CN206035782U - Tank wagon pump control method , system and plate making of tank wagon pump control - Google Patents
Tank wagon pump control method , system and plate making of tank wagon pump control Download PDFInfo
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- CN206035782U CN206035782U CN201621068563.5U CN201621068563U CN206035782U CN 206035782 U CN206035782 U CN 206035782U CN 201621068563 U CN201621068563 U CN 201621068563U CN 206035782 U CN206035782 U CN 206035782U
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- tank car
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- gate chip
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Abstract
The embodiment of the utility model provides a tank wagon pump control method, system and plate making of tank wagon pump control includes control chip, adjusting core piece or gate chip, tank wagon pump control system component and transmission antenna. When leading to the unable operation of tank wagon pump owing to tank wagon pump control system element fault, the transmission antenna of tank wagon pump control system device receives user's operating instruction to transmission antenna transmits the piece to adjusting core with operating instruction. The adjusting core piece is received and assay operating instruction to that output high level as a result to the system of the tank wagon pump control with the trouble component that obtains according to the analysis corresponds or gate chip so that or gate chip's output still can the output high level under the tank wagon pump control system element fault's that corresponds the condition so that the tank wagon pump can continue to move. The embodiment of the utility model provides a tank wagon pump control method, system and plate making of tank wagon pump control has improved the current problem that maintenance efficiency is low, with high costs.
Description
Technical field
The utility model is related to pressure vessel and equipment field, in particular to a kind of tank car apparatus for controlling pump, system and
Tank car pump control panel.
Background technology
Tank car, also known as tank truck, is a kind of vehicle that can use storage tank transporting liquid nitrogen liquid oxygen or petroleum derivative.Tank car
Pump, the article stored in can playing a part of the storage tank by tank car are exported in the storage tank of user.
Existing tank car pump is often controlled according to the control algolithm for pre-setting by the tank car pump switch board positioned at tank car
System.When because tank car jolting under steam, causing to occur wiring faults and element fault, (such as temperature sensor or pressure are passed
Sensor breaks down) when, tank car pump can be caused normally cannot to use.And as driver cannot accurate failure judgement reason so that
The failure of non-tank car pump itself cannot be ascertained in time and exclude.Even if urgent referral maintenance personal be on the scene, will also result in
Time and it is artificial on waste, cause that maintenance efficiency is low, high cost problem.
Utility model content
In view of this, the utility model embodiment provides a kind of tank car apparatus for controlling pump, system and tank car pump control panel,
Cannot be ascertained in time and exclude with the failure for improving existing non-tank car pump itself, cause that maintenance efficiency is low, high cost ask
Topic.
The utility model provides a kind of tank car apparatus for controlling pump, including control chip, adjusts chip, at least one OR gate
Chip, at least one tank car pump control element and transmission antenna.The quantity of at least one OR gate chip with it is described at least
The quantity of one tank car pump control element is identical.Each at least one OR gate chip include first input end, the
Two inputs and output end.The first input end of each at least one OR gate chip adjusts the defeated of chip with described
Go out end to be connected, the second input of each at least one OR gate chip respectively with corresponding tank car pump control element
Output end be connected, the output end of each at least one OR gate chip is connected with the input of the control chip
Connect, the transmission antenna is connected with the input for adjusting chip.
The utility model additionally provides a kind of tank car pump control system, and the system includes server, tank car pump, user's end
End and above-mentioned tank car apparatus for controlling pump.The tank car apparatus for controlling pump is connected with the tank car pump, the tank car pump control
Device processed is coupled with the server, and the server is coupled with the user terminal.The tank car apparatus for controlling pump is used
In by tank car pump control data by transmit antenna send to the server.The server is used for recording the tank car pump control
Data processed, and the tank car pump control data is sent to the user terminal.The user terminal is for due to non-tank car
When failure of pump causes the tank car pump run, the operational order of receive user, and the operational order is sent to described
Server.The server is used for receiving the operational order, and the operational order is sent to tank car pump control dress
Put, so that the tank car apparatus for controlling pump is processed to the non-tank car failure of pump.
The utility model additionally provides a kind of tank car pump control panel, the tank car pump control panel include power supply monitoring module,
Power supply, relay, DIP switch, touch-screen port and above-mentioned control chip.The control chip respectively with the power supply
Monitoring modular, power supply, relay, DIP switch and touch-screen port are connected.The power supply also with the power supply monitoring mould
Block, relay, DIP switch and touch-screen port are connected.
Tank car apparatus for controlling pump that the utility model embodiment is provided, system and tank car pump control panel have the beneficial effect that：
Tank car apparatus for controlling pump that the utility model embodiment is provided, system and tank car pump control panel include control chip,
Adjust chip, OR gate chip, tank car pump control element and transmission antenna.When causing tank car due to tank car pump control element failure
When pump cannot run, the operational order of the transmission antenna receive user of tank car apparatus for controlling pump, and transmit antenna operation is referred to
Order is transferred to adjust chip.Regulation chip is received and analysis operation instruction, and the result obtained according to analysis exports high level extremely
OR gate chip corresponding with the tank car pump control element of failure, so that the output end of OR gate chip is in corresponding tank car pump control unit
High level can be still exported in the case of part failure, so that tank car pump can continue to operation.Therefore the utility model embodiment is carried
For tank car apparatus for controlling pump, system and tank car pump control panel can make tank car pump control element of the maintenance personal remotely to failure
Bypass process is carried out, so that tank car pump can be still run when non-tank car pump failure itself occurs, existing dimension is improved
Shield efficiency is low, high cost problem.
Description of the drawings
For clearer explanation the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structured flowchart of the tank car apparatus for controlling pump that the utility model embodiment is provided；
Fig. 2 is a kind of structural frames of specific embodiment of the tank car apparatus for controlling pump that the utility model embodiment is provided
Figure；
Fig. 3 is the structural representation of the tank car pump control system that the utility model embodiment is provided；
Fig. 4 is the structured flowchart of the tank car pump control panel that the utility model embodiment is provided.
Icon：10- tank car apparatus for controlling pump；100- control chips；200- OR gate chips；210- the first OR gate chips；
220- the second OR gate chips；The 3rd OR gate chips of 230-；The 4th OR gate chips of 240-；The 5th OR gate chips of 250-；300- tank cars
Pump control element；310- main circuit breakers；320- temperature sensors；330- motor temperature protectors；340- pump discharge differential pressures are opened
Close；350- frequency converters；400- adjusts chip；500- transmits antenna；20- tank car pump control systems；610- servers；620- tank cars
Pump；630- user terminals；640- networks；30- tank car pump control panels；710- power supply monitoring modules；720- power supplys；730- relays
Device；740- DIPs are switched；750- touch-screens port；760- On-off signals end；770- output switch parameters end；780- analog quantitys are defeated
Enter end.
Specific embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than the reality of whole
Apply example.The detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit claimed sheet below
The scope of utility model, but it is merely representative of selected embodiment of the present utility model.Based on embodiment of the present utility model, ability
The every other embodiment obtained on the premise of creative work is not made by field technique personnel, belongs to the utility model
The scope of protection.
Details refer to Fig. 1, and Fig. 1 shows the tank car apparatus for controlling pump 10 that the utility model embodiment is provided.The tank car
Apparatus for controlling pump 10 includes control chip 100, OR gate chip 200, tank car pump control element 300, regulation chip 400 and transmission
Antenna 500.OR gate chip 200 includes first input end, the second input and output end, the first input of OR gate chip 200
Hold and be connected with the output end for adjusting chip 400, the second input of OR gate chip 200 is defeated with tank car pump control element 300
Go out end to be connected, the output end of OR gate chip 200 is connected with the input of control chip 100.Adjust the input of chip 400
It is connected with transmission antenna 500.
Details refer to Fig. 2, OR gate chip 200 can specifically include the first OR gate chip 210, the second OR gate chip 220,
3rd OR gate chip 230, the 4th OR gate chip 240 and the 5th OR gate chip 250.Tank car pump control element 300 specifically can be with
Including main circuit breaker 310, temperature sensor 320, motor temperature protector 330, pump discharge differential pressure switch 340 and frequency converter
350。
The first input end of the first OR gate chip 210 is connected with the output end for adjusting chip 400, the first OR gate chip
210 the second input is connected with the output end of main circuit breaker 310, the output end of the first OR gate chip 210 and control chip
100 input is connected.
Main circuit breaker 310 can close, carry and disconnect the electric current under normal loop condition, and main circuit breaker 310 is also
Can close, carry and disconnect the electric current under abnormal loop condition within the time of regulation, be a kind of switching device.Normal loop
Condition refers to the situation of each element normal operation in circuit, and abnormal loop condition has the feelings of element fault in then referring to circuit
Condition.When 310 normal operation of main circuit breaker, the output end of main circuit breaker 310 exports high level to the of the first OR gate chip 210
Two inputs.
The first input end of the second OR gate chip 220 is connected with the output end for adjusting chip 400, the second OR gate chip
220 the second input is connected with the output end of temperature sensor 320, output end and the control core of the second OR gate chip 220
The input of piece 100 is connected.
Temperature sensor 320 is used for the temperature value of the pump discharge temperature for detecting tank car pump 620, for example, when temperature value is less than
During predetermined temperature (such as -135 DEG C), the output end of temperature sensor 320 exports high level to the second of the second OR gate chip 220
Input.
The first input end of the 3rd OR gate chip 230 is connected with the output end for adjusting chip 400, the 3rd OR gate chip
230 the second input is connected with the output end of motor temperature protector 330, the output end of the 3rd OR gate chip 230 with
The input of control chip 100 is connected.
Motor temperature protector 330 includes the thermal resistor for being arranged at motor, when temperature exceedes certain numerical value (for example
145 DEG C) when, thermal resistor resistance increase so that motor temperature protector 330 disconnects.If temperature is not less than certain numerical value
(such as 145 DEG C), then motor temperature protector 330 is closed.When motor temperature protector 330 is closed, motor temperature is protected
The output end of protection unit 330 can export the second input of high level to the 3rd OR gate chip 230.
The first input end of the 4th OR gate chip 240 is connected with the output end for adjusting chip 400, the 4th OR gate chip
240 the second input is connected with the output end of pump discharge differential pressure switch 340, the output end of the 4th OR gate chip 240 and control
The input of coremaking piece 100 is connected.
When tank car pump 620 just brings into operation, the pressure reduction of the outlet of tank car pump 620 is less, and after operation a period of time, pressure reduction reaches
Certain numerical value.For example after operation a period of time, pressure reduction can reach 16 kilograms, and now pump discharge differential pressure switch 340 is closed.If
After operation a period of time, pressure reduction is less than ten kilograms, then pump discharge differential pressure switch 340 disconnects.When pump discharge differential pressure switch 340 is closed
When, the output end of pump discharge differential pressure switch 340 exports the second input of high level to the 4th OR gate chip 240.
The first input end of the 5th OR gate chip 250 is connected with the output end for adjusting chip 400, the 5th OR gate chip
250 the second input is connected with the output end of frequency converter 350, output end and the control chip 100 of the 5th OR gate chip 250
Input be connected.
Frequency converter 350 is worked by way of signal frequency controlling the Electric control of ac motor by changing motor
Equipment, frequency converter 350 by inside insulated gate bipolar transistor (Insulated Gate Bipolar Transistor,
IGBT break-make) come adjust output electric signal voltage and frequency, being actually needed come the electricity needed for providing motor according to motor
720 voltage of source.When 350 normal operation of frequency converter, the output end of frequency converter 350 exports high level to the 5th OR gate chip 250
The second input.
The operation principle of tank car apparatus for controlling pump 10 that the utility model embodiment is provided is：When tank car pump control element
During 300 failure, the output end of tank car pump control element 300 no longer exports the second input of high level to OR gate chip 200, then
The output end of OR gate chip 200 exports low level to control chip 100, so as to cause tank car pump 620 run.
Transmission antenna 500 can with the operational order of receive user, and transmit antenna 500 by operational order be transferred to adjust
Chip 400, adjusts chip 400 and receives and analysis operation instruction, and according to the result of analysis, export high level to the groove with failure
300 corresponding OR gate chip 200 of car pump control element, so that the output end of OR gate chip 200 is in corresponding tank car pump control unit
Part 300 can still export high level to control chip 100 in the case of sending failure, so that tank car pump 620 can be after
Reforwarding row.
For example, details refer to Fig. 2, when 320 failure of temperature sensor, even if the pump discharge temperature of tank car pump 620
Temperature value is less than predetermined temperature (such as -135 DEG C), and temperature sensor 320 cannot still export high level to the second OR gate chip
220, may result in the second OR gate chip 220 high level cannot be exported to control chip 100, control chip 100 is less than in temperature
During predetermined temperature, tank car pump 620 is not still allowed to run.
The operational order of transmission 500 receive user of antenna, and operational order is transferred to adjust chip 400.Adjust chip
400 receive and analysis operation instruction, according to the result of analysis, export the first input end of high level to the second OR gate chip 220,
So that the output end of the second OR gate chip 220 exports high level to control chip 100, so that tank car pump 620 can continue to
Operation.
Details refer to Fig. 3, and Fig. 3 shows the tank car pump control system 20 that the utility model embodiment is provided, the system
Including above-mentioned tank car apparatus for controlling pump 10, also including server 610, tank car pump 620, and user terminal 630.Tank car pump control
Device processed 10 is connected with tank car pump 620, and tank car apparatus for controlling pump 10 is coupled with server 610, server 610 and user's end
Point is coupled.Server 610 is communicated to connect with tank car apparatus for controlling pump 10 and user terminal 630 especially by network 640.
The tank car apparatus for controlling pump 10 is sent to the service for tank car pump control data is passed through transmission antenna 500
Device 610.
Tank car pump control data specifically can include temperature data, pressure data, the accumulated running time of tank car pump 620,
The current value and magnitude of voltage of the motor of 620 operation of nearest maintenance dates and control tank car pump of 620 corresponding tank car of tank car pump
Deng.Wherein, temperature data is specifically as follows the numerical value of the outlet temperature of tank car pump 620, and pressure data is specially tank car pump 620
The numerical value of outlet pressure.
The server 610 is used for recording the tank car pump control data, and by the tank car pump control data send to
The user terminal 630.
The user terminal 630 for due to non-tank car failure of pump causes the tank car pump 620 run when, receive
The operational order of user, and the operational order is sent to the server 610.
When tank car pump 620 cannot be run due to non-tank car failure of pump, tank car apparatus for controlling pump 10 can send alarm signal
Number to server 610, so that server 610 sends to user terminal 630 alarm signal to remind maintenance personal to check tank car
Pump control data.
Maintenance personal is referred to by 630 input operation of user terminal after the reason for causing tank car pump 620 out of service is learnt
Order.
The server 610 is used for receiving the operational order, and the operational order is sent to the tank car pump control
Device processed 10, so that the non-tank car failure of pump of the tank car apparatus for controlling pump 10 pairs is processed.
Tank car apparatus for controlling pump 10 is not just repeated to the process here processed by non-tank car failure of pump.
The tank car pump control system 20 that the utility model embodiment is provided can obtain groove when tank car pump 620 needs operation
Car pump control data, and tank car pump control data is sent to user terminal 630.And tank car pump 620 is being caused due to failure
When cannot run, alarm signal is sent to user terminal 630 to remind maintenance personal to look into failure by user terminal 630
See and analyze.Maintenance personal after analysis, can be entered the operating instructions by user terminal 630 with to above-mentioned failure
Reason.The tank car pump control system 20 that the utility model embodiment is provided can be realized finding out fault remote and excluding so that dimension
Shield efficiency is uprised, maintenance cost step-down.
Details refer to Fig. 4, and Fig. 4 shows the tank car pump control panel 30 that the utility model embodiment is provided.The tank car pump
Control panel 30 includes power supply monitoring module 710, power supply 720, relay 730, DIP switch 740, touch-screen port 750, switch
Amount input 760, output switch parameter end 770, analog input end 780 and above-mentioned control chip 100.
The control chip 100 is switched with the power supply monitoring module 710, power supply 720, relay 730, DIP respectively
740th, touch-screen port 750, On-off signal end 760, output switch parameter end 770 and analog input end 780 are connected.Institute
State power supply 720 to be also connected with the power supply monitoring module 710 and relay 730.
Power supply monitoring module 710 is sent the phase sequence of 380V power supplys to control chip 100 by holding wire, so that control core
The control phase sequence selector (not shown) of piece 100 keeps the rotation direction of the motor for driving tank car pump 620.Power supply 720 is for whole
Individual tank car pump control panel 30 is powered.DIP switch 740 is used for switching the control model of tank car pump 620, and DIP switch 740 specifically may be used
Run under contactor pattern or under frequency converter model with controlling tank car pump 620.Touch-screen port 750 is for connecting with touch-screen
Connect, tank car pump control data can be shown.The driver of tank car can also be configured to tank car pump control data by touch-screen.
Tank car apparatus for controlling pump 10, tank car pump control system 20 and tank car pump control panel that the utility model embodiment is provided
30 include control chip 100, adjust chip 400, OR gate chip 200, tank car pump control element 300 and transmission antenna 500.When
When causing tank car pump 620 run due to 300 failure of tank car pump control element, the transmission antenna of tank car apparatus for controlling pump 10
The operational order of 500 receive users, and transmit antenna 500 by operational order be transferred to adjust chip 400.Adjust chip 400
Receive and analysis operation instruction, and the result obtained according to analysis exports high level to the tank car pump control element 300 with failure
Corresponding OR gate chip 200, so that situation of the output end of OR gate chip 200 in corresponding 300 failure of tank car pump control element
Under can still export high level so that tank car pump 620 can continue to operation.Therefore the tank car pump that the utility model embodiment is provided
Control device 10, tank car pump control system 20 and tank car pump control panel 30 can make tank car pump control of the maintenance personal remotely to failure
Element processed 300 carries out bypass process, so that tank car pump 620 can be still run when non-tank car pump failure itself occurs, changes
It has been apt to that existing maintenance efficiency is low, high cost problem.
For making purpose, technical scheme and the advantage of the utility model embodiment clearer, above in conjunction with the utility model
Accompanying drawing in embodiment, is clearly and completely described to the technical scheme in the utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than the embodiment of whole.Generally described in accompanying drawing herein and
The component of the utility model embodiment for illustrating can be arranged and be designed with a variety of configurations.
Therefore, the detailed description of of the present utility model embodiment of the above to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then in subsequent accompanying drawing which further need not be defined and is explained.
In description of the present utility model, it should be noted that the term of the orientation for indicating or position relationship is based on attached
Orientation or position relationship shown in figure, or the utility model product using when the orientation usually put or position relationship, only
It is to describe for the ease of describing the utility model and simplifying, rather than indicates or imply that the device or element of indication there must be spy
Fixed orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
Claims (10)
1. a kind of tank car apparatus for controlling pump, it is characterised in that including control chip, adjust chip, at least one OR gate chip, to
A few tank car pump control element and transmission antenna,
The quantity of at least one OR gate chip is identical with the quantity of at least one tank car pump control element, it is described at least
Each in one OR gate chip includes first input end, the second input and output end,
The first input end of each at least one OR gate chip is connected with the output end for adjusting chip, described
The second input of each at least one OR gate chip is connected with the output end of corresponding tank car pump control element respectively,
The output end of each at least one OR gate chip is connected with the input of the control chip, the transmission antenna
It is connected with the input for adjusting chip.
2. device according to claim 1, it is characterised in that at least one tank car pump control element includes main open circuit
Device, at least one OR gate chip include the first OR gate chip,
The first input end of the first OR gate chip is connected with the output end for adjusting chip, the first OR gate chip
The second input be connected with the output end of the main circuit breaker, the output end of the first OR gate chip and the control core
The input of piece is connected.
3. device according to claim 1, it is characterised in that at least one tank car pump control element also includes temperature
Sensor, at least one OR gate chip include the second OR gate chip,
The first input end of the second OR gate chip is connected with the output end for adjusting chip, the second OR gate chip
The second input be connected with the output end of the temperature sensor, output end and the control of the second OR gate chip
The input of chip is connected.
4. device according to claim 1, it is characterised in that at least one tank car pump control element also includes motor
Temperature protective device, at least one OR gate chip include the 3rd OR gate chip,
The first input end of the 3rd OR gate chip is connected with the output end for adjusting chip, the 3rd OR gate chip
The second input be connected with the output end of the motor temperature protector, the output end of the 3rd OR gate chip and institute
The input for stating control chip is connected.
5. device according to claim 1, it is characterised in that at least one tank car pump control element also includes pumping out
Mouth differential pressure switch, at least one OR gate chip include the 4th OR gate chip,
The first input end of the 4th OR gate chip is connected with the output end for adjusting chip, the 4th OR gate chip
The second input be connected with the output end of the pump discharge differential pressure switch, the output end of the 4th OR gate chip with it is described
The input of control chip is connected.
6. device according to claim 1, it is characterised in that at least one tank car pump control element also includes frequency conversion
Device, at least one OR gate chip include the 5th OR gate chip,
The first input end of the 5th OR gate chip is connected with the output end for adjusting chip, the 5th OR gate chip
The second input be connected with the output end of the frequency converter, the output end of the 5th OR gate chip and the control chip
Input be connected.
7. a kind of tank car pump control system, it is characterised in that the system includes server, tank car pump, user terminal and such as
Tank car apparatus for controlling pump described in any one of claim 1 to 6, the tank car apparatus for controlling pump are connected with the tank car pump,
The tank car apparatus for controlling pump is coupled with the server, and the server is coupled with the user terminal,
The tank car apparatus for controlling pump for by tank car pump control data by transmit antenna send to the server；
The server is used for recording the tank car pump control data, and the tank car pump control data is sent to the user
Terminal；
The user terminal for due to non-tank car failure of pump causes the tank car pump run when, the operation of receive user
Instruction, and the operational order is sent to the server；
The server is used for receiving the operational order, and the operational order is sent to the tank car apparatus for controlling pump,
So that the tank car apparatus for controlling pump is processed to the non-tank car failure of pump.
8. system according to claim 7, it is characterised in that the transmission of the server and the tank car apparatus for controlling pump
Antenna is coupled.
9. a kind of tank car pump control panel, it is characterised in that the tank car pump control panel includes power supply monitoring module, power supply, relay
Device, DIP switch, touch-screen port and the control chip as described in any one of claim 1 to 6,
The control chip is connected with the power supply monitoring module, power supply, relay, DIP switch and touch-screen port respectively
Connect,
The power supply is also connected with the power supply monitoring module and relay.
10. tank car pump control panel according to claim 9, it is characterised in that also defeated including On-off signal end, switching value
Go out end and analog input end,
The control chip is connected with the On-off signal end, output switch parameter end and analog input end respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068563.5U CN206035782U (en) | 2016-09-21 | 2016-09-21 | Tank wagon pump control method , system and plate making of tank wagon pump control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068563.5U CN206035782U (en) | 2016-09-21 | 2016-09-21 | Tank wagon pump control method , system and plate making of tank wagon pump control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035782U true CN206035782U (en) | 2017-03-22 |
Family
ID=58296069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621068563.5U Active CN206035782U (en) | 2016-09-21 | 2016-09-21 | Tank wagon pump control method , system and plate making of tank wagon pump control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206035782U (en) |
-
2016
- 2016-09-21 CN CN201621068563.5U patent/CN206035782U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |