CN111773603A - Automatic fire pump inspection control equipment and electric control circuit thereof - Google Patents
Automatic fire pump inspection control equipment and electric control circuit thereof Download PDFInfo
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- CN111773603A CN111773603A CN202010499543.8A CN202010499543A CN111773603A CN 111773603 A CN111773603 A CN 111773603A CN 202010499543 A CN202010499543 A CN 202010499543A CN 111773603 A CN111773603 A CN 111773603A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
Abstract
The invention discloses automatic inspection control equipment for a fire pump and an electric control circuit thereof, belongs to the field of fire-fighting electric control devices, and is used for carrying out automatic inspection control on the fire pump; the automatic fire pump inspection control equipment is obtained based on the circuit and comprises an inspection cabinet and a fire-fighting power distribution cabinet which are connected with each other; the PLC control circuit controls the working circuit for polling the main circuit, the low-frequency power supply is carried out on the detected fire pump, the fire pump runs at a low speed according to a set period, the automatic polling detection of the fire pump is realized, and the problems that the existing automatic polling control equipment has a control cabinet and a polling cabinet which are difficult to realize better electrical interlocking, the control switching is slow, the control circuit is complex and the control reliability is reduced are solved.
Description
Technical Field
The invention belongs to the field of fire-fighting electrical control devices, and relates to automatic fire pump inspection control equipment and an electrical control circuit thereof.
Background
According to the regulations of the fire safety industry standard GA30.2 of the Ministry of public Security on performance requirements and test methods of fixed fire-fighting water supply equipment, in order to prevent the fire-fighting water pump from generating faults of corrosion, dampness, abnormal action of the water pump and the like, the aim of 'nourishing the arms for thousands of days and using the arms for one moment' is really fulfilled, an automatic inspection device needs to be additionally arranged on the fire-fighting water pump, particularly the fire-fighting water pump of a fire-fighting system of an enterprise and public institution, and daily inspection needs to be well done.
Therefore, daily inspection of fire pumps of a fire fighting system is particularly important, but the automatic inspection control equipment of the current fire pumps has some problems, such as:
1. the fire pump control cabinet and the fire pump inspection cabinet are two mutually independent control systems, the respective operation is controlled by a fire control center, but the two control systems are not communicated with each other, so that better electrical interlocking is difficult to realize;
2. when the fire-fighting water pump inspection cabinet works at ordinary times, if a fire disaster occurs, the inspection is difficult to stop in time, the water outlet control of the fire-fighting water pump is carried out, and the greater spread of the fire disaster can be caused;
3. the electrical control circuit is complex, the control equipment is repeatedly arranged, the control reliability and the detection accuracy are reduced, and the efficiency of the control circuit is not fully exerted.
Therefore, the invention provides automatic fire pump inspection control equipment and an electric control circuit thereof aiming at the problems.
Disclosure of Invention
The invention aims to: the automatic fire pump inspection control equipment and the electric control circuit thereof solve the problems that the existing automatic inspection control equipment has a control cabinet and an inspection cabinet which are difficult to realize better electric interlocking, the control switching is slow, the control circuit is complex, and the control reliability is reduced.
The technical scheme adopted by the invention is as follows:
an electric control circuit of automatic fire pump inspection control equipment comprises a switch circuit, a main circuit, a PLC control circuit, a fire-fighting linkage control circuit and an indication circuit, wherein the main circuit is connected with the PLC control circuit and the indication circuit;
the main loop comprises a working circuit, a digital display control circuit and a power supply conversion circuit, wherein the working circuit and the digital display control circuit are both connected with the power supply conversion circuit, and the working circuit is connected with the digital display control circuit;
the PLC control circuit comprises a PLC controller and a human-computer interface which are connected with each other, the PLC controller and the human-computer interface are both connected with the power supply conversion circuit, and the PLC controller is connected with the working circuit;
the fire-fighting linkage control loop comprises a fire-fighting linkage controller, and the fire-fighting linkage controller is connected with the PLC;
the indication circuit comprises a patrol inspection signal lamp connected with the main circuit and the fire-fighting linkage control circuit.
Furthermore, the working circuit comprises a transformer, a variable frequency speed regulator, an alternating current contactor and a plurality of fire pump motors which are connected in sequence.
Furthermore, the digital display control circuit comprises a digital display ammeter, a digital display voltmeter and a protection relay which are connected with the working circuit, and the protection relay is connected with the digital display voltmeter.
Further, the power conversion circuit comprises a voltage converter connected with the working circuit and the digital display control circuit.
Furthermore, the PLC controller is connected with a variable-frequency speed regulator of the working circuit to control the operation of a motor of the fire pump.
Furthermore, the PLC controller adopts a Siemens CPUSR20 module, and the human-computer interface adopts a touch screen and is used for setting the polling period and time.
The utility model provides an automatic controlgear that patrols and examines of fire pump, the automatic controlgear that patrols and examines of fire pump based on above-mentioned electrical control circuit design, patrol and examine cabinet and fire control switch board including interconnect, it is provided with panel and touch-sensitive screen to patrol and examine the cabinet surface, it is inside to be provided with main power automatic circuit breaker, transformer, frequency conversion speed regulator, ac contactor, voltage converter and PLC controller to patrol and examine the cabinet, be provided with fire control linkage controller and fire pump in the fire control switch board, fire control linkage controller is connected with the PLC controller, the pump motor and the frequency conversion speed regulator of fire pump are connected.
Further, the panel includes digital display ampere meter, digital display voltmeter, patrols and examines signal lamp and trouble buzzer to and manual/automatic selector switch, manual button of patrolling and examining, stop to patrol and examine the button.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. an electrical control circuit of automatic fire pump inspection control equipment is characterized in that a PLC control loop controls a working circuit for inspection of a main loop, power is supplied to a detected fire pump at low frequency, the fire pump runs at low speed according to a set period, automatic inspection of the fire pump is realized, and the fire pump is kept in a reliable running state for a long time through automatic inspection; the PLC control circuit is connected with the fire-fighting linkage control circuit, so that the state information of the fire-fighting power distribution cabinet and the inspection equipment can be known in time, the intercommunication and interlocking between the fire-fighting water pump inspection cabinet and the fire-fighting power distribution cabinet can be better realized, the control state can be switched in time, the reliability is higher, and the control is accurate; still show current state through indicating circuit's signal lamp, in time know trouble and alarm information, make things convenient for the staff in time to take measures.
2. The automatic inspection control equipment for the fire pump adopts low-frequency inspection, the rotating speed of a pump motor is 300 revolutions per minute during inspection, a water system is not pressurized and has no starting current, the service life of the equipment is greatly prolonged, and the automatic inspection control equipment has the characteristics of high safety, low current and low power consumption.
3. The automatic fire pump inspection control equipment can realize periodic automatic inspection and manual inspection of a single fire pump, is selected according to actual conditions, and can also stop automatic inspection in time when a fire alarm occurs, respond to a fire signal of a fire power distribution cabinet in time and start the fire pump to extinguish the fire.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
FIG. 1 is a schematic diagram of the electrical control circuit connection of an automatic fire pump inspection control device;
FIG. 2 is an electrical schematic of the main circuit of the present invention;
FIG. 3 is an electrical schematic of the PLC control loop of the present invention;
FIG. 4 is an electrical schematic of the fire fighting coordinated control loop of the present invention;
FIG. 5 is an electrical schematic of the indicating circuit of the present invention;
FIG. 6 is a flow chart of the operation of an automatic fire pump routing inspection control device;
FIG. 7 is a parameter setting interface of the touch screen of the present invention;
FIG. 8 is an operation display interface of the touch screen according to the present invention;
fig. 9 is an information query interface of the touch screen in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described herein and illustrated in the figures may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples and the accompanying drawings.
Example one
The invention provides an electrical control circuit of automatic fire pump inspection control equipment, which comprises a switch circuit, a main circuit, a PLC (programmable logic controller) control circuit, a fire-fighting linkage control circuit and an indication circuit, wherein the switch circuit and the main circuit are connected with a power supply lead-in wire, the main circuit is connected with the PLC control circuit and the indication circuit, and the PLC control circuit is connected with the fire-fighting linkage control circuit;
the main loop comprises an incoming line breaker Q1, and a working circuit, a digital display control circuit and a power supply conversion circuit which are connected with the incoming line breaker Q1, wherein the working circuit and the digital display control circuit are both connected with the power supply conversion circuit, and the working circuit is connected with the digital display control circuit;
the PLC control circuit comprises a PLC controller and a human-computer interface which are connected with each other, the PLC controller and the human-computer interface are both connected with the power supply conversion circuit, and the PLC controller is connected with the working circuit;
the fire-fighting linkage control loop comprises a fire-fighting linkage controller, and the fire-fighting linkage controller is connected with the PLC;
the indication circuit comprises a patrol inspection signal lamp connected with the main circuit and the fire-fighting linkage control circuit.
Specifically, the switching circuit includes a power switch Q3 connected to a power lead-in, and a main power automatic breaker LY1 connected to a power switch Q3.
Further, the working circuit comprises a transformer TB, a variable frequency speed regulator BP, an alternating current contactor KH1 and a plurality of fire pump motors M which are connected in sequence.
Specifically, one end of the incoming line breaker Q1 is connected with a power supply lead-in wire, the other end of the incoming line breaker Q1 is sequentially connected with a transformer TB and a contactor KM0, the contactor KM0 is connected with a pin R, S, T of a variable-frequency governor BP, the pin U, V, W of the variable-frequency governor BP is connected with an alternating current contactor KH1 and then connected with motors M1, M2, M3 and M4 of fire pumps No. 1, No. 2, No. 3 and No. 4, contactors KM1, KM2, KM3 and KM4 are further connected between the motors M1, M2, M3 and M4 of the fire pumps and the alternating current contactor KH1, and the motors M1, M2, M3 and M4 of the fire pumps are three-phase asynchronous motors.
Further, the digital display control circuit comprises a digital display ammeter PA1, a digital display voltmeter PV and a protection relay XJ, wherein the digital display ammeter PA1, the digital display voltmeter PV and the protection relay XJ are connected with the working circuit, and the protection relay is connected with the digital display voltmeter.
Specifically, the digital display ammeter PA1 is connected with the other end of the incoming line breaker Q1 through a fuse F4 and is connected with a transformer TB, the digital display ammeter PA1 is a three-phase digital display ammeter, the digital display voltmeter PV is connected with the other end of the incoming line breaker Q1 through fuses F1, F2 and F3 and is connected in parallel with a protection relay XJ, the digital display voltmeter PV is a three-phase digital display voltmeter, and the protection relay XJ is an open-phase and phase-sequence protection relay.
Further, the power conversion circuit comprises a voltage converter G1 connected with the working circuit and the digital display control circuit.
Specifically, the voltage converter G1 is connected with the other end of the incoming line breaker Q1 through a fuse F5, and is connected with a digital display ammeter PA1 and a digital display voltmeter PV, and the other end is connected with a PLC control circuit through a fuse F6.
Further, PLC control circuit includes interconnect's PLC controller SB and human-machine interface CAT5e, PLC controller SB and human-machine interface CAT5e all with power conversion circuit's voltage converter G1 output connection, PLC controller SB still with the variable frequency speed regulator BP of working circuit is connected, controls the operation of fire pump motor, PLC controller SB adopts the Siemens CPUSR20 module that the model is 6ES 7288-1 ST30-0AA0, human-machine interface CAT5e adopts the touch-sensitive screen for the setting is patrolled and examined cycle and time.
Specifically, as shown in fig. 3, pin P28 of PLC controller SB is connected to inverter fault reset button SS1, pin a104 is connected to device controlled switch K3, pin P27 is connected to patrol stop button SS2, pin P04 is connected to manual patrol terminals 1 and 2 of mode selection switch SAC, pin P05 is connected to automatic patrol terminals 5 and 6 of mode selection switch SAC, pins P05, P05 and P05 are connected to manual patrol buttons SF 05, SF 05 and SF 05 of fire pumps No. 1, No. 2, No. 3 and No. 4 respectively, pin P05 is connected to pins 5 and 6 of protection relay XJ for receiving open-phase and open-phase alarm signals of protection relay XJ, pins P05, P05 and P05 are connected to contactors KM 05, KM 05 and KM 05 respectively, and kh3672 are connected to fire pump motor M05, M05 and M05, P05 are connected to receive ac signal input signals, P05 and P05 are connected to ac signal input terminals 05, pins P01 and P02 are respectively connected with pins RC and RA, pin Y1 and pin COM of a variable-frequency speed regulator BP to receive operation and fault signals of the variable-frequency speed regulator BP, pins P17, P18, P19 and P20 are respectively connected with routing inspection relays KQ01, KQ02, KQ03 and KQ04 of fire pump motors M1, M2, M3 and M4, pins P21 and P22 are respectively connected with latching relays KQ05 and KQ06 of the fire pump motors M1 and M2, and pins P23, P24, P25 and P26 are respectively connected with an operation relay KQ7, a fault relay KQ8, a fault automatic reset relay KQ11 and a power supply contactor KQ12 of the variable-frequency speed regulator BP.
Specifically, fire control linkage control circuit is as shown in fig. 4, including fire control linkage controller X2, fire control linkage controller X2 with PLC controller SB connects, fire control signal is received to pin 1 ~ 4 of fire control linkage controller X2, pin 5 and 6 receiving equipment controlled signal, contactor KM1 is connected respectively to pin 8 ~ 11, KM2, KM3 and KM4, the control signal of output fire pump motor inspection work, contactor KM1, KM2, KM3 and KM4 are connected respectively to pin 13 ~ 16, the control signal that output fire pump motor inspection stop, feedback signal public line is all connected to pin 7 and pin 12, contactor K1 is connected to pins 17 and 18, receive fire control signal feedback, contactor K2 is connected to pins 19 and 20, receive trouble feedback signal, operation relay KQ7 is connected to pins 21 and 22, operation feedback is received to patrol inspection, trouble relay KQ8 is connected to pins 23 and 24, the pins 25 and 26, the pins 27 and 28, the pins 29 and 30 and the pins 31 and 32 are respectively connected with the latching relays KQ05, KQ06, the running relay KQ7 and the fault relay KQ8, polling interlocking feedback signals of No. 1, No. 2, No. 3 and No. 4 fire pumps are received, the pins 33 and 34 are connected with the contactor K3, and equipment controlled feedback signals are received.
Specifically, the indication circuit is shown in fig. 5, and includes an inspection signal lamp connected to a main circuit and a fire-fighting linkage control circuit, and is connected to the other end of the incoming line breaker Q1 through a fuse F7, the inspection signal lamp includes a power indicator lamp HG1, inspection indicator lamps HR1 to HR4, a controlled indicator lamp HR5, a fault alarm lamp HY1, an operation indicator lamp HR6, a mode selection indicator lamp HG2, and inverter power start indicator lamps HR7 and HG3, the inspection indicator lamps HR1 to HR4 are respectively connected to contactors KM1, KM2, KM3 and KM4, so as to achieve inspection indication of fire pumps No. 1, No. 2, No. 3 and No. 4, the controlled indicator lamp HR5 is connected to a contactor K1 after being connected to a speaker P1 in parallel, the contactor K1 is connected to fire-fighting signal XF1 and XF HY1 of a fire-fighting power distribution cabinet, the fault alarm lamp 1 is connected to a kp 36q 1, and the fault relay protection relay 36xj 1, the protection relay XJ is connected with a contactor K2 to realize phase loss, phase failure, fault display and alarm, the operation indicator light HR6 is connected with pins 5 and 6 of a fire protection linkage controller X2 after being connected with a contactor K3 in parallel, the mode selection indicator light HG2 is connected with a mode selection switch SAC to realize mode selection indication, the contactors KM1, KM2, KM3 and KM4 are respectively connected with inspection relays KQ01, KQ02, KQ03 and KQ04 and then connected with a contactor K1, the frequency converter power supply starting indicator light HR77 and HG3 are connected with a contactor KM0, and the contactor KM0 is connected with a power supply contactor KQ12 of a frequency-variable speed controller BP to start a power supply of the frequency-variable speed controller.
In the embodiment, the PLC control loop controls the inspection working circuit of the main loop, the detected fire pump is powered at low frequency, the fire pump runs at low speed according to a set period, automatic inspection of the fire pump is realized, and the fire pump is kept in a reliable running state for a long time through automatic inspection; the PLC control circuit is connected with the fire-fighting linkage control circuit, so that the state information of the fire-fighting power distribution cabinet and the inspection equipment can be known in time, the intercommunication and interlocking between the fire-fighting water pump inspection cabinet and the fire-fighting power distribution cabinet can be better realized, the control state can be switched in time, the reliability is higher, and the control is accurate; still show current state through indicating circuit's signal lamp, in time know trouble and alarm information, make things convenient for the staff in time to take measures.
Example two
The embodiment provides automatic fire pump inspection control equipment based on a circuit of the first embodiment, and the automatic fire pump inspection control equipment comprises inspection cabinets and fire-fighting power distribution cabinets which are connected with each other, wherein each inspection cabinet can be matched with 1-10 fire-fighting power distribution cabinets; the surface of the inspection cabinet is provided with a panel and a touch screen, a main power supply automatic circuit breaker, a transformer, a variable frequency speed regulator, an alternating current contactor, a voltage converter and a PLC (programmable logic controller) are arranged in the inspection cabinet, a fire-fighting linkage controller and a fire-fighting water pump are arranged in the fire-fighting power distribution cabinet, the fire-fighting linkage controller is connected with the PLC, a pump motor of the fire-fighting water pump is connected with the variable frequency speed regulator, the output frequency of the variable frequency speed regulator is low-frequency adjustable frequency below 30Hz, the detected fire-fighting water pump is respectively supplied with power at low frequency through the alternating current contactor under the control of the PLC, the fire-fighting water pump runs at low speed according to a set period, the purpose of inspection is achieved, the touch screen is used for setting the inspection period and time of the fire-fighting water pump, the working, and finishing memorizing the transient parameters during the fault.
Further, the panel includes digital display ampere meter, digital display voltmeter, patrols and examines signal lamp and trouble buzzer to and manual/automatic selector switch, manual button of patrolling and examining, stop to patrol and examine the button.
Specifically, the automatic inspection control equipment of the embodiment is mainly used for daily inspection of the fire pump of the fire system of the enterprise and public institution, so that the automatic inspection of the fire pump is realized, and the fire pump is kept in a reliable running state for a long time through automatic inspection; the low-frequency routing inspection is adopted, the rotating speed of a pump motor is 300 revolutions per minute during routing inspection, a water system is not pressurized and has no starting current, the service life of equipment is greatly prolonged, the routing inspection mode is high in safety, low in current and low in power consumption and meets the requirements of industrial standards, when the system is used, the environmental temperature is required to be 0 ℃ to +40 ℃, the environmental humidity is required to be 0-9% and has no condensation, the environment does not contain corrosive, oily, dust and combustible gas, ventilation is good, and direct irradiation of sunlight is avoided.
Specifically, the automatic inspection control equipment of the embodiment adopts a three-phase 380V rated voltage and a 66A rated current, the inspection maximum power of a single fire pump is 37kW, the working process is shown in FIG. 6, after a main power switch is switched on, a worker sets parameters of the fire pump on a touch screen, as shown in FIG. 7, an inspection period and time are set, the inspection period is 1-30 days and is adjustable, and the inspection running time of each fire pump is 0-20 minutes and is adjustable; selecting a polling mode, wherein in the manual mode, a single fire pump needs to be polled in sequence, and the corresponding manual polling button is pressed, so that the corresponding fire pump can realize low-speed polling, and then the manual stop button is pressed, so that the water pump stops rotating; in the automatic mode, the system runs according to the set polling period and time, a power indicator lamp and an ammeter on a panel display, a variable frequency speed regulator is electrified, and a touch screen displays a control interface and a working state, as shown in fig. 8; after the automatic polling period is reached, each fire pump is automatically polled in sequence, an indicator light of the corresponding fire pump is on when polling operation is carried out, automatic polling is stopped when polling is stopped, the next period is entered after all the fire pumps are automatically polled, timing is continued, and meanwhile, the touch screen has a data memory function and can be used for short-term information inquiry, as shown in fig. 9; the fire-fighting control system can also receive a fire-fighting signal, an external fault signal, a pressure exceeding signal and a manual stop signal of the fire-fighting power distribution cabinet in an automatic mode; in order to guarantee the reliable operation of equipment and the fire control switch board of patrolling and examining, the interlocking circuit has been set up in the equipment, can cut off the fire control water pump when patrolling and examining the equipment operation, then stop patrolling and examining the equipment at once when needs fire control, start the fire control switch board, when taking place the fire alarm promptly, the fire control linkage control ware that sets up in the fire control switch board receives the fire control order after, send signal gives the PLC controller of patrolling and examining in the cabinet, stop work is patrolled and examined in the control, simultaneously, feedback stop signal gives the fire control switch board, the fire. The automatic inspection control equipment of the embodiment has the protection functions of overvoltage, undervoltage, phase failure and the like, is provided with an inspection signal lamp and a fault buzzer, and can give an audible and visual alarm in time when a fault occurs so as to prevent other accidents.
The automatic fire pump inspection control equipment can realize periodic automatic inspection and manual inspection of a single fire pump, is selected according to actual conditions, and can also stop automatic inspection in time when a fire alarm occurs, respond to a fire signal of a fire power distribution cabinet in time and start the fire pump to extinguish the fire.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalents and improvements made by those skilled in the art within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides an automatic controlgear's of patrolling and examining electrical control circuit of fire pump, includes switch circuit, its characterized in that: the fire-fighting linkage control system further comprises a main loop, a PLC control loop, a fire-fighting linkage control loop and an indication loop, wherein the main loop is connected with the PLC control loop and the indication loop, and the PLC control loop is connected with the fire-fighting linkage control loop;
the main loop comprises a working circuit, a digital display control circuit and a power supply conversion circuit, wherein the working circuit and the digital display control circuit are both connected with the power supply conversion circuit, and the working circuit is connected with the digital display control circuit;
the PLC control circuit comprises a PLC controller and a human-computer interface which are connected with each other, the PLC controller and the human-computer interface are both connected with the power supply conversion circuit, and the PLC controller is connected with the working circuit;
the fire-fighting linkage control loop comprises a fire-fighting linkage controller, and the fire-fighting linkage controller is connected with the PLC;
the indication circuit comprises a patrol inspection signal lamp connected with the main circuit and the fire-fighting linkage control circuit.
2. The electric control circuit of the automatic fire pump inspection control equipment according to claim 1, characterized in that: the working circuit comprises a transformer, a variable frequency speed regulator, an alternating current contactor and a plurality of fire pump motors which are connected in sequence.
3. The electric control circuit of the automatic fire pump inspection control equipment according to claim 2, characterized in that: the digital display control circuit comprises a digital display ammeter, a digital display voltmeter and a protection relay which are connected with the working circuit, and the protection relay is connected with the digital display voltmeter.
4. The electric control circuit of the automatic fire pump inspection control equipment according to claim 2, characterized in that: the power supply conversion circuit comprises a voltage converter connected with the working circuit and the digital display control circuit.
5. The electric control circuit of the automatic fire pump inspection control equipment according to claim 2, characterized in that: the PLC is connected with the variable-frequency speed regulator of the working circuit to control the operation of the motor of the fire pump.
6. The electric control circuit of the automatic fire pump inspection control equipment according to claim 5, characterized in that: the PLC controller adopts a Siemens CPUSR20 module, and the human-computer interface adopts a touch screen and is used for setting the polling period and time.
7. The utility model provides an automatic controlgear that patrols and examines of fire pump which characterized in that: the fire pump automatic inspection control equipment based on the electrical control circuit of claim 1 comprises an inspection cabinet and a fire-fighting power distribution cabinet which are connected with each other, wherein a panel and a touch screen are arranged on the surface of the inspection cabinet, a main power automatic circuit breaker, a transformer, a variable-frequency speed regulator, an alternating current contactor, a voltage converter and a PLC (programmable logic controller) are arranged inside the inspection cabinet, a fire-fighting linkage controller and a fire-fighting water pump are arranged in the fire-fighting power distribution cabinet, the fire-fighting linkage controller is connected with the PLC, and a pump motor of the fire-fighting water pump is connected with the variable.
8. The automatic fire pump inspection control equipment according to claim 7, wherein: the panel comprises a digital display ammeter, a digital display voltmeter, an inspection signal lamp, a fault buzzer, a manual/automatic selection switch, a manual inspection button and a stop inspection button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010499543.8A CN111773603A (en) | 2020-06-04 | 2020-06-04 | Automatic fire pump inspection control equipment and electric control circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010499543.8A CN111773603A (en) | 2020-06-04 | 2020-06-04 | Automatic fire pump inspection control equipment and electric control circuit thereof |
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| Publication Number | Publication Date |
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| CN111773603A true CN111773603A (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010499543.8A Pending CN111773603A (en) | 2020-06-04 | 2020-06-04 | Automatic fire pump inspection control equipment and electric control circuit thereof |
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| AU2003257610A1 (en) * | 2002-09-27 | 2004-04-19 | Taisei Kako Co., Ltd. | Apparatus and method for inspecting spray pump |
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| CN103206365A (en) * | 2013-03-06 | 2013-07-17 | 深圳市泰永电气科技有限公司 | Fire control system with power supply conversion and inspection functions |
| CN203494089U (en) * | 2013-09-03 | 2014-03-26 | 上海人民企业集团水泵有限公司 | Digital low-frequency automatic fire control patrolling control cabinet |
| CN207976756U (en) * | 2018-01-30 | 2018-10-16 | 上海连成（集团）有限公司 | A kind of fire protection patrol control system |
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2020
- 2020-06-04 CN CN202010499543.8A patent/CN111773603A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003257610A1 (en) * | 2002-09-27 | 2004-04-19 | Taisei Kako Co., Ltd. | Apparatus and method for inspecting spray pump |
| CN102120072A (en) * | 2011-03-15 | 2011-07-13 | 镇江市欧菱电气自动化系统设备有限公司 | Control and polling inspection integrated electrical system of fire pump group |
| CN103206365A (en) * | 2013-03-06 | 2013-07-17 | 深圳市泰永电气科技有限公司 | Fire control system with power supply conversion and inspection functions |
| CN203494089U (en) * | 2013-09-03 | 2014-03-26 | 上海人民企业集团水泵有限公司 | Digital low-frequency automatic fire control patrolling control cabinet |
| CN207976756U (en) * | 2018-01-30 | 2018-10-16 | 上海连成（集团）有限公司 | A kind of fire protection patrol control system |
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Application publication date: 20201016 |