CN219532357U - High-precision automobile air conditioner pressure detection equipment - Google Patents

Abstract

The utility model relates to the technical field of automobiles, in particular to high-precision automobile air conditioner pressure detection equipment which comprises a straight pipe and a connecting flange, wherein a detection device is arranged on the middle outer wall of the straight pipe, and connecting devices are arranged on two sides of the detection device. The air blower blows air into the straight pipe through the connecting flange, when the valve core is in an open state, part of air flows into the shell through the ventilation channel on the straight pipe, the air pressure sensor at the lower part detects the air, when the valve body controls the valve core to close the channel of the straight pipe, the air blown into the straight pipe flows into the shell through the ventilation channel, the air pressure sensor at the lower part detects the air, and therefore more accurate data can be obtained through comparison through two-time detection, errors are avoided to the greatest extent, and the using effect of the automobile air conditioner pressure detection equipment is improved.

Description

High-precision automobile air conditioner pressure detection equipment

Technical Field

The utility model relates to the technical field of automobiles, in particular to high-precision automobile air conditioner pressure detection equipment.

Background

In the development process of vehicles, the air pressure at the inlet of an air conditioner pipeline is required to be tested so as to evaluate the pressure loss of air flow in the pipeline, a section of straight pipe is connected between the air conditioner pipeline and a blower, and then a pressure sensor is arranged in the middle of the straight pipe section for measurement.

Such as grant publication CN 213874918U, a gas pressure detection device and an automobile air conditioner test device. The plurality of vent holes are communicated with the gas communication area and are used for guiding the gas in the straight pipe into the gas communication area. Through the air-in to the gas communication part that draws out a plurality of air vents, can weaken or eliminate the influence of turbulent flow, the automobile air conditioner testing arrangement in the above-mentioned is to the gas communication part of letting in the gas that draws out the air vent, detect through pressure sensor again, but because the air vent has only been seted up at the outer wall of straight tube, and when the gas flow through the straight tube, only have partial gas to flow from bleeder vent department, most gas still directly flows from the passageway department of straight tube, consequently, only test the gas pressure that flows from the bleeder vent, test structure can have certain error, thereby just reduced automobile air conditioner pressure detection equipment's result of use.

Disclosure of Invention

The utility model aims to solve the problem that the automobile air conditioner testing device in the comparison patent only tests the pressure of the air flowing out of the air holes, and certain errors can exist in a testing structure, so that the high-precision automobile air conditioner pressure detection equipment is provided.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a high accurate vehicle air conditioner pressure check out test set, includes straight tube and flange, the left and right sides rigid coupling of straight tube has flange, the outer wall rigid coupling of the left and right sides of straight tube has the disc, the intermediate processing of straight tube has a plurality of ventilative passageways, detection device is installed to the intermediate outer wall of straight tube, connecting device is installed to detection device's both sides.

Preferably, the detection device comprises a housing, the housing is located the middle outer wall of straight tube, the through-hole department inner wall rigid coupling of housing has the sealing washer, and the inside of sealing washer is closely laminated with the outer wall of straight tube, the inside top of housing is equipped with the valve body, and the below and the straight tube looks rigid coupling of valve body, the below of valve body is connected with the valve rod, and the valve rod rotates with the straight tube through a plurality of bearings and links to each other, the middle outer wall rigid coupling of valve rod has the case, and the outer wall of case is laminated with the inner wall of straight tube mutually.

Preferably, a screen plate is fixedly connected below the shell, a gas pressure sensor is arranged on the right side of the screen plate, and the outer wall above the gas pressure sensor is fixedly connected with the inside of the shell.

Preferably, the connecting device comprises a transverse plate, the inner sides of the transverse plates are fixedly connected with the shell, a screw is connected to the inner threads of the transverse plate, a baffle is arranged on the inner sides of the screw, one end outer wall of the baffle is in clearance fit with the inner wall of the groove of the disc, the other end of the baffle is rotationally connected with a plurality of arc blocks through a rotating shaft, and the outer walls of the arc blocks are fixedly connected with the shell.

Preferably, the outer sides of the upper and lower screw rods are fixedly connected with handles.

The high-precision automobile air conditioner pressure detection device provided by the utility model has the beneficial effects that: can rotate the baffle, make the one end of baffle enter into in the recess of disc, the handle is rotated again, drive the screw rod through the handle and rotate, make the screw rod remove through the diaphragm, can support the baffle tightly like this, thereby baffle cooperation disc alright fix the straight tube in casing department, afterwards be connected with vehicle air conditioner pipeline and air-blower respectively through flange with the both ends of straight tube, the air-blower blows into the straight tube in, when the case is the open condition, for first kind vehicle air conditioner pressure detection, in the ventilative passageway inflow shell on the straight tube can be passed through to a part of wind, the gas pressure sensor of rethread below detects, when the passageway of valve body control case with the straight tube is closed, for second kind vehicle air conditioner pressure detection, the wind in the straight tube of blowing into can all flow into in the casing through ventilative pipeline, the gas pressure sensor of rethread below detects, like this compares alright obtain more accurate data through twice detection, error has been avoided in the maximum degree, and then the result of use of vehicle air conditioner pressure detection equipment has been improved.

Drawings

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

FIG. 2 is a plan cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the valve body, valve stem and valve core of FIG. 2;

FIG. 4 is a schematic view of the handle, screw and seal ring of FIG. 2;

fig. 5 is a schematic view of the structure of the cross plate, baffle and arc block of fig. 1.

In the figure: 1. straight pipe, 2, flange, 3, detection device, 301, casing, 302, sealing washer, 303, valve body, 304, valve rod, 305, case, 4, connecting device, 401, diaphragm, 402, screw rod, 403, baffle, 404, arc piece, 4A1, end cover, 5, disc, 6, ventilation channel, 7, otter board, 8, gas pressure sensor, 9, handle.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

example 1: referring to fig. 1-5, in this embodiment, a high-precision automobile air conditioner pressure detection device includes a straight pipe 1 and a connecting flange 2, wherein the connecting flange 2 is fixedly connected to the left and right sides of the straight pipe 1, the straight pipe 1 can be connected with other structures through the connecting flange 2, discs 5 are fixedly connected to the outer walls of the left and right sides of the straight pipe 1, grooves are formed in the upper and lower sides of the discs 5, 4 ventilation channels 6 are formed in the middle of the straight pipe 1, a detection device 3 is mounted on the middle outer wall of the straight pipe 1, and connecting devices 4 are mounted on the two sides of the detection device 3.

Referring to fig. 1-3, the detection device 3 comprises a housing 301, a sealing ring 302, a valve body 303, a valve rod 304 and a valve core 305, wherein the housing 301 is positioned on the middle outer wall of the straight pipe 1, through holes are processed on the left side and the right side of the housing 301, the inner wall of the through hole of the housing 301 is fixedly connected with the sealing ring 302, the inside of the sealing ring 302 is tightly attached to the outer wall of the straight pipe 1, the sealing performance of the joint of the housing 301 and the straight pipe 1 can be improved through the sealing ring 302, the valve body 303 is arranged above the inside of the housing 301, the lower part of the valve body 303 is fixedly connected with the valve rod 304, the valve rod 304 is rotationally connected with the straight pipe 1 through a plurality of bearings, the valve core 305 is fixedly connected on the middle outer wall of the valve rod 304, the valve body 303 can drive the valve core 305 to rotate through the valve rod 304, the outer wall of the valve core 305 is attached to the inner wall of the straight pipe 1, the lower part of the housing 301 is fixedly connected with a screen 7, the right side of the screen 7 is provided with a gas pressure sensor 8, the model of the gas pressure sensor 8 can be selected according to the requirements of a user, the gas pressure in the housing 301 can be detected through the gas pressure sensor 8, and the upper outer wall of the gas pressure sensor 8 is fixedly connected with the inside of the housing 301;

the two ends of the straight pipe 1 are respectively connected with an automobile air conditioner pipeline and an air blower through the connecting flange 2, the air blower blows air into the straight pipe 1, when the valve core 305 is in an open state, the air is detected for the first automobile air conditioner pressure, a part of air flows into the shell through the ventilation channel 6 on the straight pipe 1, the air is detected through the air pressure sensor 8 at the lower part, when the valve body 303 controls the valve core 305 to close the channel of the straight pipe 1, the air blown into the straight pipe 1 can flow into the shell 301 through the ventilation pipeline 6 completely, the air is detected through the air pressure sensor 8 at the lower part, so that more accurate data can be obtained through comparison through the detection at the two times, errors are avoided to the maximum extent, and the use effect of the automobile air conditioner pressure detection equipment is improved.

Referring to fig. 1, 2, 4 and 5, the connecting device 4 comprises a transverse plate 401, a screw rod 402, a baffle 403 and arc blocks 404, wherein the inner sides of the left transverse plate 401 and the right transverse plate 401 are fixedly connected with the shell 301, the screw rod 402 is connected with the inner threads of the transverse plate 401, the screw rod 402 can move through the transverse plate 401, the baffle 403 is installed on the inner sides of the upper and lower screw rods 402, one end outer wall of the baffle 403 is in clearance fit with the inner wall of a groove of the disc 5, the disc 5 can be abutted by the baffle 403, the other end of the baffle 403 is rotatably connected with the 2 arc blocks 404 through a rotating shaft, the outer wall of the arc blocks 404 is fixedly connected with the shell 301, and the handle 9 is fixedly connected with the outer sides of the upper and lower screw rods 402;

the baffle 403 can be rotated, one end of the baffle 403 enters the groove of the disc 5, the handle 9 is rotated, the screw 402 is driven to rotate by the handle 9, the screw 402 moves through the transverse plate 401, and the baffle 403 can be abutted tightly by the screw 402, so that the baffle 403 is matched with the disc 5 to fix the straight pipe 1 at the position of the shell 301.

In this embodiment, when the operating personnel need use high accurate vehicle air conditioner pressure check out test set, at first operating personnel can rotate baffle 403, make the one end of baffle 403 enter into in the recess of disc 5, rethread handle 9, drive screw rod 402 through handle 9 and rotate, make screw rod 402 remove through diaphragm 401, can support closely baffle 403 like this through screw rod 402, thereby baffle 403 cooperation disc 5 alright fix straight tube 1 in casing 301 department, afterwards be connected with vehicle air conditioner pipeline and air-blower respectively with the both ends of straight tube 1 through flange 2, the air-blower blows the wind into straight tube 1, when case 305 is open state, for first type vehicle air conditioner pressure check out, a portion of wind can flow into the shell through ventilation channel 6 on straight tube 1, rethread below gas pressure sensor 8 detects, when case 303 control case 1's passageway is closed, for second type vehicle air conditioner pressure check out, wind in the straight tube 1 can all flow into casing 301 through ventilation channel 6, rethread below gas pressure sensor 8 detects, like this, the data has more accurately been carried out for the comparison in order to have avoided the maximum degree of accuracy to obtain the air conditioner effect in comparison, the air conditioner effect has further been avoided.

Example 2: referring to fig. 1-5, in this embodiment, the present utility model provides a technical solution: the connecting device 4 can further comprise an end cover 4A1, and the end cover 4A1 is in threaded connection with the shell 301 through 4 bolts;

an end cap 4A1 may be provided on the front end surface of the housing 301, so that the inner structure of the housing 301 can be easily inspected and repaired by the end cap 4 A1.

In this embodiment, when the operator needs to use the high-precision automobile air conditioner pressure detection device, the end cover 4A1 may be disposed on the front end surface of the housing 301, so that the maintenance and the like of the internal structure of the housing 301 are facilitated through the end cover 4 A1.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims (5)

1. The utility model provides a high accurate vehicle air conditioner pressure detection equipment, includes straight tube (1) and flange (2), the left and right sides rigid coupling of straight tube (1) has flange (2), its characterized in that: the novel straight pipe is characterized in that discs (5) are fixedly connected to the outer walls of the left side and the right side of the straight pipe (1), a plurality of ventilation channels (6) are formed in the middle of the straight pipe (1), a detection device (3) is mounted on the outer wall of the middle of the straight pipe (1), and connecting devices (4) are mounted on the two sides of the detection device (3).

2. The high-precision automotive air conditioner pressure detection device according to claim 1, wherein: the detection device (3) comprises a shell (301), the shell (301) is located on the middle outer wall of the straight pipe (1), a sealing ring (302) is fixedly connected to the inner wall of a through hole of the shell (301), the inner portion of the sealing ring (302) is tightly attached to the outer wall of the straight pipe (1), a valve body (303) is arranged above the inner portion of the shell (301), the lower portion of the valve body (303) is fixedly connected with the straight pipe (1), a valve rod (304) is connected to the lower portion of the valve body (303), the valve rod (304) is connected with the straight pipe (1) in a rotating mode through a plurality of bearings, a valve core (305) is fixedly connected to the middle outer wall of the valve rod (304), and the outer wall of the valve core (305) is attached to the inner wall of the straight pipe (1).

3. The high-precision automotive air conditioner pressure detection device according to claim 2, wherein: the lower part of the shell (301) is fixedly connected with a screen plate (7), the right side of the screen plate (7) is provided with a gas pressure sensor (8), and the upper outer wall of the gas pressure sensor (8) is fixedly connected with the inside of the shell (301).

4. The high-precision automotive air conditioner pressure detection device according to claim 1, wherein: connecting device (4) are including diaphragm (401), control a plurality of the inboard of diaphragm (401) is linked together with casing (301), the inside threaded connection of diaphragm (401) has screw rod (402), upper and lower baffle (403) are installed to the inboard of screw rod (402), the one end outer wall of baffle (403) and the recess department inner wall clearance fit of disc (5), and the other end of baffle (403) is connected with a plurality of arc pieces (404) through the pivot rotation, the outer wall and the casing (301) of arc piece (404) are linked together.

5. The high-precision automobile air conditioner pressure detection device according to claim 4, wherein: a handle (9) is fixedly connected to the outer sides of the upper and lower screw rods (402).