CN219755955U - Unit pressure measuring vehicle - Google Patents
Unit pressure measuring vehicle Download PDFInfo
- Publication number
- CN219755955U CN219755955U CN202321234454.6U CN202321234454U CN219755955U CN 219755955 U CN219755955 U CN 219755955U CN 202321234454 U CN202321234454 U CN 202321234454U CN 219755955 U CN219755955 U CN 219755955U
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- Prior art keywords
- capillary tube
- panel
- pressure
- frame
- unit
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- 239000003507 refrigerant Substances 0.000 claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 239000013589 supplement Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a unit pressure measuring vehicle which comprises a frame, a panel, a working tray and a pressure measuring assembly, wherein the panel is arranged on the frame; the panel is vertically arranged on the frame, the working tray is fixedly arranged on the panel, and the plurality of pressure measuring assemblies are arranged on the panel; the pressure measurement assembly comprises a pressure test sensor, a refrigerant source, a first capillary tube assembly and a second capillary tube assembly, and the pressure test sensor, the refrigerant source, the first capillary tube assembly and the second capillary tube assembly are connected through a four-way valve. The utility model has the beneficial effects that: the device is provided with a plurality of pressure measuring assemblies, and the method for bypass of the pipeline during testing opens the first valve, so that the high and low pressure of a plurality of systems of the unit can be tested at the same time, and the speed for measuring the pressure of the unit can be improved; the operation is simple.
Description
Technical Field
The utility model belongs to the field of measurement, and particularly relates to a unit pressure measuring vehicle.
Background
In the prior art, the pressure of a unit needs to be measured, and the high-pressure and the low-pressure of the unit need to be measured;
when the pressure of the unit is tested, the pressure of the unit system can only be tested by a single system, and the pressure of the unit system cannot be tested quickly due to low testing efficiency caused by inconvenient use.
Disclosure of Invention
In view of the above, the utility model aims to provide a unit pressure measuring vehicle to solve the problems of low testing efficiency and incapability of rapid detection.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the unit pressure measuring vehicle comprises a frame, a panel, a working tray and a pressure measuring assembly, wherein the panel is arranged on the frame; the panel is vertically arranged on the frame, the working tray is fixedly arranged on the panel, and the plurality of pressure measuring assemblies are arranged on the panel;
the pressure measurement assembly comprises a pressure test sensor, a refrigerant source, a first capillary tube assembly and a second capillary tube assembly, and the pressure test sensor, the refrigerant source, the first capillary tube assembly and the second capillary tube assembly are connected through a four-way valve. The working tray is arranged, so that other related tools and instruments for measuring, filling and testing the refrigerant can be placed at the same time.
Further, the number of the pressure measuring components is 4.
Preferably, 4 pressure measurement assemblies are disposed on both sides of the panel.
Further, the first capillary tube assembly comprises a main capillary tube and a first valve, the main capillary tube is connected with the four-way valve, and the first valve is arranged on the main capillary tube.
Further, the second capillary tube assembly comprises a bypass capillary tube and a second valve, the bypass capillary tube is connected with the four-way valve, and the second valve is arranged on the bypass capillary tube.
Preferably, the first valve and the second valve are manual valves.
The main capillary tube and the bypass capillary tube are all capillary tubes with the inner diameter of 3mm, so that the loss of the refrigerant quantity in the unit can be reduced, and the high-pressure and the low-pressure values of the unit can be measured on the premise of minimum loss of the refrigerant quantity of the unit.
Further, the bottom of the frame is provided with a plurality of pulleys, and the pulleys are arranged around the bottom of the frame.
Preferably, the pulley is 4 universal wheels and has a braking function, and the pulley can move according to the use position in the test process.
Further, the panel is vertically arranged on the frame, two sides of the bottom of the panel are connected with the frame through the first mounting frame, and two sides of the top of the panel are fixedly connected with the working tray through the second mounting frame.
Preferably, the number of the first installation frames is 4, and two first installation frames are arranged on two sides of the panel.
The quantity of second mounting bracket is 4, and two second mounting brackets set up the both sides at the panel.
Preferably, the cold source is a refrigerant tank, and the refrigerant tank is connected with the four-way valve through a refrigerant pipeline.
Compared with the prior art, the unit pressure measuring vehicle has the following advantages:
1. the device is provided with a plurality of pressure measuring assemblies, and the method for bypass of the pipeline during testing opens the first valve, so that the high and low pressure of a plurality of systems of the unit can be tested at the same time, and the speed for measuring the pressure of the unit can be improved; the operation is simple.
2. The bottom of this device is equipped with the pulley, and in the testing process, can remove according to the position of use.
3. The test shows that the refrigerant quantity of the unit is insufficient, the first valve can be closed, the opened path is connected with the hand valve of the refrigerant tank to supplement refrigerant for the unit to be tested, and the upper side of the hand valve is connected with the precise pressure gauge to perform a verification function on the pressure sensor, so that the accuracy can be improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a unit pressure measurement vehicle according to an embodiment of the present utility model;
fig. 2 is a schematic side view of a unit pressure measurement vehicle according to an embodiment of the utility model.
Reference numerals illustrate:
1. a frame; 2. a panel; 3. a work tray; 4. a pressure test sensor; 5. a four-way valve; 6. a main capillary; 7. a first valve; 8. a bypass capillary; 9. a second valve; 10. a pulley; 11. a pressure measurement assembly; 12. a first mounting frame; 13. and a second mounting frame.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 2, the unit pressure measuring vehicle comprises a frame 1, a panel 2, a working tray 3 and a pressure measuring assembly 11, wherein the panel 2 is arranged on the frame 1; the panel 2 is vertically arranged on the frame 1, the working tray 3 is fixedly arranged on the panel 2, and a plurality of pressure measuring assemblies 11 are arranged on the panel 2; the pressure measurement assembly 11 comprises a pressure test sensor 4, a refrigerant source, a first capillary tube assembly and a second capillary tube assembly, and the pressure test sensor 4, the refrigerant source, the first capillary tube assembly and the second capillary tube assembly are connected through a four-way valve 5. The working tray 3 is arranged, so that other related tools and instruments for measuring, filling and testing the unit can be placed at the same time.
The number of pressure measuring assemblies 11 is 4.
In the specific embodiment, 4 pressure measuring assemblies 11 are disposed two by two on both sides of the panel 2.
The first capillary tube assembly comprises a main capillary tube 6 and a first valve 7, wherein the main capillary tube 6 is connected with the four-way valve 5, and the first valve 7 is arranged on the main capillary tube 6. The second capillary tube assembly comprises a bypass capillary tube 8 and a second valve 9, wherein the bypass capillary tube 8 is connected with the four-way valve 5, and the second valve 9 is arranged on the bypass capillary tube 8.
In a specific embodiment, the first valve 7 and the second valve 9 are manual valves.
The main capillary tube 6 and the bypass capillary tube are all capillary tubes with the inner diameter of 3mm, so that the loss of the refrigerant quantity in the unit can be reduced, and the high-pressure and the low-pressure values of the unit can be measured on the premise of minimum loss of the refrigerant quantity of the unit. The bottom of the frame 1 is provided with a plurality of pulleys 10, and the pulleys 10 are arranged around the bottom of the frame 1.
In the specific embodiment, the pulley 10 is provided with 4 universal wheels and has a braking function, and can move according to the use position during the test. The panel 2 sets up perpendicularly on frame 1, and the both sides of panel 2 bottom are connected with frame 1 through first mounting bracket 12, and the both sides at panel 2 top are through second mounting bracket 13 and work tray 3 fixed connection.
In a specific embodiment, the number of the first mounting frames 12 is 4, and two first mounting frames 12 are disposed on two sides of the panel 2. The number of the second installation frames 13 is 4, and two second installation frames 13 are arranged on two sides of the panel 2. The cold source is a refrigerant tank, and the refrigerant tank is connected with the four-way valve 5 through a refrigerant pipeline.
In the specific embodiment, the device is provided with a plurality of pressure measuring assemblies 11, the method of pipeline bypass during testing is used for opening the first valve 7, so that the high and low pressure of a plurality of systems of the unit can be tested at the same time, and the speed of measuring the pressure of the unit can be improved; in the testing process, the device can move according to the using position, is simple to operate, and can be used for detecting that the refrigerant quantity of the unit is insufficient in the testing, closing the first valve 7, opening a path to be connected with a hand valve of the refrigerant tank to supplement refrigerant for the tested unit, and the upper side of the device is connected with a precision pressure gauge to perform a verification function on pressure sensing, so that the accuracy can be improved. The main capillary tube and the bypass capillary tube are all capillary tubes with the inner diameter of 3mm, so that the loss of the refrigerant quantity in the unit can be reduced, and the high-pressure and the low-pressure values of the unit can be measured on the premise of minimum loss of the refrigerant quantity of the unit.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a unit pressure measurement car which characterized in that: the device comprises a frame (1), a panel (2), a working tray (3) and a pressure measurement assembly (11), wherein the panel (2) is arranged on the frame (1); the panel (2) is vertically arranged on the frame (1), the working tray (3) is fixedly arranged on the panel (2), and the plurality of pressure measuring assemblies (11) are arranged on the panel (2);
the pressure measurement assembly (11) comprises a pressure test sensor (4), a refrigerant source, a first capillary tube assembly and a second capillary tube assembly, and the pressure test sensor (4), the refrigerant source, the first capillary tube assembly and the second capillary tube assembly are connected through a four-way valve (5).
2. A unit pressure measurement vehicle according to claim 1, wherein: the number of the pressure measuring assemblies (11) is 4.
3. A unit pressure measurement vehicle according to claim 1, wherein: the first capillary tube assembly comprises a main capillary tube (6) and a first valve (7), the main capillary tube (6) is connected with the four-way valve (5), and the first valve (7) is arranged on the main capillary tube (6).
4. A unit pressure measurement vehicle according to claim 1, wherein: the second capillary tube assembly comprises a bypass capillary tube (8) and a second valve (9), the bypass capillary tube (8) is connected with the four-way valve (5), and the second valve (9) is arranged on the bypass capillary tube (8).
5. A unit pressure measurement vehicle according to claim 1, wherein: the bottom of the frame (1) is provided with a plurality of pulleys (10), and the pulleys (10) are arranged around the bottom of the frame (1).
6. A unit pressure measurement vehicle according to claim 1, wherein: the panel (2) is vertically arranged on the frame (1), two sides of the bottom of the panel (2) are connected with the frame (1) through first mounting frames (12), and two sides of the top of the panel (2) are fixedly connected with the working tray (3) through second mounting frames (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321234454.6U CN219755955U (en) | 2023-05-19 | 2023-05-19 | Unit pressure measuring vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321234454.6U CN219755955U (en) | 2023-05-19 | 2023-05-19 | Unit pressure measuring vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219755955U true CN219755955U (en) | 2023-09-26 |
Family
ID=88082702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321234454.6U Active CN219755955U (en) | 2023-05-19 | 2023-05-19 | Unit pressure measuring vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219755955U (en) |
-
2023
- 2023-05-19 CN CN202321234454.6U patent/CN219755955U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |