CN212318165U - Engine cylinder temperature measuring device - Google Patents
Engine cylinder temperature measuring device Download PDFInfo
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- CN212318165U CN212318165U CN202020895464.4U CN202020895464U CN212318165U CN 212318165 U CN212318165 U CN 212318165U CN 202020895464 U CN202020895464 U CN 202020895464U CN 212318165 U CN212318165 U CN 212318165U
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- temperature sensor
- engine cylinder
- temperature
- probe
- glow plug
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Abstract
The utility model provides an engine cylinder temperature measuring device, includes glow plug and the inside temperature sensor who sets up thereof, sets up the probe department that communicates temperature sensor on the glow plug and the outside passageway of glow plug, and the glow plug is through the first screw thread that sets up on its outer wall and engine fixed connection, and temperature sensor passes through the wire and is connected with external equipment. The design not only does not need to additionally arrange a mounting and fixing structure, but also has low manufacturing cost, safety and reliability.
Description
Technical Field
The utility model belongs to the technical field of automobile engine measures, concretely relates to engine cylinder temperature measuring device.
Background
Temperature is a parameter that often needs to be tested in practical applications. Particularly, in the process of upgrading and developing the emission of a diesel engine, the heat load of the engine directly influences the economy and reliability of the engine, the strength of parts and the like, and each subsystem of the engine needs a large number of temperature sensors of different types to measure and collect temperature signals of each system part so as to help to analyze development parameter setting of each subsystem, material selection of parts and components or directly participate in combustion control calculation of the engine and the like. When the temperature of an engine cylinder is measured by the conventional engine temperature detection device, a mounting and fixing structure of the conventional engine temperature detection device needs to be correspondingly additionally arranged on the engine.
Disclosure of Invention
The utility model aims at overcoming the above-mentioned problem that prior art exists, provide an engine cylinder temperature measuring device who need not to add installation fixed knot and construct.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the engine cylinder temperature measuring device comprises a preheating plug and a temperature sensor arranged in the preheating plug, wherein a channel for communicating a probe of the temperature sensor with the outside of the preheating plug is formed in the preheating plug, the preheating plug is fixedly connected with an engine through a first thread arranged on the outer wall of the preheating plug, and the temperature sensor is connected with external equipment through a wire.
The glow plug comprises a housing and a heating tube which are coaxially connected.
The temperature sensor is positioned in the shell, a probe of the temperature sensor is arranged close to the heating tube, and the channel is a groove formed in the shell.
The outer wall of the temperature sensor is provided with second threads matched with the inner wall of the shell, a probe of the temperature sensor extends to the inside of the heating tube, and the channel is a plurality of vent holes formed in the heating tube close to the probe of the temperature sensor.
The temperature sensor is a temperature pressure sensor.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to an engine cylinder temperature measuring device, which comprises a preheating plug and a temperature sensor arranged in the preheating plug, wherein the preheating plug is provided with a channel communicated with the probe of the temperature sensor and the outer part of the preheating plug, the preheating plug is fixedly connected with an engine through a first thread arranged on the outer wall of the preheating plug, the temperature sensor is connected with external equipment through a wire, when in measurement, gas in an engine cylinder enters the probe of the temperature sensor through the channel, and the temperature sensor measures the temperature of the gas, the design utilizes the shape modification of the engine preheating plug to obtain the temperature measuring device for the temperature measurement of the engine cylinder, not only can directly utilize the original preheating plug installation part of the engine to install and fix the preheating plug, does not need to add other installation and fixing structures, but also has lower manufacturing cost, and simultaneously, the working performance of the preheating plug can not generate adverse effect on the running of, is safe and reliable. Therefore, the utility model discloses not only need not to add installation fixed knot and construct, low, the safe and reliable of cost of manufacture moreover.
2. The utility model relates to an engine cylinder temperature measuring device both can select the less temperature sensor of optional test temperature scope, arrange its probe in the inside position that is close to the heating tube of shell, thereby realize the measurement of engine cylinder lid department temperature, in order to provide the measured data that can evaluate cylinder lid cooling capacity, also can choose the great temperature sensor of temperature range for use, it is fixed with the inner wall of shell through screw thread, and the probe extends to the inside of heating tube, thereby realize the temperature measurement in the engine cylinder, this design can be through adjusting the position of arranging of built-in temperature sensor, choose the temperature sensor of chooseing for use the different grade type to measure the temperature between different regions, the flexibility is high. Therefore, the utility model discloses a measure the flexibility high.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure, a glow plug 1, a passage 11, a first screw 12, a housing 13, a heating tube 14, a temperature sensor 2, a second screw 21, and a lead wire 3.
Detailed Description
The present invention will be further described with reference to the following detailed description and accompanying drawings.
Referring to fig. 1 and 2, the engine cylinder temperature measuring device comprises a glow plug 1 and a temperature sensor 2 arranged inside the glow plug 1, wherein a channel 11 for communicating a probe of the temperature sensor 2 with the outside of the glow plug 1 is formed in the glow plug 1, the glow plug 1 is fixedly connected with an engine through a first thread 12 arranged on the outer wall of the glow plug, and the temperature sensor 2 is connected with external equipment through a wire 4.
The glow plug 1 comprises a housing 13 and a heating tube 14 which are coaxially connected.
The temperature sensor 2 is located inside the casing 13, a probe of the temperature sensor 2 is arranged close to the heating tube 14, and the channel 11 is a groove formed in the casing 13.
The outer wall of the temperature sensor 2 is provided with a second thread 21 matched with the inner wall of the shell 13, the probe of the temperature sensor 2 extends into the heating tube 14, and the channel 11 is a plurality of vent holes formed in the heating tube 14 and close to the probe of the temperature sensor 2.
The temperature sensor 2 is a temperature pressure sensor.
Example 1:
referring to fig. 1, an engine cylinder temperature measuring device comprises a glow plug 1 and a temperature sensor 2 arranged inside the glow plug 1, wherein the glow plug 1 comprises a shell 13 and a heating tube 14 which are coaxially connected, the temperature sensor 2 is positioned inside the shell 13 and is fixed by mixing insulating powder and high-temperature glue inside the glow plug 1, a probe of the temperature sensor 2 is arranged close to the heating tube 14, a channel 11 which is communicated with the probe of the temperature sensor 2 and the outside of the glow plug 1 is arranged on the shell 13, the channel 11 is a groove arranged on the shell 13, the glow plug 1 is fixedly connected with an engine through a first thread 12 arranged on the outer wall of the glow plug, and the temperature sensor 2 is connected with external equipment through a wire 4.
Example 2:
referring to fig. 2, the structure is different from that described in embodiment 1 in that:
the temperature sensor 2 is a temperature pressure sensor and is in threaded connection with the inner wall of the shell 13 through a second thread 21 arranged on the outer wall, a probe of the temperature sensor 2 extends into the heating tube 14, and the channel 11 is a plurality of vent holes formed in the heating tube 14 and close to the periphery of the probe of the temperature sensor 2.
Claims (5)
1. An engine cylinder temperature measuring device characterized in that:
the measuring device comprises a preheating plug (1) and a temperature sensor (2) arranged inside the preheating plug, a probe communicated with the temperature sensor (2) and a channel (11) outside the preheating plug (1) are formed in the preheating plug (1), the preheating plug (1) is fixedly connected with an engine through a first thread (12) arranged on the outer wall of the preheating plug, and the temperature sensor (2) is connected with external equipment through a wire (3).
2. An engine cylinder temperature measuring apparatus according to claim 1, characterized in that: the glow plug (1) comprises a housing (13) and a heating tube (14) which are coaxially connected.
3. An engine cylinder temperature measuring apparatus according to claim 2, characterized in that: the temperature sensor (2) is positioned in the shell (13), a probe of the temperature sensor (2) is arranged close to the heating tube (14), and the channel (11) is a groove formed in the shell (13).
4. An engine cylinder temperature measuring apparatus according to claim 2, characterized in that: the outer wall of the temperature sensor (2) is provided with a second thread (21) matched with the inner wall of the shell (13), the probe of the temperature sensor (2) extends to the inside of the heating tube (14), and the channel (11) is a plurality of vent holes formed in the heating tube (14) and close to the probe of the temperature sensor (2).
5. An engine cylinder temperature measuring apparatus according to claim 4, characterized in that: the temperature sensor (2) is a temperature pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020895464.4U CN212318165U (en) | 2020-05-25 | 2020-05-25 | Engine cylinder temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020895464.4U CN212318165U (en) | 2020-05-25 | 2020-05-25 | Engine cylinder temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212318165U true CN212318165U (en) | 2021-01-08 |
Family
ID=74021653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020895464.4U Active CN212318165U (en) | 2020-05-25 | 2020-05-25 | Engine cylinder temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212318165U (en) |
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2020
- 2020-05-25 CN CN202020895464.4U patent/CN212318165U/en active Active
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