CN210218189U - Automatic speed regulation fan based on load capacity in load box - Google Patents
Automatic speed regulation fan based on load capacity in load box Download PDFInfo
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- CN210218189U CN210218189U CN201920844278.5U CN201920844278U CN210218189U CN 210218189 U CN210218189 U CN 210218189U CN 201920844278 U CN201920844278 U CN 201920844278U CN 210218189 U CN210218189 U CN 210218189U
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Abstract
The embodiment of the utility model discloses an automatic speed-regulating fan based on load capacity in a load box, belonging to the technical field of fan speed-regulating circuits, the technical proposal is that the device comprises a fan arranged in a load box, the fan is provided with a motor for controlling the rotation of fan blades, a motor controller is arranged in the load box, the motor controller is connected with the motor circuit, the load box is also internally provided with a PLC and a measuring meter for measuring the load power, the PLC comprises a data sampling module, a data comparison module and a processing input module, the measuring meter, the data sampling module, the data comparison module, the processing input module and the motor controller are respectively connected with the circuit, thereby solving the problem that the fans in the high-power load box are always in a high-speed running state in the prior art, the problem that the heating value is small in the low-power test, but the fan is still in a high-speed operation state and is difficult to adjust is solved.
Description
Technical Field
The embodiment of the utility model provides a fan speed governing circuit technical field, concretely relates to automatic speed governing fan based on load capacity in load box.
Background
The main load element of the inward resistance load is a resistor which works in a heating mode, so that a radiating fan needs to be arranged in each inward load, the reliable operation of the load to equipment is ensured, and the resistance element and other equipment are prevented from being damaged due to overheating in a load box.
Some high-power resistive loads need to be configured with a high-speed and high-power axial fan due to large heat productivity, the fan runs at a fixed rotating speed, and even in a low-power test, the fan is also in a high-speed running state.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides an automatic speed regulation fan based on load capacity in the load box to solve among the prior art because the fan in some high-power load boxes is in the state of high-speed operation always, when the miniwatt test, calorific capacity is little, but the problem that the fan is difficult to adjust to it still high-speed running state.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to the utility model discloses an in the first aspect, an automatic speed governing fan based on load capacity in load box, including setting up the fan to load box, and be equipped with control flabellum pivoted motor on the fan, be provided with machine controller in the load box, and machine controller and motor circuit are connected, still be provided with PLC in the load box and be used for measuring the gauge of load power, PLC includes that PLC includes
The data sampling module is connected with the data acquisition module through a circuit, and the measuring meter transmits the acquired load power information to the data acquisition module through the circuit;
the data comparison module is in circuit connection with the data acquisition module, the data acquisition module inputs acquired data into the data comparison module, and the data comparison module is used for comparing received data information with preset data information to obtain information of load power;
and the processing input module is respectively connected with the data comparison module and the motor controller circuit, and is used for receiving the load power information obtained by the data comparison module and inputting the load power information into the motor controller so as to control the motor controller to work.
Further, a protective shell is arranged on the outer sides of the fan and the motor and fixed to the side wall of the load box.
Further, the end fixing of protective housing has the protection network, a plurality of installation pieces of fixedly connected with on the edge of protection network, every the installation piece laminates the tip of protective housing, and passes through bolted connection between every installation piece and the protective housing.
Furthermore, a circular truncated cone-shaped wind blocking block is fixed at the center of the protective net, one end of the wind blocking block with a large area is fixed on the protective net, and the other end with a small area is opposite to the fan.
Furthermore, a through hole is formed in the center of the wind blocking block.
The embodiment of the utility model provides a have following advantage: through the arrangement of structures such as a PLC, a power meter, a motor controller and the like, when the test is carried out, the load power is tested by using the power meter, then, the information of the load power is collected by a data collection module and is input into a data comparison module, at the moment, the data input into the data information comparison module can be compared with preset data information and is input into a data input control module, and finally, the information is input into the motor controller, so that the motor controller opens gears according to the received information, the motor runs according to the gears opened by the motor controller, the fan can regulate the speed according to different load powers, and the condition that the fan runs at a high speed at any time is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a system schematic diagram of an automatic speed regulation fan provided in the embodiment of the present invention.
Fig. 2 is an internal structure diagram of a fan of an automatic speed regulation fan according to an embodiment of the present invention.
Fig. 3 is an enlarged view of a in fig. 2.
In the figure: 1. a load box; 2. a fan; 3. a protective shell; 4. a protective net; 5. mounting a sheet; 6. a wind blocking block; 7. a through hole; 8. a motor controller; 81. a measuring meter; 91. a data sampling module; 92. a data comparison module; 93. and processing the input module.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
An automatic speed regulation fan based on load capacity in a load box is disclosed, as shown in figures 1, 2 and 3, and comprises a fan 2 arranged in the load box 1, wherein a motor for controlling the rotation of fan blades is arranged on the fan 2, a motor controller 8 is also arranged in the load box 1, and the motor controller 8 is connected with a motor circuit, so that the motor controller 8 can control the rotation speed of the motor, thereby controlling the rotation speed of the fan 2; the load box 1 is also provided with a PLC and a meter 81 for measuring load power, and the meter 81 is electrically connected to the load element so that the magnitude of the power of the load resistance element can be measured by the meter 81.
As shown in fig. 1, the PLC is a programmable controller, and includes a data sampling module 91, a data comparison module 92, and a processing input module 93, where the data acquisition module is in circuit connection with the meter 81, and the meter 81 transmits information of load power to the data acquisition module after measuring the information; the data comparison module 92 is in circuit connection with the data acquisition module, and the data acquisition module inputs acquired data into the data comparison module 92; the data comparison module 92 is preset with comparison data information of power, and after receiving the information input by the data acquisition module, the data comparison module 92 compares the information with the preset data information to obtain the information of load power.
The processing input module 93 is respectively connected with the data comparison module 92 and the motor controller 8 through circuits, the data comparison module 92 can transmit the information to the motor controller 8 after obtaining the information of the load power, and the motor controller 8 can determine the starting gear of the motor controller 8 according to the obtained power information after obtaining the information, so that the motor rotates according to the starting gear of the motor controller 8, and the fan 2 is prevented from being in the process of high-speed operation all the time.
As shown in fig. 3, a protective casing 3 is arranged outside the fan 2 and the motor, and the protective casing 3 is fixedly connected to the side wall of the load box 1, by means of the arrangement of the protective casing 3, it is avoided that some elements or lines are moved to the position of the fan 2, thereby causing some damage to the fan 2,
in addition, a protective screen 4 is fixed at the end part of the protective shell 3, a plurality of mounting pieces 5 are fixedly connected to the edge of the protective screen 4, each mounting piece 5 is attached to the end part of the protective shell 3, and each mounting piece 5 is connected with the protective shell 3 through a bolt; when the fan 2 is used for a long time, the fan blades may become loose relatively, so that the arrangement of the protective net 4 can prevent the fan blades from directly flying off and impacting elements in the load box 1 after falling off; meanwhile, as the protective screen 4 is fixed on the protective shell 3 through the mounting piece 5 and the bolts, when the fan 2 has a problem, the fan is convenient to detach for maintenance or replacement.
As shown in fig. 3, a truncated cone-shaped wind blocking block 6 is fixed at the center of the protection net 4, wherein one end of the wind blocking block 6 with a larger area is fixedly connected to the protection net 4, and the other end with a smaller area is opposite to the position of the fan 2, so that after the wind blown by the fan 2 reaches the position of the wind blocking block 6, the wind can move around along the outer wall of the wind blocking block 6, the wind can be rapidly diffused around the load box 1, and the cooling effect of the fan 2 in the load box 1 is better.
A through hole 7 is further provided at the center of the wind blocking block 6, and when the wind blown out by the fan 2 reaches the position of the wind blocking block 6, a part of the wind is blown to the elements in the load box 1 through the through hole 7, so that the wind can be blown into the load box 1 more completely to reduce the temperature.
The utility model discloses a PLC, the setting of power meter and motor controller 8 isotructures, when testing, utilize the power meter to test load power, later gather load power's information through the data acquisition module and input in data contrast module 92, at this moment, can make the data of inputing in the data information contrast module contrast with the data information that has set up in advance, and input into data input control module with it, at last with this information input to motor controller 8 in, make motor controller 8 open the gear according to received information, thereby make the gear that the motor opened according to motor controller 8 operate, make fan 2 carry out the speed governing according to the load power of difference like this, avoid making fan 2 be in high-speed moving state constantly.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. An automatic speed regulation fan based on load capacity in a load box is characterized in that: including setting up the fan to the load incasement, and be equipped with control flabellum pivoted motor on the fan, be provided with machine controller in the load incasement, and machine controller and motor circuit connection, still be provided with PLC in the load incasement and be used for measuring the gauge of load power, PLC includes that PLC includes
The data sampling module is connected with the data acquisition module through a circuit, and the measuring meter transmits the acquired load power information to the data acquisition module through the circuit;
the data comparison module is in circuit connection with the data acquisition module, the data acquisition module inputs acquired data into the data comparison module, and the data comparison module is used for comparing received data information with preset data information to obtain information of load power;
and the processing input module is respectively connected with the data comparison module and the motor controller circuit, and is used for receiving the load power information obtained by the data comparison module and inputting the load power information into the motor controller so as to control the motor controller to work.
2. The automatic speed regulation fan based on load capacity in a load box of claim 1, wherein: the outer sides of the fan and the motor are provided with protective shells which are fixed to the side walls of the load box.
3. The automatic speed regulation fan based on load capacity in a load box of claim 2, wherein: the tip of protective housing is fixed with the protection network, a plurality of installation pieces of fixedly connected with on the edge of protection network, every the tip of protective housing is laminated to the installation piece, and passes through bolted connection between every installation piece and the protective housing.
4. The automatic speed regulation fan based on load capacity in a load box of claim 3, wherein: the central position of protection network is fixed with the wind-break piece of round platform form, the great one end of wind-break piece area is fixed to on the protection network, and the less one end of area is just to the position of fan.
5. The automatic speed regulation fan based on load capacity in a load box of claim 4, wherein: and a through hole is formed in the central position of the wind blocking block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920844278.5U CN210218189U (en) | 2019-06-05 | 2019-06-05 | Automatic speed regulation fan based on load capacity in load box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920844278.5U CN210218189U (en) | 2019-06-05 | 2019-06-05 | Automatic speed regulation fan based on load capacity in load box |
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| CN210218189U true CN210218189U (en) | 2020-03-31 |
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| CN201920844278.5U Active CN210218189U (en) | 2019-06-05 | 2019-06-05 | Automatic speed regulation fan based on load capacity in load box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243698A (en) * | 2021-12-30 | 2022-03-25 | 武汉市整流器研究所 | Power consumption capacity adjusting device, system and method |
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2019
- 2019-06-05 CN CN201920844278.5U patent/CN210218189U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243698A (en) * | 2021-12-30 | 2022-03-25 | 武汉市整流器研究所 | Power consumption capacity adjusting device, system and method |
| CN114243698B (en) * | 2021-12-30 | 2024-05-07 | 武汉市整流器研究所 | Capacitance adjusting device, system and method |
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