Measuring device for engine
Technical Field
The utility model belongs to the technical field of engines, and particularly relates to a measuring device for an engine.
Background
The intake pressure and the intake temperature of an intake manifold of an engine are one of important parameters affecting the performance of the engine in an intake system of the engine, and the intake temperature and the intake pressure of the intake manifold need to be measured in real time in a special test and a endurance test of the engine.
At present, measurement data of an intake manifold are all required to be measured through a sensor, namely, the intake pressure of the intake manifold is required to be measured through a pressure sensor, the intake temperature of the intake manifold is required to be measured through a temperature sensor, and two holes are respectively drilled in the intake manifold in advance for installation of the pressure sensor and the temperature sensor, and then the pressure sensor and the temperature sensor are respectively arranged in through holes of the intake manifold. However, such a manner of drilling holes in the intake manifold may not only damage the structural strength of the intake manifold, but may also affect the sealability of the intake manifold, resulting in reduced engine performance.
Therefore, how to design a measuring device capable of avoiding damaging the structural strength of the intake manifold and ensuring the tightness of the intake manifold is a technical problem to be solved by those skilled in the art.
Disclosure of utility model
In view of the above, the present utility model aims to provide a measuring device for an engine, so as to solve the above-mentioned problems.
In order to achieve the purpose, the utility model provides the following technical scheme that the intelligent air inlet device comprises a sleeve body, a connecting part which is arranged on one side of the sleeve body and can be installed on an air inlet manifold, and a pressure sensor and a temperature sensor which are arranged on the other side of the sleeve body and are used for measuring the air inlet pressure and the air inlet temperature of the air inlet manifold, wherein a channel used for communicating the sleeve body with the air inlet manifold is arranged on the connecting part, and a probe of the temperature sensor can penetrate through the sleeve body and the channel and extend into the air inlet manifold.
Further, the connecting portion comprises a plug arranged on one side of the sleeve body, the plug is provided with a channel for communicating the air inlet manifold with the sleeve body, and the air inlet manifold is provided with a jack which is connected with the plug in a matched mode.
Further, the cross section of the plug is in a circular ring shape.
Further, a sealing gasket is sleeved on the plug.
Further, the outer diameter of the plug is smaller than the outer diameter of the sleeve body.
Further, an extension pipe communicated with the sleeve body is further arranged on the sleeve body, and a first fixing piece used for fixedly mounting the pressure sensor is arranged on the extension pipe.
Further, the axial direction of the extension pipe is perpendicular to the axial direction of the sleeve body.
Further, a second fixing piece used for being fixedly installed with the temperature sensor is arranged on the sleeve body.
Further, the sleeve body and the extension pipe are integrally formed.
The utility model has the advantages that compared with the prior art, the sleeve body is arranged, the connecting part is arranged on one side of the sleeve body, the communication between the sleeve body and the air inlet manifold is realized through the channel of the connecting part, the pressure sensor and the temperature sensor are arranged on the other side of the sleeve body, when the connecting part is arranged on the air inlet manifold, the sleeve body is communicated with the air inlet manifold, so that the pressure and the temperature of the air inlet manifold can be detected through the pressure sensor and the temperature sensor, and the measuring device is arranged, so that a plurality of holes can be reduced on the air inlet manifold, the tightness of the air inlet manifold is ensured, the structural strength of the air inlet manifold is prevented from being damaged, and the performance of an engine is further improved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present utility model more clear, the present utility model provides the following drawings for description:
FIG. 1 is a schematic diagram of a measuring device for an engine according to an embodiment of the present utility model;
fig. 2 is an exploded view of a measuring device for an engine according to an embodiment of the present utility model.
Reference numerals:
1-a sleeve body;
2-connecting part, 21-channel, 22-plug;
3-a pressure sensor;
4-temperature sensor, 41-probe;
5-extension tube;
6-first fixing piece, 61-nut, 62-boss;
7-second fixing piece.
Detailed Description
As shown in fig. 1 to 2, the present embodiment proposes a measuring device for an engine, comprising a casing body 1, a connecting portion 2 is provided on one side of the casing body 1, the connecting portion 2 is capable of mounting the casing body 1 on an intake manifold, a pressure sensor 3 and a temperature sensor 4 for measuring intake pressure and intake temperature of the intake manifold are provided on the other side of the casing body 1, a passage 21 is provided on the connecting portion 2, the passage 21 is capable of communicating with the casing body 1 and the intake manifold, and a probe 41 of the temperature sensor 4 is capable of penetrating through the casing body 1 and the passage to extend into the intake manifold. The sleeve body 1 is communicated with the air inlet manifold through the channel 21 of the connecting part 2, the pressure sensor 3 and the temperature sensor 4 are arranged on the other side of the sleeve body 1, when the connecting part 2 is arranged on the air inlet manifold, the sleeve body 1 is communicated with the air inlet manifold, so that the pressure sensor 3 and the temperature sensor 4 can be used for detecting the pressure and the temperature of the air inlet manifold, a plurality of holes are formed in the air inlet manifold through the measuring device, the tightness of the air inlet manifold is ensured, the structural strength of the air inlet manifold is prevented from being damaged, and the performance of an engine is improved.
Further, referring to fig. 1, the connection portion 2 includes a plug 22, the plug 22 is provided with the channel 21, the intake manifold is provided with a jack, and the plug 22 is connected with the jack in a matching manner. In this way, through the mode of inserting the plug 22 and the jack, the connection and the installation of the sleeve body 1 and the air inlet manifold are conveniently realized, and the tightness between the sleeve body 1 and the air inlet manifold can be ensured.
The working principle of the embodiment is that the sleeve body 1 is communicated with an air inlet manifold through the matching connection of the plug 2 and the jack of the air inlet manifold, the pressure sensor 3 and the temperature sensor 4 are used for detecting the pressure and the temperature of the air inlet manifold, so that the air inlet pressure and the air inlet temperature of the air inlet manifold can be obtained, and a probe of the temperature sensor 4 can penetrate through the sleeve body 1 and a channel to extend into the air inlet manifold, so that the temperature in the air inlet manifold can be detected.
Preferably, the cross section of the plug 22 is provided in the shape of a circular ring. Thus, the cutting processing can be facilitated and the processing efficiency can be improved by arranging the cutting processing device into a circular ring shape.
Preferably, the plug 22 is also provided with a gasket (not shown). By providing a gasket, the tightness between the plug 22 and the jack can be further ensured, and the tightness of the intake manifold can be improved.
Further, referring to fig. 1, the outer diameter of the plug 22 is smaller than the outer diameter of the sleeve body. Thus, when the plug 22 is inserted into the insertion hole of the intake manifold, the intake manifold can be abutted with the sleeve body 1, the intake manifold is further plugged by the sleeve body 1, the tightness of the intake manifold is further ensured, and the air leakage of the intake manifold is avoided.
Further, referring to fig. 1, the sleeve body 1 is further provided with an extension tube 5 in communication with the extension tube 5, and the extension tube 5 is provided with a first fixing member 6, and the first fixing member 6 can be used to fix the pressure sensor 3 to the extension tube 5. By arranging the extension pipe 5, the pressure sensor 3 can be arranged on the extension pipe 5, so that the mutual interference between the pressure sensor 3 and the temperature sensor 4 can be avoided, and the detection accuracy is ensured.
Preferably, referring to fig. 2, the first fixing member 6 includes a nut 61 and a boss 62, the boss 62 is hollow, and the boss 62 is disposed on a side of the nut 61 facing the sleeve body 1. In this way, the pressure sensor 3 is screwed to the pressure sensor 3 by the nut 61, and the boss 62 is inserted into the extension pipe 5, so that the pressure sensor 3 can be mounted on the extension pipe 5. Preferably, the nut 61 is welded to the boss 62, thereby enhancing the coupling force between the nut 61 and the boss 62 and improving the service life of the first fixing member 6.
Preferably, in the present embodiment, the axial direction of the extension pipe 5 is perpendicular to the axial direction of the sleeve body 1. The extension pipe 5 and the sleeve body 1 are vertically distributed, so that the mutual interference between the pressure sensor 3 and the temperature sensor 4 can be effectively avoided. Of course, in the present embodiment, the axial direction of the extension pipe 5 may be disposed at other angles with respect to the axial direction of the sleeve body 1 according to practical situations and specific requirements, which is not limited herein.
Further, referring to fig. 1, the sleeve body 1 is provided with a second fixing member 7, and the second fixing member 7 can be used for fixedly mounting the temperature sensor 4 on the sleeve body 1. In the present application, the structure of the second fixing member 7 may be the same as that of the first fixing member 6, or threads may be provided at both ends of the second fixing member 7, and the temperature sensor 4 may be mounted on the casing body 1 by threaded connection.
In the application, the pressure sensor 3 and the temperature sensor 4 can be fixedly installed on the extension pipe 5 and the sleeve body 1 respectively by arranging the first fixing piece 6 and the second fixing piece 7, thereby facilitating the installation and the disassembly of the pressure sensor 3 and the temperature sensor 4.
Preferably, the sleeve body 1 is integrally formed with the extension pipe, so that the structural strength of the measuring device can be ensured, and the overall stability of the measuring device can be improved.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.