CN210577089U - Switch cabinet - Google Patents
Switch cabinet Download PDFInfo
- Publication number
- CN210577089U CN210577089U CN201921428150.7U CN201921428150U CN210577089U CN 210577089 U CN210577089 U CN 210577089U CN 201921428150 U CN201921428150 U CN 201921428150U CN 210577089 U CN210577089 U CN 210577089U
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- Prior art keywords
- cabinet
- control switch
- electric control
- power supply
- switch
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- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of electric and specifically relates to a cubical switchboard. The cabinet body forms an accommodating space with the cabinet door be equipped with major loop and control circuit in the accommodating space, its characterized in that: the main loop comprises a three-phase power supply and an electric control switch, the power input of a load is connected with the three-phase power supply through the electric control switch, the power input of the control loop is connected with one phase of the three-phase power supply, and the signal output of the control loop is connected with the signal input of the electric control switch. The switch cabinet provided by the utility model is provided with the ventilation holes on the side wall of the cabinet body and the cabinet door respectively, which is favorable for heat dissipation; the novel load starting and stopping device is simple and practical in structure and convenient to install, an operator can realize starting and stopping control over the load only by pressing a button of the control circuit during use, and safety and stability of the novel load starting and stopping device are improved.
Description
Technical Field
The utility model belongs to the technical field of electric and specifically relates to a cubical switchboard.
Background
When the existing switch cabinet realizes the control of the load, the usually adopted mode is that an operator opens the cabinet door, finds a corresponding empty opening and opens or closes the cabinet door; in this way, there are mainly the following problems: the air switch usually needs an operator to open or close with a large force, and long-time breaking easily causes loosening of a fixed base of the air switch to cause potential safety hazards.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a cubical switchboard overcomes prior art's is not enough, controls the load through utilizing control circuit, has avoided the potential safety hazard.
In order to realize the above-mentioned purpose, the utility model provides a pair of switch cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body and a cabinet door, the cabinet body forms an accommodating space with the cabinet door be equipped with major loop and control circuit in the accommodating space, the major loop includes three phase current and electric control switch, and the power input of load passes through electric control switch with three phase current links to each other, control circuit's power input with one phase of three phase current links to each other, control circuit's signal output connects electric control switch's signal input.
As a preferred implementation mode of the present application, the main circuit further comprises a circuit breaker, wherein the input of the circuit breaker is connected to the three-phase power supply, and the output of the circuit breaker is connected to the electric control switch.
The control loop comprises a control button and a relay as a preferred embodiment of the application; the power input of the relay is connected with one phase of the phase power supply through the control button, and the output of the relay is connected with the signal input of the electric control switch.
As a preferred embodiment of the present application, the control circuit further includes an indicator light, and the indicator light is connected in series with the electric control switch.
In a preferred embodiment of the present application, the electrically controlled switch is an ac contactor, and a signal input of the ac contactor is connected to a signal output of the control circuit.
As a preferred embodiment of the present application, the main circuit further includes a reactor, and the reactor is connected in parallel with the electric control switch.
As a preferred embodiment of the application, lifting rings are further arranged at four corners of the top of the cabinet body.
As a preferred embodiment of the present application, the side wall of the cabinet body and the cabinet door are both provided with vent holes.
The utility model has the advantages that: the switch cabinet provided by the utility model is provided with the ventilation holes on the side wall of the cabinet body and the cabinet door respectively, which is favorable for heat dissipation; the novel load starting and stopping device is simple and practical in structure and convenient to install, an operator can realize starting and stopping control over the load only by pressing a button of the control circuit during use, and safety and stability of the novel load starting and stopping device are improved.
Drawings
Fig. 1 is a front view of a switch cabinet according to an embodiment of the present invention;
fig. 2 is a rear view of a switch cabinet according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a main loop and a control loop according to an embodiment of the present invention.
Detailed Description
Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known circuits, software, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale.
Referring to fig. 1 and 2, a switch cabinet according to an embodiment of the present invention includes a cabinet body and a cabinet door, and the cabinet body and the cabinet door form an accommodating space. The whole switch cabinet is in a cuboid shape; the ventilation openings are formed in the lower portions of the two cabinet doors and the side walls of the cabinet body, and the ventilation openings can timely remove heat in the accommodating space, so that heat dissipation is facilitated during working. Still be equipped with the hoisting ring on four angles at cabinet body top, utilize the hoisting ring can be right it hoists to the assigned position through equipment such as loop wheel machine when the cubical switchboard is installed, can practice thrift power cost and improve the installation effectiveness.
Referring to fig. 3, a main circuit and a control circuit are disposed in the accommodating space, wherein the main circuit includes a three-phase power supply, U, V and W phases of the three-phase power supply are respectively connected to one end of a circuit breaker QF, the other end of the circuit breaker QF is connected to an electric control switch, and the electric control switch is electrically connected to a load. In this embodiment, the operating lever of the breaker QF is disposed in the switch cabinet, and an operator can manually break the operating lever to directly cut off the power supply in case of emergency.
As a preferred embodiment of the present application, the load is a water pump, the main circuit further includes a reactor DKQ, the reactor DKQ is connected in parallel to both ends of the electronic control switch, the reactor DKQ generates a large back electromotive force, the starting voltage is suppressed to about 60% of the rated voltage, the load starts to operate with a small impact, the rotation speed of the water pump continuously increases, when the current gradually decreases, the inductive reactance of the reactor DKQ is basically unchanged, at this time, the voltage across both ends of the reactor DKQ decreases, the starting voltage of the water pump gradually increases to approach the rated value, the water pump starts to complete, the electronic control switch is turned on, and the water pump operates normally. Further, the electric control switch is an alternating current contactor KM; in another or some embodiments of the present invention, the electronic control switch may also adopt other components, which are not described herein again.
In the embodiment, the control loop comprises a control button SB, a relay K1 and an indicator light; the power input of the relay K1 is connected with one phase of the phase power supply through the control button SB, the output of the relay K1 is connected with the signal input of the alternating current contactor KM, and the indicator lamp is connected with the electric control switch in series. In the actual working process, an operator presses a control button SB, the relay K1 is switched on, the alternating current contactor KM is attracted, the indicator lamp is lightened, and the load starts to work normally after being powered on.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. The utility model provides a switch cabinet, includes the cabinet body and cabinet door, the cabinet body forms an accommodating space with the cabinet door be equipped with major loop and control circuit in the accommodating space, its characterized in that: the main loop comprises a three-phase power supply and an electric control switch, the power input of a load is connected with the three-phase power supply through the electric control switch, the power input of the control loop is connected with one phase of the three-phase power supply, and the signal output of the control loop is connected with the signal input of the electric control switch.
2. The switchgear cabinet as claimed in claim 1, wherein: the main circuit further comprises a circuit breaker, the input of the circuit breaker is connected with the three-phase power supply, and the output of the circuit breaker is connected with the electric control switch.
3. The switchgear cabinet as claimed in claim 1, wherein: the control loop comprises a control button and a relay; the power input of the relay is connected with one phase of the phase power supply through the control button, and the output of the relay is connected with the signal input of the electric control switch.
4. A switchgear cabinet according to claim 3, characterized in that: the control circuit further comprises an indicator light, and the indicator light is connected with the electric control switch in series.
5. The switchgear cabinet as claimed in claim 1, wherein: the electric control switch is an alternating current contactor, and the signal input of the alternating current contactor is connected with the signal output of the control loop.
6. The switchgear cabinet as claimed in claim 1, wherein: the main loop further comprises a reactor, and the reactor is connected with the electric control switch in parallel.
7. The switchgear as claimed in any of claims 1-6, wherein: and hoisting rings are further arranged at four corners of the top of the cabinet body.
8. The switchgear as claimed in any of claims 1-6, wherein: the lateral wall of the cabinet body and the cabinet door are both provided with ventilation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428150.7U CN210577089U (en) | 2019-08-30 | 2019-08-30 | Switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428150.7U CN210577089U (en) | 2019-08-30 | 2019-08-30 | Switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210577089U true CN210577089U (en) | 2020-05-19 |
Family
ID=70638369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921428150.7U Active CN210577089U (en) | 2019-08-30 | 2019-08-30 | Switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210577089U (en) |
-
2019
- 2019-08-30 CN CN201921428150.7U patent/CN210577089U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A switch cabinet Effective date of registration: 20211029 Granted publication date: 20200519 Pledgee: Xianyang financing guarantee Limited by Share Ltd. Pledgor: Xi'an Taifeng electrical equipment factory Registration number: Y2021990001038 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231025 Granted publication date: 20200519 Pledgee: Xianyang financing guarantee Limited by Share Ltd. Pledgor: Xi'an Taifeng electrical equipment factory Registration number: Y2021990001038 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |