CN218297783U - Pressure detection device - Google Patents

Pressure detection device Download PDF

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Publication number
CN218297783U
CN218297783U CN202220893570.8U CN202220893570U CN218297783U CN 218297783 U CN218297783 U CN 218297783U CN 202220893570 U CN202220893570 U CN 202220893570U CN 218297783 U CN218297783 U CN 218297783U
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China
Prior art keywords
pressure
refrigerant
filtering
air conditioner
pressure detection
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CN202220893570.8U
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Inventor
旷华山
古湘龙
侯华金
李先峰
黄博伦
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Gree Electric Appliances Inc of Zhuhai
Gree Changsha HVAC Equipment Co Ltd
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Gree Electric Appliances Inc of Zhuhai
Gree Changsha HVAC Equipment Co Ltd
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Abstract

The present application relates to a pressure detection device. The device includes: detection module and pipeline coupling assembling, pipeline coupling assembling is used for being connected with the outer machine of air conditioner, make the refrigerant form circulation return circuit, including filtering the communicating body and connecting pipe, the connecting pipe is connected in the export and the entry of filtering the communicating body, the refrigerant passes through the connecting pipe promptly and filters the communicating body, it plays the effect of refrigerant circulation to filter the communicating body, and possess the effect of filtering impurity, make the impurity of sneaking into among the pressure measurement device can not flow into air conditioner compressor along with the refrigerant, detection module connects on filtering the communicating body, can detect whether the refrigerant pressure of flowing through accords with the requirement standard. The scheme that this application provided can enough test refrigerant management pressure, and impurity can not flow the inside accumulation of compressor cylinder body along with the refrigerant yet to protect air conditioning system.

Description

Pressure detection device
Technical Field
The application relates to the technical field of air conditioner detection, in particular to a pressure detection device.
Background
At present, the pressure test of a refrigerant pipeline is needed before the air conditioner external unit leaves a factory, the air conditioner external unit is mostly adopted in the industry to simulate the test, namely the pressure test is carried out by connecting copper pipes, the used copper pipes are simply processed and manufactured, and impurities are mixed during processing, storage and turnover in the manufacturing process, for example, a small amount of oxide is generated on the inner wall of a copper pipe during welding, when the air conditioner external unit is subjected to a simulation test, impurities flow into the compressor cylinder along with a refrigerant and are accumulated, so that the cylinder is abraded, and the impurities (such as copper scraps, aluminum scraps, oxide skin and the like) are attached to a terminal to conduct ignition, so that a ground short circuit fault phenomenon and cylinder impact damage are caused, and the product quality is influenced.
Therefore, in order to protect the air-conditioning compressor and the pipeline system, improve the performance of the whole machine and improve the safety and the comfort of the use of customers, a pressure detection device needs to be researched and designed, so that the management pressure of the refrigerant can be tested, and impurities cannot flow into the compressor cylinder body along with the refrigerant and accumulate, thereby protecting the air-conditioning system.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the application provides the pressure detection device which can test the management pressure of the refrigerant, and impurities cannot flow into the compressor cylinder body together with the refrigerant and accumulate, so that the air conditioning system is protected.
The first aspect of the application provides a pressure detection device for detecting pressure fluctuation of a compressor, which comprises a detection component and a pipeline connecting component,
the pipeline connecting assembly comprises a filtering communicating body and a connecting pipe;
the connecting pipe is arranged at the inlet and the outlet of the filtering communicating body;
the detection assembly is connected to the filtering communicating body and used for detecting the refrigerant pressure of the air conditioner pipeline;
the connecting pipe is used for being connected with an air conditioner external unit.
In one embodiment, the detection assembly includes pressure sensors respectively disposed on the filtering communicating bodies and a controller in signal connection with the pressure sensors.
In one embodiment, the filtering communicating body comprises a shell and a filter screen, the filter screen is arranged in the shell, and the shell is in a cylinder or a cuboid shape.
In an embodiment, the pressure detection device further includes a right-angle communication elbow, the right-angle communication elbow is disposed at the connection end of the connection pipe, and the connection end is the end of the connection pipe connected to the external unit of the air conditioner.
In one embodiment, the right-angle communication elbow comprises a first right-angle communication elbow and a second right-angle communication elbow, the first right-angle communication elbow is used for being communicated with a first joint of an air conditioner external unit, and the second right-angle communication elbow is used for being communicated with a second joint of the air conditioner external unit.
In one embodiment, the filtering communicating body is provided with a sensor connecting port connected with a pressure sensor, and the sensor connecting port is in a threaded connecting port structure.
In one embodiment, the filtering communicating body further comprises end covers, the end covers are arranged at the outlet end and the inlet end of the filtering communicating body, and the inlet and the outlet of the filtering communicating body are arranged on the end covers.
In one embodiment, the end cap inner bottom is provided with a sealing ring.
In one embodiment, the sensor connection port is provided in the end cap.
In an embodiment, the pressure detection device further includes a hook, and the hook is disposed on the filtering communicating body and used for hanging the pressure detection device.
The technical scheme provided by the application can comprise the following beneficial effects: the pressure detection device is used for detecting the pressure fluctuation of the air conditioner compressor and comprises a detection assembly and a pipeline connecting assembly.
The pipeline connecting assembly is used for being connected with the air conditioner outer unit, makes the refrigerant form the circulation return circuit, including filtering the connector and connecting pipe, the connecting pipe is connected in the export and the entry of filtering the connector, and the refrigerant passes through the connecting pipe promptly and filters the connector, filters the connector and plays the effect of refrigerant circulation to possess the effect of filtering impurity, make the impurity of sneaking into among the detection device can not flow into air conditioner compressor along with the refrigerant.
The detection assembly is connected to the filtering communicating body, and can detect whether the pressure of the flowing refrigerant meets the requirement standard, so that the pressure detection device can test the management pressure of the refrigerant, and impurities cannot flow into the compressor cylinder body together with the refrigerant to be accumulated, so that the air conditioning system is protected.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.
Fig. 1 is a schematic structural diagram of a pressure detection device according to an embodiment of the present application;
FIG. 2 is a schematic side view of a pressure detection device according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram illustrating simulated cooling and heating mode refrigerant trend operation of the pressure detection device according to the embodiment of the present application.
Detailed Description
Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Example one
At present, the pressure test of a refrigerant pipeline is needed before the air conditioner external unit leaves a factory, the air conditioner external unit is mostly adopted in the industry to simulate the test, namely the pressure test is carried out by connecting copper pipes, the used copper pipes are simply processed and manufactured, and impurities are mixed during processing, storage and turnover in the manufacturing process, for example, a small amount of oxide is generated on the inner wall of a copper pipe during welding, when the air conditioner external unit is subjected to a simulation test, impurities flow into the compressor cylinder along with a refrigerant and are accumulated, so that the cylinder is abraded, and the impurities (such as copper scraps, aluminum scraps, oxide skin and the like) are attached to a terminal to conduct ignition, so that a ground short circuit fault phenomenon and cylinder impact damage are caused, and the product quality is influenced.
Therefore, in order to protect the air-conditioning compressor and the pipeline system, improve the performance of the whole machine and improve the safety and comfort of the use of customers, a pressure detection device needs to be researched and designed, the refrigerant management pressure can be tested, and impurities cannot flow into the compressor cylinder body along with the refrigerant and accumulate, so that the air-conditioning system is protected.
To solve the above problem, the embodiment of the application provides a pressure detection device, which can test the management pressure of the refrigerant, and impurities do not flow into the compressor cylinder together with the refrigerant and accumulate inside the compressor cylinder.
The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a pressure detection device according to an embodiment of the present application;
fig. 2 is a schematic side view of a pressure detection device according to an embodiment of the present application.
See fig. 1 and 2.
The pressure detection device 1 of the embodiment of the application is used for detecting the pressure fluctuation of the compressor and comprises a detection component and a pipeline connecting component,
the detection component comprises but not limited to a pressure sensor, and the pressure sensor can detect the pressure fluctuation of the compressor and further judge whether the performance of the air conditioner outdoor unit is normal or not according to the detected pressure condition.
Pipeline coupling assembling is including filtering the connector 11 and connecting pipe 12, and the both ends of filtering the connector 11 are located to connecting pipe 12, specifically for connecting in the export and the entry A of filtering the connector 11, and this application embodiment does not do mandatory restriction to the export and the entry A of filtering the connector 11, and the mouth that the refrigerant got into promptly is the entry, and the mouth that flows out is the export. In general, the conventional air conditioner uses two modes, i.e., a cooling mode and a heating mode, and the refrigerant circulation circuits of the cooling mode and the heating mode are opposite to each other, and the directions of the refrigerant flowing through the filtering communicating member 11 in the two modes are opposite to each other, and the outlet and the inlet a of the filtering communicating member 11 are also opposite to each other, so that the outlet and the inlet a of the present embodiment can be interchanged.
The connecting pipe 12 is used for connecting with an air conditioner external unit to form a communication loop, so as to test the pressure of the refrigerant of the air conditioner compressor 2. The exemplary hose connecting pipe 12 that adopts of connecting pipe 12 of this application embodiment, the specification size of connecting pipe 12 should be according to the outer quick-witted first joint of air conditioner and second joint and set up, and connecting pipe 12 can make things convenient for operating personnel to adjust the position for the hose material, eliminates the position to interfere, can realize the butt joint with air condition compressor 2 fast.
The shape and material of the filtering communication body 11 are not limited in the embodiments of the present application, and the invention design regarding the shape and material is within the scope of the invention of the present application.
The utility model provides a filter link 11 has not only played the intercommunication air conditioner external machine pipeline, can also play the filtration and filter the refrigerant of flowing through, the impurity that has avoided the 1 sneak into of pressure measurement device who mentions among the prior art can flow into air condition compressor 2 along with the refrigerant to thick stick accumulation in the compressor causes the cylinder body wearing and tearing, perhaps impurity (copper fillings, aluminium fillings, cinder etc.) adhere to on the terminal and switch on the strike sparks to ground short circuit fault phenomenon and cylinder body impact damage, influence product quality's the condition.
The beneficial effects of the embodiment of the application are as follows: this pressure detection device is used for detecting air condition compressor's pressure fluctuation, detection module and pipeline coupling assembling have been included, pipeline coupling assembling is used for being connected with the outer machine of air conditioner, make the refrigerant form circulation return circuit, including filtering communicating body and connecting pipe, the connecting pipe is connected in the export and the entry of filtering the communicating body, the refrigerant passes through the connecting pipe promptly and filters the communicating body, filter the effect that the communicating body played the refrigerant circulation, and possess the effect of filtering impurity, make the impurity of sneaking into among the detection device can not flow into air condition compressor along with the refrigerant, detection module connects on filtering the communicating body, can detect whether the refrigerant pressure of flowing through meets the requirement standard, therefore this pressure detection device, can enough test refrigerant management pressure, impurity can not flow to the inside accumulation of compressor cylinder body along with the refrigerant yet, thereby protect air conditioning system.
Example two
The embodiment of the present application further introduces a pressure detection apparatus, and the pressure detection apparatus of the embodiment of the present application includes the structure of the embodiment described above.
Fig. 3 is a schematic diagram illustrating a refrigerant direction operation of a simulated cooling and heating mode of the pressure detection device according to the embodiment of the present application.
See fig. 3.
The pressure detection device 1 of the embodiment of the application comprises a detection component and a pipeline connecting component,
the pipeline connecting assembly comprises a filtering communicating body 11 and a connecting pipe 12, and the connecting pipe 12 is connected to an inlet and an outlet A of the filtering communicating body 11.
The detection assembly is connected to the filtering communicating body 11 and used for detecting the refrigerant pressure of the air conditioner pipeline; the connection pipe 12 is used for connecting an air conditioner external unit.
The detection assembly of this application embodiment includes pressure sensor and controller, and on pressure sensor located filtration communicating body 11 respectively, controller and pressure sensor signal connection.
For example, the number of the pressure sensors may be two, and the two pressure sensors are respectively disposed at the outlet end and the inlet end B of the filtering communicating body 11, so that the data detected by the two pressure sensors is more accurate and has reference value.
Specifically, the air conditioner external unit is connected through a connecting pipe 12 to form a refrigerant circulation loop, and a pressure sensor is mounted on the filtering communicating body 11 and is in signal connection with the controller.
When the air conditioner is in a cooling mode, the refrigerant flows from the air conditioner compressor 2, through the condenser 3, through the capillary tube 4, and then flows back to the air conditioner compressor 2 through the pressure detection device 1. An operator inputs a pressure standard range value of an air conditioner to be tested on a controller in advance, the pressure standard range value is (x-n) - (x + n) Mpa, a refrigerant in an air conditioner compressor 2 flows through a filtering communicating body 11 through a connecting pipe 12, a pressure sensor collects the pressure of the refrigerant in the filtering communicating body 11 and transmits the pressure to the controller, the controller automatically calls the pressure standard range value (x-n) - (x + n) Mpa input in advance to serve as a reference value to judge whether the performance of an air conditioner outdoor unit is qualified, if the pressure value collected by the pressure sensor is within the pressure standard range value, the air conditioner outdoor unit is qualified, and if not, the air conditioner outdoor unit is unqualified. And if the product is not qualified, notifying an operator to process the product. If the product is qualified, the next procedure is carried out, so that the product performance is improved, and the operation of staff is convenient.
When the air conditioner is in the heating mode, the refrigerant flows from the air conditioner compressor 2, through the pressure detection device 1, through the capillary tube 4, and then through the condenser 3 to flow back to the air conditioner compressor 2. An operator inputs a pressure standard range value of an air conditioner to be tested on a controller in advance, the pressure standard range value is (y-n) - (y + n) Mpa, a refrigerant in an air conditioner compressor 2 flows through a filtering communicating body 11 through a connecting pipe 12, a pressure sensor collects the pressure of the refrigerant in the filtering communicating body 11 and transmits the pressure to the controller, the controller automatically calls the pressure standard range value (y-n) - (y + n) Mpa input in advance to serve as a reference value to judge whether the performance of an air conditioner outdoor unit is qualified, if the pressure value collected by the pressure sensor is within the pressure standard range value, the air conditioner outdoor unit is qualified, and if not, the air conditioner outdoor unit is unqualified. And if the product is not qualified, notifying an operator to process the product. If the product is qualified, the next procedure is carried out, so that the product performance is improved, and the operation of staff is convenient.
The filter communicating body 11 of the embodiment of the application comprises a shell and a filter screen, the material of the shell is not limited, the filter screen is arranged in the shell, the refrigerant flowing through the filter communicating body 11 passes through the filter screen for filtration, and impurities cannot flow into the air conditioner compressor 2 along with the refrigerant. In addition, the housing shape of the filtration communication body 11 in the embodiment of the present application is a cylindrical body or a rectangular parallelepiped structure, and the specific dimensions are not limited in the embodiment of the present application.
The beneficial effects of the embodiment of the application are as follows: the detection assembly comprises a pressure sensor and a controller, the pressure sensor can collect and transmit refrigerant pressure data to the controller, the controller automatically calls a pre-input pressure standard range value to serve as a reference value to judge whether the machine performance is qualified or not, the pressure detection mode is convenient and accurate to detect, the accuracy of product performance detection is improved, and the quality of products is improved.
EXAMPLE III
The pressure detection device of the embodiment of the application comprises the pressure detection device structure introduced in the first embodiment or the second embodiment, and further comprises a right-angle communication elbow.
Fig. 1 is a schematic structural diagram of a pressure detection apparatus according to an embodiment of the present application;
fig. 2 is a schematic side view of a pressure detection device according to an embodiment of the present application.
See fig. 1 and 2.
The right-angle communication elbow 13 is arranged at the connecting end of the connecting pipe 12, and the connecting end is the end of the connecting pipe 12 connected with an air conditioner external unit. The right-angle communicating elbow 13 comprises a first right-angle communicating elbow 13 and a second right-angle communicating elbow 13, the first right-angle communicating elbow 13 is used for being communicated with a first joint of an air conditioner outdoor unit, and the second right-angle communicating elbow 13 is used for being communicated with a second joint of the air conditioner outdoor unit.
The material of the communicating elbow of the embodiment of the application exemplarily adopts stainless steel material, and the arrangement of the right-angle communicating elbow 13 can be convenient for an operator to hold the first joint and the second joint which are butted to an air conditioner outdoor unit by force.
Furthermore, a sensor connecting port 141 for connecting the pressure sensor is provided on the filtering communicating body 11, the sensor connecting port 141 is a threaded connecting port, and the threaded connecting port facilitates the pressure sensor to be mounted and connected to the filtering communicating body 11 by means of a knob.
Further, the filtering communicating body 11 of the embodiment of the present application further includes an end cover 14, the end cover 14 is disposed at the outlet end and the inlet end B of the filtering communicating body 11, the inlet and the outlet a of the filtering communicating body 11 are disposed at the end cover 14, and a sealing ring is disposed at the inner bottom of the end cover 14. The end cover 14 of this application embodiment can design into the screw thread and can unscrew, screw up the dismantlement structure, and the inner bottom is equipped with the sealing washer, can play sealed effect, and the detachable structure can regularly clear up the impurity of filtering the intercommunication body 11, improves the life of filtering the intercommunication body 11.
Further, the sensor connection port 141 according to the embodiment of the present application may be provided on the end cap 14.
The pressure detection device 1 of the embodiment of the application further comprises a hook 15, and the hook 15 is arranged on the filtering communicating body 11 and used for hanging the pressure detection device 1. Exemplarily, couple 15 of pressure measurement device 1 of this application embodiment can set up at pressure measurement device top intermediate position, and couple 15 can realize hanging in the position that needs to place, and the detection operating personnel of being convenient for need not action such as bowing when the operation, and the security and the convenience of operation are improved to the pressure measurement device of taking.
The beneficial effects of the embodiment of the application are as follows: pressure measurement passes through the setting of right angle intercommunication elbow, can be convenient for operating personnel hold the first joint of atress butt-joint to the outer machine of air conditioner, on the second joint, setting through the end cover, the screw thread can be designed into to the end cover, screw up and dismantle the structure, the inner bottom is equipped with the sealing washer, can play sealed effect, the detachable structure can regularly clear up the impurity of filtering the communicating body, the life of filtering the communicating body is prolonged, through the setting of couple, can realize hanging and accomodate pressure measurement device, be convenient for detect operation personnel when the operation, the pressure measurement device of taking need not actions such as bowing, the security and the convenience of operation improve.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. A pressure detection device is used for detecting the pressure fluctuation of an air conditioner compressor and is characterized in that: a detection component and a pipeline connecting component,
the pipeline connecting assembly comprises a filtering communicating body (11) and a connecting pipe (12);
the connecting pipe (12) is arranged at the inlet and the outlet (A) of the filtering communicating body (11);
the detection assembly is connected to the filtering communicating body (11) and is used for detecting the refrigerant pressure of an air conditioner pipeline;
the connecting pipe (12) is used for being connected with an air conditioner external unit.
2. The pressure detection apparatus according to claim 1, characterized in that:
the detection assembly comprises a pressure sensor and a controller, the pressure sensor is respectively arranged on the filtering communicating body (11), and the controller is in signal connection with the pressure sensor.
3. The pressure detection apparatus according to claim 1, characterized in that:
the filtering communicating body (11) comprises a shell and a filter screen, the filter screen is arranged in the shell, and the shell is in a cylinder or cuboid shape.
4. The pressure detection apparatus according to claim 1, characterized in that:
the pressure detection device further comprises a right-angle communication elbow (13), the right-angle communication elbow (13) is arranged at the machine-connecting end of the connecting pipe (12), and the machine-connecting end is the end, connected with the air conditioner external unit, of the connecting pipe (12).
5. The pressure detection apparatus according to claim 4, characterized in that:
the right-angle communication elbow (13) comprises a first right-angle communication elbow and a second right-angle communication elbow, the first right-angle communication elbow is used for being communicated with a first joint of an air conditioner external unit, and the second right-angle communication elbow is used for being communicated with a second joint of the air conditioner external unit.
6. The pressure detection device according to claim 2, characterized in that:
the filtering communicating body (11) is provided with a sensor connecting port (141) connected with a pressure sensor, and the sensor connecting port (141) is in a threaded connecting port structure.
7. The pressure detection apparatus according to claim 6, characterized in that:
the filtering communicating body (11) further comprises an end cover (14), the end cover is arranged at the outlet end and the inlet end (B) of the filtering communicating body (11), and the inlet and the outlet (A) of the filtering communicating body (11) are arranged at the end cover (14).
8. The pressure detection apparatus according to claim 7, characterized in that:
and a sealing ring is arranged at the inner bottom of the end cover (14).
9. The pressure detection apparatus according to claim 7, characterized in that:
the sensor connecting port (141) is provided in the end cap (14).
10. The pressure detection apparatus according to claim 1, characterized in that:
the pressure detection device further comprises a hook (15), wherein the hook (15) is arranged on the filtering communicating body (11) and used for hanging the pressure detection device.
CN202220893570.8U 2022-04-18 2022-04-18 Pressure detection device Active CN218297783U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220893570.8U CN218297783U (en) 2022-04-18 2022-04-18 Pressure detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220893570.8U CN218297783U (en) 2022-04-18 2022-04-18 Pressure detection device

Publications (1)

Publication Number Publication Date
CN218297783U true CN218297783U (en) 2023-01-13

Family

ID=84804001

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220893570.8U Active CN218297783U (en) 2022-04-18 2022-04-18 Pressure detection device

Country Status (1)

Country Link
CN (1) CN218297783U (en)

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