CN214669148U

CN214669148U - Device for measuring positive and negative rotation of motor in large and medium-sized pump station

Info

Publication number: CN214669148U
Application number: CN202122457680.8U
Authority: CN
Inventors: 胡友森
Original assignee: Changyi Management Station Of Operation And Maintenance Center Of Shandong Water Transfer Project
Current assignee: Changyi Management Station Of Operation And Maintenance Center Of Shandong Water Transfer Project
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2021-11-09
Anticipated expiration: 2031-10-13

Abstract

The utility model relates to a technical field is measured to the motor just reversing, discloses a big-and-middle-sized pump station measures device that motor just reverses, including the motor shaft, motor shaft outer wall fixed mounting has infrared sensor, motor shaft outside fixed mounting has motor housing. The utility model discloses an at motor shaft outer wall fixed mounting have infrared sensor respectively with motor housing fixed mounting's first infrared receiver, second infrared receiver, third infrared receiver and fourth infrared receiver correspond to each other, and infrared sensor receives different signals in proper order, can open the electromagnetic switch of red light or green light respectively through the control treater, thereby open corresponding red light and green light, make the motor shaft judge at positive and negative process accessible red light and green light, make the more audio-visual judgement of operation.

Description

Device for measuring positive and negative rotation of motor in large and medium-sized pump station

Technical Field

The utility model relates to a technical field is measured to the motor just reversing, specifically is a device that big-and-middle-sized pump station measured motor just reversing.

Background

At present, with the construction of large-scale water transfer and drinking projects in China, large and medium-scale pump stations are gradually increased. The water diversion steel pipe of large and medium-sized pump package is thicker, the lift is great, if control breaks down in the pump starting, the pump stopping process, easily causes upstream water refluence impact water pump, causes the motor counter-rotation, and serious can cause the motor overspeed, fly away. At present, each pump station only judges the normal rotation direction of a pump set through a conventional control flow, and when a motor rotates reversely due to the failure of the pump station, a special device for directly measuring the forward and reverse rotation of the motor does not exist. In view of this, it is necessary to develop a device for measuring the positive and negative rotation of the motor in the large and medium-sized pump station.

The prior patent (publication No. CN 210323079U) discloses a device for measuring positive and negative rotation of a motor of a large and medium-sized pump station, which consists of a speed measuring fluted disc 1, a first pulse sensor 2, a second pulse sensor 3, an intelligent instrument 4, a signal cable 5, a sensor bracket 6, a first locking nut 7 and a second locking nut 8; the speed measuring fluted disc 1 is fixed on a main shaft between the pump and the motor and synchronously rotates along with the motor; the tooth height width and the tooth low width of the speed measuring fluted disc 1 are the same, and the tooth width is more than or equal to 30 mm; the first pulse sensor 2 and the second pulse sensor 3 are mounted on the sensor support 6 and are oppositely screwed and fixed through a first locking nut 7 and a second locking nut 8.

In implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: although the equipment that can install on the pump station unit of last patent is speed measuring fluted disc and first, second pulse sensor, because the fluted disc that tests the speed is all installed to current big-and-middle-sized pump station, newly-built and pump station unit of reforming transform needn't additionally increase the fluted disc that tests the speed to reduce project cost and the site operation degree of difficulty, nevertheless: 1. the equipment is external equipment, and the cylinder operating personnel is required to face the speed measuring fluted disc through the first pulse sensor 2 and the second pulse sensor 3 to detect when the measurement is required at each time, so that the equipment is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big-and-middle-sized pump station measures device that the motor is just reversing, has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device that big-and-middle-sized pump station measured motor is just reversing, includes the motor shaft, motor shaft outer wall fixed mounting has infrared sensor, motor shaft outside fixed mounting has motor housing, motor housing is positive right side, positive downside, positive left side and positive upside respectively fixed mounting have first infrared receiver, second infrared receiver, third infrared receiver and fourth infrared receiver, infrared sensor electric connection has red light and green light respectively, the equal electric connection of red light and green light has electromagnetic switch.

As a preferred embodiment of the present invention, the infrared sensor corresponds to the first infrared receiver, the second infrared receiver, the third infrared receiver, and the fourth infrared receiver, respectively.

As a preferred embodiment of the present invention, the infrared sensor is connected to the signal input terminal of the control processor and the signal output terminal of the infrared receiver.

As a preferred embodiment of the present invention, the signal output end of the control processor is connected to the signal input end of the electromagnetic switch respectively connected to the red light and the green light.

As a preferred embodiment of the present invention, the red light and the green light are fixedly mounted on the outer wall of the controller.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an at motor shaft outer wall fixed mounting have infrared sensor respectively with motor housing fixed mounting's first infrared receiver, second infrared receiver, third infrared receiver and fourth infrared receiver correspond to each other, and infrared sensor receives different signals in proper order, can open the electromagnetic switch of red light or green light respectively through the control treater, thereby open corresponding red light and green light, make the motor shaft judge at positive and negative process accessible red light and green light, make the more audio-visual judgement of operation.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of a device for measuring the positive and negative rotation of a motor in a large and medium-sized pump station according to the present invention;

fig. 2 is the utility model relates to a large and medium-sized pump station measures signal flow structure sketch map of device that motor is just reversing.

In the figure: 1. a motor shaft; 2. an infrared sensor; 3. a motor housing; 4. a first infrared receiver; 5. a second infrared receiver; 6. a third infrared receiver; 7. a fourth infrared receiver; 8. a red light; 9. a green light; 10. an electromagnetic switch.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a device that big-and-middle-sized pump station measured motor just reversing, includes

motor shaft

1, 1 outer wall fixed mounting of motor shaft has

infrared sensor

2, 1 outside fixed mounting of motor shaft has motor housing 3, fixed mounting has first infrared receiver 4, second infrared receiver 5, third infrared receiver 6 and fourth infrared receiver 7 respectively on motor housing 3 just right side, just downside, just left side and just upside respectively, infrared sensor 2 electric connection has red light 8 and green light 9 respectively, the equal electric connection of red light 8 and green light 9 has electromagnetic switch 10, through at 1 outer wall fixed mounting of motor shaft 1 infrared sensor 2 respectively with motor housing 3 fixed mounting's first infrared receiver 4, second infrared receiver 5, third infrared receiver 6 and fourth infrared receiver 7 mutually correspond, and infrared sensor 2 receives first infrared receiver 4 in proper order, When the signals of the second infrared receiver 5, the third infrared receiver 6 and the fourth infrared receiver 7 are received, the electromagnetic switch 10 for controlling the processor to turn on the red light can be used for turning on the red light, otherwise, when the infrared sensor 2 sequentially receives the signals of the fourth infrared receiver 7, the third infrared receiver 6, the second infrared receiver 5 and the first infrared receiver 4, the electromagnetic switch 10 for controlling the processor to turn on the green light 9 can be used for turning on the green light, so that the forward and reverse rotation processes of the motor shaft 1 can be judged through the red light 8 and the green light 9, and the operation can be judged more visually.

In this embodiment, the infrared sensor 2 corresponds to the first infrared receiver 4, the second infrared receiver 5, the third infrared receiver 6, and the fourth infrared receiver 7, respectively, so that the infrared sensor 2 can receive different signals.

In this embodiment, the signal output end of the infrared sensor 2, which is respectively connected to the infrared receiver, is connected to the signal input end of the control processor, and the signal of the infrared sensor 2 is determined by the control processor.

In this embodiment, the signal output end of the control processor is respectively connected with the signal input ends of the electromagnetic switches 10 electrically connected with the red light 8 and the green light 9, so as to control the electromagnetic switches of the red light 8 and the green light 9.

In this embodiment, red light 8 and green light 9 are all fixed mounting at the controller outer wall, and more audio-visual whether positive and negative rotation is up to the motor shaft.

When a big-and-middle-sized pump station measures device that motor just reverses, need explain, the utility model relates to a big-and-middle-sized pump station measures device that motor just reverses, each part is the parts that general standard spare or technical staff in the field know, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff.

When the motor is used, when the motor drives the motor shaft 1 to rotate, the infrared sensor 2 is fixedly arranged on the outer wall of the motor shaft 1 and respectively corresponds to the first infrared receiver 4, the second infrared receiver 5, the third infrared receiver 6 and the fourth infrared receiver 7 which are fixedly arranged on the motor shell 3, when the infrared sensor 2 sequentially receives signals of the first infrared receiver 4, the second infrared receiver 5, the third infrared receiver 6 and the fourth infrared receiver 7, the electromagnetic switch 10 of the red light can be turned on by controlling the processor to turn on the red light, otherwise, when the infrared sensor 2 sequentially receives signals of the fourth infrared receiver 7, the third infrared receiver 6, the second infrared receiver 5 and the first infrared receiver 4, the electromagnetic switch 10 of the green light 9 can be turned on by controlling the processor to turn on the green light, so that the forward and reverse rotation processes of the motor shaft 1 can be judged by the red light 8 and the green light 9, the operation is more intuitive and judged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a device that big-and-middle-sized pump station measured motor and just reversing, includes motor shaft (1), its characterized in that: the utility model discloses a motor, including motor shaft (1), motor shaft (1) outer wall fixed mounting have infrared sensor (2), motor shaft (1) outside fixed mounting has motor housing (3), motor housing (3) just right side, just downside, just left side and just upside respectively fixed mounting have first infrared receiver (4), second infrared receiver (5), third infrared receiver (6) and fourth infrared receiver (7), infrared sensor (2) electric connection has red light (8) and green lamp (9) respectively, red light (8) and the equal electric connection of green lamp (9) have electromagnetic switch (10).

2. The device for measuring the positive and negative rotation of the motor of the large and medium-sized pump station according to claim 1, is characterized in that: the infrared sensor (2) corresponds to the first infrared receiver (4), the second infrared receiver (5), the third infrared receiver (6) and the fourth infrared receiver (7) respectively.

3. The device for measuring the positive and negative rotation of the motor of the large and medium-sized pump station according to claim 1, is characterized in that: and the signal output end of the infrared sensor (2) which is respectively butted with the infrared receiver is connected with the signal input end of the control processor.

4. The device for measuring the positive and negative rotation of the motor of the large and medium-sized pump station according to claim 3, is characterized in that: and the signal output end of the control processor is respectively connected with the signal input ends of the electromagnetic switches (10) which are electrically connected with the red light (8) and the green light (9).

5. The device for measuring the positive and negative rotation of the motor of the large and medium-sized pump station according to claim 1, is characterized in that: and the red lamp (8) and the green lamp (9) are fixedly arranged on the outer wall of the controller.