Detection device convenient to overhaul and used for electric power measurement
By introducing a locking device and a few bolt holes into the standard power source testing device, the problem of needing to disassemble multiple screws in the prior art is solved, enabling convenient testing module maintenance and improving maintenance efficiency.
Patent Information
- Application Number
- CN202520147487.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-22
AI Technical Summary
The existing standard power source requires the removal of a large number of screws during maintenance, which makes maintenance inconvenient.
A testing device that is easy to maintain was designed. It adopts a locking device and a structure with a few bolt holes. Through the cooperation of the sliding plate and the locking plate, the sliding plate can be fixed and removed from the shell, which facilitates the disassembly and maintenance of the testing module.
It simplifies the maintenance process of standard power sources, reduces the number of screw removal steps, and improves the convenience and efficiency of maintenance.
Smart Images

Figure CN223857282U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of detection device of electric power measurement, specifically point to a kind of detection device of electric power measurement for easy overhaul. BACKGROUND
[0002] Electric power measurement product needs to be detected, needs to detect its precision, function and insulation detection and so on, when the precision of electric power measurement product is detected, using standard power source and other equipment, known standard electric quantity is input to electric power measurement equipment, then the error between the display value of metering equipment and standard value is compared.
[0003] Standard power source needs to be overhauled periodically, the power module, signal generator, control circuit and other components in its inside can be faulty after long-term operation, such as unstable power voltage, waveform distortion generated by signal generator, logic error of control circuit, etc., the standard power source in prior art has some deficiencies when being overhauled: since standard power source needs to be opened to overhaul inside, many screws need to be disassembled when opening standard power source, which is inconvenient for overhaul, therefore, improvement is needed. UTILITY MODEL CONTENTS
[0004] The technical problem to be solved by the utility model is that many screws need to be disassembled when opening standard power source, and detection module needs to be overhauled inside shell, which is very inconvenient.
[0005] In order to realize the above functions, the technical scheme adopted by the utility model is as follows: a detection device for electric power measurement for easy overhaul, including power source shell, the one end of power source shell is fixedly connected with power source panel, the other end of power source shell is equipped with open-close door, the open-close door is disassembled through bolt hole, the inside bottom end of power source shell is slidably equipped with sliding plate, the sliding plate is fixedly connected with power source detection module, the power source panel is equipped with wiring row and is connected with power source detection module, the inside bottom end of power source shell is equipped with locking device to lock and fix sliding plate, so that power source detection module can be taken out from power source shell for overhaul.
[0006] Further, the locking device includes a shell, the shell is fixed in the bottom wall of power source shell, the locking plate is slidably arranged in the shell, the lower end of the locking plate is provided with an end plate, the spring is fixedly connected in the inside of the shell, and the other end of the spring is fixedly connected with the end plate.
[0007] Further, the bottom wall of the power source shell is symmetrically provided with two groups of limiting grooves, and the two sides of the sliding plate are symmetrically provided with limiting strips matched with the limiting grooves.
[0008] Further, the locking plate is provided in a wedge-shaped plate structure.
[0009] Further, the slide plate is provided with a pull handle.
[0010] Further, the power source shell is symmetrically provided with a support column one, and the power source panel is symmetrically provided with a support column two, the end faces of the support column one and the support column two are flush, and the support column one and the support column two are made of silica gel.
[0011] The utility model discloses the beneficial effects achieved by the above structure are as follows:
[0012] 1. The utility model discloses a locking device is set up, when the slide plate is pushed into the power source shell, the locking plate can lock the direction of the slide plate, so that the slide plate is fixed in the power source shell, the locking plate can be pulled out from the power source shell, the power source detection module is convenient to overhaul outside, and it is very convenient, and a few bolt holes are arranged on the opening and closing door, so that the opening and closing door is convenient to open.
[0013] 2. The utility model discloses a wiring row, and the power source panel and the power source detection module can be connected and detached, and the power source detection module can detect the precision of the electric power metering equipment. DRAWINGS
[0014] Figure 1 The utility model discloses a kind of detection devices for the overall structure of electric power measurement convenient to overhaul Figure 1 ;
[0015] Figure 2 The utility model discloses a kind of detection devices for the overall structure of electric power measurement convenient to overhaul Figure 2 ;
[0016] Figure 3 It is the internal structure schematic view of a kind of detection devices for the utility model electric power measurement convenient to overhaul;
[0017] Figure 4 It is Figure 3 the internal structure diagram of locking device.
[0018] Wherein, 1, power source shell, 2, power source panel, 3, opening and closing door, 4, bolt hole, 5, slide plate, 6, power source detection module, 7, wiring row, 8, locking device, 9, shell, 10, locking plate, 11, end plate, 12, spring, 13, limit slot, 14, pull handle, 15, support column one, 16, support column two. DETAILED DESCRIPTION
[0019] The technical solutions of the utility model will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0020] In the description of the utility model, it should be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.
[0021] As Figures 1-4 , the utility model discloses a kind of detection devices for power measurement convenient to overhaul, including power source shell 1, one end of power source shell 1 is fixedly connected with power source panel 2, power source shell 1 is symmetrically equipped with support column one 15, power source panel 2 is symmetrically equipped with support column two 16, the end surface of support column one 15 and support column two 16 is flush and is made of silica gel material, can increase the friction between power source shell horizontal placement and desktop, it is more stable to use, the other end of power source shell 1 is equipped with open-close door 3, open-close door 3 is disassembled by bolt hole 4, the inside bottom of power source shell 1 is slidably equipped with slide 5, the bottom wall of power source shell 1 is symmetrically equipped with two groups of limiting grooves 13, the two sides of slide 5 are symmetrically equipped with the limiting strip matched with limiting groove 13, the setting of limiting groove 13 and limiting strip can avoid that slide 5 is upwardly moved in power source shell 1, slide 5 is equipped with pull handle 14, slide 5 is conveniently pulled, slide 5 is fixedly connected with power source detection module 6, power source panel 2 is equipped with wiring row 7 and is connected with power source detection module 6, the inside bottom of power source shell 1 is equipped with locking device 8 to lock and fix slide 5, and power source detection module 6 is conveniently extracted from power source shell 1 to overhaul.
[0022] As Figures 3-4 , locking device 8 includes shell 9, shell 9 is fixed in the bottom wall of power source shell 1, locking plate 10 is slidably equipped in shell 9, the lower end of locking plate 10 is equipped with end plate 11, locking plate 10 is wedge-shaped plate structure, spring 12 is fixedly connected in the inside of shell 9, the other end of spring 12 is fixedly connected with end plate 11, press locking plate 10 to shell 9, slide 5 is conveniently pulled out from power source shell 1, and power source detection module 6 is conveniently overhauled outside, and many screws do not need to be disassembled.
[0023] In particular use, through the wiring port on the power source panel 2 can be inserted into the relevant detection line, can be accurate to the power metering equipment, using standard power source and other equipment, to the power metering equipment input known standard power, and then compare the error between the display value and the standard value of the metering equipment. When detecting 0.5 level of electric energy meter, it is required that the error within the specified load range should be within ±0.5%.
[0024] With the increase of use time and the accumulation of use times, the electronic components inside the standard power source may age, drift and other phenomena, resulting in a decrease in the accuracy of the output power. For example, the resistance element may change due to long-term heating, and the capacitor element may have leakage problems, which will affect the accuracy of the output of the standard power source. Regular maintenance can timely find and correct these problems, and through calibration, adjustment or replacement of the aging components, ensure that the output power is within the specified accuracy range, so as to ensure the accuracy of the calibration of the power metering equipment.
[0025] When the power source detection module 6 needs to be maintained, the opening and closing door 3 is opened, and then the wiring row 7 on the power source panel 2 is pulled away from the power source detection module 6, the locking plate 10 is pressed downward, the locking plate 10 slides downward into the shell 9, and the pull handle 14 is pulled, so that the sliding plate 5 is pulled out of the power source shell 1, so that the power source detection module 6 can be maintained outside, which is very convenient. After the maintenance is completed, the sliding plate 5 is pushed into the power source shell 1 again, the locking plate 10 is locked in the opposite direction under the action of the spring 12, and the opening and closing door 3 is buckled on the power source shell 1, and the bolt is screwed into the bolt hole 4. The utility model and its implementation are described above, which is not restrictive. The drawings shown are only one of the embodiments of the utility model, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, without creative design, similar structure and embodiments of the technical scheme can be designed, which should belong to the protection scope of the utility model.
Claims
1. A detection device for power metering with convenient maintenance, comprising a power source shell (1), one end of the power source shell (1) is fixedly connected with a power source panel (2), characterized in that: Another end of the power source shell (1) is provided with an opening and closing door (3), the opening and closing door (3) is disassembled through the bolt hole (4), the inside bottom end of the power source shell (1) is slidably provided with a sliding plate (5), the sliding plate (5) is fixedly connected with a power source detection module (6), the power source panel (2) is provided with a wiring row (7) and is connected with the power source detection module (6), the inside bottom end of the power source shell (1) is provided with a locking device (8) to lock and fix the sliding plate (5) and facilitate the power source detection module (6) to be taken out from the power source shell (1) for maintenance.
2. The detection device for easy maintenance of electric power metering according to claim 1, characterized in that: The locking device (8) comprises a shell (9), the shell (9) is fixed in the bottom wall of the power source shell (1), the shell (9) is slidably provided with a locking plate (10), the lower end of the locking plate (10) is provided with an end plate (11), the inside of the shell (9) is fixedly connected with a spring (12), the other end of the spring (12) is fixedly connected with the end plate (11).
3. The detection device for easy maintenance of electric power metering according to claim 1, characterized in that: The bottom wall of the power source shell (1) is symmetrically provided with two groups of limiting grooves (13), the two sides of the sliding plate (5) are symmetrically provided with limiting strips matched with the limiting grooves (13).
4. The detection device for easy maintenance of electric power metering according to claim 2, characterized in that: The locking plate (10) is provided in a wedge-shaped plate structure.
5. The detection device for easy maintenance of electric power metering according to claim 1, characterized in that: The sliding plate (5) is provided with a pull handle (14).
6. The detection device for easy maintenance of power metering according to claim 1, characterized in that: The power source shell (1) is symmetrically provided with a support column one (15), the power source panel (2) is symmetrically provided with a support column two (16), the end faces of the support column one (15) and the support column two (16) are flush and are made of silica gel material.