Temperature measurement system for electrical equipment of transformer substation

Abstract

The utility model relates to the technical field of temperature measurement monitoring, and discloses a transformer station electrical equipment temperature measurement system, a temperature measurement trolley comprises a base, a telescopic mechanical arm, an infrared temperature detector and a label reader-writer, the infrared temperature detector and the label reader-writer are arranged at the tail end joint of the mechanical arm, and a protective cover is arranged on the base. The protective cover comprises two shells and an opening and closing control mechanism for controlling the two shells to be opened and closed, the mechanical arm is arranged between the two shells, a horizontal rotating mechanism is arranged on a tail end joint of the mechanical arm, an infrared temperature detector and a label reader-writer are installed on the horizontal rotating mechanism, and the mechanical arm can stretch out of the protective cover when stretching. When the mechanical arm contracts, the whole mechanical arm can be contained in the protective cover, and a lifting mechanism for controlling the mechanical arm to ascend and descend is arranged in one shell. The position of the infrared temperature detector is adjusted through the posture change of the mechanical arm, the adjusting range is large, the testing accuracy is improved, and meanwhile when the detector lens is not used, the detector lens can be contained in the protective cover, and dust is prevented from being attached to the surface.

Description

TECHNICAL FIELD

[0001] The utility model relates to temperature measurement monitoring technical field, concretely relates to a transformer substation electrical equipment temperature measurement system. BACKGROUND

[0002] The transformer substation is the place that voltage and current are transformed, receive electric energy and distribute electric energy in the electric power system. The common electric power equipment in the transformer substation has transformer, mutual inductor, high voltage switch device and protection electric appliance etc. The temperature of electrical equipment will present abnormal change state and cause abnormality due to the aging or defect of equipment, so the temperature of electrical equipment needs to be monitored to ensure the safe operation of transformer substation equipment. At present, the infrared temperature detector is usually used to monitor the temperature of electrical equipment in transformer substation. For example, the patent announcement No. CN 205721867 U Chinese utility model patent discloses a kind of temperature measurement system of transformer substation equipment, including: electronic tag, which is marked with equipment information;Electronic tag is installed on transformer substation equipment;Temperature acquisition device, including walkable car body, car body is equipped with lifting device moving along vertical direction, lifting device is connected with infrared temperature detector reading equipment temperature information and tag reader-writer reading or writing equipment information of electronic tag by angle adjuster respectively;Monitoring device, including server and display screen connected to server;Server is respectively connected with electronic tag, car body, lifting device, angle adjuster, infrared temperature detector and tag reader-writer;Server receives equipment information and equipment temperature information respectively and processes, and exports equipment information and equipment temperature data to display screen display, which can realize real-time, automatic, multi-angle temperature acquisition by setting infrared temperature detector on car body and adjusting through lifting device and angle adjust device. For example, the patent announcement No. CN 112461377 A Chinese invention device discloses a kind of temperature measurement instrument of transformer substation, including base plate, electric lifting rod and electric box are arranged on base plate, electric lifting rod top is provided with horizontal adjustment mechanism, horizontal adjustment mechanism top is provided with elevation adjustment mechanism, elevation adjustment mechanism top is provided with thermal imaging temperature measurement camera, the device can realize multi-angle real-time temperature monitoring through electric lifting rod, horizontal adjustment mechanism and elevation adjustment mechanism. However, the existing lifting mechanism mainly lifts in vertical direction, and it is difficult to monitor the electrical equipment at higher or lower position closely, so the test distance of different positions is quite different, which will affect the accuracy of temperature measurement device detection data. At the same time, the lens of detector cannot be stored and protected when not in use, and dust may adhere to the surface for a long time. UTILITY MODEL CONTENT

[0003] The utility model aims at the above problems, provides a kind of transformer substation electrical equipment temperature measurement system, the position of infrared temperature detector is controlled by mechanical arm, adjustment range is big, it is easier to test closely, improve test accuracy, and infrared temperature detector can be stored in protective cover, avoid surface dust adhesion.

[0004] In order to achieve the above object, the utility model adopts the technical scheme as follows: A temperature measurement system for electrical equipment of a transformer substation, comprising a movable temperature measurement trolley, the temperature measurement trolley comprising a base, an extendable and retractable mechanical arm, and an infrared temperature detector and a tag reader arranged at the end joint of the mechanical arm, the base being provided with a protective cover, the protective cover comprising two housings that can move horizontally relative to each other to open or close, the base being provided with an opening and closing control mechanism for controlling the movement of the two housings towards or away from each other, the mechanical arm being arranged between the two housings, a horizontal rotation mechanism being arranged on the end joint of the mechanical arm, the infrared temperature detector and the tag reader being mounted on the horizontal rotation mechanism, the protective cover being able to extend outside when the mechanical arm extends, and the protective cover being able to be accommodated in the protective cover as a whole when the mechanical arm retracts, a lifting mechanism for controlling the lifting of the mechanical arm being arranged in one of the housings.

[0005] Further, the opening and closing control mechanism comprises a first screw rod with opposite screw directions at two ends and a first drive motor, the two housings being respectively and symmetrically screwed on the first screw rod, the two ends of the first screw rod being rotatably connected to the mounting seats on the left and right sides of the bottom of the base, the outer end of one of the mounting seats being provided with the first drive motor, the first drive motor being connected to the first screw rod through a shaft coupling, the bottom of each of the two housings being provided with a sliding block, and the top of the base being provided with a sliding rail that is slidably connected to the sliding blocks.

[0006] Further, the lifting mechanism comprises a second screw rod, a moving seat screwed on the second screw rod, and a second drive motor arranged at the top of the housing, the two ends of the second screw rod being rotatably connected to the upper and lower ends of the housing, the second drive motor being connected to the second screw rod through a shaft coupling, guide rods being arranged on the two sides of the second screw rod, guide sleeves being arranged on the guide rods, the guide sleeves being connected to the moving seat, an enclosing plate being arranged on the housing on the side where the mechanical arm is installed, and a vertical perforation being arranged on the enclosing plate for the moving seat to extend out.

[0007] Further, the mechanical arm comprises a first rotary joint arm, a second rotary joint arm, and an end rotary joint arm that are sequentially and hingedly arranged, the first rotary joint arm being hingedly mounted on the moving seat, and a rotary drive being arranged at each joint connection, and the end rotary joint arm being provided with the horizontal rotation mechanism on the top surface of the end portion.

[0008] Further, the length of the first rotary joint arm is 1 / 5-1 / 6 of the height of the protective cover, and the length of the second rotary joint arm is less than the length of the first rotary joint arm.

[0009] Due to the adoption of the above technical scheme, the utility model has the following beneficial effects:

[0010] The utility model discloses a posture change of mechanical arm adjusts infrared temperature detector position, and the adjustment range is big, and it is easier to test in close range, improves the testing accuracy, and the mechanical arm can contract and fold, when not using, the mechanical arm contracts and folds and can be together with infrared temperature detector accomodate the protective cover in, avoid the surface easy adhesion dust, play good protection function. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structure schematic diagram of a transformer substation electrical equipment temperature measurement system of the utility model;

[0012] Figure 2 It is a top view structure schematic diagram of a transformer substation electrical equipment temperature measurement system of the utility model;

[0013] Figure 3 It is a structure schematic diagram of A-A of the utility model's Figure 2

[0014] In the drawing: 1 - base, 2 - protective cover, 21 - sealing plate, 211 - vertical perforation, 3 - opening and closing control mechanism, 31 - first screw rod, 32 - first drive motor, 33 - sliding block, 34 - slide rail, 4 - lifting mechanism, 41 - second drive motor, 42 - second screw rod, 43 - guide rod, 44 - guide sleeve, 45 - moving seat, 5 - mechanical arm, 51 - first rotary joint arm, 52 - second rotary joint arm, 53 - end rotary joint arm, 54 - rotary driver, 6 - horizontal rotation mechanism, 7 - infrared temperature detector, 8 - tag reader and writer. DETAILED DESCRIPTION

[0015] In order to make the personnel in the technical field better understand the utility model scheme, below will combine the drawings in the embodiment of the utility model, and the technical scheme in the embodiment of the utility model is clearly and completely described. Unless otherwise defined, all technical and scientific terms used in the present document are the same as the meanings understood by the person belonging to the technical field of the utility model. The terms used in the specification of the utility model in the present document are only for the purpose of describing the specific embodiment, and are not intended to limit the utility model. The terms "first", "second" and the like in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish different objects, and are not used to describe a specific order. In addition, the terms "include" and "have" and their any modification are intended to cover the non-exclusive inclusion. For example, the process, method, system, product or equipment including a series of steps or units are not limited to the listed steps or units, but can optionally include the steps or units not listed, or can optionally include other steps or units inherent to these processes, methods, products or equipment.

[0016] ​Reference to "an embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. It is expressly understood that any of the embodiments described herein can be combined with any of the other embodiments unless specifically noted otherwise.

[0017] As shown in Figure 1 , Figure 2 A temperature measurement system for electrical equipment in a substation includes a movable temperature measurement trolley, the temperature measurement trolley includes a base 1, an extendable and retractable mechanical arm 5, and an infrared temperature detector 7 and a tag reader / writer 8 arranged at the end joint of the mechanical arm 5, the base 1 is provided with a protective cover 2, the protective cover 2 includes two housings that can move horizontally relative to each other to open or close, the base 1 is provided with an opening and closing control mechanism 3 that controls the movement of the two housings to move closer or further apart, the end joint of the mechanical arm 5 is provided with a horizontal rotation mechanism 6, the infrared temperature detector 7 and the tag reader / writer 8 are mounted on the horizontal rotation mechanism 6, when the mechanical arm 5 is extended, the protective cover 2 can be extended outside, when the mechanical arm 5 is retracted, the whole can be accommodated in the protective cover 2, and a lifting mechanism 4 for controlling the lifting of the mechanical arm 5 is arranged in one of the housings. The horizontal rotation mechanism 6 can be a rotating mechanism composed of a driving motor and a rotating disc, or it can be an existing mechanism.

[0018] The opening and closing control mechanism 3 includes a first screw rod 31 with opposite screw directions at both ends and a first driving motor 32, the two housings are symmetrically screwed on the first screw rod 31, the two ends of the first screw rod 31 are rotatably connected to the mounting seats on the left and right sides of the bottom of the base 1, the outer end of one of the mounting seats is provided with the first driving motor 32, the first driving motor 32 is connected to the first screw rod 31 through a shaft coupling, the bottom of each of the two housings is provided with a sliding block 33, and the top of the base 1 is provided with a sliding rail 34 that is slidingly connected with the sliding block 33. In use, the first driving motor 32 drives the first screw rod 31 to rotate, thereby driving the two housings to move closer or further apart, so that the two housings are opened or closed, when the two housings are opened, the position of the infrared temperature detector 7 and the tag reader / writer 8 can be adjusted through the extension of the mechanical arm 5, so as to realize temperature monitoring; when the mechanical arm 5 is retracted and folded, through the closing of the two housings, the mechanical arm 5 can be accommodated in the protective cover 2 together with the infrared temperature detector 7, so as to avoid the surface from easily adhering dust and play a good protection role.

[0019] As shown in Figure 3As shown, the lifting mechanism 4 comprises a second screw rod 42, a moving seat 45 screwed on the second screw rod 42, and a second driving motor 41 arranged at the top of the shell, both ends of the second screw rod 42 are rotationally connected with the upper and lower ends of the shell, the second driving motor 41 is connected with the second screw rod 42 through a shaft coupling, and guide rods 43 are arranged on both sides of the second screw rod 42, guide sleeves 44 are arranged on the guide rods 43, the guide sleeves 44 are connected with the moving seat, and a cover plate 21 is arranged on the shell on one side of the mechanical arm 5, and a vertical perforation 211 for the moving seat 45 to extend out is arranged on the cover plate 21. The second driving motor 41 drives the second screw rod 42 to rotate, so that the moving seat 45 moves up and down, thereby driving the mechanical arm 5 to move up and down as a whole, and the adjustment range is widened.

[0020] The mechanical arm 5 comprises a first rotary joint arm 51, a second rotary joint arm 52 and a terminal rotary joint arm 53 arranged in sequence, the first rotary joint arm 51 is hingedly arranged on the moving seat 45, and a rotary driver 54 is arranged at each joint connection, and a horizontal rotation mechanism 6 is arranged on the top surface of the terminal rotary joint arm 53. The rotary driver 54 can be a brushless motor. The length of the first rotary joint arm 51 is 1 / 5-1 / 6 of the height of the protective cover 2, and the length of the second rotary joint arm 52 is less than the length of the first rotary joint arm 51. This structure is conducive to good storage of the mechanical arm.

[0021] In use, the two shells are controlled to move away from each other by the opening and closing control mechanism 3, so that the two shells are opened, the posture of the mechanical arm 5 is adjusted by controlling the first rotary joint arm 51 of the mechanical arm 5 to rotate through the rotary driver 54, so that the detection position is adjusted, the detection pitch state is adjusted by controlling the terminal rotary joint arm 53 of the mechanical arm 5 to rotate, and the horizontal orientation is adjusted by the horizontal rotation mechanism 6, so that multi-angle temperature acquisition is realized. Since the position of the detector is adjusted by the mechanical arm 5, the position adjustment range is large, close-range testing is relatively easy, and testing accuracy is improved. When not in use, the mechanical arm 5 is folded, and then the two shells are controlled to move close to each other by the opening and closing control mechanism 3, so that the two shells are closed, and the mechanical arm and the detector are stored in the protective cover 2, so that dust is prevented from adhering to the surface, and good protection is achieved.

[0022] The above has made a detailed description of the present application, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the present application are within the protection scope of the present application.

Claims

1. A temperature measurement system for electrical equipment in a substation, comprising a movable temperature measurement trolley, characterized in that: The temperature measuring trolley comprises a base, an extendable and retractable mechanical arm, and an infrared temperature detector and a label reader and writer arranged at the end joint of the mechanical arm, the base is provided with a protective cover, the protective cover comprises two housings which can move horizontally relative to each other to open or close, the base is provided with an opening and closing control mechanism for controlling the movement of the two housings to approach or move away from each other, the mechanical arm is arranged between the two housings, a horizontal rotation mechanism is arranged on the end joint of the mechanical arm, and the infrared temperature detector and the label reader and writer are mounted on the horizontal rotation mechanism, when the mechanical arm extends, the protective cover can extend outside, when the mechanical arm retracts, the protective cover can be accommodated in the protective cover as a whole, and a lifting mechanism for controlling the lifting of the mechanical arm is arranged in one of the housings. 2.The substation electrical equipment temperature measurement system of claim 1, wherein: The opening and closing control mechanism comprises a first screw rod with opposite screw directions at two ends and a first driving motor, the two housings are symmetrically screwed on the first screw rod, the two ends of the first screw rod are rotationally connected with the mounting seats on the left and right sides of the bottom of the base, the outer end of one of the mounting seats is provided with the first driving motor, the first driving motor is connected with the first screw rod through a shaft coupling, the bottom of each of the two housings is provided with a sliding block, and the top of the base is provided with a sliding rail which is in sliding connection with the sliding blocks.

3. The temperature measurement system for electrical equipment in a substation of claim 1, wherein: The lifting mechanism comprises a second screw rod, a moving seat screwed on the second screw rod, and a second driving motor arranged at the top of the housing, the two ends of the second screw rod are rotationally connected with the upper and lower ends of the housing, the second driving motor is connected with the second screw rod through a shaft coupling, guide rods are arranged on the two sides of the second screw rod, guide sleeves are arranged on the guide rods, the moving seat is connected with the guide sleeves, an enclosing plate is arranged on the housing on the side where the mechanical arm is arranged, and a vertical perforation is arranged on the enclosing plate for the moving seat to extend out.

4. The substation electrical equipment temperature measurement system of claim 3, wherein: The mechanical arm comprises a first rotary joint arm, a second rotary joint arm, and an end rotary joint arm which are sequentially arranged, the first rotary joint arm is hingedly arranged on the moving seat, rotary drivers are arranged at the joint connections, and the horizontal rotation mechanism is arranged on the top surface of the end rotary joint arm.

5. The substation electrical equipment temperature measurement system of claim 4, wherein: The length of the first rotary joint arm is 1 / 5-1 / 6 of the height of the protective cover, and the length of the second rotary joint arm is less than the length of the first rotary joint arm.

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