CN219225064U - Electric energy metering device detector - Google Patents

Electric energy metering device detector Download PDF

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Publication number
CN219225064U
CN219225064U CN202223222026.XU CN202223222026U CN219225064U CN 219225064 U CN219225064 U CN 219225064U CN 202223222026 U CN202223222026 U CN 202223222026U CN 219225064 U CN219225064 U CN 219225064U
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China
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electric energy
base
metering device
energy metering
detector
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Active
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CN202223222026.XU
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Chinese (zh)
Inventor
张大维
尹渭
沈培刚
朱伟杰
贾慧
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State Grid Shanghai Electric Power Co Ltd
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State Grid Shanghai Electric Power Co Ltd
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Priority to CN202223222026.XU priority Critical patent/CN219225064U/en
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Abstract

The utility model provides an electric energy metering device detector, which belongs to the technical field of electric equipment and comprises a detector main body, wherein a display module is arranged on the detector main body, a processing module is arranged inside the detector main body, an illumination device is arranged on the detector main body, the detector main body is rotatably connected with a base, a rotating shaft is rotatably connected with the base, a winding disc and a ratchet wheel are fixedly sleeved on the rotating shaft, a wire is wound on the winding disc, a pressing column is slidably connected in the base, and the ratchet wheel is matched with the pressing column.

Description

Electric energy metering device detector
Technical Field
The utility model relates to the technical field of power equipment, in particular to an electric energy metering device detector.
Background
The electric energy metering device is a metering device for measuring and recording the generated energy, the power supply quantity, the station power consumption, the line loss power and the user power consumption. The electric energy metering device refers to a whole body formed by an electric energy meter, a metering transformer and a secondary connecting wire. When the electric energy metering device is installed and maintained in daily life, the electric energy metering device detector is required to detect components and parts in a loop of the electric energy metering device and wiring, particularly the polarity and transformation ratio of the transformer, so that the metering accuracy is ensured.
Through retrieving the discovery, it is disclosed an electric energy metering device detector among the prior art of CN211505859U to authorize, the device includes the detector body, the detector body rotates and is connected with the base, the base internal rotation is connected with the rolling dish, be equipped with the connecting wire around on the rolling dish, the one end and the detector body coupling of connecting wire, the other end of connecting wire is connected with connecting terminal, during the use, place this device on smooth subaerial, the angle of adjustment detector body, take out the connecting wire on the rolling dish, just can detect in the electric energy metering device return circuit that needs the test with connecting terminal, the device in use has following problems: the first winding disc and the second winding disc are provided with winding springs, when the connecting wire is pulled out of the first winding disc and the second winding disc, the winding springs generate tension due to deformation, the limiting mechanism is not arranged on the first winding disc, the winding discs can be driven to rotate under the action of the tension of the winding springs, and the detector of the electric energy metering device is unstable and influences detection; secondly, the power distribution cabinet or the power distribution room provided with the electric energy metering device is poor in light condition, and when the device is used for detection, a user also needs to use a flashlight and the like to assist in illumination, so that the device is inconvenient to use; thirdly, this device lacks effectual fixation means, needs to place in the flat place during the use, to the switch board or the ammeter case of mounting position comparison special or space comparison narrow and small, this device hardly places steadily.
Disclosure of Invention
In order to solve the problems in the prior art, an electric energy metering device detector is provided. The device is simple in operation and reasonable in structure, and can automatically limit the winding disc under the action of the ratchet wheel and the pressing column, so that the winding disc can be effectively prevented from rotating under the action of the winding spring, and smooth detection is ensured; meanwhile, the device is further provided with the lighting device, so that the lighting problems of the power distribution cabinet and the power distribution room with poor light conditions can be effectively solved, the device is very convenient to use, and finally, the device is fixedly connected with the strong magnetic sheet, and can be placed more stably under the adsorption action of the strong magnetic sheet, so that the smooth operation of the detection process is effectively ensured.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides an electric energy metering device detector, includes the detector main part, the detector main part lower extreme rotates and is connected with the base, the detector main part is including the processing module that is used for handling detection data for show detection data's display module, be provided with the collection module that is used for gathering detection data in the base cavity, collection module the display module respectively with the processing module electricity is connected, the inside rotation of base is connected with the vertical pivot of direction, the fixed cover of pivot is equipped with the reel, the reel is connected with and is used for restricting reel pivoted stop gear, the pivot still overlaps and is equipped with plane scroll spring, plane scroll spring one end with base inner wall connection, the plane scroll spring other end with the pivot is connected.
Preferably, the limiting mechanism comprises a ratchet wheel, the ratchet wheel is fixedly sleeved on the rotating shaft, a pressing column is slidably connected to the side wall of the base, the pressing column is located above the ratchet wheel, and the pressing column is matched with the ratchet wheel.
Preferably, a groove is formed in the side wall of the base, the pressing column is slidably arranged in the groove, and the upper end of the pressing column penetrates out of the groove upwards and is fixedly connected with a handle.
Preferably, the pressing column is sleeved with a spring, the spring is slidably arranged in the groove, the upper end of the spring is connected with the inner wall of the groove, and the lower end of the spring is connected with the pressing column.
Preferably, the rotating shaft is provided with a channel with vertical direction, the channel penetrates through the rotating shaft, the side wall of the rotating shaft is further provided with a through hole, and the through hole is communicated with the channel.
Preferably, the collecting module comprises a wire, the wire is wound on the winding disc, one end of the wire is arranged in the channel in a penetrating mode and is connected with the detector main body, and the other end of the wire is fixedly connected with the connecting terminal.
Preferably, the side wall of the base is provided with a storage groove adapted to the connection terminal, and in an initial state, the connection terminal is located in the storage groove.
Preferably, a baffle is also fixedly connected in the base chamber.
Preferably, the detector main body is fixedly connected with a lighting device.
Preferably, the top of the detector main body and the bottom of the base are respectively and fixedly connected with a plurality of groups of strong magnetic sheets.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model is provided with the rotating shaft, the rotating shaft is sleeved with the plane scroll spring, the rotating shaft is fixedly sleeved with the rolling disc and the ratchet wheel, the rolling disc is wound with the wire, the base is connected with the pressing column in a sliding manner, the ratchet wheel is matched with the pressing column, when the wire is pulled out, the distance of one ratchet wheel is pulled out, the elastic force of the spring sleeved on the pressing column needs to be overcome, so that the fine adjustment of the length of the wire can be realized, when the wire is stopped being pulled out, the ratchet wheel is matched with the pressing column to counteract the tensile force of the plane scroll spring, the rolling disc is fixed at the current position and does not rotate any more, and the exposed length of the wire is unchanged, so that the detection of the electric energy metering device can be completed better; and the pressing column is fixedly connected with a handle, when the wire is required to be withdrawn after measurement is completed, the handle is lifted, the pressing column is driven to move upwards by the handle, the limit on the ratchet wheel is removed, and the exposed wire can be automatically withdrawn under the action of the plane scroll spring, so that the wire drawing device is more convenient to use.
2. According to the utility model, the lighting device is fixedly connected to the detector main body, when the light condition of the detection site is bad, the user turns on the lighting device, and the current lighting condition can be effectively improved without using other lighting tools, so that the smooth proceeding of the detection process is facilitated.
3. In the utility model, the strong magnetic sheets are fixedly connected on the main body and the base, and play a role in adsorption and fixation, and in the detection process, a user can conveniently adsorb the device on a proper position on a power distribution cabinet or a power distribution cabinet shell through the strong magnetic sheets according to actual needs, so that the device is more firmly fixed, the user can conveniently read detection data displayed by the main body of the detector in the detection process, and the detection process is facilitated to be smoothly carried out.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a front view (initial state) of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the base (working state) of the present utility model;
FIG. 3 is an enlarged view of the portion A of FIG. 2;
figure 4 is a schematic view of the connection of the lighting device of the present utility model,
figure 5 is a schematic view of the connection of the base and the strong magnetic sheet according to the utility model,
fig. 6 is a cross-sectional view of the shaft structure of the present utility model.
Reference numerals illustrate:
1. a detector body; 2. a base; 3. a reel; 4, a ratchet wheel; 5. pressing the column; 6. a wire; 7. a connection terminal; 8. a strong magnetic sheet; 9. a lighting device; 10. a baffle; 11. a rotating shaft; 12. a channel; 13 through holes; 14 a storage groove; 15 springs; 16 grooves; 17. a handle; 18 plane spiral spring.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Example 1
As shown in fig. 1-6, the present embodiment provides an electric energy metering device detector, which includes a detector body 1, where the detector body 1 is used for detecting a loop where the electric energy metering device is located.
The inside fixedly connected with power supply of detector main part 1, in this embodiment, power supply is rechargeable battery, is provided with the interface that charges of looks adaptation on the lateral wall of detector main part 1, and the external charger of cooperation can charge for power supply.
The inside processing module that still fixedly connected with of detector main part 1, processing module and power supply electricity are connected, and in this embodiment, processing module is control circuit board.
The control circuit board is integrated with a signal generating circuit, a specific angle difference testing module and a microprocessor, and in the embodiment, the signal generating circuit is a sine wave signal generating circuit and can output sine wave, triangular wave and square wave signals with adjustable frequency. The signal generating circuit is powered by the power supply, the signal output end of the signal generating circuit is connected with the input end of the angle comparison testing module through wiring on the control circuit board, and the output end of the angle comparison testing module is connected with pins of the microprocessor through wiring on the control circuit board.
The microprocessor on the control circuit board is electrically connected with a display module, the display module is fixed on the side wall of the detector main body 1, and the display module is used for displaying the functional interface of the detector and related detection data in the detection process.
The microprocessor on the control circuit board is electrically connected with a key, the key is fixedly connected on the side wall of the detector main body 1, the key is positioned below the display screen, the matched key is used for setting parameters and functions of the detector, and the matched display module is used for completing man-machine interaction.
The detector main part 1 is inside still to be connected with near electric alarm, near electric alarm is connected with the microprocessor electricity, near electric alarm is used for distinguishing live wire and zero line, when near electric alarm is close to the live wire, near electric alarm can carry out audible and visual alarm, simultaneously through microprocessor control display screen demonstration live wire typeface, when near electric alarm is close to the zero line, near electric alarm does not report to the police to in detection process, make user can more accurate distinguish live wire and zero line, guarantee the power consumption safety of user's in-process of detecting.
The lower end of the detector main body 1 is rotationally connected with a base 2, a cavity is formed in the base 2, a baffle 10 which is vertically arranged is fixedly connected in the cavity of the base 2, and the baffle 10 equally divides the cavity into two subchambers which are not communicated with each other.
Each subchamber is rotatably connected with a group of rotating shafts 11 with vertical directions, bearings are sleeved at two ends of each rotating shaft 11 respectively, an outer ring of each bearing is fixedly connected with the inner wall of the base 2, an inner ring of each bearing is fixedly connected with the rotating shaft 11, and the rotating shafts can rotate on the base 2 under the action of the bearings.
It should be noted that, the rotating shaft 11 is provided with a vertical channel 12, the channel 12 penetrates the top wall of the base 2 upwards, the side wall of the rotating shaft 11 is provided with a through hole 13, the through hole 13 is located in the cavity of the base 2, and the through hole 13 is communicated with the channel 12.
The rolling disc 3 is fixedly sleeved on the rotating shaft 11, the ratchet wheel 4 is located above the rolling disc 3, the top wall of the base 2 is provided with a groove 16, the opening of the groove 16 is downward, the pressing column 5 with the vertical direction is connected in a sliding mode in the groove 16, the pressing column 5 is matched with the ratchet wheel 4, the lower end of the pressing column 5 is in contact with the ratchet wheel 4, and the function of fixing the ratchet wheel 4 is achieved.
The through hole is formed in the bottom of the groove 16, the upper end of the pressing column 5 upwards penetrates out of the through hole and is fixedly connected with a handle 17, the outer diameter of the handle 17 is larger than the aperture of the through hole, the through hole plays a role in supporting and limiting, the pressing column 5 can only slide in the vertical direction under the effect of the through hole, and in order to avoid the rotation of the pressing column 5, in the embodiment, the cross sections of the through hole and the pressing column 5 are square.
The pressing column 5 is sleeved with a spring 15, the spring 15 is slidably arranged in the groove 16, the upper end of the spring 15 is fixedly connected with the bottom of the groove 16, the lower end of the spring 15 is fixedly connected with the pressing column 5, and the spring 15 plays a role in driving the pressing column 5 to reset downwards.
The rotating shaft 11 is also sleeved with a plane scroll spring 18, the plane scroll spring 18 is positioned below the rolling disc 3, one end of the plane scroll spring 18 is fixedly connected with the inner part of the base 2, and the other end of the plane scroll spring is fixedly connected with the rotating shaft 11.
When the winding disc 3 rotates, the winding disc 3 rotates to drive the rotating shaft 11 to rotate, the rotating shaft 11 rotates to drive the ratchet wheel 4 to rotate, meanwhile, under the action of the rotating shaft 11, the plane scroll spring 18 deforms and generates elastic force, and when the winding disc 3 stops rotating, the winding disc 3 is fixed at the current position under the combined action of the ratchet wheel 4 and the pressing column 5.
When the user lifts the handle 17, the handle 17 drives the holding column 5 to move upwards, the fixing of the ratchet wheel 4 is released, and the winding disc 3 can rotate and reset towards the other direction under the action of the plane spiral spring 18.
The collection module is arranged in the cavity of the base 2 and is electrically connected with the processing module, the collection module comprises a wire 6, the wire 6 is wound on the winding disc 3, the upper end of the wire 6 penetrates into the channel 12 through the through hole 13 and extends upwards, the upper end of the wire 6 is fixedly connected with a plug, an adaptive jack is arranged on the detector main body 1 and is electrically connected with the processing module, and the plug is inserted into the jack to realize connection of the wire 6 and the processing module.
After the lower end of the wire 6 penetrates through the side wall of the base 2 outwards and is connected with the side wall in a sliding manner, the lower end of the wire 6 is fixedly connected with a connecting terminal 7, and in the embodiment, the connecting terminal 7 is an alligator clip.
Specifically, the plugs at the upper ends of one group of wires 6 are inserted into the jacks corresponding to the output ends of the signal generating circuits in the processing modules, and are used for inputting signals generated by the signal generating circuits into the loop to be tested, and the plugs at the upper ends of the other group of wires 6 are inserted into the jacks corresponding to the input ends of the specific angle difference testing modules in the processing modules, and are used for inputting signals in the loop to be tested into the specific angle difference testing modules.
The base 2 is also fixedly provided with a storage groove 14 adapted to the connecting terminal 7, the wire 6 is wound on the winding disc 3 in an initial state, the wire 6 is not connected with the detector main body 1, and the connecting terminal 7 is positioned in the storage groove 14.
The detector main body 1 is also fixedly connected with a lighting device 9, the lighting device 9 is electrically connected with a power supply, in this embodiment, the lighting device 9 is an LED lamp, and the lighting device 9 is located at the back of the detector main body 1. When the light condition of the detection site is bad, the user turns on the lighting device 9 through the key on the detector main body 1, and the current lighting condition can be effectively improved without using other lighting tools, so that the smooth proceeding of the detection process is facilitated.
The strong magnetic sheet 8 is fixed on the detector main body 1 and the base 2 respectively, the strong magnetic sheet 8 plays a role in adsorbing and fixing the detector, and in the embodiment, the strong magnetic sheet 8 is fixedly connected to the top of the detector main body 1 and the bottom of the base 2.
Under the adsorption of the strong magnetic sheet 8, in the detection process, a user can adsorb the equipment conveniently at a proper position on the power distribution cabinet or the power distribution box shell according to actual needs, so that the equipment is fixed more firmly, the user can read the detection data displayed by the main body of the detector in the detection process conveniently, and the detection process is facilitated to be carried out smoothly.
When the detector is used, the detector is adsorbed on a proper position on a power distribution cabinet or a power distribution box shell through the strong magnetic sheet 8, and the angle of the detector main body 1 is adjusted, so that the data on the display module can be conveniently observed and read in the subsequent detection process.
The wire 6 is pulled outwards, the wire 6 rotates to drive the rolling disc 3 to rotate, the rolling disc 3 rotates to drive the ratchet wheel 4 to rotate, meanwhile, the plane spiral spring is deformed to generate tension, after a proper length is pulled out, the wire 6 is stopped being pulled outwards, the rolling disc 3 is fixed at the current position and does not rotate reversely under the action of the ratchet wheel 4 and the holding column 5, and the exposed length of the wire 6 is not changed.
When the current loop is detected, the signal generating circuit generates 5V and frequency by key set
One path of generated sine wave signal is connected to one end of the secondary side of the current transformer of the loop to be tested, which is close to the electric energy meter, through a wire 6, and the other path of generated sine wave signal is input into a specific angle difference testing module, the primary side of the current transformer is connected with the input end of the specific angle difference testing module through the wire 6, and the testing data of the specific angle difference testing module are transmitted to a microprocessor and processed, and then the microprocessor displays the transformation ratio difference and the phase difference of the current transformer on a display module, so that the detection of the current loop is completed.
When the voltage loop is detected, the output end of the signal generating circuit is connected to the upper side of a high-voltage fuse of the voltage transformer of the loop to be detected through a lead 6, the input end of the specific angle difference testing module is connected with the end, close to the electric energy meter, of the secondary loop of the voltage transformer through another group of leads 6, testing data of the specific angle difference testing module are transmitted to the microprocessor and are processed, and the microprocessor displays the transformation ratio difference and the phase difference of the voltage transformer on the display module, so that the detection of the voltage loop is completed.
In the test process, the signal generating circuit generates a sine alternating voltage signal, the transformer induces voltage in the secondary through exciting current, and voltage ratio errors, namely transformation ratio error values of the transformer and phase differences of the transformer are calculated through the special specific angle difference test chip and the singlechip, so that the on-off and short circuit conditions of the primary circuit and the secondary circuit are deduced.
The specific working process is as follows:
as shown in fig. 1, in an initial state, the detector main body 1 is sequentially close to each section of wire of the loop to be detected, the zero line and the fire wire are accurately judged according to the near-electricity alarm, when the light is insufficient in the detection site, the lighting device 9 is started, so that the lighting condition is improved, finally, the device is adsorbed on a proper position on the power distribution cabinet or the power distribution cabinet shell through the strong magnetic sheet 8, the angle of the detector main body 1 is adjusted, the data displayed by the display module is conveniently read in the testing process, and after the preparation work is finished, the loop to be detected is powered down.
As shown in fig. 2, the wire 6 is pulled outwards, the wire 6 drives the winding disc 3 to rotate, the winding disc 3 rotates to drive the ratchet wheel 4 to rotate, and meanwhile, the plane spiral spring is deformed to generate tension, after a proper length is pulled out, the wire 6 is stopped being pulled outwards, the winding disc 3 is fixed at the current position and does not rotate reversely under the action of the ratchet wheel 4 and the holding column 5, the exposed length of the wire 6 is not changed any more, and then the wire 6 is connected into the detector main body 1, so that the setting work of the wire 6 is completed.
When detecting a current loop, the output end of the signal generating circuit is connected to one end, close to the electric energy meter, of the secondary side of the current transformer of the loop to be detected through a lead 6, the primary side of the current transformer is connected to the input end of the angle comparison testing module through the lead 6, testing data of the angle comparison testing module are transmitted to the microprocessor and are processed, and the microprocessor drives the display module to display testing results, so that the detection of the current loop is completed.
When the voltage loop is detected, the output end of the signal generating circuit is connected to the upper side of a high-voltage fuse wire of the voltage transformer of the loop to be detected through a lead 6, the input end of the angle comparison testing module is connected to the electric energy meter end of the secondary loop of the voltage transformer through another group of leads 6, the testing data of the angle comparison testing module are transmitted to the microprocessor and are processed, and the microprocessor drives the display module to display the testing result, so that the detection of the voltage loop is completed.
After the detection is completed, the connecting terminal 7 is taken down from the electric energy metering device loop, the connection between the lead 6 and the detector main body 1 is disconnected, as shown in fig. 3, the fixing of the ratchet wheel 4 is released by lifting the holding column 5 on the handle 17, and the winding disc 3 rotates and resets towards the other direction under the action of the plane spiral spring 18, so that the exposed part of the lead 6 automatically winds back onto the winding disc 3, and the retraction work of the lead 6 is completed.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides an electric energy metering device detector, includes detector main part (1), detector main part (1) lower extreme rotates and is connected with base (2), detector main part (1) are including the processing module that is used for handling detection data for show detection data's display module, be provided with in base (2) cavity and be used for gathering detection data's collection module, collection module display module respectively with the processing module electricity is connected, a serial communication port, base (2) inside rotation is connected with vertical pivot (11) of direction, pivot (11) fixed cover is equipped with rolling dish (3), rolling dish (3) are connected with and are used for restricting rolling dish (3) pivoted stop gear, pivot (11) still overlap and are equipped with plane scroll spring (18), plane scroll spring (18) one end with base (2) inner wall connection, plane scroll spring (18) other end with pivot (11) are connected.
2. The electric energy metering device detector according to claim 1, wherein the limiting mechanism comprises a ratchet wheel (4), the ratchet wheel (4) is fixedly sleeved on the rotating shaft (11), a pressing column (5) is slidably connected to the side wall of the base (2), the pressing column (5) is located above the ratchet wheel (4), and the pressing column (5) is matched with the ratchet wheel (4).
3. The electric energy metering device detector according to claim 2, wherein a groove (16) is formed in the side wall of the base (2), the pressing column (5) is slidably arranged in the groove (16), and the upper end of the pressing column (5) penetrates out of the groove (16) upwards and is fixedly connected with a handle (17).
4. An electric energy metering device detector according to claim 3, characterized in that the pressing column (5) is sleeved with a spring (15), the spring (15) is slidably arranged in the groove (16), the upper end of the spring (15) is connected with the inner wall of the groove (16), and the lower end of the spring (15) is connected with the pressing column (5).
5. The electric energy metering device detector according to claim 1, wherein the rotating shaft (11) is provided with a channel (12) with a vertical direction, the channel (12) penetrates through the rotating shaft (11), the side wall of the rotating shaft (11) is further provided with a through hole (13), and the through hole (13) is communicated with the channel (12).
6. The detector of an electric energy metering device according to claim 5, wherein the collection module comprises a wire (6), the wire (6) is wound on the winding disc (3), one end of the wire (6) is arranged in the channel (12) in a penetrating way and is connected with the detector main body (1), and the other end of the wire (6) is fixedly connected with a connecting terminal (7).
7. The electric energy metering device detector according to claim 6, wherein the side wall of the base (2) is provided with a receiving groove (14) adapted to the connecting terminal (7), and the connecting terminal (7) is located in the receiving groove (14) in an initial state.
8. The electric energy metering device detector according to claim 7, wherein a baffle (10) is also fixedly connected in the chamber of the base (2).
9. The electric energy metering device detector according to claim 1, wherein the detector body (1) is fixedly connected with an illumination device (9).
10. The electric energy metering device detector according to claim 1, wherein the top of the detector body (1) and the bottom of the base (2) are respectively and fixedly connected with a plurality of groups of strong magnetic sheets (8).
CN202223222026.XU 2022-12-02 2022-12-02 Electric energy metering device detector Active CN219225064U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223222026.XU CN219225064U (en) 2022-12-02 2022-12-02 Electric energy metering device detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223222026.XU CN219225064U (en) 2022-12-02 2022-12-02 Electric energy metering device detector

Publications (1)

Publication Number Publication Date
CN219225064U true CN219225064U (en) 2023-06-20

Family

ID=86740293

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223222026.XU Active CN219225064U (en) 2022-12-02 2022-12-02 Electric energy metering device detector

Country Status (1)

Country Link
CN (1) CN219225064U (en)

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