CN218299187U - Alarm device and power supply with same - Google Patents
Alarm device and power supply with same Download PDFInfo
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- CN218299187U CN218299187U CN202221978848.8U CN202221978848U CN218299187U CN 218299187 U CN218299187 U CN 218299187U CN 202221978848 U CN202221978848 U CN 202221978848U CN 218299187 U CN218299187 U CN 218299187U
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Abstract
The utility model discloses an alarm device and a power supply with the alarm device, relating to the technical field of coal-fired power plant DCS control system power supply; the alarm device comprises an alarm holding circuit formed by a relay, a storage chip, a triode, an indicator lamp and second to fifth resistors, wherein a first power supply end of the storage chip, the relay and the second resistor are sequentially and electrically connected to a second power supply end of the storage chip; the power supply comprises a power supply unit and an alarm holding circuit, wherein a first power supply end of the alarm holding circuit is connected with the anode of the power supply unit, and a second power supply end of the alarm holding circuit is connected with the cathode of the power supply unit; the alarm power supply is known through a relay, a storage chip, a triode, an indicator lamp, second to fifth resistors and the like.
Description
Technical Field
The utility model relates to a coal fired power plant DCS control system power technical field especially relates to an alarm device and have alarm device's power.
Background
The authorized announcement number is CN 206650492U, and the name is a remote control type explosion-proof and intrinsic safety type uninterruptible power supply. A plurality of battery pack parallel structures are adopted, and each single battery in the battery pack is connected in series. When the power supply of the external part of the coal mine is cut off, long-time and high-power uninterrupted power supply is provided for underground equipment. The battery management system main board is connected with each battery management system sub-board through a CAN bus, and centralized control is achieved. The mainboard controls voltage balance among the battery packs according to battery information uploaded by the daughter board, and the daughter board controls voltage balance among the single batteries, so that the voltage difference among the batteries is controlled within a safe range. Meanwhile, the daughter board collects the current and temperature information of the battery pack, and the charging switch or the discharging switch is disconnected for protection when abnormal states such as overcurrent and overtemperature occur. In addition, the mainboard uploads the battery data to an upper computer in the well through an Ethernet ring network in the well, the upper computer remotely monitors the running state of each battery pack, and relevant parameters of power supply equipment are set, so that the safe and stable running of the uninterruptible power supply is guaranteed.
The name of the authorized notice is CN 205489445U, and the authorized notice is a teaching equipment power supply overvoltage alarm protection circuit. The three-phase alternating current transformer comprises a capacitor C4, a resistor R3, a transformer W, a rectifier bridge T, an optical coupler IC1 and a triode V1, wherein one end of the capacitor C4 is connected with the resistors R3 and a contact J-1 of a relay J, the other end of the capacitor C4 is connected with the other end of the resistor R3 and a winding N1 of the transformer W, the other end of the winding N1 of the transformer W is connected with the other ends of a load A and a 220V alternating current, and the other end of the contact J-1 of the relay J is connected with the other end of the load A. Teaching equipment power supply overvoltage alarm protection circuit simple structure, components and parts are few, through optical coupler as on-off control component, have added excessive component simultaneously, when meetting the excessive pressure condition, can not break off the circuit in the twinkling of an eye, have effectively avoided the circuit action that the voltage jump caused, only last excessive pressure just can break off the load, send the chimes of doom simultaneously, consequently have that the function is various, convenient to use and interference immunity are strong advantage.
In combination with the above two patent documents and the prior art solutions, the inventors have analyzed and found that the following technical problems exist in the prior art solutions.
At present, part of power plant generator set DCS control system power supplies are used for a long time, the performance is reduced, instantaneous power supply alarming can be caused due to unstable conditions such as power supply voltage, however, the DCS can only monitor single alarming for monitoring the power supply system, the position of a specific power supply in a cabinet cannot be clearly determined, once the power supply triggers the alarming, maintenance personnel cannot accurately judge, and the difficulty of fault reason analysis and judgment is increased.
Problems with the prior art and considerations:
on the premise of not upgrading and transforming the whole equipment, the technical problem that the position of a specific alarm power supply cannot be confirmed by flashing the original DCS power supply fault is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a technical problem is solved and alarm device's power is not known to alarm device and have, alarm device's power.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: the utility model provides an alarm device includes relay K1, memory chip U1, triode Q1, pilot lamp and second to fifth resistance R2 ~ R5, memory chip U1 has first supply end for being used for connecting the anodal port of power, memory chip U1 has the second supply end for being used for the port of ground connection, memory chip U1's first supply end, relay K1, second resistance R2 electricity is connected to memory chip U1's second supply end in proper order, third resistance R3 is connected between relay K1 and second resistance R2's combination department and memory chip U1's input, triode Q1's base is connected to memory chip U1's output through fourth resistance R4, pilot lamp and fifth resistance R5 connect and form indicating circuit, indicating circuit connects between memory chip U1's first supply end and triode Q1's collecting electrode, triode Q1's projecting pole connects memory chip U1's second supply end, relay K1, memory chip U1, triode Q1, indicator lamp and second to fifth resistance R2 ~ R5 form warning circuit.
The further technical scheme is as follows: the reset circuit is characterized by further comprising a reset circuit formed by a reset switch SK1 and a first resistor R1, wherein the first power supply end of the storage chip U1, the reset switch SK1 and the first resistor R1 are electrically connected to the second power supply end of the storage chip U1 in sequence, and the joint of the reset switch SK1 and the first resistor R1 is connected with the reset end of the storage chip U1.
The further technical scheme is as follows: the second resistor R2 is a resistor with a value range of 5K omega-10K omega, the third resistor R3 is a resistor with a value range of 5K omega-10K omega, the fourth resistor R4 is a resistor with a value range of 2K omega-3K omega, and the fifth resistor R5 is a resistor with a value range of 2K omega-3K omega.
The further technical scheme is as follows: the first resistor R1 is a resistor with the value range of 5K omega-10K omega.
The further technical scheme is as follows: the indicator light is an LED indicator light.
The further technical scheme is as follows: the indicator light is a red indicator light.
The further technical scheme is as follows: the indicator light is a blue indicator light.
The further technical scheme is as follows: the reset switch SK1 is a button.
The power supply with the alarm device comprises a power supply unit and further comprises the alarm holding circuit, wherein a first power supply end of the alarm holding circuit is connected with a positive electrode V + of the power supply unit, a second power supply end of the alarm holding circuit is connected with a negative electrode V-of the power supply unit, the first power supply end of the alarm holding circuit is a first power supply end of a storage chip U1, and the second power supply end of the alarm holding circuit is a second power supply end of the storage chip U1.
The further technical scheme is as follows: the power supply is a distributed control system power supply, the positive pole V + of the power supply unit is an output end with a voltage output value of +12V, and the negative pole V-of the power supply unit is an output end with a voltage output value of 0V.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model provides an alarm device includes relay K1, memory chip U1, triode Q1, pilot lamp and second to fifth resistance R2 ~ R5, memory chip U1 has first supply end for being used for connecting the anodal port of power, memory chip U1 has the second supply end for being used for the port of ground connection, memory chip U1's first supply end, relay K1, second resistance R2 electricity is connected to memory chip U1's second supply end in proper order, third resistance R3 is connected between relay K1 and second resistance R2's combination department and memory chip U1's input, triode Q1's base is connected to memory chip U1's output through fourth resistance R4, pilot lamp and fifth resistance R5 connect and form indicating circuit, indicating circuit connects between memory chip U1's first supply end and triode Q1's collecting electrode, triode Q1's projecting pole connects memory chip U1's second supply end, relay K1, memory chip U1, triode Q1, indicator lamp and second to fifth resistance R2 ~ R5 form warning circuit. According to the technical scheme, the alarm power supply is obtained through the relay K1, the storage chip U1, the triode Q1, the indicator lamp, the second resistor R2-the fifth resistor R5 and the like.
A power supply with an alarm device comprises a power supply unit and further comprises the alarm holding circuit, wherein a first power supply end of the alarm holding circuit is connected with a positive electrode V + of the power supply unit, a second power supply end of the alarm holding circuit is connected with a negative electrode V-of the power supply unit, the first power supply end of the alarm holding circuit is a first power supply end of a storage chip U1, and the second power supply end of the alarm holding circuit is a second power supply end of the storage chip U1. According to the technical scheme, the alarm holding circuit and the like are connected to the original power supply, so that the power supply which gives an alarm can be obtained.
See detailed description of the preferred embodiments.
Drawings
Fig. 1 is a schematic circuit diagram of embodiment 1 of the present invention;
fig. 2 is a schematic circuit diagram of embodiment 2 of the present invention;
fig. 3 is a schematic block diagram of embodiment 3 of the present invention;
fig. 4 is a schematic block diagram of embodiment 4 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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 application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.
Example 1:
as shown in FIG. 1, the utility model discloses an alarm device includes relay K1, reset switch SK1, memory chip U1, triode Q1, pilot lamp and first to fifth resistance R1 ~ R5, and memory chip U1 has first supply terminal for being used for the anodal port of power connection, and memory chip U1 has the port of second supply terminal for being used for ground connection.
The reset switch SK1 is a button.
The indicator light is a red LED indicator light D1.
The first power supply end of the storage chip U1, the relay K1 and the second resistor R2 are electrically connected to the second power supply end of the storage chip U1 in sequence, the third resistor R3 is connected between the combination of the relay K1 and the second resistor R2 and the input end of the storage chip U1, the base of the triode Q1 is connected to the output end of the storage chip U1 through the fourth resistor R4, the indicator light and the fifth resistor R5 are connected to form an indicating circuit, the indicating circuit is connected between the first power supply end of the storage chip U1 and the collector of the triode Q1, the emitter of the triode Q1 is connected with the second power supply end of the storage chip U1, and the relay K1, the storage chip U1, the triode Q1, the indicator light and the second to fifth resistors R2-R5 form an alarm holding circuit.
The first power supply end of the memory chip U1, the reset switch SK1 and the first resistor R1 are electrically connected to the second power supply end of the memory chip U1 in sequence, the joint of the reset switch SK1 and the first resistor R1 is connected with the reset end of the memory chip U1, the reset circuit formed by the reset switch SK1 and the first resistor R1,
the first resistor R1 is a resistor with a value range of 10K omega, the second resistor R2 is a resistor with a value range of 10K omega, the third resistor R3 is a resistor with a value range of 5K omega, the fourth resistor R4 is a resistor with a value range of 2K omega, and the fifth resistor R5 is a resistor with a value range of 2K omega.
The relay K1, the memory chip U1, the transistor Q1 themselves, and the corresponding communication connection technology are not described herein again for the prior art.
Example 2:
embodiment 2 differs from embodiment 1 in that the indicator light is a blue indicator light.
As shown in FIG. 2, the utility model discloses an alarm device includes relay K1, reset switch SK1, memory chip U1, triode Q1, pilot lamp and first to fifth resistance R1 ~ R5, and memory chip U1 has first supply terminal for being used for the anodal port of power connection, and memory chip U1 has the port of second supply terminal for being used for ground connection.
The reset switch SK1 is a button.
The indicator light is a blue LED indicator light D2.
The first power supply end of the storage chip U1, the relay K1 and the second resistor R2 are electrically connected to the second power supply end of the storage chip U1 in sequence, the third resistor R3 is connected between the joint of the relay K1 and the second resistor R2 and the input end of the storage chip U1, the base of the triode Q1 is connected to the output end of the storage chip U1 through the fourth resistor R4, the indicator lamp and the fifth resistor R5 are connected to form an indicating circuit, the indicating circuit is connected between the first power supply end of the storage chip U1 and the collector of the triode Q1, the emitting electrode of the triode Q1 is connected with the second power supply end of the storage chip U1, and the relay K1, the storage chip U1, the triode Q1, the indicator lamp and the second to fifth resistors R2-R5 form an alarm holding circuit.
The first power supply end of the memory chip U1, the reset switch SK1 and the first resistor R1 are electrically connected to the second power supply end of the memory chip U1 in sequence, the joint of the reset switch SK1 and the first resistor R1 is connected with the reset end of the memory chip U1, the reset circuit formed by the reset switch SK1 and the first resistor R1,
the first resistor R1 is a resistor with a value range of 10K omega, the second resistor R2 is a resistor with a value range of 10K omega, the third resistor R3 is a resistor with a value range of 5K omega, the fourth resistor R4 is a resistor with a value range of 2K omega, and the fifth resistor R5 is a resistor with a value range of 2K omega.
The relay K1, the memory chip U1, the transistor Q1 themselves, and the corresponding communication connection technology are not described herein again for the prior art.
Example 3:
as shown in fig. 3, the utility model discloses a power with alarm device, power include electrical unit for the distributed control system power, electrical unit's quantity is two, is the first electrical unit and the second electrical unit that the structure is the same respectively, and each electrical unit positive pole V + is voltage output numerical value + 12V's output, and each electrical unit negative pole V-is voltage output numerical value 0V's output, still includes embodiment 1's warning holding circuit, the quantity of warning holding circuit is two, is the first warning holding circuit and the second warning holding circuit of the same structure respectively, and the first feeder ear of each warning holding circuit connects electrical unit positive pole V +, and the second feeder ear of each warning holding circuit connects electrical unit negative pole V-, the first feeder ear of this warning holding circuit is the first feeder ear of memory chip U1, and the second feeder ear of this warning holding circuit is the second feeder ear of memory chip U1.
The distributed control system power source itself and the power source unit included therein are not described herein again for the prior art.
Example 4:
embodiment 4 differs from embodiment 3 in that the number of the power supply units is four.
As shown in fig. 4, the utility model discloses a power with alarm device, power include electrical unit for the distributed control system power, electrical unit's quantity is four, is the first to fourth electrical unit that the structure is the same respectively, and each electrical unit positive pole V + is voltage output numerical value + 12V's output, and each electrical unit negative pole V-is voltage output numerical value 0V's output, still includes embodiment 1's warning holding circuit, the quantity of warning holding circuit is four, is the first to fourth warning holding circuit that the structure is the same respectively, and the first feed termination power supply unit positive pole V + of each warning holding circuit, the second feed termination power supply unit negative pole V-of each warning holding circuit, the first feed termination of this warning holding circuit is the first feed termination of storage chip U1, and the second feed termination of this warning holding circuit is the second feed termination of storage chip U1.
Embodiment 3 and embodiment 4 are intended to explain the structure in the technical solution of the present application, and actually, there are many power supply units in the cabinet, and in order to know which power supply unit is a fault during use, each power supply unit is correspondingly connected with one alarm holding circuit in embodiment 1.
The conception of the application is as follows:
the existing power supply cannot store and record the power supply alarm position after flash alarm, and a maintainer cannot judge which power supply has flash alarm after arriving at the scene, so that potential safety hazards are left.
The technical scheme of this application mainly solves the keeping record that the power dodges and reports, increases warning memory chip in the power, with instantaneous alarm signal storage record to alarm indication on the power, maintainer arrives the scene after, is convenient for examine which power appears and has dodged and report, handles the back, can artifical reset elimination alarm indication.
The technical contribution is as follows:
firstly, an alarm holding function is added.
The power supply flash report means that the power supply gives an alarm instantly in the working process, but automatically returns to normal, and the power supply is continuously used and has potential safety hazards. According to the technical scheme, the alarm storage chip is additionally arranged in the power supply, so that the instant alarm record is kept, the power supply alarm indicator lamp is kept in a normally-on state, the power supply restores to a normal working state at the moment, the once alarm record is kept, and a maintainer can confirm the position of the alarm power supply at the first time.
And secondly, a power supply alarm reset function is added.
This technical scheme increases artifical button that resets in the power, and the power appears dodging and reports the back, and maintainer can carry out artifical reset operation after confirming warning power position, and the back resets, and the warning is relieved to the alarm indicator to can take notes once more after appearing reporting to the police once more.
The technical scheme is briefly introduced:
the technical scheme of this application comprises memory chip U1, output triode Q1, LED pilot lamp D1, reset switch SK1, power alarm relay K1 and peripheral resistance R1, R2, R3, R4, electronic components such as R5.
The output end of the storage chip U1 is connected with the input end of the triode Q1 through a resistor R4, and the output end of the output triode Q1 is connected with the negative electrode of the LED indicator lamp through a resistor R5.
The input end of the storage chip is connected with the alarm relay K1 through a resistor R3, and the resistor R2 is an input end pull-down resistor.
The reset end of the memory chip is connected with the reset switch SK1, and the resistor R1 is a reset end pull-down resistor.
When the power appears dodging and reporting, alarm relay K1 short-time switch-on, high level appears in memory chip U1's input, and this high level is by memory chip memory record to through output triode Q1 to LED pilot lamp D1, the pilot lamp is often bright, and the warning is preserved.
The reset switch SK1 is manually pressed, and the flash alarm can be cleared.
Description of the technical solution:
the technical scheme of the application is that the circuit is implanted into a power supply to complete the functions of flash alarm storage and alarm reset.
The circuit in the technical scheme of the application mainly comprises electronic components such as a storage chip U1, an output triode Q1, an LED indicator lamp D1, a reset switch SK1, a power supply alarm relay K1, peripheral resistors R1, R2, R3, R4 and R5 and the like.
The output of memory chip U1 among this application technical scheme passes through resistance R4 and connects triode Q1's input, and output triode Q1's output passes through resistance R5 and connects the negative pole of LED pilot lamp.
The input end of the storage chip is connected with the alarm relay K1 through a resistor R3, and the resistor R2 is an input end pull-down resistor.
The reset end of the memory chip is connected with the reset switch SK1, and the resistor R1 is a reset end pull-down resistor.
When the power appears dodging and reporting, warning relay K1 short-time switch-on, the high level appears in memory chip U1's input, and this high level is by memory chip memory record to through output triode Q1 to LED pilot lamp D1, the pilot lamp is often bright, and the warning is preserved always, carries out manual reset to the scene until the maintenance personal, just can remove alarm indication.
The reset switch SK1 is manually pressed, the flash alarm can be removed, and the alarm indicator lamp D1 is turned off.
Wherein the value of V + is +12V, and the value of V-is 0V.
The model of the relay is G5V-2, and the model of the memory chip is CD4013.
The numerical range of the first resistor R1 is 5-10K omega, the numerical range of the second resistor R2 is 5-10K omega, the numerical range of the third resistor R3 is 5-10K omega, the numerical range of the fourth resistor R4 is 2-3K omega, and the numerical range of the fifth resistor R5 is 2-3K omega.
The DCS power supply is referred to as a distributed control system power supply.
After the application runs secretly for a period of time, the feedback of field technicians has the advantages that:
the technical scheme of this application is fit for being applied to DCS electrical power generating system equipment after long-time operation, and the power performance descends, and the fault alarm of inciting somebody to action, and fault alarm reports for dodging, can't confirm the condition of the concrete alarm position of power after the warning.
The DCS power system is added with an alarm keeping function and a manual reset function, so that the inspection efficiency and the equipment reliability can be improved, major equipment faults are avoided, and the equipment safety risk is reduced. The DCS power supply system is added with an alarm keeping function and a manual reset function, is unique, saves hardware input cost as far as possible, and has high popularization.
At present, the technical scheme of the utility model is that a pilot test is carried out, namely a small-scale test of products before large-scale mass production; after the pilot test is finished, the investigation for the use of the user is carried out in a small range, and the investigation result shows that the satisfaction degree of the user is higher; the preparation of products for formal production for industrialization (including intellectual property risk early warning research) has been started.
Claims (10)
1. An alarm device, characterized in that: the power supply protection circuit comprises a relay K1, a storage chip U1, a triode Q1, an indicator lamp and a second resistor R2-R5, wherein the storage chip U1 is provided with a first power supply end which is used for being connected with a port of a power supply anode, the storage chip U1 is provided with a second power supply end which is used for being connected with the port of the ground, the first power supply end of the storage chip U1, the relay K1 and a second resistor R2 are sequentially and electrically connected to the second power supply end of the storage chip U1, a third resistor R3 is connected between the combination of the relay K1 and the second resistor R2 and the input end of the storage chip U1, the base electrode of the triode Q1 is connected to the output end of the storage chip U1 through a fourth resistor R4, the indicator lamp and the fifth resistor R5 are connected to form an indicating circuit, the indicating circuit is connected between the first power supply end of the storage chip U1 and the collector electrode of the triode Q1, the emitter electrode of the triode Q1 is connected with the second power supply end of the storage chip U1, the relay K1, the storage chip U1, the triode Q1, the indicating lamp and the second resistor R2-R5 form an alarm keeping circuit.
2. An alarm device according to claim 1, characterised in that: the reset circuit is characterized by further comprising a reset circuit formed by a reset switch SK1 and a first resistor R1, wherein the first power supply end of the storage chip U1, the reset switch SK1 and the first resistor R1 are electrically connected to the second power supply end of the storage chip U1 in sequence, and the joint of the reset switch SK1 and the first resistor R1 is connected with the reset end of the storage chip U1.
3. An alarm device according to claim 1, wherein: the second resistor R2 is a resistor with a value range of 5K omega-10K omega, the third resistor R3 is a resistor with a value range of 5K omega-10K omega, the fourth resistor R4 is a resistor with a value range of 2K omega-3K omega, and the fifth resistor R5 is a resistor with a value range of 2K omega-3K omega.
4. An alarm device according to claim 2, wherein: the first resistor R1 is a resistor with the value range of 5-10K omega.
5. An alarm device according to claim 1, wherein: the indicator light is an LED indicator light.
6. An alarm device according to claim 1, wherein: the indicator light is a red indicator light.
7. An alarm device according to claim 1, wherein: the indicator light is a blue indicator light.
8. An alarm device according to claim 2, wherein: the reset switch SK1 is a button.
9. A power supply with an alarm device comprises a power supply unit, and is characterized in that: the alarm holding circuit of claim 1 further comprising a first power supply terminal of the alarm holding circuit connected to the positive power supply unit V +, a second power supply terminal of the alarm holding circuit connected to the negative power supply unit V-, the first power supply terminal of the alarm holding circuit being the first power supply terminal of the memory chip U1, and the second power supply terminal of the alarm holding circuit being the second power supply terminal of the memory chip U1.
10. The power supply with alarm device of claim 9, wherein: the power supply is a distributed control system power supply, the positive pole V + of the power supply unit is an output end with a voltage output value of +12V, and the negative pole V-of the power supply unit is an output end with a voltage output value of 0V.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221978848.8U CN218299187U (en) | 2022-07-28 | 2022-07-28 | Alarm device and power supply with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221978848.8U CN218299187U (en) | 2022-07-28 | 2022-07-28 | Alarm device and power supply with same |
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| CN218299187U true CN218299187U (en) | 2023-01-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116749811A (en) * | 2023-08-10 | 2023-09-15 | 湖南艾德迅电气科技股份有限公司 | Intelligent charger for new energy automobile |
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2022
- 2022-07-28 CN CN202221978848.8U patent/CN218299187U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116749811A (en) * | 2023-08-10 | 2023-09-15 | 湖南艾德迅电气科技股份有限公司 | Intelligent charger for new energy automobile |
| CN116749811B (en) * | 2023-08-10 | 2023-10-31 | 湖南艾德迅电气科技股份有限公司 | Intelligent charger for new energy automobile |
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