CN218729380U - Prevent mistake outage warning circuit - Google Patents
Prevent mistake outage warning circuit Download PDFInfo
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- CN218729380U CN218729380U CN202222473654.9U CN202222473654U CN218729380U CN 218729380 U CN218729380 U CN 218729380U CN 202222473654 U CN202222473654 U CN 202222473654U CN 218729380 U CN218729380 U CN 218729380U
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Abstract
The utility model relates to the technical field of electrical control alarm, in particular to an anti-misoperation power-off alarm circuit which is used for being connected with a main control circuit of electrical equipment, wherein the main control circuit comprises a main circuit and a control circuit; the alarm circuit comprises an intermediate relay KA1, an alarm device power supply, a touch sensing device, an alarm control circuit and an alarm generating circuit; a switch of the intermediate relay KA1 is connected with a power supply of the alarm device in series and then connected into a control circuit, and a coil of the intermediate relay KA1 is arranged in a main circuit; the touch sensing device is arranged on a circuit breaker QF in the main circuit; the alarm generating circuit is connected with the power supply of the alarm device and is connected with the touch sensing device through the alarm control circuit. Through this alarm circuit, can effectively solve the easy problem of mistake outage of operating personnel.
Description
Technical Field
The utility model relates to an electrical control alarm technical field especially relates to a prevent mistake outage alarm circuit.
Background
At present, important units, key equipment and auxiliary power facilities thereof need to be operated continuously, and immeasurable loss is caused when the units are cut off suddenly and stopped. The existing distribution panel cabinet is provided with operation indication or state indication, such as electrification, operation, stop, fault indication lamps, current displays and the like on the panel cabinet, and prompts are given to operators. But the false power failure of the equipment caused by the damage of the operation indicator light, the weak responsibility of personnel and other reasons still happens occasionally. How to better avoid the power failure misoperation of an operator and ensure the safe and stable operation of electrical equipment is a problem to be solved urgently at present.
In the prior art, a chinese utility model patent document with publication number CN213659650U and granted announcement date of 2021, 07, 09 is proposed to solve the above existing technical problems, and the technical scheme disclosed by the patent document is as follows: an anti-misbreaking alarm device, comprising: a sensor provided at a position of a power operation handle of the electric device, for generating trigger information when the power operation handle is operated; the control device is used for generating an alarm instruction according to the trigger information from the sensor; and the alarm device is arranged around the electrical equipment and used for executing the alarm instruction.
The above-described scheme proposes a technical idea to solve the problem, but does not propose a specific circuit connection scheme.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a prevent mistake outage warning circuit can effectively solve the easy problem of mistake outage of operating personnel.
The utility model discloses a realize through adopting following technical scheme:
an anti-power-off error alarm circuit is used for being connected to a main control circuit of electrical equipment, and the main control circuit comprises a main circuit and a control circuit; the method is characterized in that: the alarm circuit comprises an intermediate relay KA1, an alarm device power supply, a touch sensing device, an alarm control circuit and an alarm generating circuit; a switch of the intermediate relay KA1 is connected with a power supply of the alarm device in series and then connected into a control circuit, and a coil of the intermediate relay KA1 is arranged in a main circuit; the touch sensing device is arranged on a circuit breaker QF in the main circuit; the alarm generating circuit is connected with the power supply of the alarm device and is connected with the touch sensing device through the alarm control circuit.
The alarm control circuit comprises a resistor R1, a triode Q, a diode D and a relay KA2, one end of the resistor R1 is connected with an I/O port of the alarm control circuit, the other end of the resistor R1 is connected with a base electrode of the triode Q, emitting electrodes of the triode Q are all grounded, a collector electrode of the triode Q is connected with a coil of the relay KA2, and the other end of the coil of the relay KA2 is connected with a preset power supply; the coil of the relay KA2 is also connected with a diode D in parallel; and a switch of the relay KA2 is connected with the output end of the alarm control circuit.
The other end of relay KA 2's coil links to each other with predetermined power and specifically indicates: and the other end of the coil of the relay KA2 is connected with a power supply of the alarm device.
The alarm control circuit further comprises a resistor R2, one end of the resistor R2 is connected with the power supply of the alarm device, and the other end of the resistor R2 is connected to the resistor R1.
The touch sensing device comprises a touch electrode and a sensing chip, wherein the touch electrode is connected with a pin I of the sensing chip, and a pin Q of the sensing chip is connected with an I/O port of the alarm control circuit.
The control circuit comprises a button switch SB1, a button switch SB2, a contactor KM1, a signal lamp HG and a signal lamp HR; the coils of the button switch SB1, the button switch SB2 and the contactor KM1 are sequentially connected in series and then are connected into the main circuit; a normally open auxiliary contact KM1-1 of the contactor KM1 is connected with two ends of a button switch SB2 in parallel; a normally open auxiliary contact KM1-2 of the contactor KM1 is connected with a signal lamp HG in series and then is connected into a main circuit; and a normally closed auxiliary contact KM1-3 of the contactor KM1 is connected with a signal lamp HR in series and then is connected into a main circuit.
The main circuit further comprises a motor M, and the motor M is connected with three live wires of a three-phase power supply sequentially through a normally-open main contact KM1-4 of a contactor KM1 and a breaker QF.
8. The model of the sensing chip is TTP223-ASB SSOP-16.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, through this warning circuit, because warning generating circuit connects the alarm device power, simultaneously through alarm control circuit connection touch-sensitive device, the electric current through the electrical equipment operation makes touch-sensitive device work, further realizes touch alarm's operation, can reduce the risk of mistake stopping.
2. The current of the collecting device directly reflects the state of the device, and whether the node is closed or not is changed through the large current, so that the most real state of the device is set.
Drawings
The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:
FIG. 1 is a schematic diagram of the connection between the main control circuit and the alarm power supply branch circuit;
fig. 2 is a schematic diagram of the alarm control circuit of the present invention;
fig. 3 is a schematic diagram of the alarm generating circuit of the present invention;
fig. 4 is a schematic diagram of the touch sensing device of the present invention.
Detailed Description
Example 1
As the utility model discloses basic embodiment, the utility model discloses a prevent mistake outage alarm circuit for insert electrical equipment's main control circuit, main control circuit includes main circuit and control circuit. The main circuit and control circuit may be arranged using conventional circuitry in the art.
The alarm circuit comprises an intermediate relay KA1, an alarm device power supply, a touch sensing device, an alarm control circuit and an alarm generating circuit. The switch of the intermediate relay KA1 is connected with the alarm device power supply in series and then connected into the control circuit, and the coil of the intermediate relay KA1 is arranged in the main circuit. The touch sensing device is arranged on a circuit breaker QF in the main circuit. The alarm generating circuit is connected with the power supply of the alarm device and is connected with the touch sensing device through the alarm control circuit. The alarm device power supply is communicated with the current of the electrical equipment, so that the touch sensing device can work through the current of the electrical equipment, the current is provided for the operation of the alarm generating circuit, and the risk of error stop can be reduced.
Example 2
As a preferred embodiment, the utility model discloses a prevent mistake outage alarm circuit for insert electrical equipment's main control circuit, main control circuit includes main circuit and control circuit. The alarm circuit comprises an intermediate relay KA1, an alarm device power supply, a touch sensing device, an alarm control circuit and an alarm generating circuit. The switch of the intermediate relay KA1 is connected with the alarm device power supply in series and then connected into the control circuit, and the coil of the intermediate relay KA1 is arranged in the main circuit.
The touch sensing device is arranged on a circuit breaker QF in the main circuit and comprises a touch electrode and a sensing chip. The type of the sensing chip is TTP223-ASB SSOP-16. The touch electrode is connected with a pin I of the sensing chip, and a pin Q of the sensing chip is connected with an I/O port of the alarm control circuit. The alarm control circuit comprises a resistor R1, a triode Q, a diode D and a relay KA2, one end of the resistor R1 is connected with an I/O port of the alarm control circuit, the other end of the resistor R1 is connected with a base electrode of the triode Q, emitting electrodes of the triode Q are all grounded, a collector electrode of the triode Q is connected with a coil of the relay KA2, and the other end of the coil of the relay KA2 is connected with a preset power supply; the coil of the relay KA2 is also connected in parallel with the diode D. And a switch of the relay KA2 is connected with the output end of the alarm control circuit. The alarm generating circuit comprises a loudspeaker, the loudspeaker is communicated with a power supply of the alarm device, and is connected with the touch sensing device through the alarm control circuit.
Example 3
As the utility model discloses the best mode, the utility model discloses a prevent mistake outage alarm circuit, including auxiliary relay KA1, alarm device power, touch-sensitive device, alarm control circuit and warning generating circuit. This alarm circuit is used for inserting electrical equipment's main control circuit, refers to specification figure 1, main control circuit includes main circuit and control circuit, and the switch of auxiliary relay KA1 and the access control circuit behind the alarm device power series connection, auxiliary relay KA 1's coil sets up in the main circuit.
More specifically, the control circuit includes a button switch SB1, a button switch SB2, a contactor KM1, a signal lamp HG, and a signal lamp HR. The main circuit comprises a motor M and a breaker QF, wherein the motor M is connected with three live wires of a three-phase power supply sequentially through normally-open main contacts KM1-4 of a contactor KM1 and the breaker QF. Wherein, motor M's U1 corresponds and connects live wire L1, and motor M's V1 corresponds and connects live wire L2, and motor M's W1 corresponds and connects live wire L3. And a control circuit is connected between the live wires L2 and L3. The coils of the button switch SB1, the button switch SB2 and the contactor KM1 are sequentially connected in series between the live wires L2 and L3; and a normally open auxiliary contact KM1-1 of the contactor KM1 is connected in parallel at two ends of a push-button switch SB 2. And a normally open auxiliary contact KM1-2 of the contactor KM1 and a signal lamp HG are connected between the live lines L2 and L3 in series. And a normally closed auxiliary contact KM1-3 of the contactor KM1 is connected between a live line L2 and a live line L3 in series with a signal lamp HR.
The touch sensing device is arranged on the breaker QF in the main circuit. Referring to fig. 4 in the specification, the touch sensing device includes a touch electrode and a sensing chip. The model of the sensing chip is TTP223-ASB SSOP-16. The touch electrode is connected with a pin I of the sensing chip, and a pin Q of the sensing chip is connected with an I/O port of the alarm control circuit.
Referring to the attached figure 2 of the specification, the alarm control circuit comprises a resistor R1, a resistor R2, a triode Q, a diode D and a relay KA2. The type of the triode Q is 2N3904, and the type of the diode D is 1N4148. One end of the resistor R2 is connected with a power supply of the alarm device, and the other end of the resistor R1 is connected with the resistor. One end of the resistor R1 is connected with an I/O port of the alarm control circuit, the other end of the resistor R1 is connected with a base electrode of the triode Q, emitting electrodes of the triode Q are all grounded, a collecting electrode of the triode Q is connected with a coil of the relay KA2, and the other end of the coil of the relay KA2 is connected with an alarm device power supply. The coil of the relay KA2 is also connected with a diode D in parallel. And a switch of the relay KA2 is connected with the output end of the alarm control circuit.
Referring to the attached figure 3 of the specification, the alarm generating circuit comprises a loudspeaker, and the loudspeaker is connected with a power supply of the alarm device and is simultaneously connected with the touch sensing device through the alarm control circuit.
When the KM1 coil is powered off and the motor M stops running, the switch of the intermediate relay KA1 is turned on, the alarm device has no power supply, so that the follow-up circuit comprises an alarm control circuit and an alarm generating circuit without power supply, and the alarm cannot occur.
When the KM1 coil is electrified, the motor M runs, and whether to alarm or not depends on whether the touch sensing device and the alarm control circuit are communicated with the alarm generating circuit or not. If the touch electrode detects a signal, the pin Q outputs and is communicated with the alarm control circuit, and the loudspeaker sounds; if the touch electrode does not detect a signal, the pin Q does not output, and the loudspeaker does not sound.
In conclusion, after the ordinary skilled in the art reads the document of the present invention, the technical solution and technical idea of the present invention do not need creative mental labor and make other various corresponding transformation schemes, which all belong to the protection scope of the present invention.
Claims (8)
1. An anti-misoperation power-off alarm circuit is used for being connected into a main control circuit of electrical equipment, wherein the main control circuit comprises a main circuit and a control circuit; the method is characterized in that: the alarm circuit comprises an intermediate relay KA1, an alarm device power supply, a touch sensing device, an alarm control circuit and an alarm generating circuit; a switch of the intermediate relay KA1 is connected with a power supply of the alarm device in series and then is connected into a control circuit, and a coil of the intermediate relay KA1 is arranged in a main circuit; the touch sensing device is arranged on a circuit breaker QF in the main circuit; the alarm generating circuit is connected with the power supply of the alarm device and is connected with the touch sensing device through the alarm control circuit.
2. The circuit of claim 1, wherein: the alarm control circuit comprises a resistor R1, a triode Q, a diode D and a relay KA2, one end of the resistor R1 is connected with an I/O port of the alarm control circuit, the other end of the resistor R1 is connected with a base electrode of the triode Q, emitting electrodes of the triode Q are all grounded, a collector electrode of the triode Q is connected with a coil of the relay KA2, and the other end of the coil of the relay KA2 is connected with a preset power supply; the coil of the relay KA2 is also connected with a diode D in parallel; and a switch of the relay KA2 is connected with the output end of the alarm control circuit.
3. The circuit of claim 2, wherein: the other end of relay KA 2's coil links to each other with predetermined power and specifically indicates: the other end of the coil of the relay KA2 is connected with a power supply of the alarm device.
4. An anti-misbreaking alarm circuit according to claim 2 or 3, wherein: the alarm control circuit further comprises a resistor R2, one end of the resistor R2 is connected with the power supply of the alarm device, and the other end of the resistor R2 is connected to the resistor R1.
5. The circuit of claim 1, wherein: the touch sensing device comprises a touch electrode and a sensing chip, wherein the touch electrode is connected with a pin I of the sensing chip, and a pin Q of the sensing chip is connected with an I/O port of the alarm control circuit.
6. The circuit of claim 1, wherein the circuit comprises: the control circuit comprises a button switch SB1, a button switch SB2, a contactor KM1, a signal lamp HG and a signal lamp HR; the coils of the button switch SB1, the button switch SB2 and the contactor KM1 are sequentially connected in series and then are connected into the main circuit; a normally open auxiliary contact KM1-1 of the contactor KM1 is connected in parallel at two ends of a button switch SB 2; a normally open auxiliary contact KM1-2 of the contactor KM1 is connected with a signal lamp HG in series and then is connected into a main circuit; and a normally closed auxiliary contact KM1-3 of the contactor KM1 is connected with a signal lamp HR in series and then is connected into a main circuit.
7. The circuit of claim 6, wherein: the main circuit further comprises a motor M, and the motor M is connected with three live wires of a three-phase power supply sequentially through a normally-open main contact KM1-4 of a contactor KM1 and a breaker QF.
8. The circuit of claim 5, wherein the circuit comprises: the model of the sensing chip is TTP223-ASB SSOP-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222473654.9U CN218729380U (en) | 2022-09-19 | 2022-09-19 | Prevent mistake outage warning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222473654.9U CN218729380U (en) | 2022-09-19 | 2022-09-19 | Prevent mistake outage warning circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218729380U true CN218729380U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222473654.9U Active CN218729380U (en) | 2022-09-19 | 2022-09-19 | Prevent mistake outage warning circuit |
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| Country | Link |
|---|---|
| CN (1) | CN218729380U (en) |
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- 2022-09-19 CN CN202222473654.9U patent/CN218729380U/en active Active
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