CN218955803U - Controller and metering device - Google Patents
Controller and metering device Download PDFInfo
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- CN218955803U CN218955803U CN202223015631.XU CN202223015631U CN218955803U CN 218955803 U CN218955803 U CN 218955803U CN 202223015631 U CN202223015631 U CN 202223015631U CN 218955803 U CN218955803 U CN 218955803U
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- controller
- power supply
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the technical field of metering devices, in particular to a controller and a metering device, wherein the controller comprises a controller shell, a power supply fixing component, a circuit board and a counter; the controller shell comprises an upper cover and a base, and the upper cover is connected with the base; the power supply fixing component is arranged on the upper cover or the base, the counter is arranged at the upper end of the base, the circuit board is arranged in the controller and is close to the lower end of the base relative to the counter, and the power supply fixing component is arranged between the circuit board and the upper cover or between the circuit board and the base; the power supply is arranged in the power supply fixing assembly. According to the controller and the metering device, the problem that the standby power supply cannot be installed on the controller in the prior art is well solved.
Description
Technical Field
The utility model relates to the technical field of metering devices, in particular to a controller and a metering device.
Background
This section provides merely background information related to the present disclosure and is not necessarily prior art.
In recent years, the natural gas popularization work of urban residents is greatly developed in China, a great development opportunity is brought to the metering device industry, and along with the rapid promotion of domestic provincial gasification engineering, a good development opportunity is provided for enterprises for research, development and production of metering devices and gas management systems, and the demand of the metering devices is increased in an explosive manner. The electric control modules such as a circuit board in the metering instrument need power supply, and the inside needs to adopt standby power supply to provide emergency power supply when the main power supply is out of power.
In the prior art, the standby power supply is mainly directly welded on the circuit board in a fixing mode of the standby power supply, but the standby power supply is directly fixed on the circuit board, redundant positions are needed on the circuit board, and when the redundant positions are not available on the circuit board, the standby power supply cannot be installed on the controller.
Disclosure of Invention
The utility model aims to at least solve the problem that the standby power supply in the prior art cannot be installed on a controller. The aim is achieved by the following technical scheme:
the first aspect of the present utility model proposes a controller comprising: the controller comprises a controller shell, a power supply fixing component, a circuit board and a counter;
the controller shell comprises an upper cover and a base, and the upper cover is connected with the base;
the power supply fixing component is arranged on the upper cover or the base, the counter is arranged at the upper end of the base, the circuit board is arranged in the controller and is close to the lower end of the base relative to the counter, and the power supply fixing component is arranged between the circuit board and the upper cover or between the circuit board and the base;
the power supply is arranged in the power supply fixing assembly.
According to the controller, the position of the circuit board and the counter in the controller is limited, so that enough space is provided in the controller for installing a power supply, a power supply fixing assembly is arranged on the upper cover or the base, the power supply fixing assembly is arranged between the circuit board and the upper cover or the base, and finally, the power supply is installed in the power supply fixing assembly, so that the installation of the power supply in the controller is completed; the problem that the standby power supply cannot be installed on the controller in the prior art is well solved.
In addition, because the power supply is arranged on the upper cover or the base instead of the circuit board, the volume of the circuit board is reduced, and the cost is further reduced.
The controller according to the utility model may also have the following additional technical features:
in some embodiments of the present utility model, the power fixing assembly includes a base plate and a plurality of beam-shrinking plates, the plurality of beam-shrinking plates are all disposed on the base plate, a first annular structure is formed between the plurality of beam-shrinking plates, and the first annular structure and the base plate form a wire accommodating space
In some embodiments of the utility model, the power fixing assembly further includes a wire pressing plate, and the wire pressing plate is disposed on the beam-shrinking plate and opposite to the bottom plate.
In some embodiments of the utility model, the wire pressing plate is hinged to the beam-shrinking plate, and the wire pressing plate rotates along the hinged position.
In some embodiments of the present utility model, the beam-converging plate is provided with two wire-clamping grooves, and the two wire-clamping grooves are all communicated with the wire-accommodating space.
In some embodiments of the present utility model, the power fixing assembly further includes a plurality of limiting plates, the plurality of limiting plates are all disposed on the bottom plate, a second annular structure is formed between the plurality of limiting plates, the second annular structure and the bottom plate form a power storage space, and the power is disposed in the power storage space.
In some embodiments of the present utility model, the limiting plate is provided with a first buckle and a second buckle, and the first buckle and the second buckle are disposed opposite to each other.
In some embodiments of the present utility model, the fastening end of the first fastening device is an arc surface, the end of the second fastening device, which is far away from the bottom plate, is provided with a limiting protrusion, and the limiting protrusion is located on one side close to the arc surface.
In some embodiments of the present utility model, the limiting plate is provided with a telescopic slot, and the telescopic slot is formed on the limiting plate provided with the first buckle.
The second aspect of the utility model provides a metering device, which comprises the controller as described in any one of the above, and further comprises a base table, wherein the base of the controller is connected with the base table.
The metering device according to the utility model has the same advantages as the controller according to the utility model and is not described here again.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 schematically illustrates a structural view of a power fixing assembly provided to an upper cover according to an embodiment of the present utility model;
FIG. 2 schematically illustrates a first structural view of a power fixing assembly provided on a base according to an embodiment of the present utility model;
FIG. 3 schematically illustrates a second structural view of the power fixing assembly when the power fixing assembly is provided to the base according to the embodiment of the present utility model;
FIG. 4 schematically illustrates a structural schematic of a power fixing assembly according to an embodiment of the present utility model;
FIG. 5 schematically illustrates an installation schematic of a power supply in accordance with one embodiment of the utility model;
fig. 6 schematically illustrates a structural view of a power fixing assembly according to another embodiment of the present utility model;
fig. 7 schematically illustrates a side view of a state in which a stopper plate and a base plate are connected in accordance with an embodiment of the present utility model.
Reference numerals illustrate:
100 is a controller, 101 is an upper cover, 102 is a base, 1021 is an upper end, 1022 is a lower end, 103 is a circuit board, and 104 is a counter mounting position;
10 is a power supply structure;
1 is a power supply, 11 is a wire;
2 is a power supply fixing component, 21 is a bottom plate, 22 is a converging plate, 221 is a wire clamping groove, 23 is a wire pressing plate, 24 is a limiting plate, and 241 is a telescopic groove.
3 is a wire accommodating space; 4 is a power supply accommodating space;
5 is a first buckle, 51 is an arc surface;
and 6 is a second buckle, and 61 is a limiting bulge.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure 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.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.
It should be noted that, the power fixing component 2 may be disposed on the upper cover 101 side of the controller 100, as shown in fig. 1, or may be disposed on the base 102 side of the controller 100, as shown in fig. 2-3; while the counter is always provided on one side of the base 102 of the controller 100. The base 102 of the controller 100 is a portion where the controller 100 is mounted in contact with a base meter of a meter.
Referring to fig. 1, 2 and 3, the present utility model proposes a controller 100, comprising: a controller housing, a power supply 1, a power supply fixing assembly 2, a circuit board 103, and a counter mounted at a counter mounting position 104 in fig. 1;
the controller shell comprises an upper cover 101 and a base 102, and the upper cover 101 is connected with the base 102;
the power supply fixing component 2 is arranged on the upper cover 101 or the base 102, the counter is arranged on the upper end 1021 of the base 102, the circuit board 103 is arranged in the controller 100 and is close to the lower end 1022 of the base 102 relative to the counter, the power supply fixing component 2 is arranged between the circuit board 103 and the upper cover 101 of the controller 100, or the power supply fixing component 2 is arranged between the circuit board 103 and the base 102 of the controller 100;
the power supply 1 is arranged in the power supply fixing assembly 2.
According to the controller 100 of the present utility model, by defining the positions of the circuit board 103 and the counter inside the controller 100, so that there is enough space inside the controller 100 to install the power supply 1, and disposing the power supply fixing assembly 2 on the upper cover 101 or the base 102, the power supply fixing assembly 2 being located between the circuit board 100 and the upper cover 101 or the base 102, and finally installing the power supply 1 inside the power supply fixing assembly 2, the installation of the power supply 1 inside the controller 100 is completed; the problem that the standby power cannot be installed on the controller 100 in the prior art is well solved.
Meanwhile, since the power supply 1 is mounted on the upper cover 101 or the base 102 instead of the circuit board 103, the volume of the circuit board 103 is reduced, and the cost is further reduced; in addition, since the power fixing assembly 2 is located between the circuit board 103 and the upper cover 101 or the base 102, the length of the wire 11 between the power source 1 and the circuit board 103 can be properly shortened, and further the problem that the wire 11 is easy to jam the counting gear due to the siltation of the wire 11 is properly improved.
It should be noted that, the base 102 of the controller 100 is mounted on the base table of the metering device, the upper end 1021 is represented as one end of the controller 100 near the opening position of the air inlet and the air outlet of the base table, the lower end 1022 is represented as one end of the controller 100 near the mounting position of the metering module of the base table, and the upper end 1021 and the lower end 1022 are opposite ends on the controller 100; the upper end 1021 of the upper cover 101 and the upper end 1021 of the base 102 are both referred to as the same end of the controller 100, and the lower end 1022 of the upper cover 101 and the lower end 1022 of the base 102 are both referred to as the same end of the controller 100, and as shown in fig. 1, 2 and 3, the upper end 1021 is located above the lower end 1022 in the vertical direction.
In addition, the circuit board 103 is arranged in the controller 100 and is close to the lower end 1022 of the base 102 relative to the counter, and the power fixing component 2 is arranged between the circuit board 103 and the upper cover 101 or the base 102 of the controller 100, so as to limit the relation among the circuit board 103, the power fixing component 2 and the counter, and the problem that the counting gear of the counter is blocked by the lead 11 is easily caused because the positions among the circuit board 103, the power fixing component 2 and the counter are relatively close; as shown in fig. 2-3, the circuit board 103, the power fixing assembly 2 and the counter are located on the same side of the circuit board 103, so that the problem that the wire 11 is stuck to the counter gear is more serious.
Finally, the power supply 1 fixed in the power supply fixing assembly 2 in the present utility model is a standby power supply, and in the metering device, the general power supply 1 includes a standby power supply and a main power supply, wherein the standby power supply is mainly used for metering the gas meter, and the main power supply is generally disposed at the upper end 1021 of the controller 100, and is not related to the inventive concept of the present utility model, and will not be described in detail herein.
Obviously, how to solve the problem that the wire 11 is easy to be jammed in the counting gear of the counter is also very important.
Specifically, the power supply structure 10 is provided in the controller 100, which is a generic term for the power supply 1 and the power supply fixing assembly 2; the power supply 1 is arranged in the power supply fixing assembly 2; the power supply fixing assembly 2 comprises a bottom plate 21 and a plurality of beam-converging plates 22, the plurality of beam-converging plates 22 are arranged on the bottom plate 21, a first annular structure is formed between the plurality of beam-converging plates 22, and the first annular structure and the bottom plate 21 form a wire accommodating space 3.
Therefore, when the power supply 1 is installed in the power supply fixing assembly 2 and supplies power to the circuit board 103, the redundant wires 11 between the power supply 1 and the circuit board 103 can be wound up and then stored in the wire storage space 3, so that the situation that the wires 11 are blocked by the counter gear due to the fact that the lengths of the wires 11 are too long and are accumulated in the controller shell is further avoided.
In some embodiments of the present utility model, the first annular structure is a first closed annular structure, in other words, the adjacent collecting plates 22 are all connected, and the first closed annular structure and the bottom plate 21 form the wire receiving space 3, and since the first annular structure has no gap in the circumferential direction, the wire receiving space 3 has a better wire receiving effect.
Referring to fig. 4 and 6, in some embodiments of the present utility model, the first annular structure is a first open annular structure, in other words, the adjacent beam-receiving plates 22 are not all connected, and the first annular structure has a gap in its circumferential direction, compared with the first annular structure having no gap in its circumferential direction, in this embodiment, the cost of production can be reduced, but the receiving effect of the wire 11 is relatively reduced.
With continued reference to fig. 4, in order to increase the effect of the wire receiving space 3 on the wire 11, the power fixing assembly 2 may further include a wire pressing plate 23 on the basis that the first annular structure is a first open annular structure or a first closed annular structure, and the wire pressing plate 23 is disposed on the beam receiving plate 22 and opposite to the bottom plate 21, fig. 4 only shows an embodiment of adding the wire pressing plate 23 when the first open annular structure is provided, and any embodiment of adding the wire pressing plate 23 when the first closed annular structure is provided, which may be easily changed or replaced by any person skilled in the art within the scope of the disclosure of the present utility model, and will not be repeated herein.
Obviously, in the present embodiment, since the wire pressing plate 23 is disposed on the beam-converging plate 22, the wire pressing plate 23 can limit the wires 11 located in the wire accommodating space 3, so that the wires 11 cannot escape from the wire accommodating space 3 and enter the controller 100, thereby avoiding interference to the rotation of the counting gear, and further solving the problem of preventing the counting gear from being easily blocked; meanwhile, due to the existence of the line pressing plate 23 and the limit effect on the wires 11, the height of the beam-converging plate 22 can be properly reduced, which is beneficial to reducing the production cost, and meanwhile, due to the reduction of the height of the beam-converging plate 22, the space occupied by the wire accommodating space 3 in the controller 100 is also reduced, so that the occupation of the power supply structure 10 in the internal space of the controller 100 is reduced, the production cost is further reduced, and the popularization and the economy of products are improved.
Further, the wire pressing plate 23 and the beam-receiving plate 22 can be welded, clamped or hinged, so long as the connection stability between the wire pressing plate 23 and the beam-receiving plate 22 is ensured, preferably, the wire pressing plate 23 and the beam-receiving plate 22 are hinged, the wire pressing plate 23 can also rotate along the hinged position, when a wire or a power supply needs to be replaced, as shown in fig. 4, the wire pressing plate 23 only needs to rotate upwards along the hinged position, so that the wire or the power supply can be detached, and the operation is convenient and labor-saving; and when the wire 11 needs to be limited through the wire pressing plate 23, as shown in fig. 4, only the wire pressing plate 23 is required to be rotated downwards along the hinge position until the wire pressing plate 23 moves to the limiting position, the limitation of the wire 11 can be realized, the wire 11 cannot escape from the wire accommodating space 3 and enter the controller 100, further, the interference to the rotation of the counting gear is avoided, and the problem of preventing the counting gear from being blocked easily is further solved.
Of course, when the wire pressing plate 23 moves to the limiting position, the wire pressing plate 23 is limited, so as to ensure the limiting effect of the wire pressing plate 23 on the wire 11, in other words, the position of the wire pressing plate 23 remains unchanged, in order to achieve the purpose of being limited when the wire pressing plate 23 moves to the limiting position, the wire pressing plate 23 can be fixedly connected with the bottom plate 21, the wire pressing plate 23 and the bottom plate 21 can be connected in a clamping or magnetic manner, and the like, so long as the connection stability of the wire pressing plate 23 and the bottom plate 21 is ensured, and the method is not limited herein.
In some embodiments of the present utility model, the harness winding plate 22 is provided with two harness winding grooves 221, the two harness winding grooves 221 are respectively communicated with the wire accommodating space 3, the harness winding grooves 221 are used for the wires 11 to pass through and accommodating the wires 11 in the wire accommodating space 3, the harness winding grooves 221 can be replaced by harness winding holes, after the redundant length part of the wires 11 is wound up, the harness winding grooves are inserted from the notch of one harness winding groove 221, and after the redundant harness winding part of the wires 11 is pressed by the harness winding plate 23, the harness winding grooves pass through the notch of the other harness winding groove 221 and are connected to the circuit board 103.
Specifically, the power fixing assembly 2 further includes a plurality of limiting plates 24, the plurality of limiting plates 24 are disposed on the bottom plate 21, a second annular structure is formed between the plurality of limiting plates 24, the second annular structure and the bottom plate 21 form a power storage space 4, and the power supply 1 is disposed in the power storage space 4.
In some embodiments of the present utility model, as shown in fig. 4-6, the second annular structure is a second closed annular structure, in other words, the adjacent limiting plates 24 are all connected, and the second closed annular structure and the bottom plate 21 form the power receiving space 4, and since the second annular structure has no gap in the circumferential direction, the power receiving space 4 has a better fixing effect on the power source 1.
In some embodiments of the present utility model, the second annular structure is a second open annular structure, in other words, the adjacent limiting plates 24 are not completely connected, and the second annular structure has a gap in its circumferential direction, compared with the second annular structure having no gap in its circumferential direction, in this embodiment, the production cost can be reduced, but the storage effect of the power source 1 is relatively reduced.
In some embodiments of the present utility model, the limiting plate 24 is provided with a first buckle 5 and a second buckle 6, and the first buckle 5 and the second buckle 6 are disposed opposite to each other, so that further limiting of the power supply 1 is achieved through the first buckle 5 and the second buckle 6.
Further, referring to fig. 5, the fastening end of the first fastener 5 is an arc surface 51, the arc surface 51 is matched with the shape of the outer circular surface of the power supply 1, so that the power supply 1 is conveniently fastened into the power supply accommodating space 4, and meanwhile, the arc surface 51 also has a certain limiting effect on the power supply 1; and the tip that second buckle 6 kept away from bottom plate 21 is equipped with spacing protruding 61, and spacing protruding 61 is located the one side that is close to arcwall face 51, sets up spacing protruding 61's effect and lies in: the power supply 1 located in the power supply housing space 4 is limited.
Preferably, when designing the first buckle 5, the radius R 'of the arc-shaped surface 51 of the first buckle 5 is determined to be R' = (1.04-1.1) R according to the radius R of the power supply 1, so as to more conveniently clamp the power supply 1 into the power supply accommodating space 4; meanwhile, the magnitude of the fastening amount should be adjusted by combining the actual assembly condition and the assembly tightness, the larger the fastening amount is, the simpler the assembly is, but the assembly tightness is worse, the smaller the fastening amount is, the more complex the assembly is, but the assembly tightness is better, and it should be noted that, referring to fig. 5, the fastening amount is the distance between the nearest end of the first fastener 5 or the second fastener 6 near the power source 1 and the limiting plate 24 located at the same side.
In some embodiments of the present utility model, the limiting plate 24 is provided with a telescopic slot 241, and the telescopic slot 241 is formed on the limiting plate 24 provided with the first buckle 5, which has the following effects: when the power supply 1 is pressed into the power supply accommodating space 4, the limiting plate 24 deforms, and the telescopic groove 241 is more beneficial to the deformation of the limiting plate 24, so that the power supply 1 is pressed into the power supply accommodating space 4, and the process is more labor-saving and time-saving.
It should be noted that, referring to fig. 7, H is the height of the limiting plate 24, and H is the linear distance between the top end of the limiting plate 24 and the bottom end of the telescopic slot 241, meanwhile, h= (0-1) H, H is the height of the elastic wall of the buckle, and the smaller H is, the smaller the deformation of the limiting plate 24 is, the harder the power source 1 is blocked into the power source limiting space 4, and the more unfavorable the assembly of the power source 1 is; and the larger h is, the larger the deformation of the limiting plate 24 is, the more easily the power supply 1 is clamped into the power supply limiting space 4, and the more favorable the assembly of the power supply 1 is.
In addition, the power supply structure 10 is fixed on the controller shell (the upper cover 101 or the base 102), so that the arrangement space of the circuit board 103 is saved; meanwhile, the power supply structure 10 is located between the circuit board 103 and the controller housing, in other words, the power supply structure 10 and the circuit board 103 are located on the same side, which is favorable for shortening the length of the wire 11 and the path of the wire 11 in the controller 100, so as to improve the interference of the wire 11 on the rotation of the counting gear and further improve the problem that the counting gear is easy to be blocked.
A second aspect of the present utility model proposes a metering device comprising a controller 100 according to any of the preceding claims, and further comprising a base meter, the base 102 of the controller 100 being connected to the base meter.
The metering device according to the present utility model has the same advantages as the controller 100 according to the present utility model, and will not be described again.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. A controller, comprising: the controller comprises a controller shell, a power supply fixing component, a circuit board and a counter;
the controller shell comprises an upper cover and a base, and the upper cover is connected with the base;
the power supply fixing component is arranged on the upper cover or the base, the counter is arranged at the upper end of the base, the circuit board is arranged in the controller and is close to the lower end of the base relative to the counter, and the power supply fixing component is arranged between the circuit board and the upper cover or between the circuit board and the base;
the power supply is arranged in the power supply fixing assembly.
2. The controller of claim 1, wherein the power fixing assembly comprises a bottom plate and a plurality of beam-converging plates, the plurality of beam-converging plates are all arranged on the bottom plate, a first annular structure is formed between the plurality of beam-converging plates, and the first annular structure and the bottom plate form a wire accommodating space.
3. The controller of claim 2, wherein the power supply securing assembly further comprises a wire clamping plate disposed on the convergence plate and disposed opposite the base plate.
4. A controller according to claim 3, wherein the line ball board is hinged to the pinch plate and the line ball board rotates along a hinge position.
5. The controller according to claim 2, wherein the harness folding plate is provided with two wire clamping grooves, and the two wire clamping grooves are communicated with the wire accommodating space.
6. The controller of claim 2, wherein the power fixing assembly further comprises a plurality of limiting plates, the plurality of limiting plates are all arranged on the bottom plate, a second annular structure is formed between the plurality of limiting plates, the second annular structure and the bottom plate form a power storage space, and the power is arranged in the power storage space.
7. The controller of claim 6, wherein the limiting plate is provided with a first buckle and a second buckle, and the first buckle and the second buckle are disposed opposite to each other.
8. The controller of claim 7, wherein the buckle end of the first buckle is an arc surface, the end of the second buckle away from the bottom plate is provided with a limiting protrusion, and the limiting protrusion is located on one side close to the arc surface.
9. The controller of claim 7, wherein the limiting plate is provided with a telescopic slot, and the telescopic slot is formed in the limiting plate provided with the first buckle.
10. A metering device comprising a controller according to any one of claims 1 to 9, and further comprising a base meter, the base of the controller being connected to the base meter.
Priority Applications (1)
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CN202223015631.XU CN218955803U (en) | 2022-11-11 | 2022-11-11 | Controller and metering device |
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CN202223015631.XU CN218955803U (en) | 2022-11-11 | 2022-11-11 | Controller and metering device |
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CN218955803U true CN218955803U (en) | 2023-05-02 |
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CN202223015631.XU Active CN218955803U (en) | 2022-11-11 | 2022-11-11 | Controller and metering device |
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