CN215498238U - Circuit protection system and smart jack - Google Patents
Circuit protection system and smart jack Download PDFInfo
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- CN215498238U CN215498238U CN202121617111.9U CN202121617111U CN215498238U CN 215498238 U CN215498238 U CN 215498238U CN 202121617111 U CN202121617111 U CN 202121617111U CN 215498238 U CN215498238 U CN 215498238U
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- 238000005259 measurement Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 abstract description 13
- 238000013461 design Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a circuit protection system and an intelligent socket, and relates to the technical field of protection circuits and intelligent sockets. This circuit protection system and smart jack adopt voltage protection, measurement and operation circuit's design, can directly demonstrate that whether overhauls supply socket electrified to directly show measured voltage on the display, need not to shout loudly the opposite side personnel and judge whether the power panel has the electricity. When the voltage fluctuation exceeds minus 10%, the voltage is too low, the buzzer gives an alarm, the problem that the voltage of a connected power supply cannot meet the voltage requirement for starting the test equipment is solved, and when the voltage fluctuation exceeds plus 7%, the overvoltage relay acts to disconnect a live wire, so that the problem that the test instrument is damaged due to overlarge voltage value fluctuation is solved. The problem that the power panel of direct connection can not be used immediately is solved in cooperation with the wiring clip.
Description
Technical Field
The utility model relates to the technical field of protection circuits and intelligent sockets, in particular to a circuit protection system and an intelligent socket.
Background
During an electrical test, when a power supply is connected, the number of the power panel from a maintenance power box is few, the number of the power panel from the maintenance power box is dozens of meters, even hundreds of meters, a person who connects the test power supply sometimes cannot visually judge whether a maintenance power socket is electrified, and another person who needs to shout needs to judge whether the power panel is electrified or not by observing the brightness of an electrified indicating lamp of the power panel. When the voltage fluctuation exceeds minus 10%, the voltage is too low, the buzzer gives an alarm, the problem that the voltage of a connected power supply cannot meet the voltage requirement for starting the test equipment is solved, and when the voltage fluctuation exceeds plus 7%, the overvoltage relay acts to disconnect a live wire, so that the problem that the test instrument is damaged due to overlarge voltage value fluctuation is solved. The power panel with direct wiring can be matched with the wiring clip to realize plug and play.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a circuit protection system and an intelligent socket, and solves the problem that the voltage of a connected power supply cannot meet the voltage requirement of starting test equipment.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a circuit protection system, includes voltage protection, measurement and arithmetic circuit, voltage protection, measurement and arithmetic circuit include overvoltage relay, AC-AD conversion module, AD converter, buzzing alarm circuit module, singlechip arithmetic unit and power, overvoltage relay and AC-AD conversion module electric connection, AC-AD conversion module and AD converter electric connection, AD converter and buzzing alarm circuit module electric connection, AD converter and singlechip arithmetic unit electric connection, singlechip arithmetic unit respectively with overvoltage relay, buzzing alarm circuit module electric connection, power and AD converter electric connection.
Preferably, the intelligent control system comprises a display, and the display is electrically connected with the singlechip arithmetic unit.
Preferably, the A/D converter is model TC 7106.
Preferably, the power supply is 6F 22.
The utility model provides an intelligent socket, includes shell, three hole sockets, earth connection binding post E, zero line binding post N, live wire binding post L, be provided with voltage protection, measurement and arithmetic circuit in the shell, the shell openly inlays and has the display, the shell openly is provided with three hole sockets, hole on the three hole sockets respectively with earth connection binding post E, zero line binding post N, live wire binding post L electric connection, earth connection binding post E, zero line binding post N, live wire binding post L run through the back of shell, zero line binding post N and earth connection binding post E establish ties the back and voltage protection, measure and arithmetic circuit's N end electric connection, live wire binding post L and voltage protection, measure and arithmetic circuit's L end electric connection.
Preferably, the protection circuit comprises a switch button S, the switch button S is arranged on the side face of the shell, and the switch button S is electrically connected with the voltage protection, measurement and operation circuit.
(III) advantageous effects
The utility model provides a circuit protection system and an intelligent socket. The method has the following beneficial effects:
this circuit protection system and smart jack adopt voltage protection, measurement and operation circuit's design, can directly demonstrate that whether overhauls supply socket electrified to directly show measured voltage on the display, need not to shout loudly the opposite side personnel and judge whether the power panel has the electricity. When the voltage fluctuation exceeds minus 10%, the voltage is too low, the buzzer gives an alarm, the problem that the voltage of a connected power supply cannot meet the voltage requirement for starting the test equipment is solved, and when the voltage fluctuation exceeds plus 7%, the overvoltage relay acts to disconnect a live wire, so that the problem that the test instrument is damaged due to overlarge voltage value fluctuation is solved. The problem that the power panel of direct connection can not be used immediately is solved in cooperation with the wiring clip.
Drawings
FIG. 1 is a schematic diagram of a circuit protection system;
FIG. 2 is a schematic diagram of an A/D conversion circuit;
FIG. 3 is a schematic diagram of a buzzer alarm circuit;
fig. 4 is an external view of the smart socket;
fig. 5 is a schematic diagram of an internal structure of the smart socket;
fig. 6 is a right side view of the smart socket.
In the figure: 1. a housing; 3. a display; 4. a switch button S; 5. a three-hole receptacle; 6. a voltage protection, measurement and arithmetic circuit; 7. a grounding wire connecting terminal E; 8. a zero line terminal N; 9. live wire binding post L.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: the most basic unit for realizing the functions of the utility model
Referring to fig. 1, a circuit protection system comprises a voltage protection, measurement and operation circuit 6, wherein the voltage protection, measurement and operation circuit 6 comprises an overvoltage relay, an AC-AD conversion module, an a/D converter, a buzzer alarm circuit module, a single chip microcomputer operation unit and a power supply, the overvoltage relay is electrically connected with the AC-AD conversion module, the AC-AD conversion module is electrically connected with the a/D converter, the a/D converter is electrically connected with the buzzer alarm circuit module, the a/D converter is electrically connected with the single chip microcomputer operation unit, the single chip microcomputer operation unit is respectively electrically connected with the overvoltage relay and the buzzer alarm circuit module, the power supply is electrically connected with the a/D converter, the type of the a/D converter is TC7106, and the type of the power supply is 6F 22.
The specific circuit connection mode of the A/D converter and the buzzer alarm circuit module is shown in figures 2 and 3:
in fig. 2, one end of the normally closed contact KA is connected with the live wire L, and the other end of the normally closed contact KA is connected with the first diode D1One end of an overvoltage relay KV used together with the normally closed contact KA is connected with the anode of the 6F22 type battery, the other end of the overvoltage relay KV is connected with one end of a switch S, and the other end of the switch S is connected with the cathode of the 6F22 type battery. The cathode of the first diode is connected with a first resistor R1One terminal of (1), a first resistor R1The other end of the resistor is connected with a third resistor R3One terminal of (1), a third resistor R3The other end of the first resistor is connected with a second resistor R2And a fourth resistor R4One terminal of (1), a fourth resistor R4The other end of the second resistor R is connected with a zero line N and grounded2To the other end of the chip TC7106 pin 31IN+And a first capacitor C1One terminal of (1), a first capacitor C1To the other end of the chip TC7106 pin 30IN-32COM, zero line N and ground, 6F22 type battery anode connected with chip TC7106 pin 1V+And a fifth resistor R5One end of the switch S is connected with the negative pole of the 6F22 type battery, and the other end of the switch S is connected with the pin 26V of the TC7106 chip-Fifth resistor R5The other end of the resistor is connected with a sixth resistor R6One end of (1), a sixth resistor R6The other end of the chip TC7106 pin 36VREF+And a seventh resistor R7One end of (1), a seventh resistor R7The other end of the variable resistor RP is connected with one end of a variable resistor RP, and the other end of the variable resistor RP is connected with an eighth resistor R8Is connected to ground, an eighth resistor R8The other end of the chip TC7106 pin 35VREF-(ii) a Second capacitor C2Is connected with a terminal of the chip TC7106 pin 33CREF-A second capacitor C2Another end of the chip TC7106 pin 34CREF+(ii) a One end of the single chip microcomputer is connected with pins 2-25 of the chip TC7106, and the other end of the single chip microcomputer is connected with a display; third capacitor C3Is connected with a pin 27INT of the chip TC7106 and a third capacitor C3The other end of the resistor is connected with a ninth resistor R9And a fourth capacitance C4To one end of, a ninth resistor R9The other end of the second capacitor is connected with a pin 28BUF of the TC7106 chip and a fourth capacitor C4Another terminal of chip TC7106 pin 29CA2(ii) a Fifth capacitor C5One-terminal chip TC7106 pin 38OSC3Fifth capacitor C5The other end is connected with a tenth resistor R10And chip TC7106 pin 40OSC1The tenth resistor R10The other end of the chip TC7106 pin 39OSC2。
In FIG. 3, an eleventh resistor R11One end is connected with chip TC7106 pin 1V+Eleventh resistor R11The other end is connected with a second diode D2And a third diode D3Cathode of (2), third diode D3Is grounded, and a second diode D2The cathode of the resistor is connected with a twelfth resistor R12One end of (1), a twelfth resistor R12Another end of the second resistor is connected with a live wire L and a thirteenth resistor R13And a fourteenth resistance R14One end of (1), a thirteenth resistance R13The other end of the resistor is connected with the non-inverting input end of the LM324A, and a fourteenth resistor R14Another end of the resistor is connected with a seventeenth resistor R17And an eighteenth resistor R18One end of (1), a fifteenth resistor R15Is connected with the inverting input terminal of the LM324A and the sixteenth resistor R16One end of (1), a fifteenth resistor R15Is connected to a sixth capacitor C6One end of the resistor is connected with an eighteenth resistor R18The other end of the first capacitor is connected with a seventh capacitor C7Is connected toTwenty-first resistor R21One end of (D), a light emitting diode (D)5Is grounded, a sixteenth resistor R16The other end of the chip TC7106 pin 1V+Seventeenth resistor R17To the other end of the chip TC7106 pin 31IN+And a sixth capacitance C6The other end of the second diode (D), the output end of the LM324A is connected with the fourth diode (D)4Anode of (2), fourth diode D4The cathode of the resistor is connected with a nineteenth resistor R19One terminal of (1), the inverting input terminal of the LM324 and the seventh capacitor C7The other end of (1), a nineteenth resistor R19The other end of the resistor (R) is connected with the output end of the LM324 and a twentieth resistor R20One end of (1), a twenty-second resistor R22One end of the resistor (3) and one end of the BUZZER, and the non-inverting input end of the LM324 is connected with the twentieth resistor R20And a twenty-first resistance R21The other end of the BUZZER is connected with a 26V pin of a TC7106 chip-Twenty-second resistor R22The other end of the LED D is connected with5Positive electrode of (2)
Example 2: augmenting visualization modules
Comprises a display 3, and the display 3 is electrically connected with the singlechip arithmetic unit.
Example 3: intelligent plug with circuit protection system
As shown in fig. 4-6, an intelligent socket comprises a shell 1, a three-hole socket 5, a grounding wire connecting terminal E7, a zero wire connecting terminal N8 and a live wire connecting terminal L9, wherein the shell 1 is internally provided with the circuit protection system, the shell 1 is embedded with a display 3 on the front surface, the shell 1 is provided with the three-hole socket 5 on the front surface, holes in the three-hole socket 5 are respectively electrically connected with the grounding wire connecting terminal E7, the zero wire connecting terminal N8 and the live wire connecting terminal L9, the grounding wire connecting terminal E7, the zero wire connecting terminal N8 and the live wire connecting terminal L9 penetrate through the back surface of the shell 1, the zero wire connecting terminal N8 is electrically connected with the N end of the voltage protection and measurement and operation circuit 6 after being connected in series with the grounding wire connecting terminal E7, and the live wire connecting terminal L9 is electrically connected with the L end of the voltage protection and measurement and operation circuit 6.
Example 4: in order to improve the operability of the intelligent socket
The voltage protection, measurement and operation circuit comprises a switch button S4, a switch button S4 is arranged on the side face of the shell 1, and a switch button S4 is electrically connected with the voltage protection, measurement and operation circuit 6.
Procedure for use of example 4:
the method comprises the following steps: checking whether the switch button S4 is in the "OFF" position;
step two: integrally inserting the intelligent plug on a test power supply;
step three: pressing the switch button S4 to the "ON" position;
step four: and judging whether the voltage of the test power supply is normal or not according to the indication of the display 3 and whether the buzzer alarm circuit module gives an alarm or not.
Comparative example 1: adopts a common plug to be inserted into a socket in the maintenance power box
The following table shows the comparison in measurement of each example and comparative example
| Item | Determining the charged condition | Display voltage | Protective function | Buzzing alarm |
| Example 1 | Can be used for | Is provided with | Is provided with | Is provided with |
| Comparative example 1 | Can not | Is free of | Is free of | Is free of |
To sum up, this circuit protection system and smart jack adopt voltage protection, measurement and operation circuit's design, can directly identify to overhaul supply socket whether electrified to with measured voltage direct display on the display, need not to shout another side personnel and judge whether electrified of power strip. When the voltage fluctuation exceeds minus 10%, the voltage is too low, the buzzer gives an alarm, the problem that the voltage of a connected power supply cannot meet the voltage requirement for starting the test equipment is solved, and when the voltage fluctuation exceeds plus 7%, the overvoltage relay acts to disconnect a live wire, so that the problem that the test instrument is damaged due to overlarge voltage value fluctuation is solved. The problem that the power panel of direct connection can not be used immediately is solved in cooperation with the wiring clip.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A circuit protection system comprising a voltage protection, measurement and arithmetic circuit (6), characterized in that: the voltage protection, measurement and operation circuit (6) comprises an overvoltage relay, an AC-AD conversion module, an A/D converter, a buzzing alarm circuit module, a single-chip microcomputer operation unit and a power supply, the overvoltage relay is electrically connected with the AC-AD conversion module, the AC-AD conversion module is electrically connected with the A/D converter, the A/D converter is electrically connected with the buzzing alarm circuit module, the A/D converter is electrically connected with the single-chip microcomputer operation unit, the single-chip microcomputer operation unit is respectively electrically connected with the overvoltage relay and the buzzing alarm circuit module, and the power supply is electrically connected with the A/D converter.
2. A circuit protection system according to claim 1, wherein: the display device comprises a display (3), wherein the display (3) is electrically connected with a singlechip arithmetic unit.
3. A circuit protection system according to claim 2, wherein: the model of the A/D converter is TC 7106.
4. A circuit protection system according to claim 3, wherein: the power supply is of type 6F 22.
5. The utility model provides an intelligent socket, includes shell (1), three hole sockets (5), earth connection binding post E (7), zero line binding post N (8), live wire binding post L (9), its characterized in that: set up circuit protection system as claimed in claim 2 in shell (1), shell (1) openly inlays and has display (3), shell (1) openly is provided with three hole sockets (5), hole on three hole sockets (5) respectively with earth connection binding post E (7), zero line binding post N (8), live wire binding post L (9) electric connection, earth connection binding post E (7), zero line binding post N (8), live wire binding post L (9) run through the back of shell (1), zero line binding post N (8) and earth connection binding post E (7) establish ties the back and the N end electric connection of voltage protection, measurement and arithmetic circuit (6), live wire binding post L (9) and voltage protection, the L end electric connection of measurement and arithmetic circuit (6).
6. A smart jack as claimed in claim 5 wherein: including shift knob S (4), shift knob S (4) set up the side at shell (1), shift knob S (4) and voltage protection, measurement and arithmetic circuit (6) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121617111.9U CN215498238U (en) | 2021-07-16 | 2021-07-16 | Circuit protection system and smart jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121617111.9U CN215498238U (en) | 2021-07-16 | 2021-07-16 | Circuit protection system and smart jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215498238U true CN215498238U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121617111.9U Active CN215498238U (en) | 2021-07-16 | 2021-07-16 | Circuit protection system and smart jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215498238U (en) |
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2021
- 2021-07-16 CN CN202121617111.9U patent/CN215498238U/en active Active
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