CN220649867U

CN220649867U - Pressure measuring device

Info

Publication number: CN220649867U
Application number: CN202322155480.6U
Authority: CN
Inventors: 李杏杏; 江世昌; 刘林立; 孙岩
Original assignee: Shanghai Hexia Jundao Intelligent Technology Co ltd
Current assignee: Shanghai Hexia Jundao Intelligent Technology Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-03-22
Anticipated expiration: 2033-08-11

Abstract

The utility model relates to the technical field of pressure measurement and discloses a pressure measurement device, which comprises a collecting box, wherein one side of the collecting box is provided with a shell, the interior of the shell is provided with a mounting groove, an integrated collecting module, a wireless signal summarizing processing unit and a signal transmitter are respectively arranged in the mounting groove from left to right, the interior of the mounting groove is filled with heat-insulating crystal fibers, one side of the shell is provided with a thermocouple in a penetrating manner, one side of the collecting box is welded with a mounting cylinder, and the other side of the collecting box is provided with a collecting groove; the measuring device has the advantages that the measuring effect is good, the assistance of an external pressure pipeline is not needed, the sensitivity is high, the response is rapid, meanwhile, the transmission line can be stored and limited, and the device is convenient for workers to carry and protect the wire harness.

Description

Pressure measuring device

Technical Field

The utility model belongs to the technical field of pressure measurement, and particularly relates to a pressure measurement device.

Background

In the process of engine test, various state data of an engine need to be recorded in real time, each test working condition needs to be carried out at a specified temperature and pressure, the smooth performance of the test and the safety of the engine can be guaranteed only by the fact, at present, the pressure sensor is connected to the pressure sensor through a section of Teflon pipeline, the pressure sensor is converted into a pressure signal to be transmitted to the acquisition system, after the engine is installed and fixed, the air inlet and outlet pressure measuring points and the acquisition box are different in distance and need to be transmitted to the signal acquisition box through pressure pipelines with different lengths, the situation that measurement lag and damage occur easily is avoided, and the result is deviated.

Disclosure of Invention

The utility model aims to provide a pressure measuring device which has the advantages of good measuring effect and capability of accommodating a transmission line, and solves the problems that the existing pressure measuring device is poor in measuring effect and the transmission line which is too long is easy to damage due to dragging to the ground.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a pressure measurement device, includes the collecting box, one side of collecting box is provided with the shell, the mounting groove has been seted up to the inside of shell, integrated collection module, wireless signal summarizing processing unit and signal transmitter are installed respectively from a left side to the right side to the inside of mounting groove, the inside packing of mounting groove has thermal-insulated crystal fiber, one side of shell runs through installs the thermocouple, one side welding of collecting box has a mounting cylinder, the collecting groove has been seted up to the opposite side of collecting box.

The technical scheme is adopted: the measuring device has the advantages of good measuring effect, high sensitivity and quick response, and no assistance of an external pressure pipeline is needed.

The utility model is further characterized in that a baffle is arranged in the wire collecting groove, a wire through groove is formed in the baffle, a fixed seat and a fixed plate are respectively bolted to one side of the baffle, a connecting plate is arranged on the front face of the fixed seat, a fixed rod is welded on the back face of the connecting plate, the other end of the fixed rod penetrates through the back face of the fixed seat and is welded with a limiting plate, and a limiting spring is bolted between the front face of the limiting plate and the fixed seat through a spring fixing piece.

The technical scheme is adopted: the wire harness protection device has the advantages that the wire harness protection device can store and limit the transmission wire, and is convenient for workers to carry and protect the wire harness.

The utility model is further arranged that a high-temperature-resistant sealing gasket is adhered to one side of the shell and positioned in the mounting cylinder.

The technical scheme is adopted: the high-temperature-resistant sealing gasket is arranged, and the sealing effect of the installation cylinder inside after installation can be improved.

The utility model is further characterized in that a clamping ring groove is formed in the surface of the shell, a bottom plate is bolted to one side of the collecting box, and a limiting clamping seat is arranged at the top of the bottom plate.

The technical scheme is adopted: the shell that has reached can take off after measuring is finished carries out interim spacing, makes things convenient for the staff to take subsequently.

The utility model further provides that a pull plate is welded on one side of the connecting plate.

The technical scheme is adopted: the connecting plate can be pulled outwards by workers conveniently.

The utility model is further arranged that the housing is made of a ceramic material.

The technical scheme is adopted: the shell has the characteristics of high strength, high hardness, high modulus, and excellent oxidation resistance and high temperature resistance.

The utility model further provides that the back surface of the limiting plate is adhered with a rubber protective layer.

The technical scheme is adopted: the wire body of the transmission wire can be protected, and the damage to the wire body caused by the limiting plate during pressing is avoided.

In summary, the utility model has the following beneficial effects:

1. the shell is firstly taken down from the limiting clamping seat, then one end with the thermocouple is downwards inserted into the engine exhaust pipe, the internal thread of the mounting cylinder is fixed on the external thread pipe of the exhaust pipe by rotating the shell by hand, the thermocouple can be positioned in the exhaust pipe for measurement after the mounting cylinder is fixed, the measured temperature and pressure are changed into electric signals through the integrated acquisition module and are transmitted to the wireless signal summarizing processing unit, and then the wireless signal summarizing processing unit calculates the actual pressure according to two paths of signals and transmits the actual pressure to the bench, so that the measuring effect is good, assistance of an external pressure pipeline is not needed, and the sensor has high sensitivity and rapid response;

2. through the outward pulling of holding the arm-tie with the hand, because the head end volume of transmission line is greater than the lead-in groove and consequently can't get into to collect in the groove, the arm-tie can drive the limiting plate outwards remove through the fixed of connecting plate and dead lever down when outer pulling, can remove the restriction to the transmission line body when outer moving, then with another hand grasp the head end with the line body outwards pull out can, can accomodate and spacing the transmission line, make things convenient for the staff to carry and protect the pencil.

Drawings

FIG. 1 is a schematic diagram of the front of the structure of the present utility model;

FIG. 2 is an enlarged partial front cross-sectional view of the structure of the present utility model;

FIG. 3 is a schematic view of a left side portion of the structure of the present utility model;

FIG. 4 is an enlarged partial right side cross-sectional view of the structure of the present utility model;

fig. 5 is an enlarged schematic view of fig. 4 at a in accordance with the present utility model.

Reference numerals: 1. a collection box; 2. a housing; 3. a mounting groove; 4. an integrated acquisition module; 5. a wireless signal summarizing processing unit; 6. a signal transmitter; 7. a thermocouple; 8. a mounting cylinder; 9. a baffle; 10. a wire through slot; 11. a fixing seat; 12. a fixing plate; 13. a connecting plate; 14. a fixed rod; 15. a limiting plate; 16. a limit spring; 17. a thermally insulating crystalline fiber; 18. a high temperature resistant gasket; 19. a snap ring groove; 20. a bottom plate; 21. a limit clamping seat; 22. pulling a plate; 23. and a wire collecting groove.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1, 2, 3 and 4, a pressure measuring device comprises a collecting box 1, wherein one side of the collecting box 1 is provided with a shell 2, the shell 2 is made of ceramic materials, the shell 2 has the characteristics of high strength, high hardness, high modulus, oxidation resistance and excellent high temperature resistance, a clamping ring groove 19 is formed on the surface of the shell 2, a bottom plate 20 is bolted on one side of the collecting box 1, a limiting clamping seat 21 is mounted on the top of the bottom plate 20, the purpose of temporarily limiting the removed shell 2 after the measurement is finished is achieved, subsequent taking by workers is facilitated, a mounting groove 3 is formed in the shell 2, an integrated collecting module 4, a wireless signal summarizing processing unit 5 and a signal transmitter 6 are respectively mounted in the mounting groove 3 from left to right, heat insulating crystal fibers 17 are filled in the mounting groove 3, one side of the shell 2 is penetrated and provided with a thermocouple 7, one side of the collecting box 1 is welded with a mounting cylinder 8, one side of the shell 2 is adhered with a high-temperature-resistant sealing gasket 18 in the mounting cylinder 8, the arrangement of the high-temperature-resistant sealing gasket 18 is achieved, the sealing effect of the mounting cylinder 8 in the mounting is improved, a wire collecting groove 23 is arranged on the other side of the collecting box 1, one end with the thermocouple 7 is firstly taken down from a limiting clamping seat 21 and then is downwards inserted into an engine exhaust pipe, the internal thread of the mounting cylinder 8 is fixed on an external thread pipe of the exhaust pipe by rotating the shell 2 by hands, the thermocouple 7 can be positioned in the exhaust pipe for measurement after the mounting cylinder 8 is fixed, the measured temperature and pressure can be changed into electric signals through an integrated collecting module 4 to be transmitted to the wireless signal summarizing processing unit 5, then the wireless signal summarizing processing unit 5 calculates actual pressure according to the two paths of signals and transmits the actual pressure to the bench, so that the measuring effect is good, the assistance of an external pressure pipeline is not needed, and the wireless signal summarizing processing unit has high sensitivity and quick response.

The use process is briefly described: through taking down shell 2 from spacing cassette 21 earlier, then will have one end of thermocouple 7 to insert in the engine blast pipe downwards, make the internal thread of mounting cylinder 8 fix on the external screw thread pipe of blast pipe through rotating shell 2 with the hand, can thermocouple 7 can be in the blast pipe and measure after mounting cylinder 8 is fixed, thermocouple 7 can change the temperature and the pressure of measuring into signal transmission for wireless signal summarization processing unit 5 through integration collection module 4, then wireless signal summarization processing unit 5 calculates actual pressure transmission to the rack according to two way signal.

Example 2:

referring to fig. 1, fig. 2, fig. 4 and fig. 5, a pressure measuring device, the internally mounted of receipts wire casing 23 has baffle 9, pass through wire casing 10 has been seted up to the inside of baffle 9, one side of baffle 9 has bolted fixing base 11 and fixed plate 12 respectively, the front of fixing base 11 is provided with connecting plate 13, the arm-tie 22 has been reached to the one side welding of connecting plate 13, the back welding of connecting plate 13 has dead lever 14, the other end of dead lever 14 runs through the back to fixing base 11 and welds there is limiting plate 15, there is spacing spring 16 through the spring stationary blade bolt between the front of limiting plate 15 and the fixing base 11, the back bonding of limiting plate 15 has the rubber protection layer, it can protect the line body of transmission line to have avoided limiting plate 15 to cause the damage to the line body when pressing, through the head end volume of transmission line is greater than leading to 10 consequently unable entering into to receive in the wire casing, arm-tie 22 can drive limiting plate 15 outwards through connecting plate 13 and fixing of dead lever 14 down, limiting plate 15 moves the line outwards, limiting plate 15 can remove the restriction to the line when moving outwards at the outside, can carry out the transmission line to take-up the other side and carry out the restriction to the transmission line to the other side, can take over the line is carried out to the outside the people conveniently.

The use process is briefly described: the pulling plate 22 is pulled outwards by hand, and the head end volume of the transmission line is larger than that of the line through groove 10, so that the transmission line cannot enter the line through groove 23, the pulling plate 22 drives the limiting plate 15 to move outwards through the fixing of the connecting plate 13 and the fixing rod 14 when being pulled outwards, the limiting plate 15 can release the limit on the line body of the transmission line when moving outwards, and then the other hand is used for grasping the head end to pull the line body outwards.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. Pressure measuring device, including collecting box (1), its characterized in that: one side of collection box (1) is provided with shell (2), mounting groove (3) have been seted up to the inside of shell (2), integration collection module (4), wireless signal gathers processing unit (5) and signal transmitter (6) are installed respectively from a left side to the right side to the inside of mounting groove (3), the inside packing of mounting groove (3) has thermal-insulated crystal fiber (17), thermocouple (7) are installed in one side run through of shell (2), one side welding of collection box (1) has a mounting cylinder (8), take-up groove (23) have been seted up to the opposite side of collection box (1).

2. A pressure measurement device as claimed in claim 1, wherein: the utility model discloses a wire collecting groove, including baffle (9) and fixed plate (11), take-up groove (23) internally mounted has baffle (9), through-wire groove (10) have been seted up to the inside of baffle (9), one side of baffle (9) is bolt respectively has fixing base (11) and fixed plate (12), the front of fixing base (11) is provided with connecting plate (13), the back welding of connecting plate (13) has dead lever (14), the other end of dead lever (14) runs through to the back of fixing base (11) and welds limiting plate (15), there is spacing spring (16) through the spring stationary blade bolt between the front of limiting plate (15) and fixing base (11).

3. A pressure measurement device as claimed in claim 1, wherein: one side of the shell (2) is positioned in the mounting cylinder (8) and is adhered with a high-temperature-resistant sealing gasket (18).

4. A pressure measurement device as claimed in claim 1, wherein: the surface of shell (2) has seted up snap ring groove (19), one side bolt of collection case (1) has bottom plate (20), spacing cassette (21) are installed at the top of bottom plate (20).

5. A pressure measurement device as claimed in claim 2, wherein: one side of the connecting plate (13) is welded with a pulling plate (22).

6. A pressure measurement device as claimed in claim 1, wherein: the shell (2) is made of ceramic materials.

7. A pressure measurement device as claimed in claim 2, wherein: the back of the limiting plate (15) is adhered with a rubber protection layer.