CN216747882U - Portable protection clamp plate voltage measurement device - Google Patents
Portable protection clamp plate voltage measurement device Download PDFInfo
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- CN216747882U CN216747882U CN202123406092.8U CN202123406092U CN216747882U CN 216747882 U CN216747882 U CN 216747882U CN 202123406092 U CN202123406092 U CN 202123406092U CN 216747882 U CN216747882 U CN 216747882U
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Abstract
The utility model discloses a portable protective pressing plate voltage measuring device which comprises a shell, wherein the top of the shell is sequentially provided with a 50V port, a 150V port and a 250V port from left to right, an LCD display screen for displaying measured data is arranged on the front side of the shell, a plug-pull type pressing plate measuring module for detecting line data is arranged in the shell, a knob type pressing plate measuring module matched with the plug-pull type pressing plate measuring module for use is arranged beside the plug-pull type pressing plate measuring module, a power supply module for providing a power supply is arranged on the front side of the knob type pressing plate measuring module, and a voltage detecting module for detecting line voltage data is arranged above the power supply module. The utility model overcomes the problem of poor operability of the traditional pressure plate voltage measuring device in the prior art. The utility model has the advantages of good portability, high measurement accuracy, simple operation and the like.
Description
Technical Field
The utility model relates to the field of line detection mechanisms, in particular to a portable protection pressing plate voltage measuring device.
Background
In the switching operation process of equipment restoration, if a corresponding pressure plate needs to be put into service, the voltages at the two ends of the pressure plate must be measured first to prevent the occurrence of a false operation condition, and usually, a power transformation operation and maintenance worker uses a universal meter to carry out measurement work. However, during the measurement, there are three problems:
firstly, the universal meter is poor in portability. When the pressing plate part needing to be invested is at different places, for example: the universal meter is required to be carried along in the switching operation process of a control room, a 10kV switch room, a main transformer room and the like, and the universal meter is large in size, small in weight and inconvenient to carry.
And secondly, the risk of misoperation exists. Because the clamp plate both ends are direct current voltage, if can not adjust the measurement gear when using the universal meter, have the risk that causes the port short circuit or measure inaccurately. Or the measurement method is incorrect, so that the two measurement meter pens are easily directly short-circuited, and the risk of giving an opening and closing outlet instruction to the equipment is further caused.
And thirdly, the universal meter has poor operability. In the using process of the multimeter, one person needs to operate the measuring pen with two hands, and the other person reads the voltage value, so that a great deal of inconvenience exists.
Therefore, it is highly desirable to invent a novel pressing plate voltage measuring device which satisfies the requirements of portability, operational reliability and measurement accuracy.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem of poor operability of the traditional pressure plate voltage measuring device in the prior art, the utility model provides a portable protective pressure plate voltage measuring device which is convenient for a user to operate.
The utility model relates to a portable protective pressing plate voltage measuring device, which comprises a shell, wherein the top of the shell is sequentially provided with a 50V port, a 150V port and a 250V port from left to right, the front of the shell is provided with an LCD display screen for displaying measured data, a plug-pull type pressing plate measuring module for detecting line data is arranged in the shell, a knob type pressing plate measuring module matched with the plug-pull type pressing plate measuring module for use is arranged beside the plug-pull type pressing plate measuring module, the front side of the knob type pressing plate measuring module is provided with a power supply module for providing a power supply, a voltage detecting module for detecting line voltage data is arranged above the power supply module, the power output end of the power supply module is electrically connected with the power input end of the voltage detecting module, the signal output end of the voltage detecting module is electrically connected with the signal receiving end of the LCD display screen, the input end of the 50V port, the input end of the 150V port and the input end of the 250V port are respectively and electrically connected with the signal acquisition end of the voltage detection module.
Preferably, a plug connecting rod is arranged in the plug type pressing plate measuring module, a plug travel switch is mounted at the waist of the plug connecting rod, plug measuring pins are respectively inserted into the plug connecting rods positioned on the upper side and the lower side of the plug travel switch, and a plug extending hole for mounting the plug measuring pins is formed in the right end of the plug type pressing plate measuring module.
The top of the plug-in measuring pin of the plug-in type pressure plate measuring module is needle-shaped. When the device is used, the plug measuring pins are completely pushed out of the shell to be electrically connected with the contact part of the plug type pressing plate to be measured, and the plug travel switch on the plug connecting rod is connected with the voltage detection module, so that the measurement of the plug type pressing plate to be measured is realized.
Preferably, a knob connecting rod is arranged in the knob type pressing plate measuring module, a knob travel switch is installed at the waist of the knob connecting rod, knob measuring pins are respectively inserted and connected onto the knob connecting rods positioned on the upper side and the lower side of the knob travel switch, and a knob extending hole used for installing the knob measuring pins is formed in the right end of the knob type pressing plate measuring module.
The top of the knob measuring pin of the knob type pressing plate measuring module is in a circular segment shape. When the device is used, the knob measuring pin is completely pushed out of the shell to be electrically connected with the contact part of the knob type pressing plate to be measured, and the knob travel switch on the knob connecting rod is communicated with the voltage detection module, so that the measurement of the knob type pressing plate to be measured is realized.
The voltage detection module comprises a voltage detection chip U1, a resistor R0, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a capacitor C0 and a patch J1 which are used as a main body, one end of the resistor R1 is an inlet end, one end of the resistor R4 is an outlet end, the other end of the resistor R1 is electrically connected with an input end of a 50V port and one end of a resistor R2, the other end of the resistor R2 is electrically connected with an input end of a 150V port and one end of the resistor R3, the other end of the resistor R3 is electrically connected with an input end of a 250V port and the other end of the resistor R4, one end of the resistor R4 is electrically connected with a pin 2 of the voltage detection chip U1, one end of the resistor R0 and one end of a patch J1, the other end of the resistor R0 is electrically connected with one end of a capacitor C0 and a pin 1 of the voltage detection chip U1, and the other end of the capacitor C0 is electrically connected with a voltage detection chip 1, the LCD display screen comprises a 1 pin of the LCD display screen, a 2 pin of the LCD display screen, a 5 pin of a voltage detection chip U1, a 3 pin of the LCD display screen, a 6 pin of a voltage detection chip U1, a 4 pin of the LCD display screen, a 7 pin of a voltage detection chip U1, a 5 pin of the LCD display screen, an 8 pin of a voltage detection chip U1, a 6 pin of the LCD display screen, a 9 pin of a voltage detection chip U1, a 7 pin of the LCD display screen, a 10 pin of a voltage detection chip U1, an 8 pin of the LCD display screen, a 11 pin of the voltage detection chip U1, a 9 pin of the LCD display screen, a 12 pin of the voltage detection chip U1, and a 10 pin of the LCD display screen, a 13 pin of the voltage detection chip U1, the 11 pins of LCD display screen and 14 pin electric connection of voltage detection chip U1, the 12 pins of LCD display screen and 15 pin electric connection of voltage detection chip U1, the 13 pins of LCD display screen and 16 pin electric connection of voltage detection chip U1, the 14 pins of LCD display screen and 17 pin electric connection of voltage detection chip U1, the 15 pins of LCD display screen and 18 pin electric connection of voltage detection chip U1, the 16 pins of LCD display screen and 19 pin electric connection of voltage detection chip U1.
The model of the voltage detection chip U1 is ICL7106 to realize analog-to-digital conversion of the measured voltage.
And the LCD display screen is used for displaying the measured voltage values at the two ends of the pressing plate.
The utility model has the following beneficial effects:
1 portability. The shell has the advantages of small volume, light weight and convenience in carrying, great convenience can be provided for operation and maintenance personnel, and meanwhile, the working efficiency of the operation and maintenance personnel can be effectively improved.
2, accuracy. The platen voltage measurement loop is designed based on the ICL7106 chip, and has higher accuracy. Meanwhile, according to the actual requirement of the measured voltage, a proper measuring gear is designed, and the accuracy and the effectiveness of measurement can be effectively guaranteed.
3, reliability. Through with travel switch design on the connecting rod, can effectively guarantee that voltage measurement return circuit can just open after the measurement stitch is accomplished to release, avoid causing the device to need frequently to change the battery because of the human negligence, very big improvement the practicality and the reliability of device.
4 operability. The pressing plate voltage measuring device can finish the measuring task by a single person and a single hand of operation and maintenance personnel, and has remarkable advantages in operability.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of a positional relationship between the plug-in type pressing plate measuring module and the knob type pressing plate measuring module according to the present invention.
Fig. 3 is a schematic diagram of a position relationship between a power supply module and a voltage detection module according to the present invention.
Fig. 4 is a schematic structural diagram of the plug-in type pressure plate measuring module of the present invention.
Fig. 5 is a schematic structural view of a knob type pressure plate measuring module of the present invention.
Fig. 6 is a schematic circuit diagram of the voltage detection module of the present invention.
The device comprises a shell 1, a 50V port 2, a 150V port 3, an LCD display screen 4, a plug-pull type pressing plate measuring module 5, a knob type pressing plate measuring module 6, a power supply module 7, a voltage detection module 8, a plug-pull connecting rod 9, a plug-pull travel switch 10, a plug-pull measuring pin 11, a plug-pull extending hole 12, a knob connecting rod 13, a knob travel switch 14, a knob measuring pin 15, a knob extending hole 16 and a 250V port 17.
Detailed Description
The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.
Example (b): further explanation is made according to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the portable protective pressing plate voltage measuring device of this example comprises a casing 1, a 50V port 2, a 150V port 3 and a 250V port 17 are sequentially arranged on the top of the casing 1 from left to right, an LCD display screen 4 for displaying measured data is arranged on the front side of the casing 1, a plug-in type pressing plate measuring module 5 for detecting line data is arranged in the casing 1, a knob type pressing plate measuring module 6 used in cooperation with the plug-in type pressing plate measuring module 5 is arranged beside the plug-in type pressing plate measuring module 5, a power supply module 7 for providing a power supply is arranged on the front side of the knob type pressing plate measuring module 6, a voltage detection module 8 for detecting line voltage data is arranged above the power supply module 7, and a power output end of the power supply module 7 is electrically connected with a power input end of the voltage detection module 8, the signal output end of the voltage detection module 8 is electrically connected with the signal receiving end of the LCD display screen 4, and the input end of the 50V port 2, the input end of the 150V port 3 and the input end of the 250V port 17 are respectively electrically connected with the signal acquisition end of the voltage detection module 8.
The pluggable pressure plate measuring module 5 is internally provided with a pluggable connecting rod 9, the waist of the pluggable connecting rod 9 is provided with a pluggable travel switch 10, pluggable measuring pins 11 are respectively inserted into the pluggable connecting rod 9 positioned on the upper side and the lower side of the pluggable travel switch 10, and the right end of the pluggable pressure plate measuring module 5 is provided with a pluggable extending hole 12 for installing the pluggable measuring pins 11.
The knob type pressing plate measuring module 6 is internally provided with a knob connecting rod 13, the waist part of the knob connecting rod 13 is provided with a knob travel switch 14, the knob connecting rods 13 positioned on the upper side and the lower side of the knob travel switch 14 are respectively inserted with knob measuring pins 15, and the right end of the knob type pressing plate measuring module 6 is provided with a knob extending hole 16 for installing the knob measuring pins 15.
The voltage detection module 8 comprises a voltage detection chip U1, a resistor R0, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a capacitor C0 and an extension J1 which are used as main bodies, one end of the resistor R1 is an inlet end, one end of the resistor R4 is an outlet end, the other end of the resistor R1 is electrically connected with an input end of a 50V port 2 and one end of the resistor R2, the other end of the resistor R2 is electrically connected with an input end of a 150V port 3 and one end of a resistor R3, the other end of the resistor R3 is electrically connected with an input end of a 250V port 17 and the other end of a resistor R4, one end of the resistor R4 is respectively electrically connected with a pin 2 of the voltage detection chip U1, one end of the resistor R6 and one end of an extension J1, the other end of the resistor R0 is respectively electrically connected with one end of the capacitor C388 and a pin 5471 of the voltage detection chip U2, and the other end of the capacitor C6853 is electrically connected with a pin 1 of the voltage detection chip 4974, the LCD display screen comprises an LCD display screen 4, a voltage detection chip U1, a voltage detection chip U1, a voltage detection chip U1, a voltage detection chip U1, a voltage detection chip U1, a pin 1 of the LCD display screen 4, a pin 2 of the LCD display screen 4, a pin 5 of the LCD display screen 4, a pin 3 of the LCD display screen 4, a pin 6 of the voltage detection chip U1, a pin 4 of the LCD display screen 4, a pin 7 of the voltage detection chip U1, a pin 5 of the LCD display screen 4, a pin 8 of the voltage detection chip U1, a pin 6 of the LCD display screen 4, a pin 9 of the voltage detection chip U1, a pin 7 of the LCD display screen 4, a pin 10 of the voltage detection chip U1, a pin 8 of the LCD display screen 4, a pin 11 of the voltage detection chip U1, a pin 9 of the LCD display screen 4, a pin 12 of the voltage detection chip U1, the utility model discloses a voltage detection device, including LCD display screen 4, voltage detection chip U1, 11 pins and voltage detection chip U1's 13 pin electric connection of LCD display screen 4, 11 pins and voltage detection chip U1's 14 pin electric connection of LCD display screen 4, 12 pins and voltage detection chip U1's 15 pin electric connection of LCD display screen 4, 13 pins and voltage detection chip U1's 16 pin electric connection of LCD display screen 4, 14 pins and voltage detection chip U1's 17 pin electric connection of LCD display screen 4, 15 pins and voltage detection chip U1's 18 pin electric connection of LCD display screen 4, 16 pins and voltage detection chip U1's 19 pin electric connection of LCD display screen 4.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (4)
1. The utility model provides a portable protection clamp plate voltage measurement device, includes casing (1), casing (1) top turn right from a left side and be equipped with 50V port (2), 150V port (3) and 250V port (17) respectively in proper order, characterized by, casing (1) openly be equipped with LCD display screen (4) that are used for showing measured data, casing (1) in be equipped with plug type clamp plate measuring module (5) that are used for detecting line data, plug type clamp plate measuring module (5) other be equipped with the knob type clamp plate measuring module (6) that plug type clamp plate measuring module (5) cooperation was used, knob type clamp plate measuring module (6) front side be equipped with power module (7) that are used for providing the power, the top of power module (7) be equipped with voltage detection module (8) that are used for detecting line voltage data, power module's (7) power output end and voltage detection module (8) power input end electric terminal of power module (7) The signal output end of the voltage detection module (8) is electrically connected with the signal receiving end of the LCD display screen (4), and the input end of the 50V port (2), the input end of the 150V port (3) and the input end of the 250V port (17) are respectively electrically connected with the signal acquisition end of the voltage detection module (8).
2. The portable voltage measuring device for the protective pressing plate according to claim 1, wherein a plug connecting rod (9) is arranged in the plug pressing plate measuring module (5), a plug travel switch (10) is arranged at the waist of the plug connecting rod (9), plug measuring pins (11) are respectively inserted into the plug connecting rod (9) positioned at the upper side and the lower side of the plug travel switch (10), and a plug extending hole (12) for installing the plug measuring pins (11) is formed at the right end of the plug pressing plate measuring module (5).
3. The portable voltage measuring device with the protective pressing plate as claimed in claim 1, wherein a knob connecting rod (13) is arranged in the knob type pressing plate measuring module (6), a knob travel switch (14) is arranged at the waist of the knob connecting rod (13), knob measuring pins (15) are respectively inserted into the knob connecting rod (13) positioned on the upper side and the lower side of the knob travel switch (14), and a knob extending hole (16) for installing the knob measuring pins (15) is formed at the right end of the knob type pressing plate measuring module (6).
4. The portable voltage measurement device of claim 1, wherein the voltage detection module (8) comprises a voltage detection chip U1, a resistor R0, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a capacitor C0 and a socket J1 as a main body, one end of the resistor R1 is an inlet end, one end of the resistor R4 is an outlet end, the other end of the resistor R1 is electrically connected with an input end of a 50V port (2) and one end of a resistor R2, the other end of the resistor R2 is electrically connected with an input end of a 150V port (3) and one end of a resistor R3, the other end of the resistor R3 is electrically connected with an input end of a 250V port (17) and the other end of a resistor R4, one end of the resistor R4 is electrically connected with a pin 2 of the voltage detection chip U1, one end of the resistor R0 and one end of the socket J1, the other end of the resistor R0 is respectively electrically connected with one end of a capacitor C0 and a pin 1 of a voltage detection chip U1, the other end of the capacitor C0 is electrically connected with a pin 3 of the voltage detection chip U1, a pin 1 of the LCD display screen (4) is electrically connected with a pin 4 of a voltage detection chip U1, a pin 2 of the LCD display screen (4) is electrically connected with a pin 5 of the voltage detection chip U1, a pin 3 of the LCD display screen (4) is electrically connected with a pin 6 of the voltage detection chip U1, a pin 4 of the LCD display screen (4) is electrically connected with a pin 7 of the voltage detection chip U1, a pin 5 of the LCD display screen (4) is electrically connected with a pin 8 of the voltage detection chip U1, a pin 6 of the LCD display screen (4) is electrically connected with a pin 9 of the voltage detection chip U1, a pin 7 of the LCD display screen (4) is electrically connected with a pin 10 of the voltage detection chip U1, the 8 pins of the LCD display screen (4) are electrically connected with the 11 pins of the voltage detection chip U1, the 9 pins of the LCD display screen (4) are electrically connected with the 12 pins of the voltage detection chip U1, the 10 pins of the LCD display screen (4) are electrically connected with the 13 pins of the voltage detection chip U1, the 11 pins of the LCD display screen (4) are electrically connected with the 14 pins of the voltage detection chip U1, the 12 pins of the LCD display screen (4) are electrically connected with the 15 pins of the voltage detection chip U1, the 13 pins of the LCD display screen (4) are electrically connected with the 16 pins of the voltage detection chip U1, the 14 pins of the LCD display screen (4) are electrically connected with the 17 pins of the voltage detection chip U1, the 15 pins of the LCD display screen (4) are electrically connected with the 18 pins of the voltage detection chip U1, and the 16 pins of the LCD display screen (4) are electrically connected with the 19 pins of the voltage detection chip U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123406092.8U CN216747882U (en) | 2021-12-31 | 2021-12-31 | Portable protection clamp plate voltage measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123406092.8U CN216747882U (en) | 2021-12-31 | 2021-12-31 | Portable protection clamp plate voltage measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216747882U true CN216747882U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123406092.8U Active CN216747882U (en) | 2021-12-31 | 2021-12-31 | Portable protection clamp plate voltage measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216747882U (en) |
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2021
- 2021-12-31 CN CN202123406092.8U patent/CN216747882U/en active Active
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