阅读说明：本技术 一种低损耗温压复合传感器接气嘴 (Low-loss temperature and pressure composite sensor air connecting nozzle ) 是由 张元鹏 张文光 郑思来 李国伟 唐帅 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种低损耗温压复合传感器接气嘴,包括单向阀阀芯、单向阀阀体、控制阀阀芯、控制阀阀体、温压感应芯体、螺栓；所述单向阀阀体的一端与所述控制阀阀体的一端连接,所述温压感应芯体位于所述控制阀阀体的安装槽内；所述温压感应芯体采集被测气体的温度、压力；所述单向阀阀芯的一端与所述控制阀阀芯的一端连接,所述控制阀阀芯的另一端与螺栓连接。本技术方案中,在控制阀阀体内安装槽内设有温压感应芯体,在气体进入控制阀阀芯、控制阀阀体的内部通道时,能够对气体的温度、压力进行一起检测,实现多参数的测量功能；且温压感应芯体位于控制阀阀体内部,减弱外部环境对该部件在测试过程中的干扰程度。(The invention discloses a low-loss temperature and pressure composite sensor air connecting nozzle which comprises a one-way valve core, a one-way valve body, a control valve core, a control valve body, a temperature and pressure sensing core and a bolt, wherein the one-way valve core is arranged on the one-way valve body; one end of the check valve body is connected with one end of the control valve body, and the warm-pressing sensing core body is positioned in the mounting groove of the control valve body; the temperature and pressure sensing core body collects the temperature and pressure of the gas to be detected; one end of the check valve core is connected with one end of the control valve core, and the other end of the control valve core is connected with the bolt. In the technical scheme, a temperature and pressure sensing core body is arranged in the mounting groove in the control valve body, so that when gas enters the valve core of the control valve and the internal channel of the control valve body, the temperature and the pressure of the gas can be detected together, and the multi-parameter measurement function is realized; and the warm-pressing sensing core body is positioned in the control valve body, so that the interference degree of the external environment to the component in the test process is weakened.)

1. The utility model provides a low-loss temperature and pressure composite sensor meets air cock which characterized in that: the temperature and pressure sensing valve comprises a one-way valve core (1), a one-way valve body (2), a control valve core (6), a control valve body (8), a temperature and pressure sensing core body (13) and a bolt (11);

one end of the check valve body (2) is connected with one end of the control valve body (8), and an internal channel of the check valve body (2) is communicated with an internal channel of the control valve body (8);

the check valve core (1) is positioned in an internal channel of the check valve body (2), the control valve core (6) is positioned in an internal channel of the control valve body (8), and the internal channel of the control valve core (6) is communicated with the internal channel of the check valve core (1);

the warm-pressing sensing core body (13) is positioned in an installation groove of the control valve body (8); the temperature and pressure sensing core body (13) collects the temperature and pressure of the gas to be detected;

one end of the check valve core (1) is connected with one end of the control valve core (6), and the other end of the control valve core (6) is connected with a bolt (11);

and rotating the bolt (11) to drive the valve core (6) of the control valve to move axially, further pushing the valve core (1) of the one-way valve to move axially, so that the valve core (1) of the one-way valve is opened, and the detected gas enters the mounting groove of the valve body (8) of the control valve through the internal channel of the valve body (2) of the one-way valve.

2. The low-loss temperature-pressure composite sensor air tap according to claim 1, characterized in that: one end of the check valve core (1) and one end of the check valve body (2) are both connected with a tested airtight system (15);

the valve core (1) of the one-way valve is opened, and the gas to be detected in the gas tight system (15) to be detected enters the internal channel of the valve body (2) of the one-way valve.

3. The low-loss temperature-pressure composite sensor air tap according to claim 1, characterized in that: the other end of the one-way valve core (1) is provided with a first nut (3), and the step surface of the control valve core (6) is provided with a universal plug seal (5) and is fixed through a second nut (4).

4. The low-loss temperature-pressure composite sensor air tap according to any one of claims 1 to 3, characterized in that: and a sealing ring (10) is arranged in an outer annular groove of the control valve core (6).

5. The low-loss temperature-pressure composite sensor air tap according to claim 4, characterized in that: the number of the sealing rings (10) is more than or equal to two, and the sealing rings are positioned in an internal channel of the control valve body (8).

6. The low-loss temperature-pressure composite sensor air tap according to claim 5, characterized in that: the other end of the control valve spool (6) is in threaded connection with the bolt (11), the other end of the control valve body (8) is in threaded connection with an end cover (12), and the end cover (12) is used for limiting the position of the bolt (11).

7. The low-loss temperature-pressure composite sensor air tap according to claim 6, characterized in that: the check valve body (2) is connected with the control valve body (8) through threads, and a copper pad (7) is arranged on the step surface of the inner cavity of the control valve body (8).

8. The low-loss temperature-pressure composite sensor air tap according to claim 1, characterized in that: the outside of control valve body (8) is equipped with bleed valve (9), bleed valve (9) with control valve body (8) threaded connection.

9. The low-loss temperature-pressure composite sensor air tap according to claim 1, characterized in that: the temperature and pressure sensing core body (6) is connected with a signal wire (14);

the signal line (14) is used for outputting the temperature and pressure data of the gas to be detected, which are acquired by the temperature and pressure sensing core body (6).

10. The low-loss temperature-pressure composite sensor air tap according to claim 9, characterized in that: the temperature and pressure sensing core body (13) is a temperature and pressure sensor.

Technical Field

The application relates to the technical field of sensors, in particular to a low-loss temperature and pressure composite sensor air connecting nozzle.

Background

The sensor is an important part in an industrial system, the prior art in the field of sensors is mature, measurement indexes are improved continuously, however, most sensors only support single-parameter measurement, the signal types and the function coverage are narrow aiming at the measurement of multi-parameter signals, and the development requirements of the increasing automatic monitoring technology can not be met.

In the field of machine manufacturing, particularly in the process of a pneumatic sealing test in the aviation industry, whether the temperature and the pressure of compressed gas in an injection sealing system reach the standard or not is generally monitored in real time, collected data are automatically recorded in the test process, and a parameter change curve is drawn so as to analyze and research test data. Existing sensors only support a single parameter measurement function.

Disclosure of Invention

In order to solve one of the problems, the invention provides a low-loss temperature and pressure composite sensor air connecting nozzle, which is characterized in that a temperature and pressure sensing entity is arranged in an installation groove of a control valve body to detect the temperature and pressure values of gas flowing in an internal channel, so that the technical problem that the conventional measuring device only supports single parameter measurement is solved.

A low-loss temperature and pressure composite sensor air connecting nozzle comprises a one-way valve core, a one-way valve body, a control valve core, a control valve body, a temperature and pressure sensing core and a bolt;

one end of the check valve body is connected with one end of the control valve body, and an internal channel of the check valve body is communicated with an internal channel of the control valve body;

the valve core of the one-way valve is positioned in the internal channel of the valve body of the one-way valve, the valve core of the control valve is positioned in the internal channel of the valve body of the control valve, and the internal channel of the valve core of the control valve is communicated with the internal channel of the valve core of the one-way valve;

the warm-pressing sensing core body is positioned in the mounting groove of the control valve body; the temperature and pressure sensing core body collects the temperature and pressure of the gas to be detected;

one end of the valve core of the one-way valve is connected with one end of the valve core of the control valve, and the other end of the valve core of the control valve is connected with the bolt;

and rotating the bolt to drive the valve core of the control valve to move axially, further pushing the valve core of the one-way valve to move axially, opening the valve core of the one-way valve, and enabling the detected gas to enter the mounting groove of the valve body of the control valve through the internal channel of the valve body of the one-way valve.

Optionally, one end of the check valve spool and one end of the check valve body are both connected with the tested airtight system;

the check valve core is opened, and the tested gas in the tested gas tight system enters the internal channel of the check valve body.

Optionally, a first nut is installed at the other end of the check valve core, and a flooding plug seal is arranged on the step surface of the control valve core and is fixed through a second nut.

Optionally, a sealing ring is installed in an outer annular groove of the control valve core.

Optionally, the number of the sealing rings is greater than or equal to two, and the sealing rings are located in an internal channel of the control valve body.

Optionally, the other end of the valve core of the control valve is in threaded connection with the bolt, the other end of the valve body of the control valve is in threaded connection with an end cover, and the end cover is used for limiting the position of the bolt.

Optionally, the check valve body is in threaded connection with the control valve body, and a copper pad is arranged on the step surface of the inner cavity of the control valve body.

Optionally, a release valve is arranged on the outer side of the control valve body, and the release valve is in threaded connection with the control valve body.

Optionally, the temperature and pressure sensing core is connected with a signal wire;

the signal line is used for outputting the temperature and pressure data of the gas to be detected, which are acquired by the temperature and pressure sensing core body.

Optionally, the warm pressure sensing core is a warm pressure sensor.

By adopting the technical scheme, the invention has the following technical effects:

1) in the application, a temperature and pressure sensing core body is arranged in the mounting groove of the control valve body, and the measured gas enters the mounting groove after entering the valve core of the control valve and the internal channel of the control valve body, so that the temperature and pressure of the gas can be detected together by the temperature and pressure sensing core body, and the simultaneous measurement of multiple parameters is realized; and the temperature and pressure sensing core body is positioned in the mounting groove of the control valve body, so that the interference of the external environment to the component in the test process is weakened, and the sensitive detection element in the component is protected, thereby prolonging the service cycle of the sensitive element.

2) In the application, the acquisition of temperature and pressure parameters can be completed at the same position of the valve body of the control valve, so that the identity of the measured data is ensured, the reliability of the acquired data is enhanced, and the data compensation and the data fusion of various parameters are facilitated.

3) In this application, the tight connection between the control valve body and the check valve body, check valve case and control valve case, the bolt ensures the leakproofness, can satisfy in the sealed experiment of high temperature hydraulic oil, to the real-time collection of temperature, pressure parameter value in the sealed gas in the airtight system of being surveyed.

Drawings

FIG. 1 is an exploded isometric view of a low loss temperature and pressure compound sensor interface of the present invention;

FIG. 2 is a schematic structural view of a check valve connected to a tested airtight system when the low-loss temperature and pressure composite sensor air nozzle of the present invention is in use;

FIG. 3 is a schematic structural view of a check valve connection control valve when the low-loss temperature and pressure composite sensor of the present invention is used in connection with an air nozzle;

FIG. 4 is a schematic structural view of a low-loss temperature and pressure composite sensor air nozzle of the present invention after an air release valve is mounted on a control valve body;

FIG. 5 is a schematic structural view of a low-loss temperature and pressure composite sensor air nozzle of the present invention after a temperature and pressure sensing core connection signal line is mounted to a control valve body;

FIG. 6 is a schematic structural view of a system for connecting a tested air-tight seal when the low-loss temperature and pressure composite sensor air nozzle of the invention is used;

wherein: 1-a one-way valve core, 2-a one-way valve body, 3-a first nut, 4-a second nut, 5-a universal plug seal, 6-a control valve core, 7-a copper gasket, 8-a control valve body, 9-a vent valve, 10-a sealing ring, 11-a bolt, 12-an end cover, 13-a temperature and pressure sensing core body, 14-a signal line and 15-a tested air-tight system.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification 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.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

This application is mainly to current compressed gas's to the injection sealing system temperature, whether pressure is up to standard carries out real-time detection, and carry out the data that real-time recording gathered in the experimentation, and according to data drawing parameter variation curve, do benefit to and carry out further analysis, research to test data, and the measurement of single parameter can only be accomplished to current sensor, and the sensor can not be connected with sealing system in the testing process, therefore, when sealing up the experiment in high temperature high pressure oil, current sensor structure can't accomplish the sealed gas temperature in the experiment, data such as pressure carry out real-time collection.

Example 1:

as shown in fig. 1-6, a low-loss temperature and pressure composite sensor air tap comprises a one-way valve core 1, a one-way valve body 2, a control valve core 6, a control valve body 8, a temperature and pressure sensing core 13 and a bolt 11;

one end of the check valve body 2 is connected with one end of the control valve body 8, and an internal channel of the check valve body 2 is communicated with an internal channel of the control valve body 8;

the check valve core 1 is positioned in an internal channel of the check valve body 2, the control valve core 6 is positioned in an internal channel of the control valve body 8, and the internal channel of the control valve core 6 is communicated with the internal channel of the check valve core 1;

the warm-pressing sensing core body 13 is positioned in the mounting groove of the control valve body 8; the temperature and pressure sensing core body 13 collects the temperature and pressure of the gas to be detected;

one end of the valve core 1 of the one-way valve is connected with one end of the valve core 6 of the control valve, and the other end of the valve core 6 of the control valve is connected with a bolt 11;

and rotating the bolt 11 to drive the valve core 6 to axially move, further pushing the valve core 1 of the one-way valve to axially move, so that the valve core 1 of the one-way valve is opened, and the detected gas enters the mounting groove of the valve body 8 of the control valve through the internal channel of the valve body 2 of the one-way valve.

In this application, control valve body 8 is inside to be equipped with control valve case 6, and control valve case 6 contains the internal passage of gas flow, and control valve case 6's position is controlled by bolt 11.

The control valve body 8 is connected with the one-way valve body 2 through threads, the one-way valve core 1 is arranged inside the one-way valve body 2, the one-way valve body 2 is opened under the control of the control valve core 6, gas enters the internal channels of the control valve core 6 and the control valve body 8, and when reaching the temperature and pressure sensing core body 13, the flowing gas can be subjected to temperature and pressure data acquisition in real time. Wherein, the control valve case 6 is connected with the bolt 11, and the bolt 11 controls the control valve case 6, thereby opening the check valve case 1, and the internal channel of the control valve case 6 is communicated with the internal channel of the check valve case 1, and is communicated with the internal channel of the control valve body 8 and the mounting groove of the control valve body 8.

Data acquisition's key structure, warm pressure response core 13 are installed in the inside of control valve body 8, in the preferred mounting groove, specific position can be: the connection position of the internal channel of the control valve core 6 and the warm-pressing sensing core body 13 is provided with a small notch, so that the control valve core 6 can be ensured to axially move, and after the one-way valve core 1 is opened, the measured gas can enter the position of the warm-pressing sensing core body 13.

Because the data acquisition structure, namely the temperature and pressure sensing core body 13 is arranged in the control valve body 8, the interference degree of the external environment to the element in the test process is weakened, the structure is protected, and the corresponding service cycle is prolonged. Meanwhile, the temperature of the gas in the sealing system can be finished at one position by adopting the temperature and pressure sensing core body 13. The collection of pressure parameters ensures the identity of the measured data, enhances the reliability of the collected data, and is beneficial to the supplement and data fusion of various parameter data.

The working principle is as follows: the valve core 6 is driven to move axially by rotating the bolt 11, and the moving distance is transmitted to the valve core 1 of the one-way valve, so that the detected gas enters the internal channel of the valve body 2 of the one-way valve, and the detected gas passes through the upper end face of the valve core 6 of the control valve, specifically, the detected gas enters the internal channel of the valve core 6 of the control valve through the gap of the upper end face of the valve core 6 of the control valve until reaching the temperature and pressure sensing entity 13.

Optionally, one end of the check valve core 1 and one end of the check valve body 2 are both connected with the tested airtight system 15;

the check valve core 1 is opened, and the tested gas in the tested airtight system 15 enters the inner channel of the check valve body 2.

The method specifically comprises the following steps: the check valve core 1 is located inside the check valve body 2, so that one ends, far away from the control valve body 5, of the check valve core 1 and the check valve body 2 are both connected with the tested airtight system 15, the tested airtight system 15 can be an airtight testing system and mainly plays a role of a switch valve, and the specific structure can be a structure in the prior art.

And selecting the adaptive one-way valve body 2 according to the specification of the internal thread at the joint of the tested airtight system 15, and then installing the valve core 1 of the one-way valve in the one-way valve body 2.

Optionally, the other end of the one-way valve spool 1 is provided with a first nut 3, and a step surface of the control valve spool 6 is provided with a flooding plug seal 5 and fixed by a second nut 4.

Specifically, after the valve core 1 of the one-way valve is arranged inside the valve body 2 of the one-way valve, one end of the valve core 1 of the one-way valve is connected with the tested airtight system 15, the first nut 3 is arranged at the other end or the tail end of the valve core 1 of the one-way valve, and the connecting end of the valve core 1 of the single-line valve is closer to the valve core 6 of the control valve.

And an extensive plug seal 5 is placed on the step surface of the valve core 6 of the control valve, and the extensive plug seal 5 is fixed through a second nut 4, so that the extensive plug seal 5 has a sealing effect. Wherein, the flooding plug seal 5 can be a single-action sealing element which is composed of a U-shaped sealing outer sleeve and a V-shaped corrosion-resistant spring.

Optionally, a sealing ring 10 is installed in an outer annular groove of the copper gasket 7, the number of the sealing rings 10 is greater than or equal to two, and the sealing rings are located in an inner channel of the control valve body 8.

Specifically, in order to improve the sealing effect of the control valve core 6, three sets of sealing rings are preferably mounted on an outer ring groove of the control valve core 6, and the three sets of sealing rings are all located in an inner channel of the control valve body 8.

Optionally, the other end of the control valve core 6 is in threaded connection with the bolt 11, the other end of the control valve body 8 is in threaded connection with an end cover 12, and the end cover 12 is used for limiting the position of the bolt 11.

The other end of the control valve spool 6 is connected with a bolt 11 through threads, and the other end of the control valve body 8 is connected with an end cover 12 through threads and used for limiting the position of the bolt 11. When the bolt 11 is rotated, the valve core 6 of the control valve moves axially, and the axial position of the bolt 11 is kept still due to the lower end step of the valve body 8 of the control valve and the end cover 12.

Optionally, the check valve body 2 is connected with the control valve body 8 through threads, and a copper gasket 7 is arranged on the step surface of the inner cavity of the control valve body 8. The copper pad 7 has the main functions of preventing abrasion, preventing corrosion and sealing the control valve body 8.

Example 2:

in this embodiment, on the basis of embodiment 1, a release valve 9 is disposed on the outer side of the control valve body 8, and the release valve 9 is in threaded connection with the control valve body 8.

The air release valve 9 is used for discharging residual gas in the inner cavity before the test starts or after the test ends so as to prevent interference on the test, and the installation position of the air release valve 9 is opposite to the installation position of the pressure stabilizing sensing core body 13.

The specific connection relationship between the air release valve 9 and the control valve body 8 is as follows: the air release valve 9 is installed to the control valve body through threaded connection, and in a working state, the front end conical surface of the air release valve 9 and the inner hole conical surface of the corresponding position of the control valve body 8 form a sealing effect. A small gap is arranged at the connecting position of the air release valve 9 and the control valve core 9 inside the control valve body 8, so that the control valve core 6 is ensured to move axially, gas can be ensured to enter the air release valve 9 after the check valve core 1 is opened, and internal gas can be discharged before or after a test.

Example 3:

in this embodiment, it is further preferable that the signal line 14 of the temperature and pressure sensing core 13 is connected;

the signal line 14 is used for outputting the measured gas temperature and pressure data detected by the temperature and pressure sensing core body 13. The temperature and pressure sensing core 13 may be a temperature and pressure sensor, or other temperature and pressure detecting devices with equivalent functions.

The temperature and pressure sensing core body 13 collects temperature and pressure values in a testing system or a testing end part, and outputs the collected temperature and pressure values as digital signals through the signal wire 14 so as to achieve the purpose of monitoring parameters of the testing system in real time.

Regarding the low-loss temperature and pressure composite sensor air tap described in embodiments 1 to 3, a specific installation method is as follows:

(1) selecting an adaptive one-way valve body 2 according to the specification of the internal thread at the joint of the tested airtight system 15, then installing a valve core 1 of the one-way valve in the one-way valve body 2, and installing a first nut 3 at the tail end of the valve core 1 of the one-way valve;

(2) the check valve body 2 is connected with the control valve body 8 through threads, and the copper gasket 7 is placed on the step surface of the inner cavity of the control valve body 8 and used for protecting the end surface of the check valve body 2 and the inner cavity of the control valve body 8;

(3) and a deflation valve 9 is arranged on the outer side of the control valve body 8 and used for discharging residual gas in the inner cavity before or after the test is finished so as to prevent interference on the test.

(4) Installing a temperature and pressure sensing core body 13 in an installation groove of a control valve body 8, and connecting the temperature and pressure sensing core body 13 with a signal line 14 to output measured temperature and pressure values;

(5) the universal plug seal 5 is placed on the step surface of a control valve core 6, the position of the universal plug seal 5 is fixed through a second nut 4, the universal plug seal 5 plays a sealing role, a sealing ring 10 is installed in an external ring groove of the control valve core 6 and is placed in an internal channel formed by a one-way valve body 2, a copper gasket 7 and a control valve body 8, the tail end of the control valve core 6 is connected with a bolt 11 through threads, and the tail end of the control valve body 8 is connected with an end cover 12 through threads and is used for limiting the position of the bolt 11.

The specific operation process is as follows: in the process of screwing the bolt 11, the valve core 6 of the control valve is driven to perform axial motion, and then the valve core 1 of the check valve is pushed to perform axial motion, the check valve is opened and comprises a valve body 2 of the check valve and the valve core 1 of the check valve, the gas to be detected enters an internal gas flow channel through a vent groove at the tail end of the valve core 6 of the control valve, then enters an internal gas flow channel of the valve body 8 of the control valve, reaches a mounting groove of a temperature and pressure sensing core body 13, the temperature and pressure sensing core body 13 is triggered, the temperature and pressure sensing core body 13 collects temperature and pressure values in a test system, and outputs the collected temperature and pressure values as digital signals through a signal line 14, so that the purpose of monitoring parameters of the test system in real time is achieved.

Finally, it should be noted that: the embodiment of the present invention is disclosed only as a preferred embodiment of the present invention, which is only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.