阅读说明：本技术 一种柴油机的压力测量装置及方法 (Pressure measuring device and method for diesel engine ) 是由 钱贵军 吉承成 刘新辉 李国华 于 2020-07-30 设计创作，主要内容包括：本发明公开了一种柴油机的压力测量装置及方法,涉及压力测量技术领域,该柴油机的压力测量装置及方法,包括测试阀块,所述测试阀块包括压力测量进口、球阀、压力测量出口和压力测试接口,压力测量进口与被测压力源连接,球阀设置在压力测量进口和压力测量出口之间,压力测量出口与压力测量设备连接,压力测试接口设置在球阀与压力测量出口之间,压力测试接口与压力校验设备连接。本发明通过设置测试阀块、压力测量进口、球阀、压力测量出口和压力测试接口,解决了采用传统的柴油机压力测量装置对柴油机进行压力测量过程中不能在线对压力测量设备进行校验工作,导致操作步骤复杂繁琐、隐性影响因素较多、影响柴油机压力测量准确性的问题。(The pressure measuring device comprises a test valve block, wherein the test valve block comprises a pressure measuring inlet, a ball valve, a pressure measuring outlet and a pressure testing interface, the pressure measuring inlet is connected with a pressure source to be measured, the ball valve is arranged between the pressure measuring inlet and the pressure measuring outlet, the pressure measuring outlet is connected with pressure measuring equipment, the pressure testing interface is arranged between the ball valve and the pressure measuring outlet, and the pressure testing interface is connected with pressure checking equipment. The pressure measuring device comprises a pressure measuring valve block, a pressure measuring inlet, a ball valve, a pressure measuring outlet and a pressure measuring interface, wherein the pressure measuring valve block is arranged on the pressure measuring valve block, the pressure measuring inlet is arranged on the pressure measuring valve block, the ball valve is arranged on the pressure measuring outlet, and the pressure measuring device is arranged on the pressure measuring valve block.)

1. The utility model provides a pressure measurement device of diesel engine, includes test valve piece (1), its characterized in that: the testing valve block (1) comprises a pressure measuring inlet (2), a ball valve (3), a pressure measuring outlet (4) and a pressure testing interface (5), the pressure measuring inlet (2) is connected with a tested pressure source (6), the ball valve (3) is arranged between the pressure measuring inlet (2) and the pressure measuring outlet (4), the pressure measuring outlet (4) is connected with a pressure measuring device (7), the pressure testing interface (5) is arranged between the ball valve (3) and the pressure measuring outlet (4), and the pressure testing interface (5) is connected with a pressure checking device (8);

a pressure measurement method of a diesel engine is characterized in that: the method comprises the following steps:

s1, installing a pressure measuring device: connecting and installing a pressure measurement inlet (2), a ball valve (3), a pressure measurement outlet (4), a pressure test interface (5) and the test valve block (1) of the test valve block (1), a pressure measurement device (7) and a pressure verification device (8) according to a plan;

s2, tightness detection: through a water pressure test, connecting the pressure measurement inlet (2) with a test water source, and detecting the tightness of the connection installation of the pressure measurement device;

s3, installing a pressure measuring device: connecting a pressure measurement inlet (2) of the test valve block (1) to a pressure source (6) to be tested to complete the installation of the whole pressure measurement device;

s4, pressure measurement: keeping the pressure testing interface (5) normally closed, opening the ball valve (3), and communicating the pressure measuring inlet (2) with the ball valve (3), the pressure measuring outlet (4) and the pressure measuring equipment (7) so as to measure the pressure;

s5, equipment verification: and closing the ball valve (3), opening the pressure testing interface (5), and communicating the pressure checking equipment (8) with the pressure testing interface (5) and the pressure measuring equipment (7), so that the pressure measuring equipment (7) can be checked on line.

2. The pressure measuring device and method of the diesel engine according to claim 1, characterized in that: the pressure measuring device (7) comprises a pressure gauge (71), a pressure sensor (72), a pressure switch (73) and a pressure controller (74).

3. The pressure measuring device and method of the diesel engine according to claim 1, characterized in that: in step S2, a colored pigment may be added to the test water source.

4. The pressure measuring device and method of the diesel engine according to claim 1, characterized in that: the test valve block (1) comprises a plurality of groups of pressure measurement inlets (2), ball valves (3), pressure measurement outlets (4) and pressure test interfaces (5), each group of pressure measurement inlets (2), ball valves (3), pressure measurement outlets (4) and pressure test interfaces (5) are mutually independent, and a plurality of groups of pressure measurement inlets (2), pressure measurement outlets (4) and pressure test interfaces (5) are respectively connected with tested pressure sources (6), pressure measurement equipment (7) and pressure verification equipment (8).

5. The pressure measuring device and method of the diesel engine according to claim 1, characterized in that: the test valve block (1) comprises a pressure measurement inlet (2), a plurality of groups of ball valves (3), a pressure measurement outlet (4) and a pressure test interface (5), wherein the pressure measurement inlet (2) is connected with the plurality of ball valves (3).

6. The pressure measuring device and method of the diesel engine according to claim 1, characterized in that: the ball valve (3) comprises a first ball valve (31) and a plurality of second ball valves (32), the testing valve block (1) comprises a pressure measuring inlet (2), a first ball valve (31), a pressure testing interface (5) and a plurality of pressure measuring outlets (4), the two ball valves (32) are arranged at the front ends of the pressure testing interface (5) and the pressure measuring outlets (4) respectively, and the first ball valve (31) is arranged between the pressure measuring inlet (2) and the second ball valves (32).

Technical Field

The invention relates to the technical field of pressure measurement, in particular to a pressure measurement device and method of a diesel engine.

Background

The pressure of media such as compressed air, lubricating oil, water and the like is required to be measured in the working process of the diesel engine, and measuring points are distributed at different positions and are connected to a measured pressure source end through pipelines, so that the working safety and the operation reliability of the diesel engine are ensured.

At present, the mode can not realize on-line verification of the pressure measurement equipment in the running state of the diesel engine, the diesel engine is stopped, the pressure measurement equipment is detached again for verification, and the pressure measurement equipment is installed again after verification, so that the whole operation steps are more, the problems of more hidden influence factors, complex operation steps and influence on the accuracy of pressure measurement of the diesel engine are caused.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a pressure measuring device and a pressure measuring method of a diesel engine, and solves the problems that the operation steps are complicated, hidden influence factors are more, and the pressure measuring accuracy of the diesel engine is influenced because the pressure measuring equipment cannot be checked on line in the pressure measuring process of the diesel engine by adopting the traditional pressure measuring device of the diesel engine.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pressure measurement device of diesel engine, includes the test valve piece, the test valve piece includes pressure measurement import, ball valve, pressure measurement export and pressure test interface, the pressure measurement import is connected with the pressure source of being surveyed, the ball valve sets up between pressure measurement import and pressure measurement export, the pressure measurement export is connected with pressure measurement equipment, the pressure test interface sets up between ball valve and pressure measurement export, the pressure test interface is connected with pressure verification equipment.

A pressure measuring method of a diesel engine comprises the following steps:

s1, installing a pressure measuring device: and connecting and installing a pressure measurement inlet, a ball valve, a pressure measurement outlet and a pressure test interface of the test valve block, and the test valve block, the pressure measurement equipment and the pressure verification equipment according to a plan.

S2, tightness detection: through the water pressure test, be connected pressure measurement import and test water source, detect the leakproofness that pressure measurement device connects the installation.

S3, installing a pressure measuring device: and connecting a pressure measurement inlet of the test valve block to a pressure source to be measured to complete the installation of the whole pressure measurement device.

S4, pressure measurement: and keeping the pressure testing interface normally closed, opening the ball valve, and communicating the pressure measuring inlet with the ball valve, the pressure measuring outlet and the pressure measuring equipment, so that the pressure measuring work can be carried out.

S5, equipment verification: and closing the ball valve, opening the pressure testing interface, and communicating the pressure checking equipment with the pressure testing interface and the pressure measuring equipment, so that the pressure measuring equipment can be checked on line.

Preferably, the pressure measuring device comprises a pressure gauge, a pressure sensor, a pressure switch and a pressure controller.

Preferably, in step S2, a colored pigment may be added to the test water source.

Preferably, the test valve block comprises a plurality of groups of pressure measurement inlets, ball valves, pressure measurement outlets and pressure test interfaces, the pressure measurement inlets, the ball valves, the pressure measurement outlets and the pressure test interface channels are mutually independent, and the pressure measurement inlets, the pressure measurement outlets and the pressure test interfaces are respectively connected with the pressure source to be tested, the pressure measurement equipment and the pressure verification equipment.

Preferably, the test valve block comprises a pressure measurement inlet and a plurality of groups of ball valves, a pressure measurement outlet and a pressure test interface, and the pressure measurement inlet is connected with the plurality of ball valves.

Preferably, the ball valve comprises a first ball valve and a plurality of second ball valves, the test valve block comprises a pressure measurement inlet, a first ball valve, a pressure test interface and a plurality of pressure measurement outlets, the plurality of second ball valves are respectively arranged at the front ends of the pressure test interface and the plurality of pressure measurement outlets, and the first ball valve is arranged between the pressure measurement inlet and the second ball valves.

(III) advantageous effects

The invention provides a pressure measuring device and method of a diesel engine, which have the following beneficial effects:

the invention sets a test valve block, a pressure measurement inlet, a ball valve, a pressure measurement outlet and a pressure test interface, after the test valve block is connected and installed with a pressure measurement device and a pressure check device and the tightness detection is qualified, the pressure test interface is kept normally closed, the ball valve is opened, the pressure measurement inlet is communicated with the ball valve, the pressure measurement outlet and the pressure measurement device, the pressure measurement work can be carried out, the ball valve is closed, the pressure test interface is opened, the pressure check device is communicated with the pressure test interface and the pressure measurement device, the pressure measurement device check work can be carried out on line under the condition that the diesel engine keeps working without shutdown, the effects of simple operation process, no need of dismounting the pressure measurement device, hidden influence factor reduction and pressure measurement accuracy improvement are achieved, the problem that the pressure measurement device can not be checked on line in the pressure measurement process of the diesel engine by adopting the traditional diesel engine pressure measurement device is solved, the problems that the operation steps are complicated, the hidden influence factors are more, and the pressure measurement accuracy of the diesel engine is influenced are caused.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of an embodiment of the present invention;

FIG. 3 is a schematic diagram of a second embodiment of the present invention;

FIG. 4 is a diagram of a second model according to the embodiment of the present invention;

FIG. 5 is a schematic diagram of the third embodiment of the present invention;

FIG. 6 is a diagram of a three-model of the present invention.

In the figure: 1. testing the valve block; 2. a pressure measurement inlet; 3. a ball valve; 31. a first ball valve; 32. a ball valve II; 4. a pressure measurement outlet; 5. a pressure test interface; 6. measuring a pressure source; 7. a pressure measurement device; 71. a pressure gauge; 72. a pressure sensor; 73. a pressure switch; 74. a pressure controller; 8. a pressure verification device; 9. a diesel engine.

Detailed Description

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.