CN215580836U - Dehumidification subassembly and compressor arrangement - Google Patents
Dehumidification subassembly and compressor arrangement Download PDFInfo
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- CN215580836U CN215580836U CN202122227456.XU CN202122227456U CN215580836U CN 215580836 U CN215580836 U CN 215580836U CN 202122227456 U CN202122227456 U CN 202122227456U CN 215580836 U CN215580836 U CN 215580836U
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Abstract
The embodiment of the application provides a dehumidification subassembly and compressor arrangement, wherein, this dehumidification subassembly includes: the first heating strip is wound at the first end of the stator winding of the motor; the second heating strip is wound at the second end of the stator winding of the motor; a relay having a coil, a first normally open contact and a second normally open contact; a power supply having a hot end and a neutral end; the first end of the first heating strip and the first end of the second heating strip are connected with a live wire end of a power supply through a first normally open contact, the second end of the first heating strip and the second end of the second heating strip are connected with a live wire end of the power supply through a second normally open contact, the first end of the coil is connected with the live wire end of the power supply through a normally closed contact of a main relay of a target device, and the second end of the coil is connected with the second end of the first heating strip and the second end of the second heating strip. According to the technical scheme of the embodiment of the application, the stator winding can be prevented from being damaged by damp, and the fault rate of the target device is reduced.
Description
Technical Field
The application relates to the technical field of motors, in particular to a dehumidifying component and a compressing device.
Background
In the cold drink industry, the compression device is in a stop state for a long time in a slack season and is influenced by the environment, and a motor in the compression device is easily affected by damp, so that a stator winding is damaged, and the failure rate of the compression device is improved.
SUMMERY OF THE UTILITY MODEL
Embodiments of the present application provide a dehumidification assembly and a compression device to solve or alleviate one or more technical problems in the prior art.
As an aspect of an embodiment of the present application, an embodiment of the present application provides a dehumidification assembly adapted to a motor of a target device, the dehumidification assembly including:
the first heating strip is wound at the first end of the stator winding of the motor;
the second heating strip is wound at the second end of the stator winding of the motor;
a relay having a coil, a first normally open contact and a second normally open contact;
a power supply having a hot end and a neutral end;
the first end of the first heating strip and the first end of the second heating strip are connected with a live wire end of a power supply through a first normally open contact, the second end of the first heating strip and the second end of the second heating strip are connected with a live wire end of the power supply through a second normally open contact, the first end of the coil is connected with the live wire end of the power supply through a normally closed contact of a main relay of a target device, and the second end of the coil is connected with the second end of the first heating strip and the second end of the second heating strip.
In one embodiment, the first end of the first heating strip is connected with the first end of the second heating strip and connected to the first terminal, the second end of the first heating strip is connected with the second end of the second heating strip and connected to the second terminal, the first normally open contact is connected with the first terminal, and the second normally open contact and the second end of the coil are connected with the second terminal.
In one embodiment, the dehumidification assembly further comprises:
the time control switch comprises a control body, a first sub time control switch and a second sub time control switch, wherein the control body is connected with the first sub time control switch and the second sub time control switch respectively, the first sub time control switch is connected between a first normally open contact and a live wire end of a power supply, and the second sub time control switch is connected between a second normally open contact and the live wire end of the power supply.
In one embodiment, the time controlled switch further comprises:
the first overcurrent protector is connected between the first normally-open contact and the first sub time control switch;
the second overcurrent protector is connected between the second normally-open contact and the second sub time control switch;
the first overcurrent protector and the second overcurrent protector are respectively connected with the control body.
In one embodiment, the time controlled switch further comprises:
and the under-voltage protector is connected between the first overcurrent protector and the second overcurrent protector and is connected with the control body.
In one embodiment, the dehumidification assembly further comprises:
the first air switch is connected between the first sub time control switch and a live wire end of the power supply;
and the second air switch is connected between the second sub time control switch and the zero line end of the power supply.
In one embodiment, the first air switch and the second air switch constitute a two-phase air switch.
In one embodiment, the dehumidification assembly further comprises:
the first overheat protector is connected between the first air switch and a live wire end of the power supply;
and the second overheat protector is connected between the second air switch and the zero line end of the power supply.
In one embodiment, the power source is mains electricity.
As an aspect of an embodiment of the present application, there is provided a compression apparatus including a motor and the dehumidifying assembly of any one of the above embodiments.
By adopting the technical scheme, when the target device stops operating, the normally closed contact of the main relay of the target device is closed, the two ends of the coil of the relay are automatically connected with the live wire end and the zero wire end of the power supply respectively, the coil of the relay is electrified, the normally open contact of the relay is closed, so that the first end of the first heating strip and the first end of the second heating strip are both connected with the live wire end of the power supply and the second end of the first heating strip and the second end of the second heating strip are both connected with the zero wire end of the power supply, the first heating strip heats the first end of the stator winding of the motor, the second heating strip heats the second end of the stator winding of the motor, so as to automatically heat and dehumidify the stator winding of the motor when the target device stops running, thereby keeping the stator winding dry, avoiding the stator winding from being damaged by moisture and reducing the failure rate of the target device.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present application will be readily apparent by reference to the drawings and following detailed description.
Drawings
In the drawings, like reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily to scale. It is appreciated that these drawings depict only some embodiments in accordance with the disclosure and are therefore not to be considered limiting of its scope.
FIG. 1 illustrates a schematic circuit diagram of a dehumidification assembly in accordance with an embodiment of the present application;
fig. 2 shows a schematic layout of a first heating strip and a second heating strip according to an embodiment of the present application.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
Fig. 1 shows a schematic circuit diagram of a dehumidifying assembly 100 according to an embodiment of the present application. Fig. 2 shows a schematic layout of a first heating strip 110A and a second heating strip 110B according to an embodiment of the present application. The dehumidification assembly 100 is suitable for use with a motor (not shown) of a target device, which may be a compressor such as a refrigeration compressor, a water pump compressor, or the like. As shown in fig. 1 and 2, the dehumidification assembly 100 may include a first heating strip 110A, a second heating strip 110B, a relay 120, and a power source (only a live end L and a neutral end N of the power source are shown).
The first heating strip 110A and the second heating strip 110B are formed by heating wires, the first heating strip 110A is wound around a first end of the stator winding 210 of the motor, the second heating strip 110B is wound around a second end of the stator winding 210 of the motor, and the power of the first heating strip 110A and the power of the second heating strip 110B are 36W. The stator winding 210 is disposed along an axial direction of the stator core 220.
The relay 120 has a coil 121, a first normally open contact 122 and a second normally open contact 123, the first normally open contact 122 has a first normally open stationary contact 122A and a first normally open moving contact 122B, and the second normally open contact 123 has a second normally open stationary contact 123A and a second normally open moving contact 123B.
The power supply has a live end L and a neutral end N.
The first end of the first heating strip 110A and the first end of the second heating strip 110B are both connected to the live line end L of the power supply through a first normally open contact 122, for example, the first end of the first heating strip 110A and the first end of the second heating strip 110B are both connected to the first normally open stationary contact 122A, and the first normally open moving contact 122B is connected to the live line end L of the power supply.
The second end of the first heating strip 110A and the second end of the second heating strip 110B are both connected to the neutral line end N of the power supply through a second normally open contact 123, for example, the second end of the first heating strip 110A and the second end of the second heating strip 110B are both connected to the second normally open stationary contact 123A, and the second normally open movable contact 123B is connected to the neutral line end N of the power supply.
A first end of the coil 121 is connected to the live line end L of the power supply through the normally closed contact 230 of the main relay of the target device, and a second end of the coil 121 is connected to both the second end of the first heating bar 110A and the second end of the second heating bar 110B. Illustratively, the normally closed contact 230 of the main relay of the target device has a normally closed stationary contact 230A and a normally closed movable contact 230B, the first end of the coil 121 is connected with the normally closed stationary contact 230A of the main relay of the target device, and the normally closed movable contact 230B of the main relay of the target device is connected with the live line terminal L of the power supply.
In the present embodiment, when the target device stops operating, the normally closed contact 230 of the main relay of the target device is closed, and the two ends of the coil 121 of the relay 120 are automatically connected to the live wire end L and the neutral wire end N of the power supply respectively, the coil 121 of the relay 120 is powered on, and the first normally open contact 122 and the second normally open contact 123 of the relay 120 are closed, so that the first end of the first heating bar 110A and the first end of the second heating bar 110B are both connected to the live wire end L of the power supply, and the second end of the first heating bar 110A and the second end of the second heating bar 110B are both connected to the neutral wire end N of the power supply, so that the first heating bar 110A heats the first end of the stator winding 210 of the motor, the second heating bar 110B heats the second end of the stator winding 210 of the motor, so as to automatically heat and dehumidify the stator winding 210 of the motor when the target device stops operating, so as to keep the stator winding 210 dry, stator winding 210 is prevented from being damaged by moisture, and the failure rate of the target device is reduced.
In one embodiment, a first end of the first heating bar 110A is connected to a first end of the second heating bar 110B and to the first terminal 130A, and a second end of the first heating bar 110A is connected to a second end of the second heating bar 110B and to the second terminal 130B. In this way, the first heating bar 110A and the second heating bar 110B may be connected in parallel, and the first end of the first heating bar 110A and the first end of the second heating bar 110B are led to the first terminal 130A, and the second end of the first heating bar 110A and the second end of the second heating bar 110B are led to the second terminal 130B, so as to be connected to the first heating bar 110A and the second heating bar 110B by the first terminal 130A and the second terminal 130B.
The first normally open contact 122 is connected to the first terminal 130A, and the second normally open contact 123 and the second end of the coil 121 are connected to the second terminal 130B. For example, the first normally open stationary contact 122A is connected to the first terminal 130A, and the second normally open stationary contact 123A and the second end of the coil 121 are connected to the second terminal 130B, which are conveniently connected to the first heating bar 110A and the second heating bar 110B.
In an embodiment, the dehumidification assembly 100 may further include a time switch 140, the time switch 140 includes a control body 141, a first sub-time switch 142A and a second sub-time switch 142B, the control body 141 is connected to the first sub-time switch 142A and the second sub-time switch 142B respectively, so as to intermittently control the first sub-time switch 142A and the second sub-time switch 142B to be turned on or off, for example, the control body 141 controls the first sub-time switch 142A and the second sub-time switch 142B to be turned on every 3h, and the on time of each time is 1h and the off time is 2 h.
The first sub-time control switch 142A is connected between the first normally open contact 122 and the live line end L of the power supply, and the second sub-time control switch 142B is connected between the second normally open contact 123 and the live line end L of the power supply. For example, a first end of the first sub-time-controlled switch 142A is connected to the first normally-open moving contact 122B, and a second end of the first sub-time-controlled switch 142A is connected to the live line end L of the power supply; a first end of the second sub time control switch 142B is connected to the second normally open moving contact 123B, and a second end of the second sub time control switch 142B is connected to the zero line end N of the power supply.
According to the scheme, the time control switch 140 is intermittently switched on or off, so that the first heating strip 110A and the second heating strip 110B are intermittently connected or disconnected with the power supply, and therefore the stator winding 210 of the motor is intermittently heated and dehumidified, and energy consumption is reduced.
In one embodiment, the timed switch 140 may further include a first over-current protector 143A and a second over-current protector 143B. The first overcurrent protector 143A is connected between the first normally open contact 122 and the first sub-time control switch 142ATo detect a first current of a first branch connected to the live line terminal L; the second overcurrent protector 143B is connected between the second normally open contact 123 and the second sub time control switch 142B to detect a second current of a second branch connected to the neutral terminal N; the first overcurrent protector 143A and the second overcurrent protector 143B are respectively connected to the control body 141 to control the first sub-time control switch 142A to be turned off when the first current exceeds a first current threshold value, so as to perform overcurrent protection on the first branch; and/or when the second current exceeds a second current threshold, controlling the second sub-time control switch 142B to be switched off, and performing overcurrent protection on the second branch. Illustratively, the first branch is a branch where the first normally-open contact 122 is located, the second branch is a branch where the second normally-open contact 123 is located, and the connecting lines of the first branch and the second branch both have cross-sectional areas of 2.5mm2The type of the connecting wire can be a copper core connecting wire.
In an embodiment, the time-controlled switch 140 may further include an under-voltage protector 144, and the under-voltage protector 144 is connected between the first and second overcurrent protectors 143A and 143B and is connected with the control body 141. Illustratively, a first end of the under-voltage protector 144 is connected between the first overcurrent protector 143A and the first normally-open contact 122, a second end of the under-voltage protector 144 is connected between the second overcurrent protector 143B and the second normally-open contact 123, so as to detect voltages of the first branch and the second branch, and the control main body 141 controls the first sub-time-controlled switch 142A and the second sub-time-controlled switch 142B to be switched off to perform under-voltage protection when the voltage is smaller than a voltage threshold.
In one embodiment, the dehumidification assembly 100 may further include a first air switch 150A and a second air switch 150B. The first air switch 150A is connected between the first sub-timed switch 142A and the live line terminal L of the power supply, so as to be opened in the event that the current of the first branch exceeds a third current threshold (for example 6A), which is equal to or greater than the first current threshold; the second air switch 150B is connected between the second sub-timed switch 142B and the neutral terminal N of the power supply to open if the current of the second branch exceeds a fourth current threshold (e.g. 6A) which is equal to or greater than the second current threshold. Therefore, short circuit and/or overload protection can be realized, and potential safety hazards are reduced.
In one embodiment, the first air switch 150A and the second air switch 150B constitute a two-phase air switch, that is, the first air switch 150A and the second air switch 150B may be integrated in the two-phase air switch, which is beneficial to reducing the manufacturing cost.
In one embodiment, the dehumidification assembly 100 may further include a first overheat protector 160A and a second overheat protector 160B. The first overheat protector 160A is connected between the first air switch 150A and the live line terminal L of the power supply to be turned off in the case where the temperature of the first branch is higher than the temperature threshold value; a second overheat protector 160B is connected between the second air switch 150B and the neutral terminal N of the power supply to open in the event that the temperature of the second branch is above the temperature threshold. Therefore, overheat protection can be realized, and potential safety hazards are reduced.
In one embodiment, the power source is mains power, for example, 220V ac.
The embodiment of the application also provides a compression device, and the compression device comprises a motor and the dehumidification component 100 of any one of the above embodiments, and the dehumidification component 100 is suitable for heating and dehumidifying the stator winding of the motor to keep the drying of the electronic winding, avoid the stator winding to be affected with damp and damaged, be favorable for reducing the fault rate of the compression device, and reduce the use cost. The compression device can be a refrigeration compressor, a water pump compressor and the like applied to the cold drink industry.
Other configurations of the dehumidification assembly 100 and the compression apparatus of the above embodiments may be adopted by various technical solutions known to those skilled in the art now and in the future, and will not be described in detail herein.
In the description of the present specification, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. 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.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present application, and these should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A dehumidification assembly, adapted for use with a motor of a target device, the dehumidification assembly comprising:
the first heating strip is wound at the first end of the stator winding of the motor;
the second heating strip is wound at the second end of the stator winding of the motor;
a relay having a coil, a first normally open contact and a second normally open contact;
a power supply having a hot end and a neutral end;
the first end of the first heating strip and the first end of the second heating strip are connected with the live wire end of the power supply through the first normally open contact, the second end of the first heating strip and the second end of the second heating strip are connected with the zero wire end of the power supply through the second normally open contact, the first end of the coil is connected with the live wire end of the power supply through the normally closed contact of the main relay of the target device, and the second end of the coil is connected with the second end of the first heating strip and the second end of the second heating strip.
2. The dehumidification assembly of claim 1, wherein a first end of the first heating strip is coupled to a first end of the second heating strip and to a first terminal post, a second end of the first heating strip is coupled to a second end of the second heating strip and to a second terminal post, the first normally open contact is coupled to the first terminal post, and the second normally open contact and a second end of the coil are coupled to the second terminal post.
3. The dehumidification assembly of claim 1, further comprising:
the time control switch comprises a control body, a first sub time control switch and a second sub time control switch, wherein the control body is respectively connected with the first sub time control switch and the second sub time control switch, the first sub time control switch is connected between the first normally open contact and the live wire end of the power supply, and the second sub time control switch is connected between the second normally open contact and the live wire end of the power supply.
4. A dehumidification assembly according to claim 3, wherein the timed switch further comprises:
the first overcurrent protector is connected between the first normally open contact and the first sub time control switch;
the second overcurrent protector is connected between the second normally-open contact and the second sub time control switch;
the first overcurrent protector and the second overcurrent protector are respectively connected with the control body.
5. The dehumidification assembly of claim 4, wherein the timed switch further comprises:
and the under-voltage protector is connected between the first overcurrent protector and the second overcurrent protector and is connected with the control body.
6. A dehumidification assembly as defined in claim 3, further comprising:
the first air switch is connected between the first sub time control switch and a live wire end of the power supply;
and the second air switch is connected between the second sub time control switch and the zero line end of the power supply.
7. The dehumidification assembly of claim 6, wherein the first air switch and the second air switch comprise a two-phase air switch.
8. The dehumidification assembly of claim 6, further comprising:
the first overheat protector is connected between the first air switch and a live wire end of the power supply;
and the second overheat protector is connected between the second air switch and the zero line end of the power supply.
9. A dehumidifying module as claimed in any one of claims 1 to 8 wherein the power supply is mains electricity.
10. A compression apparatus comprising a motor and a dehumidifying module as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122227456.XU CN215580836U (en) | 2021-09-14 | 2021-09-14 | Dehumidification subassembly and compressor arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122227456.XU CN215580836U (en) | 2021-09-14 | 2021-09-14 | Dehumidification subassembly and compressor arrangement |
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| Publication Number | Publication Date |
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| CN215580836U true CN215580836U (en) | 2022-01-18 |
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| CN202122227456.XU Active CN215580836U (en) | 2021-09-14 | 2021-09-14 | Dehumidification subassembly and compressor arrangement |
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