection is carried out so that accuracy in detection higher；Engine speed sensor signal, keyboard are obtained in microcontroller (12)
The rotary inertia and acceleration time signal of input calculate specific engine power value, and utilize liquid crystal display (13)
Engine power is shown；The structure design of the utility model is reasonable simultaneously and simple, it is easy to accomplish, it is suitble to promote and apply.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (2)
1. a kind of automobile engine dynamic testing power instrument, it is characterised in that：Structure includes the host machine part of engine dynamometer, cooling
Liquid temperature sensor and engine speed sensor are constituted, and the host machine part of wherein engine dynamometer is by keyboard, microcontroller
Control unit, liquid crystal display and battery carry out integrated composition；Cooling-water temperature transmitter and engine speed sensor pass through
Data line is connect with single chip control unit A/D interfaces, realizes the transmission of signal.
2. a kind of automobile engine dynamic testing power instrument according to claim 1, it is characterised in that：The keyboard passes through connection
Line is connect with single chip control unit, and single chip control unit is connect with liquid crystal display by connector, and battery passes through circuit
It powers respectively to single chip control unit, liquid crystal display, keyboard respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820432014.4U CN208012790U (en) | 2018-03-28 | 2018-03-28 | A kind of automobile engine dynamic testing power instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820432014.4U CN208012790U (en) | 2018-03-28 | 2018-03-28 | A kind of automobile engine dynamic testing power instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208012790U true CN208012790U (en) | 2018-10-26 |
Family
ID=63891055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820432014.4U Expired - Fee Related CN208012790U (en) | 2018-03-28 | 2018-03-28 | A kind of automobile engine dynamic testing power instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208012790U (en) |
-
2018
- 2018-03-28 CN CN201820432014.4U patent/CN208012790U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20190328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |