Shield electric pump intelligent control cabinet for truck loading

Abstract

The utility model belongs to the technical field of control cabinets, and particularly relates to a canned motor pump intelligent control cabinet for loading, which comprises an intelligent control cabinet body, and the intelligent control cabinet body comprises a canned motor pump, a canned motor pump special control cabinet and a user side. When the canned motor pump operates, each transmitter module can be used for monitoring pressure, temperature, flow, vibration and bearing abrasion in real time, and meanwhile, the HMI module is used for setting operation control parameters of the canned motor pump, such as set frequency, accumulated flow and alarm set values of all monitoring items. When a monitoring value reaches an alarm value, the standby pump is automatically switched, various operation data can be stored, data changes are compared within a period of time, possible hidden fault dangers are judged, a user is prompted to check and maintain in time, and the reliability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to control cabinet technical field, concretely is a shielding electric pump intelligent control cabinet for loading. BACKGROUND

[0002] The shielding electric pump is a kind of leakage-free pump, is used to transport corrosive, harmful to human (such as toxic, radioactive), flammable and explosive and expensive or other special liquid.Electric motor and pump are made into an integrated whole, and the inner cavity of electric motor and the outer circle of rotor are respectively embedded with shielding sleeve, and the liquid transported is filled between the two sets.

[0003] Through the retrieval, the utility model patent with disclosure number CN205744506U discloses a shielding electric pump control system, bypass circuit is located at the input and output line end of frequency converter and is equipped with two isolation knife switches, and the input and output line end of frequency converter is respectively connected with the isolation knife switch and has vacuum contactor in series, bypass circuit one end is connected with high-voltage power grid, and at least one vacuum contactor loop is arranged in parallel with the isolation knife switch and vacuum contactor in bypass loop, and vacuum contactor loop is connected with shielding electric pump;The shielding electric pump control system has starting, stopping, frequency conversion speed control and voltage, current indication function.Can complete the basic function of shielding electric pump control.

[0004] But common shielding pump for loading is one use one spare, ordinary control cabinet has the start-stop function and basic parameter monitoring of single pump, but cannot judge whether pump exists hidden danger according to the state of pump operation, and the distance from central control room to the scene is generally far, when pump breaks down suddenly, cannot be switched in time, and the working condition with one-time loading requirement is difficult to deal with, causes unnecessary loss.Therefore, it needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a shielding electric pump intelligent control cabinet for loading, solve the problem that prior art cannot predict the possibility of failure, and easily lead to user loss due to equipment sudden failure.

[0006] To achieve the above object, the utility model provides the following technical scheme: a shielding electric pump intelligent control cabinet for loading, including intelligent control cabinet body, the intelligent control cabinet body includes shielding electric pump, shielding pump special control cabinet and user side.

[0007] Preferably, the shielding electric pump includes temperature transmitter module, pressure transmitter module, vibration transmitter module, flow transmitter module and bearing wear transmitter module, and the temperature transmitter module, pressure transmitter module, vibration transmitter module, flow transmitter module and bearing wear transmitter module are connected in series through wires.

[0008] Also include shield pump body one and shield pump body two, the parallel line of shield pump body one and shield pump body two is connected through wire.The shield electric pump runs and utilizes each transmitter film can carry out real-time monitoring to pressure, temperature, flow, vibration, bearing wear.

[0009] Preferably, the parallel line of shield pump body one and shield pump body two is connected in series with the parallel line of temperature transmitter module, pressure transmitter module, vibration transmitter module, flow transmitter module and bearing wear transmitter module.Shield pump body one and shield pump body two double pump design, can one use one spare.

[0010] Preferably, the shield pump special control cabinet includes PLC module, frequency converter module and I / O module, the PLC module is connected in series with frequency converter module and I / O module, and the frequency converter module is connected in series with the parallel line of shield pump body one and shield pump body two.

[0011] Also include HMI module, the HMI module is connected in series with PLC module through wire.Using HMI module sets the control parameter of shield electric pump operation, such as setting frequency, cumulative flow and the alarm setting value of each monitoring item, when monitoring value reaches alarm value, automatically switches standby pump.

[0012] Preferably, the temperature transmitter module, pressure transmitter module, vibration transmitter module, flow transmitter module and bearing wear transmitter module are connected in series with I / O module through wire.Through I / O module storage operation data, aspect user understands the historical operation condition of pump, is favorable for fault reason judgment.

[0013] Preferably, the user side includes other equipment interlock point module and DCS control point module, and the other equipment interlock point module and DCS control point module are connected in series with I / O module through wire.Reserve and external interface are convenient for user interlock or remote control.

[0014] Compared with prior art, the utility model has the advantages of the following:

[0015] The shield electric pump of the utility model runs and utilizes each transmitter module can carry out real-time monitoring to pressure, temperature, flow, vibration, bearing wear, simultaneously using HMI module sets the control parameter of shield electric pump operation, such as setting frequency, cumulative flow and the alarm setting value of each monitoring item, when monitoring value reaches alarm value, automatically switches standby pump, and can store each operation data, compares data change in a period of time, judges possible fault hidden danger, prompts user to check maintenance in time, improves the reliability of device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is system module diagram of the utility model;

[0017] Figure 2 The utility model discloses a Figure 1 Shielded electric pump control loop circuit diagram;

[0018] Figure 3 The utility model discloses a Figure 1 Shielded electric pump main loop circuit diagram.

[0019] In the drawing: 1, shielded electric pump;11, temperature transmitter module;12, pressure transmitter module;13, vibration transmitter module;14, flow transmitter module;15, bearing wear transmitter module;16, shielded pump body one;17, shielded pump body two;2, shielded pump special control cabinet;21, PLC module;22, frequency converter module;23, I / O module;24, HMI module;3, user side;31, other equipment interlock point module;32, DCS control point module;123, intelligent control cabinet body. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-3 A shielded electric pump intelligent control cabinet for loading, which comprises an intelligent control cabinet body 123, and the intelligent control cabinet body 123 comprises a shielded electric pump 1, a shielded pump special control cabinet 2 and a user side 3.

[0022] Please refer to Figures 1-3 The shielded electric pump 1 comprises a temperature transmitter module 11, a pressure transmitter module 12, a vibration transmitter module 13, a flow transmitter module 14 and a bearing wear transmitter module 15, and the temperature transmitter module 11, the pressure transmitter module 12, the vibration transmitter module 13, the flow transmitter module 14 and the bearing wear transmitter module 15 are connected in series through wires. The shielded electric pump 1 further comprises a shielded pump body one 16 and a shielded pump body two 17, and the shielded pump body one 16 and the shielded pump body two 17 are connected in parallel through wires. When the shielded electric pump 1 is running, the real-time monitoring of pressure, temperature, flow, vibration and bearing wear can be realized by using various transmitter films. The parallel circuit of the shielded pump body one 16 and the shielded pump body two 17 is connected in series with the parallel circuit of the temperature transmitter module 11, the pressure transmitter module 12, the vibration transmitter module 13, the flow transmitter module 14 and the bearing wear transmitter module 15. The shielded pump body one 16 and the shielded pump body two 17 are designed as double pumps, and one of them can be used as a backup.

[0023] Please refer toFigures 1-3 The special control cabinet 2 for the shielded pump comprises a PLC module 21, a frequency converter module 22 and an I / O module 23, the PLC module 21 is connected in series with the frequency converter module 22 and the I / O module 23 through wires, the frequency converter module 22 is connected in series with the parallel connection lines of the shielded pump body one 16 and the shielded pump body two 17, and the special control cabinet 2 further comprises an HMI module 24, the HMI module 24 is connected in series with the PLC module 21 through wires. The HMI module 24 is used for setting control parameters of the shielded electric pump 1, such as setting frequency, cumulative flow and alarm setting values of each monitoring item, and when a monitoring value reaches an alarm value, the shielded pump body one 16 and the shielded pump body two 17 are automatically switched. The temperature transmitter module 11, the pressure transmitter module 12, the vibration transmitter module 13, the flow transmitter module 14 and the bearing wear transmitter module 15 are connected in series with the I / O module 23 through wires. The I / O module 23 is used for storing running data, so that a user can know historical running conditions of the pump and the fault cause can be judged.

[0024] Please refer to Figures 1-3 The user side 3 comprises other equipment interlocking point modules 31 and DCS control point modules 32, the other equipment interlocking point modules 31 and the DCS control point modules 32 are connected in series with the I / O module 23 through wires. External interfaces are reserved for the user to interlock or remotely control, in addition, the process pipeline of the user can exist interlocking control of equipment, and the intelligent control cabinet body 123 reserves the other equipment interlocking point modules 31, so that interlocking control can be performed when the shielded electric pump 1 fails.

[0025] The specific implementation process of the utility model is as follows:

[0026] Step one: when the shielded electric pump 1 runs, the temperature transmitter module 11, the pressure transmitter module 12, the vibration transmitter module 13, the flow transmitter module 14 and the bearing wear transmitter module 15 can be used for monitoring pressure, temperature, flow, vibration and bearing wear in real time.

[0027] Step two: the HMI module 24 is used for setting control parameters of the shielded electric pump 1, such as setting frequency, cumulative flow and alarm setting values of each monitoring item, and when a monitoring value reaches an alarm value, the shielded pump body one 16 and the shielded pump body two 17 are automatically switched.

[0028] Step three: the I / O module 23 is used for storing various running data, comparing data changes in a period of time, judging possible fault hidden dangers and prompting the user to check and maintain in time.

[0029] Step four: the process pipeline of the user can exist interlocking control of equipment, the intelligent control cabinet body 123 reserves the other equipment interlocking point modules 31, so that interlocking control can be performed when the shielded electric pump 1 fails.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A smart control cabinet for a vehicle-mounted shielded electric pump, comprising a smart control cabinet body (123), characterized in that: The intelligent control cabinet body (123) includes a shielded electric pump (1), a shielded pump dedicated control cabinet (2), and a user side (3). The shielded electric pump (1) includes a temperature transmitter module (11), a pressure transmitter module (12), a vibration transmitter module (13), a flow transmitter module (14), and a bearing wear transmitter module (15). The temperature transmitter module (11), pressure transmitter module (12), vibration transmitter module (13), flow transmitter module (14), and bearing wear transmitter module (15) are connected in series by wires. It also includes a shielded pump body one (16) and a shielded pump body two (17). The shielded pump body one (16) and the shielded pump body two (17) are connected in parallel by wires. The parallel line of the shielded pump body one (16) and the shielded pump body two (17) is connected in series with the parallel line of the temperature transmitter module (11), pressure transmitter module (12), vibration transmitter module (13), flow transmitter module (14), and bearing wear transmitter module (15). The dedicated control cabinet (2) for the shielded pump includes a PLC module (21), a frequency converter module (22), and an I / O module (23). The PLC module (21) is connected in series with the frequency converter module (22) and the I / O module (23) via wires. The frequency converter module (22) is connected in series with the parallel lines of the shielded pump body one (16) and the shielded pump body two (17). It also includes an HMI module (24). The HMI module (24) is connected in series with the PLC module (21) via wires. The temperature transmitter module (11), pressure transmitter module (12), vibration transmitter module (13), flow transmitter module (14), and bearing wear transmitter module (15) are connected in series with the I / O module (23) via wires. The user side (3) includes other equipment interlocking point module (31) and DCS control point module (32). The other equipment interlocking point module (31) and DCS control point module (32) are connected in series with I / O module (23) through wires.

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