CN116857423A - Anti-blocking electronic expansion valve, air conditioner and control method - Google Patents

Anti-blocking electronic expansion valve, air conditioner and control method Download PDF

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Publication number
CN116857423A
CN116857423A CN202310966773.4A CN202310966773A CN116857423A CN 116857423 A CN116857423 A CN 116857423A CN 202310966773 A CN202310966773 A CN 202310966773A CN 116857423 A CN116857423 A CN 116857423A
Authority
CN
China
Prior art keywords
electronic expansion
expansion valve
valve body
vibrator
outlet flow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310966773.4A
Other languages
Chinese (zh)
Inventor
穆庆利
王魏明
罗祖春
李敬胜
徐开轩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Smart Technology R&D Co Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Smart Technology R&D Co Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Smart Technology R&D Co Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202310966773.4A priority Critical patent/CN116857423A/en
Publication of CN116857423A publication Critical patent/CN116857423A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025—Electrical or magnetic means
    • F16K37/005—Electrical or magnetic means for measuring fluid parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Abstract

The application belongs to the technical field of air conditioners, and particularly relates to an anti-blocking electronic expansion valve, an air conditioner and a control method. The anti-blocking electronic expansion valve comprises an electronic expansion valve body, a vibrator, a detection piece and a controller; the vibrator is connected with the electronic expansion valve body to drive the electronic expansion valve body to vibrate, and the vibrator is electrically connected with the controller; the detection piece is used for detecting the outlet flow of the electronic expansion valve body, and the detection piece and the vibrator are electrically connected with the controller; when the outlet flow of the electronic expansion valve body is smaller than or equal to a preset value, the controller controls the vibrator to vibrate so as to drive the electronic expansion valve body to vibrate, and the outlet flow is increased. The anti-blocking electronic expansion valve reduces the blocking or blocking of the electronic expansion valve and has the effect of keeping the refrigerating capacity of an air conditioner.

Description

Anti-blocking electronic expansion valve, air conditioner and control method
Technical Field
The application belongs to the technical field of air conditioners, and particularly relates to an anti-blocking electronic expansion valve, an air conditioner and a control method.
Background
With the development of economic construction, the living standard of people is continuously improved, and air conditioners enter thousands of households. In air conditioning, an electronic expansion valve is typically used to control the flow of refrigerant.
In the prior art, the internal structure of the electronic expansion valve is a precise component, a controller formed by coils is sleeved outside the electronic expansion valve, and the on-off path of the electronic expansion valve is controlled by controlling the energizing mode of the coils.
When fine dirt in the condensing agent pipe of the air conditioner enters, valve core components of the electronic expansion valve are worn, lubrication action of system refrigerating oil is lost, the electronic expansion valve is blocked or plugged, driving torque of an original controller is smaller than friction resistance of the valve core, and the valve is opened and fails, so that refrigeration failure of the air conditioner is caused.
Disclosure of Invention
The application provides an anti-blocking electronic expansion valve, an air conditioner and a control method, which are used for solving the problem that the refrigeration failure of the air conditioner is caused by the blocking or blocking of the electronic expansion valve.
In a first aspect, the application provides an anti-blocking electronic expansion valve, comprising an electronic expansion valve body, a vibrator, a detection piece and a controller;
the vibrator is connected with the electronic expansion valve body to drive the electronic expansion valve body to vibrate, and the vibrator is electrically connected with the controller; the detection piece is used for detecting the outlet flow of the electronic expansion valve body, and the detection piece and the vibrator are electrically connected with the controller;
and when the outlet flow of the electronic expansion valve body is smaller than or equal to a preset value, the controller controls the vibrator to vibrate so as to drive the electronic expansion valve body to vibrate, so that the outlet flow is increased.
In the above preferable technical solution of the anti-blocking electronic expansion valve, the controller controls the vibrator to stop vibrating when the detecting member detects that the outlet flow is greater than the preset value.
In the preferable technical scheme of the anti-blocking electronic expansion valve, the vibrator is a vibrating motor.
In the above-mentioned preferred technical scheme of anti-clogging electronic expansion valve, the electronic expansion valve body includes casing, coil, rotor, valve rod, disk seat, screw thread post, connecting seat and anti-sticking helping hand, the casing has the valve pocket, the disk seat is located in the valve pocket, the screw thread post is fixed in the casing, the valve rod wears to establish in the screw thread post, the valve rod has first end and second end, first end wear to establish in the valve pocket with the valve seat grafting cooperation is in order to open and close the valve pocket, the second end with the connecting seat is connected, the rotor thread bush is established on the screw thread post, and with the connecting seat is connected, both ends of rotor all with there is the clearance between the casing in order to provide the rotor is followed the space of casing axial displacement, the coil sets up on the casing in order to drive the rotor rotates, anti-sticking helping hand sets up on the rotor, anti-sticking helping hand is used for when the vibrator vibrates, the auxiliary rotor action.
In the above-mentioned preferred technical scheme of anti-blocking electronic expansion valve, anti-sticking power assisting piece includes a plurality of auxiliary blocks, offer a plurality of chamber of placing in the rotor, place the chamber along the axial extension of casing, place the length in chamber be greater than the length of auxiliary block, the auxiliary block slides and sets up place the intracavity.
In the above-mentioned preferred technical scheme of anti-clogging electronic expansion valve, still include the mount pad, be provided with the connecting plate on the electronic expansion valve body, the mounting groove has been seted up on the mount pad, the connecting plate lock-in to in the mounting groove, the both sides of connecting plate all are provided with the elastic component, the elastic component with the cell wall of mounting groove is connected.
In the above preferred technical solution of the anti-blocking electronic expansion valve, the electronic expansion valve body is provided with a mounting block, the vibrator is disposed on the mounting block, and the mounting block is detachably connected to the electronic expansion valve body.
In a second aspect, the present application provides a control method of an anti-blocking electronic expansion valve, comprising the steps of:
detecting the outlet flow of the electronic expansion valve body;
when the outlet flow is smaller than or equal to a preset value, controlling the vibrator to vibrate so as to drive the electronic expansion valve body to vibrate, so that the outlet flow is increased.
In the preferable technical scheme of the control method, when the outlet flow is greater than the preset value, the vibrator is controlled to stop vibrating.
In a third aspect, the present application provides an air conditioner, including an air conditioner body and the above anti-blocking electronic expansion valve disposed on the air conditioner body.
According to the anti-blocking electronic expansion valve, the air conditioner and the control method, the vibrator is arranged on the electronic expansion valve body, the outlet flow of the electronic expansion valve is detected through the detecting piece, when the outlet flow of the electronic expansion valve body is smaller than or equal to a preset value, the controller controls the vibrator to vibrate so as to drive the electronic expansion valve body to vibrate, the resistance of the valve core of the electronic expansion valve body to move is overcome, the valve is opened so as to increase the outlet flow, and therefore the situation that the electronic expansion valve body is blocked or blocked is reduced, and the air conditioner is ensured to be used.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic diagram of an anti-blocking electronic expansion valve according to an embodiment of the present application;
FIG. 2 is a sectional view of the mounting structure of the electronic expansion valve body of FIG. 1;
FIG. 3 is a schematic view of the mounting structure of the electronic expansion valve body of FIG. 1;
FIG. 4 is a partial cross-sectional view of the electronic expansion valve body of FIG. 3;
fig. 5 is a flowchart of a control method of the anti-clogging electronic expansion valve of the present application.
Reference numerals illustrate:
100. an electronic expansion valve body;
110. a connecting plate;
111. a limiting ring;
120. a housing; 121. a valve cavity; 122. a regulating chamber; 130. a coil; 140. a rotor; 141. a placement cavity; 150. a valve stem; 160. a valve seat; 170. a threaded column; 180. a connecting seat; 190. an auxiliary block;
200. a vibrator;
300. a mounting base;
310. a mounting groove;
320. a limiting block;
330. an elastic member;
400. and (5) installing a block.
Specific embodiments of the present application have been shown by way of the above drawings and will be described in more detail below. The drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but rather to illustrate the inventive concepts to those skilled in the art by reference to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
In embodiments of the application, words such as "exemplary" or "such as" are used to mean examples, illustrations, or descriptions. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
With the development of economic construction, the living standard of people is continuously improved, and air conditioners enter thousands of households. In air conditioning, an electronic expansion valve is typically used to control the flow of refrigerant.
In the prior art, the internal structure of the electronic expansion valve is a precise component, a controller formed by coils is sleeved outside the electronic expansion valve, and the on-off path of the electronic expansion valve is controlled by controlling the energizing mode of the coils.
When fine dirt in the condensing agent pipe of the air conditioner enters, valve core components of the electronic expansion valve are worn, lubrication action of system refrigerating oil is lost, the electronic expansion valve is blocked or plugged, driving torque of an original controller is smaller than friction resistance of the valve core, and the valve is opened and fails, so that refrigeration failure of the air conditioner is caused.
In order to solve the problems, the application provides an anti-blocking electronic expansion valve, an air conditioner and a control method, wherein the anti-blocking electronic expansion valve is characterized in that a vibrator is arranged on an electronic expansion valve body, the outlet flow of the electronic expansion valve is detected through a detection piece, when the outlet flow of the electronic expansion valve body is smaller than or equal to a preset value, a controller controls the vibrator to vibrate so as to drive the electronic expansion valve body to vibrate, the resistance of the movement of a valve core of the electronic expansion valve body is overcome, the valve is opened so as to increase the outlet flow, the situation that the electronic expansion valve body is blocked or blocked is reduced, the use of the air conditioner is ensured, and the electronic expansion valve body is buffered through an elastic piece so as to reduce the influence of vibration on the normal use of the electronic expansion valve body.
The following describes the technical scheme of the present application and how the technical scheme of the present application solves the above technical problems in detail with specific embodiments. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
In a first aspect, the present application provides an anti-blocking electronic expansion valve, referring to fig. 1 and 2, including an electronic expansion valve body 100, a vibrator 200, a detecting member, and a controller.
The vibrator 200 is connected with the electronic expansion valve body 100 to drive the electronic expansion valve body 100 to vibrate, and the vibrator 200 is electrically connected with the controller; the detecting piece is used for detecting the outlet flow of the electronic expansion valve body 100, and the detecting piece and the vibrator 200 are electrically connected with the controller.
When the outlet flow of the electronic expansion valve body 100 is less than or equal to a preset value, the controller controls the vibrator 200 to vibrate so as to drive the electronic expansion valve body 100 to vibrate, thereby increasing the outlet flow.
Specifically, the detecting member is installed at the outlet end of the electronic expansion valve body 100 to detect the outlet flow rate of the electronic expansion valve body 100. Through detecting the outlet flow of the electronic expansion valve body 100, the opening degree of the electronic expansion valve body 100 is indirectly judged, when the discharge port flow of the electronic expansion valve body 100 is smaller than or equal to a preset value, the opening limitation of the valve core can be obtained, the situation that the valve core is blocked between the valve core and the electronic expansion valve body 100 or the valve core is blocked can be obtained, at the moment, the vibrator 200 is controlled by the controller to vibrate, the vibrator 200 drives the electronic expansion valve body 100 to vibrate, so that the valve core is driven to vibrate, the purpose of moving the valve core is achieved, the effect of dredging the blocking is also indirectly achieved, and the electronic expansion valve body 100 can work normally, so that the normal operation of an air conditioner is ensured.
In some embodiments, the detecting member may also be a motion sensor that directly detects whether the valve element of the electronic expansion valve body 100 is in place. The motion sensor directly detects the valve core motion amplitude of the electronic expansion valve body 100 to judge the valve opening of the electronic expansion valve body 100, and compares the valve opening with a preset value, and when the valve core motion amplitude is smaller than or equal to the preset value, the controller controls the vibrator 200 to vibrate so as to increase the flow of the outlet, so that the electronic expansion valve emits enough condensing agent, and the refrigerating effect of the air conditioner is ensured.
Further, the detecting member continuously detects the outlet flow rate of the electronic expansion valve body 100, and when the controller detects that the outlet flow rate is greater than a preset value at the detecting member, the vibrator 200 is controlled to stop vibrating.
Therefore, the controller can control the vibrator 200 to vibrate only when the outlet flow is smaller than or equal to the preset value, so that the influence of the vibrator 200 on the normal use of the electronic expansion valve is reduced, the situation that the electronic expansion valve is damaged or falls off due to transitional vibration is avoided, and meanwhile noise caused by vibration can be reduced.
In some embodiments, vibrator 200 is a vibration motor. The vibration motor may be a general type vibration motor or a button type vibration motor, and is not limited in this case, and various types of vibration motors may be selected according to actual mounting positions.
In an embodiment of the application, the detecting member is a flow sensor. The flow sensor is installed at the outlet end of the electronic expansion valve body 100 to monitor the flow of the outlet end, and is electrically connected with the controller to indirectly reflect the opening degree of the valve core by monitoring the outlet flow of the electronic expansion valve.
Referring to fig. 3 and 4, the electronic expansion valve body 100 includes a housing 120, a coil 130, a rotor 140, a valve stem 150, a valve seat 160, a threaded post 170, a connection seat 180, and an anti-seize booster.
Specifically, the housing 120 has a valve cavity 121 and an adjustment cavity 122, the valve cavity 121 having an outlet end and an inlet end. The valve seat 160 is located in the valve chamber 121, and the threaded post 170 is secured within the adjustment chamber 122 of the housing 120 and is disposed coaxially with the housing 120. The valve rod 150 is inserted into the threaded column 170, and both ends of the valve rod 150 are inserted out of the threaded column 170 and can slide in the threaded column 170. The valve rod 150 has a first end and a second end, the first end of the valve rod 150 is conical, and the first end is penetrated into the valve cavity 121 and is in plug-in fit with the valve seat 160 so as to open and close the valve cavity 121; the second end is positioned within the adjustment chamber 122 and coupled to the coupling block 180, the coupling block 180 being spaced from the end of the threaded post 170. The rotor 140 is sleeved on the threaded column 170 and fixedly connected with the connecting seat 180, the rotor 140 is located in the adjusting cavity 122, gaps are reserved between two ends of the rotor 140 and the wall of the adjusting cavity 122 to provide a space for the rotor 140 to move axially along the shell 120, the coil 130 is wound on the outer side of the shell 120 and corresponds to the rotor 140 to drive the rotor 140 to rotate, the anti-blocking power assisting piece is arranged on the rotor 140 and is used for assisting the rotor 140 to act when the vibrator 200 vibrates.
Wherein, the outer side wall of the housing 120 is fixedly sleeved with a mounting shell, and the coil 130 is fixed in the mounting shell. The coil 130 is in communication with an external dc power source. The coil 130 is energized by an external power source to drive the rotor 140 inside the housing 120 to rotate, and the direction of rotation of the rotor 140 can be changed by controlling the direction of current flowing through the coil 130, thereby changing the moving direction of the valve rod 150, and realizing the control of the electronic expansion valve.
In the above embodiment, the coil 130 is energized, the coil 130 drives the rotor 140 to rotate, and the rotor 140 rotates and simultaneously moves along the axial direction of the housing 120 through the threaded engagement with the threaded post 170, so that the rotor 140 drives the valve rod 150 to move along the axial direction of the housing 120 through the connecting seat 180, thereby changing the engagement state of the first end of the valve rod 150 with the valve seat 160, and realizing the opening and closing of the electronic expansion valve. When the movement between the rotor 140 and the screw post 170 or between the valve rod 150 and the housing 120 is limited, the vibrator 200 drives the housing 120 to vibrate, and simultaneously drives the anti-seize booster to assist the movement of the rotor 140 through vibration.
Referring to fig. 4, the anti-seize booster includes a plurality of auxiliary blocks 190, a plurality of placing cavities 141 are formed in the rotor 140, the placing cavities 141 extend along the axial direction of the housing 120, the length of the placing cavities 141 is greater than that of the auxiliary blocks 190, and the auxiliary blocks 190 are slidably disposed in the placing cavities 141.
Specifically, the number of the auxiliary blocks 190 is two, the two placing cavities 141 are formed, and the two placing cavities 141 are symmetrically formed in the rotor 140, so that the balance of the rotor 140 in the normal use process is maintained. The auxiliary blocks 190 are placed in the placement cavities 141 in a one-to-one correspondence. The width of the placement cavity 141 is slightly larger than the width of the auxiliary block 190 so as to facilitate the up-and-down movement of the auxiliary block 190 within the placement cavity 141.
In the above embodiment, when the vibrator 200 drives the housing 120 to vibrate, the rotor 140 and the valve rod 150 thereof are driven to vibrate, so that the rotor 140 or the valve rod 150 is easily vibrated, and the auxiliary block 190 inside the rotor 140 moves up and down during the vibration of the rotor 140, so as to further power the vibration of the rotor 140, so that the clamped rotor 140 is conveniently moved.
In some embodiments, referring to fig. 2, the anti-blocking electronic expansion valve further includes a mounting seat 300, the electronic expansion valve body 100 is fixed with a connecting plate 110, a mounting groove 310 is formed on the mounting seat 300, the connecting plate 110 is inserted into the mounting groove 310, elastic members 330 are disposed on two sides of the connecting plate 110, and the elastic members 330 are connected with a groove wall of the mounting groove 310.
Illustratively, the connection plate 110 is an annular plate, and the connection plate 110 is fixedly sleeved on the electronic expansion valve body 100. The connection plate 110 may be integrally formed with the housing of the electronic expansion valve body 100, or may be welded to the housing of the electronic expansion valve body 100, which is not limited in any way.
Wherein, mount pad 300 is the annular seat with connecting plate 110 adaptation, and mounting groove 310 is seted up on the inner wall of mount pad 300, and the width of mounting groove 310 is greater than the thickness of connecting plate 110 for the mounting panel can block into mounting groove 310 in, and elastic component 330 is fixed in the both sides of connecting plate 110, and the one end of elastic component 330 is fixed on connecting plate 110, and the other end is fixed on the inner wall of mounting groove 310. The mount 300 is installed in the air conditioner. The electronic expansion valve body 100 is only connected to the mounting seat 300 through the elastic element 330, so that the electronic expansion valve body 100 has a certain buffering distance, and can be buffered through the elastic element 330, the possibility of damaging the electronic expansion valve body 100 when the vibrator 200 works is reduced, and the possibility of falling off the electronic expansion valve body 100 from an air conditioner is also reduced.
Specifically, the elastic member 330 is a spring. One end of the spring is fixed to the connection plate 110 and the other end is fixed to the inner wall of the installation groove 310. The vibration of the electronic expansion valve body 100 is buffered to a certain extent by the spring, so that the damage of the vibration to the electronic expansion valve body 100 is reduced. And, divide the spring that the connecting plate 110 both sides correspond into a set of, be provided with the spring of at least two sets of on connecting plate 110, the spring can set up arbitrary quantity such as 2 sets, 3 sets, 4 sets, 6 sets, and the quantity that the spring set up is the more firm the electronic expansion valve is connected.
In some embodiments, the liquid inlet pipe and the liquid outlet pipe of the electronic expansion valve body 100 are both hoses, so that the possibility of loosening the pipeline caused by the vibrator 200 in the vibration process is avoided, and the movement buffering of the electronic expansion valve body 100 is facilitated.
In some embodiments, the outer ring of the connecting plate 110 is fixed with a limiting ring 111, the mounting seat 300 is fixed with two limiting blocks 320, the two limiting blocks 320 are respectively located at two sides of the mounting groove 310, the two limiting blocks 320 and the mounting groove 310 form a T-shaped groove, the limiting ring 111 is located in the mounting groove 310, and the width of the limiting ring 111 is smaller than the width of the mounting groove 310 and larger than the distance between the two limiting blocks 320.
In the above embodiment, the stopper 320 limits the possibility of the stopper ring 111 sliding out of the mounting groove 310, thereby avoiding the detachment of the connection plate 110 from the mounting seat 300, and thus avoiding the detachment of the electronic expansion valve body 100 while the spring provides a buffer.
Referring to fig. 1 and 2, a mounting block 400 is fixed to the electronic expansion valve body 100, the vibrator 200 is provided on the mounting block 400, and the mounting block 400 is detachably coupled to the electronic expansion valve body 100. Vibrator 200 is embedded within mounting block 400. In the present application, the vibration motor is fitted and fixed in the mounting block 400 according to the kind of the vibration motor.
In one embodiment, the mounting block 400 is detachably coupled to the end of the electronic expansion valve body 100 by means of screw coupling.
In one embodiment, the mounting block 400 is detachably connected to the end of the electronic expansion valve body 100 by means of a snap-fit connection.
In a second aspect, the present application provides a control method of an anti-blocking electronic expansion valve, referring to fig. 5, the control method including the steps of:
s101, setting a preset value of outlet flow in a controller, and detecting the outlet flow of the electronic expansion valve body 100;
s102, when the outlet flow is smaller than or equal to a preset value, controlling the vibrator 200 to vibrate so as to drive the electronic expansion valve body 100 to vibrate, thereby increasing the outlet flow;
and S103, when the outlet flow is larger than the preset value, the detection piece continues to detect the outlet flow, and the vibrator 200 does not act.
Through the outlet flow who continuously detects electronic expansion valve body 100, indirect judgement electronic expansion valve body 100's degree of opening, when electronic expansion valve body 100's discharge gate flow is less than or equal to the default, can obtain the opening restriction of case, there is the jam between case and the electronic expansion valve body 100, or the case that the case blocked, at this moment, control vibrator 200 vibration through the controller, vibrator 200 drives electronic expansion valve body 100 vibration, thereby drive the case vibration, the purpose of removing the case has been reached, also indirect effect that has reached the mediation jam, and then make electronic expansion valve body 100 can normally work, in order to guarantee the normal operating of air conditioner.
Further, in the above control method, when the outlet flow rate is greater than the preset value, the vibrator 200 is controlled to stop vibrating. The controller can control the vibrator 200 to vibrate only when the outlet flow is smaller than or equal to a preset value, so that continuous vibration of the vibrator 200 is avoided, influence of the vibrator 200 on the electronic expansion valve during normal use is reduced, damage or falling of the electronic expansion valve caused by transitional vibration is avoided, and noise caused by vibration can be reduced.
In a third aspect, the present application provides an air conditioner, including an air conditioner body and the above anti-blocking electronic expansion valve disposed on the air conditioner body. The mounting base 300 is fixed to the air conditioner body, thereby realizing the mounting and fixing of the electronic expansion valve body 100.
The anti-blocking electronic expansion valve in this embodiment has the same structure as the anti-blocking electronic expansion valve provided in any one of the above embodiments, and can bring about the same or similar technical effects, which are not described in detail herein, and specific reference may be made to the description of the above embodiments.
According to the air conditioner provided by the application, the vibrator 200 is arranged on the electronic expansion valve body 100, the outlet flow of the electronic expansion valve is detected through the detecting piece, when the outlet flow of the electronic expansion valve body 100 is smaller than or equal to a preset value, the controller controls the vibrator 200 to vibrate so as to drive the electronic expansion valve body 100 to vibrate, the resistance of the valve core of the electronic expansion valve body 100 to move is overcome, and the valve is opened so as to increase the outlet flow, so that the situation that the electronic expansion valve body 100 is blocked or blocked is reduced, and the fault of the air conditioner is reduced.
While the present application has been described with reference to the preferred embodiments shown in the drawings, it will be readily understood by those skilled in the art that the scope of the application is not limited to those specific embodiments, and the above examples are only for illustrating the technical solution of the application, not for limiting it; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.

Claims (10)

1. An anti-blocking electronic expansion valve is characterized by comprising an electronic expansion valve body, a vibrator, a detection piece and a controller;
the vibrator is connected with the electronic expansion valve body to drive the electronic expansion valve body to vibrate, and the vibrator is electrically connected with the controller; the detection piece is used for detecting the outlet flow of the electronic expansion valve body, and the detection piece and the vibrator are electrically connected with the controller;
and when the outlet flow of the electronic expansion valve body is smaller than or equal to a preset value, the controller controls the vibrator to vibrate so as to drive the electronic expansion valve body to vibrate, so that the outlet flow is increased.
2. The anti-clogging electronic expansion valve of claim 1 wherein said controller controls said vibrator to stop vibrating when said detecting member detects said outlet flow rate being greater than said preset value.
3. The anti-clogging electronic expansion valve of claim 1 wherein said vibrator is a vibration motor.
4. The anti-clogging electronic expansion valve of claim 1 wherein said electronic expansion valve body comprises a housing having a valve cavity, a coil, a rotor, a valve stem, a valve seat, a threaded post, a connecting seat and an anti-seize booster, said valve seat being located in said valve cavity, said threaded post being secured in said housing, said valve stem passing through said threaded post, said valve stem having a first end and a second end, said first end passing into said valve cavity in mating engagement with said valve seat to open and close said valve cavity, said second end being connected to said connecting seat, said rotor being threadably engaged with said threaded post and connected to said connecting seat, said rotor having a gap between its ends and said housing inner wall to provide space for said rotor to move axially along said housing, said coil being disposed on said housing to drive said rotor to rotate, said anti-seize booster being disposed on said rotor for assisting said rotor to vibrate when said vibrator is in operation.
5. The anti-clogging electronic expansion valve of claim 4, wherein said anti-seize booster comprises a plurality of auxiliary blocks, a plurality of placement cavities are provided in said rotor, said placement cavities extend axially of said housing, the length of said placement cavities is greater than the length of said auxiliary blocks, said auxiliary blocks are slidably disposed within said placement cavities.
6. The anti-clogging electronic expansion valve of claim 1 further comprising a mounting base, wherein a connecting plate is provided on the electronic expansion valve body, a mounting groove is provided on the mounting base, the connecting plate is inserted into the mounting groove, elastic members are provided on both sides of the connecting plate, and the elastic members are connected with the groove wall of the mounting groove.
7. The anti-clogging electronic expansion valve of any one of claims 1 to 6 wherein said electronic expansion valve body is provided with a mounting block, said vibrator is provided on said mounting block, said mounting block is detachably connected to said electronic expansion valve body.
8. A control method of an anti-clogging electronic expansion valve according to any one of the claims 1 to 7, comprising the steps of:
detecting the outlet flow of the electronic expansion valve body;
when the outlet flow is smaller than or equal to a preset value, controlling the vibrator to vibrate so as to drive the electronic expansion valve body to vibrate, so that the outlet flow is increased.
9. The control method according to claim 8, characterized in that the vibrator is controlled to stop vibrating when the outlet flow rate is greater than the preset value.
10. An air conditioner comprising an air conditioner body and the anti-clogging electronic expansion valve according to any one of claims 1 to 7 provided on the air conditioner body.
CN202310966773.4A 2023-08-02 2023-08-02 Anti-blocking electronic expansion valve, air conditioner and control method Pending CN116857423A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310966773.4A CN116857423A (en) 2023-08-02 2023-08-02 Anti-blocking electronic expansion valve, air conditioner and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310966773.4A CN116857423A (en) 2023-08-02 2023-08-02 Anti-blocking electronic expansion valve, air conditioner and control method

Publications (1)

Publication Number Publication Date
CN116857423A true CN116857423A (en) 2023-10-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310966773.4A Pending CN116857423A (en) 2023-08-02 2023-08-02 Anti-blocking electronic expansion valve, air conditioner and control method

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