CN217936192U - Remote frequency conversion construction control cabinet - Google Patents
Remote frequency conversion construction control cabinet Download PDFInfo
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- CN217936192U CN217936192U CN202221638820.XU CN202221638820U CN217936192U CN 217936192 U CN217936192 U CN 217936192U CN 202221638820 U CN202221638820 U CN 202221638820U CN 217936192 U CN217936192 U CN 217936192U
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Abstract
The utility model discloses a long-range variable frequency construction switch board, the switch board includes: the cabinet comprises a cabinet body, a front chamber and a rear chamber, wherein the front chamber and the rear chamber are separated by a partition plate and open outwards; the equipment cabinet comprises an equipment cabinet base, a cabinet door and a cabinet door, wherein an installation cavity is formed in the equipment cabinet base; the cabinet door comprises an openable cabinet front door arranged in the front cavity and an openable cabinet rear door arranged in the rear cavity; the top cover of the machine cabinet is arranged above the body of the machine cabinet; the electrical equipment is arranged in the front cavity; the frequency converter is arranged in the rear cavity; the reactor is arranged in the mounting cavity of the cabinet base. The utility model discloses.
Description
Technical Field
The utility model belongs to the technical field of the frequency conversion construction, especially, relate to long-range frequency conversion construction switch board.
Background
In modern building equipment, fans and water pumps (such as cooling tower fans, blowers of fresh air handling units, air conditioning coil fans, cooling water pumps, freezing water pumps, domestic water supply pumps and the like) are more, asynchronous motors are mostly used for driving the fans and the water pumps, the frequency conversion technology is used as a control technology for converting input rated power frequency alternating current into alternating current with different frequencies for output, and smooth start-stop control and efficient energy-saving operation of a three-phase asynchronous motor can be realized through frequency modulation and speed change.
In the design and construction of building equipment projects, in order to meet the load requirements under the most adverse conditions, sufficient capacity is often reserved for equipment. For example, when designing an air conditioning system, the objective of ensuring the cooling capacity, the water quantity and the air quantity is achieved in consideration of providing a comfortable environment (26 ℃) when the air conditioning system is full under extreme climatic conditions (such as 38 ℃ high temperature in summer). However, in most cases, the equipment system does not need to be operated at the high limit, and the operation at the high limit not only consumes excessive energy, but also reduces the operation quality, so that the pressure bearing of the end equipment and the pipeline is increased, the service life is reduced, and the noise is increased.
The frequency conversion technology is used as a control technology for converting input rated power frequency alternating current into alternating current with different frequencies for output, and smooth start-stop control and efficient energy-saving operation of a three-phase asynchronous motor can be realized through frequency modulation and speed change, so that the method becomes an effective way for solving efficient operation of building equipment at present by utilizing the frequency conversion technology to automatically adjust the operation state of the equipment to be reasonable and optimal according to dynamic changes of loads. Therefore, it is necessary to provide a variable frequency construction control cabinet which satisfies two functions of intellectualization and remote operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art defect, provide long-range frequency conversion construction switch board, use the field of frequency conversion technology construction in needs, can realize under the intelligent mode through this switch board, remote control frequency conversion function.
The purpose of the utility model is realized through the following technical scheme:
a remote variable frequency construction control cabinet, the control cabinet comprising:
the cabinet comprises a cabinet body, a front chamber and a rear chamber, wherein the front chamber and the rear chamber are separated by a partition plate and open outwards;
the equipment cabinet comprises an equipment cabinet base, a cabinet body and a cabinet body, wherein an installation cavity is formed in the equipment cabinet base;
the cabinet door comprises an openable cabinet front door arranged in the front cavity and an openable cabinet rear door arranged in the rear cavity;
the top cover of the machine cabinet is arranged above the body of the machine cabinet;
the electrical equipment is arranged in the front cavity;
the frequency converter is arranged in the rear cavity;
the reactor is arranged in the mounting cavity of the cabinet base;
the control signal interface is arranged on the cabinet body.
Further, the cabinet body still includes:
the heat radiation fan is arranged on the cabinet body and is communicated with the inside of the cabinet body and the outside atmosphere;
the first heat dissipation opening is formed in the cabinet body on the periphery of the front cavity.
Furthermore, the control signal interface is arranged at a groove on the surface of the cabinet body, an opening of the groove is also provided with a waterproof door which can be opened and closed, and the waterproof door and the outer surface of the cabinet body where the groove is arranged are positioned on the same plane.
Further, the cabinet base includes:
the wire outlet is formed in the periphery of the lower end of the cabinet base;
the second heat dissipation port is arranged on the periphery of the upper end of the cabinet base;
the reactor heat dissipation door is arranged on the surface, which is not provided with the second heat dissipation opening, of the periphery of the upper end of the cabinet base;
the electric reactor mounting bracket is arranged in the mounting cavity of the cabinet base and used for vertically mounting the electric reactor.
Further, the cabinet base further includes:
and the carrying holes are arranged on two non-adjacent sides of the cabinet base, which are not provided with the wire outlets.
Further, the cabinet front door includes:
the control panel is provided with a control switch connected with internal electrical equipment;
the control panel door is arranged outside the control panel in an openable and closable manner, and is attached to the surface of the cabinet body where the control panel is located when the control panel door is closed, so that the control panel is sealed inside.
Furthermore, a frequency converter display, a voltmeter and an ammeter are further arranged on the control panel.
Furthermore, the front cavity comprises an electrical appliance mounting plate for mounting electrical equipment, the electrical appliance mounting plate is divided into a first mounting part and a second mounting part, the electrical equipment comprises strong current equipment and weak current equipment, the strong current equipment is mounted on the first mounting part, and the weak current equipment is mounted on the second mounting part.
Furthermore, the cabinet base is detachably connected with the cabinet body, a frequency converter mounting support is further arranged in the rear cavity, and the frequency converter is fixed on the frequency converter mounting support through screws.
Furthermore, a hanging ring is further arranged on the top cover of the machine cabinet.
The beneficial effects of the utility model reside in that:
(1) The utility model provides a remote control frequency conversion function under the long-range frequency conversion construction control cabinet can realize the intelligent mode.
(2) The utility model provides an inside each part of long-range frequency conversion construction switch board adopts the disconnect-type design, and forceful electric power and weak current part are separately, guarantee the security and have anti-jamming ability.
(3) The utility model provides a rack and rack base of long-range frequency conversion construction switch board adopt the separation structure design, and convenient hoist and mount in earlier stage is maintained or is changed than heavier converter and later stage to the converter.
Drawings
Fig. 1 is a schematic structural view of a remote variable frequency construction control cabinet provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of a control signal interface of a remote variable-frequency construction control cabinet provided by an embodiment of the present invention;
fig. 3 is a schematic view of a front door of a remote variable frequency construction control cabinet provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a rear door of a remote variable frequency construction control cabinet provided by an embodiment of the present invention;
fig. 5 is a schematic diagram of a front chamber of a remote variable-frequency construction control cabinet provided by an embodiment of the present invention;
fig. 6 is a schematic view of a frequency converter mounting bracket of a remote frequency conversion construction control cabinet provided by an embodiment of the present invention;
fig. 7 is a schematic view of a control panel of a remote variable-frequency construction control cabinet provided by an embodiment of the present invention.
The intelligent control system comprises a cabinet top cover 1, a cabinet body 2, a cabinet base 3, a cabinet front door 4, a cabinet rear door 5, a hanging ring 11, a cooling fan 21, a control signal interface 22, a first cooling opening 23, an electrical appliance mounting plate 24, a frequency converter mounting bracket 25, an outlet 31, a carrying hole 32, a second cooling opening 33, a reactor cooling door 34, a reactor mounting bracket 35, a control panel door 41 and a control panel 42.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the design and construction of building equipment projects, in order to meet the load requirements under the most adverse conditions, sufficient capacity is often reserved for equipment. For example, air conditioning systems are designed with consideration of providing a comfortable environment (26 ℃) when the system is full under extreme climatic conditions (e.g., 38 ℃ C. In summer), and for this purpose, the cooling capacity, the water capacity and the air capacity must be ensured. However, in most cases, the equipment system does not need to be operated at the high limit, and the operation at the high limit not only consumes excessive energy, but also reduces the operation quality, so that the bearing pressure of the end equipment and the pipeline is increased, the service life is shortened, and the noise is increased.
In order to solve the technical problem, provided the utility model discloses each embodiment described below of long-range frequency conversion construction switch board.
Referring to fig. 1, as shown in the figure, it is a schematic structural diagram of a remote variable frequency construction control cabinet provided in this embodiment, and the control cabinet specifically includes: cabinet body 2, cabinet door, cabinet top cap 1, electrical equipment, converter, reactor and control signal interface 22.
Wherein, the cabinet body 2 is internally provided with a front chamber and a rear chamber which are separated by a clapboard and are opened outwards. An installation cavity is formed in the cabinet base 3. The cabinet door comprises an openable cabinet front door 4 arranged in the front chamber and an openable cabinet rear door 5 arranged in the rear chamber. The cabinet top cover 1 is arranged above the cabinet body 2. The electrical equipment is arranged in the front chamber. The frequency converter is arranged in the rear cavity. The reactor is arranged in the installation cavity of the cabinet base 3. The control signal interface 22 is opened on the cabinet body 2.
Referring to fig. 4, as shown in fig. 4, a schematic view of a rear door 5 of a cabinet of a remote variable-frequency construction control cabinet provided in this embodiment is shown. And heat dissipation holes are arranged under the cabinet rear door 5.
Referring to fig. 2, as shown in fig. 2, a schematic view of a control signal interface 22 of the remote variable frequency construction control cabinet provided in this embodiment is shown. In this embodiment, the control signal interface 22 is designed as a door with a waterproof structure, and includes a signal input interface therein, and is designed as an aerial plug quick connector, thereby facilitating field installation and maintenance. Specifically, the control signal interface 22 is disposed in a groove on the surface of the cabinet body 2, an opening of the groove is further provided with a waterproof door capable of being opened and closed, and the waterproof door and the outer surface of the cabinet body where the groove is located are located on the same plane.
Referring to fig. 5, as shown in fig. 5, a schematic diagram of a front cavity of the remote variable-frequency construction control cabinet provided in this embodiment is shown. In the remote frequency conversion construction control cabinet that this embodiment provided, the inside control room that defines of front cavity for installation electrical equipment includes control relay, air switch and main program controller etc. realizes long-range control and data acquisition to construction equipment.
As one embodiment, the electric devices are classified into a strong electric device and a weak electric device. Strong electric equipment and light current equipment are fixed in the preceding cavity through the electrical apparatus mounting panel 24 of installation electrical apparatus, and electrical apparatus mounting panel 24 divide into first installation department and second installation department, and first installation department and second installation department distribute about, and strong electric equipment installs in first installation department, and light current equipment installs in the second installation department. The distribution design of the electrical equipment can effectively eliminate the interference of strong current equipment to weak current equipment.
As an embodiment, the cabinet body 2 of the present embodiment is further provided with a heat dissipation fan 21 and a first heat dissipation opening 23. The heat dissipation fans 21 are arranged on the cabinet body 2, and two heat dissipation fans 21 are respectively arranged on two sides of the cabinet and used for communicating the inside of the cabinet body 2 with the outside atmosphere to draw out hot air, so that the internal environment is maintained at a normal temperature. The first heat dissipation port 23 is opened on the cabinet body at the periphery of the front chamber and used for dissipating heat of an electrical appliance mounting plate 24 inside the cabinet.
As an implementation manner, in this embodiment, the top cover 1 of the cabinet is provided with two lifting rings 11, and two lifting rings are respectively arranged on two opposite sides, so that the control cabinet can be conveniently lifted and transported by lifting equipment on a construction site.
As an embodiment, the cabinet base 3 of the present embodiment is provided with an outlet 31, a second heat sink 33, a reactor heat sink door 34, and a reactor mounting bracket 35. The outlet 31 is formed in the periphery of the lower end of the cabinet base 3, the diameter of a cable used on site is large and hard due to the fact that the power of a used frequency converter is large, and the outlet 31 is designed to facilitate threading from the bottom. The second heat dissipation opening 33 is formed in the periphery of the upper end of the cabinet base 3, and generally, the second heat dissipation opening 33 may be formed in two opposite surfaces to ensure air convection for heat dissipation, the reactor heat dissipation door 34 is formed in the periphery of the upper end of the cabinet base 3, where the second heat dissipation opening 33 is not formed, and the second heat dissipation opening 33 and the reactor heat dissipation door 34 are designed to physically dissipate heat for the reactor. The reactor mounting bracket 35 is arranged in the mounting cavity of the cabinet base 3 and used for vertically mounting the reactor. Because the binding post of reactor is upper and lower formula, so adopt simple structural design, with reactor vertical installation on the support, make things convenient for inside and outside wiring.
As an implementation manner, in the embodiment, the cabinet base 3 is further provided with the carrying holes 32, the carrying holes 32 are disposed on two non-adjacent sides of the cabinet base 3 where the outlet 31 is not formed, and the situation of changing the working position of the construction control cabinet may be involved in the use process, so that the carrying holes 32 are designed to facilitate on-site forklift carrying. The carrying holes 32 are designed as rectangular holes in the present embodiment.
Referring to fig. 3 and fig. 7, as shown in fig. 3, a schematic diagram of a front door 4 of a remote variable frequency construction control cabinet provided in this embodiment is shown. Fig. 7 is a schematic view of a control panel 42 of the remote variable-frequency construction control cabinet provided in this embodiment. In this embodiment, a control panel 42 and a control panel door 41 are provided on the front door 4 of the cabinet. The control panel 42 is provided with a control switch connected with internal electrical equipment, so that the rapid operation of field workers is facilitated, and a frequency converter display, a voltmeter and an ammeter are installed, so that the change of current, voltage and other parameters in the construction process can be observed conveniently in real time. The control panel door 41 is provided outside the control panel 42 so as to be openable and closable, and when the control panel door 41 is closed, it is attached to the surface of the cabinet where the control panel 42 is located, and the control panel 42 is sealed. The control panel door 41 is designed to have a waterproof structure, and is suitable for outdoor working environments.
Referring to fig. 6, as shown in fig. 6, a schematic view of a frequency converter mounting bracket 25 of a remote frequency conversion construction control cabinet provided in this embodiment is shown. As an implementation mode, the cabinet base 3 and the cabinet body 2 of the construction control cabinet provided by this embodiment can be detachably connected, a frequency converter mounting bracket 25 is further arranged in the rear cavity, and the frequency converter is fixed on the frequency converter mounting bracket 25 through screws. The converter is because can meet the condition that the maintenance was changed in the use, but the weight of converter is heavier, not good transport, so design converter installing support 25, with two screw fixation for the converter, can unpack apart cabinet base 3 and cabinet body 2 when the converter will be changed in the later stage and change can, this design has improved the efficiency that the converter was changed greatly, convenient and fast. In this embodiment, the cabinet base 3 and the cabinet body 2 can be connected by high-strength bolts, so as to ensure the bearing capacity during hoisting.
Through the remote frequency conversion construction control cabinet that this embodiment provided, gather relevant information parameter in the work progress, constructor only need operate the relevant button on the control cabinet and just can realize remote control frequency conversion construction.
The remote control frequency conversion function under the intelligent mode can be realized to the remote frequency conversion construction control cabinet that this embodiment provided. Each part in the control cabinet adopts a separated design, and strong current and weak current are separated, so that the safety is ensured, and the anti-interference capability is realized. The cabinet and the cabinet base of the control cabinet adopt a separation structure design, so that the frequency converter can be conveniently maintained or replaced by hoisting the heavier frequency converter in the earlier stage and hoisting the frequency converter in the later stage.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a long-range frequency conversion construction control cabinet which characterized in that, the switch board includes:
the cabinet comprises a cabinet body, a partition plate and a plurality of partition plates, wherein a front chamber and a rear chamber which are separated by the partition plate and open outwards are defined in the cabinet body;
the equipment cabinet comprises an equipment cabinet base, a cabinet body and a cabinet body, wherein an installation cavity is formed in the equipment cabinet base;
the cabinet door comprises an openable cabinet front door arranged in the front cavity and an openable cabinet rear door arranged in the rear cavity;
the top cover of the machine cabinet is arranged above the machine cabinet body;
the electrical equipment is arranged in the front cavity;
the frequency converter is arranged in the rear cavity;
the reactor is arranged in the mounting cavity of the cabinet base;
the control signal interface is arranged on the cabinet body.
2. The remote variable frequency construction control cabinet of claim 1, wherein the cabinet body further comprises:
the heat radiation fan is arranged on the cabinet body and is communicated with the inside of the cabinet body and the outside atmosphere;
the first heat dissipation opening is formed in the cabinet body on the periphery of the front cavity.
3. The remote variable-frequency construction control cabinet according to claim 1, wherein the control signal interface is disposed at a groove on the surface of the cabinet body, the opening of the groove is further provided with a waterproof door capable of being opened and closed, and the waterproof door and the outer surface of the cabinet body where the groove is disposed are located on the same plane.
4. The remote variable frequency construction control cabinet of claim 1, wherein the cabinet base comprises:
the wire outlet is formed in the periphery of the lower end of the cabinet base;
the second heat dissipation opening is formed in the periphery of the upper end of the cabinet base;
the reactor heat dissipation door is arranged on the surface, which is not provided with the second heat dissipation opening, of the periphery of the upper end of the cabinet base;
the electric reactor mounting bracket is arranged in the mounting cavity of the cabinet base and used for vertically mounting the electric reactor.
5. The remote variable frequency construction control cabinet of claim 1, wherein the cabinet base further comprises:
and the carrying holes are arranged on two non-adjacent sides of the cabinet base, which are not provided with the wire outlets.
6. The remote variable frequency construction control cabinet of claim 1, wherein the cabinet front door comprises:
the control panel is provided with a control switch connected with internal electrical equipment;
the control panel door is arranged outside the control panel in an openable and closable manner, and is attached to the surface of the cabinet body where the control panel is located when the control panel door is closed, so that the control panel is sealed inside.
7. The remote variable frequency construction control cabinet according to claim 6, wherein a frequency converter display, a voltmeter and an ammeter are further arranged on the control panel.
8. The remote variable frequency construction control cabinet of claim 1, wherein the front chamber comprises an electrical mounting plate for mounting electrical equipment, the electrical mounting plate being divided into a first mounting portion and a second mounting portion, the electrical equipment comprising a strong electrical equipment and a weak electrical equipment, the strong electrical equipment being mounted to the first mounting portion, the weak electrical equipment being mounted to the second mounting portion.
9. The remote variable-frequency construction control cabinet according to claim 1, wherein the cabinet base is detachably connected with the cabinet body, a frequency converter mounting bracket is further arranged in the rear cavity, and the frequency converter is fixed on the frequency converter mounting bracket through screws.
10. The remote variable-frequency construction control cabinet according to claim 1, wherein a lifting ring is further provided on the top cover of the machine cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221638820.XU CN217936192U (en) | 2022-06-28 | 2022-06-28 | Remote frequency conversion construction control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221638820.XU CN217936192U (en) | 2022-06-28 | 2022-06-28 | Remote frequency conversion construction control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217936192U true CN217936192U (en) | 2022-11-29 |
Family
ID=84183898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221638820.XU Active CN217936192U (en) | 2022-06-28 | 2022-06-28 | Remote frequency conversion construction control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217936192U (en) |
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2022
- 2022-06-28 CN CN202221638820.XU patent/CN217936192U/en active Active
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