CN209693132U - One kind destaticing system - Google Patents
One kind destaticing system Download PDFInfo
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- CN209693132U CN209693132U CN201822220822.7U CN201822220822U CN209693132U CN 209693132 U CN209693132 U CN 209693132U CN 201822220822 U CN201822220822 U CN 201822220822U CN 209693132 U CN209693132 U CN 209693132U
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Abstract
The utility model discloses one kind to destatic system, comprising: for supplying the gas circuit of air-flow;Discharge cell and high voltage power supply, discharge cell are electrically connected with high voltage power supply, and discharge cell is set in gas circuit;Control unit, gas pressure sensor and gas flow sensor, gas pressure sensor and gas flow sensor are electrically connected with control unit, and gas pressure sensor and gas flow sensor are all set in gas circuit;The gas flow that the air pressure and gas flow sensor that control unit is used to be detected according to gas pressure sensor detect, control high voltage power supply stops the power supply to discharge cell, may be implemented in air pressure that gas pressure sensor detects is too small and/or strength flow sensor detects gas flow it is too small when, control disconnects power supply of the high voltage power supply to discharge cell in time, avoid in gas circuit that air pressure is too small and/or gas flow it is too small cause powder be likely to contact discharge cell and caused by blast accident.
Description
Technical field
The utility model embodiment is related to static elimination technical field more particularly to one kind destatics system.
Background technique
In powder storage transport and during handling operation, electrostatic electrification phenomenon frequent occurrence, the flammable material of electrification
Burning and explosion can easily be caused with the accumulation of electrostatic.Electrostatic is timely and accurately monitored and eliminated, electrostatic research and powder are become
The highly important project of body transportation art.
It in the prior art, is to eliminate electrostatic using ion wind pipeline powder Xelminator (hereinafter referred to as consumer appliance)
A kind of conventional means ionizes air molecule, then blown negative ions by compressed air stream by applying high voltage to electrode needle
It is sent in pulverized coal feed pipe, realizes the elimination to powder electrostatic lotus.
Since consumer appliance uses high voltage corona discharge mode, ionized air generates negative ions, therefore to ensure powder not
It can touch in the electrode needle with high-voltage electricity, otherwise easily cause firing for powder;Thus the security control of consumer appliance just seems
It is particularly important.
Utility model content
The utility model provides one kind and destatics system, with the electrostatic generated during realization elimination powder conveying, and
Powder disconnects power supply of the high voltage power supply to discharge cell in time in the case where being likely to contact discharge cell, avoid firing danger
Generation.
In a first aspect, the utility model embodiment, which provides one kind, destatics system, comprising:
For supplying the gas circuit of air-flow;
Discharge cell and high voltage power supply, discharge cell are electrically connected with high voltage power supply, and discharge cell is set in gas circuit;
Control unit, gas pressure sensor and gas flow sensor, gas pressure sensor and gas flow pass
Sensor is electrically connected with control unit, and gas pressure sensor and gas flow sensor are all set in gas circuit;
Wherein, control unit is used to detect that air pressure and gas flow sensor detect according to gas pressure sensor
Gas flow, control power supply of the high voltage power supply to discharge cell.
It optionally, further include the current supply circuit being electrically connected with the power input of high voltage power supply and the first relay;First
The control terminal of relay is electrically connected with control unit, and the switch of the first relay is serially connected with current supply circuit.
It optionally, further include the second relay and third relay;
Gas pressure sensor and gas flow sensor include transducing signal output end and trigger signal output end;
The transducing signal output end of gas pressure sensor is electrically connected with control unit, the control terminal and gas of the second relay
The trigger signal output end of pressure sensor is electrically connected, and the switch of the second relay is serially connected with current supply circuit;
The transducing signal output end of gas flow sensor is electrically connected with control unit, the control terminal and gas of third relay
The trigger signal output end of body flow sensor is electrically connected, and the switch of third relay is serially connected with current supply circuit.
Optionally, destaticing system further includes switch, and switch is serially connected with current supply circuit.
Optionally, destaticing system further includes air-operated solenoid valve, and air-operated solenoid valve includes input terminal and output end;
The input terminal of air-operated solenoid valve connects for being passed through air-flow, the output end of air-operated solenoid valve and the input port of gas circuit
It connects.
Optionally, destaticing system further includes the 4th relay and filter;
Filter includes input terminal and output end, the input terminal of filter for being passed through air-flow, the output end of filter with
The input terminal of air-operated solenoid valve connects;
The control terminal of 4th relay is electrically connected with control unit, and the switch of the 4th relay is serially connected with air-operated solenoid valve
Current supply circuit.
Optionally, high voltage power supply, air-operated solenoid valve, gas pressure sensor, gas flow sensor are installed in flame proof
In box.
Optionally, after control unit is used to control the switch conduction of the 4th relay, if air pressure and flow are all satisfied
Preset condition exports conductivity control signal to the control terminal of the first relay after the first delay time of holding, controls the first relay
The switch conduction of device;
If atmospheric pressure value or flow value do not meet preset condition, the switch OFF of the first relay is controlled.
Optionally, after control unit is used to control the switch of the first relay by being conducting to shutdown, second is kept to be delayed
After time, the switch OFF of the 4th relay is controlled.
Optionally, destaticing system includes AC-DC module, and the ac input end of AC-DC module is electrically connected AC power source,
The DC output end of AC-DC module is electrically connected with the power input of control unit;
The current supply circuit of the power input electrical connection of high voltage power supply is electrically connected AC power source.
Provided in this embodiment to destatic system, destaticing system by setting includes: the gas circuit for supplying air-flow;It puts
Electric unit and high voltage power supply, discharge cell are electrically connected with high voltage power supply, and discharge cell is set in gas circuit;It control unit and sets
The gas pressure sensor and gas flow sensor being placed in gas circuit;Control unit according to gas pressure sensor for detecting
To the gas flow that detects of air pressure and gas flow sensor, control power supply of the high voltage power supply to discharge cell, in turn
The gas flow mistake that the air pressure detected in gas pressure sensor is too small and/or strength flow sensor detects may be implemented
Hour, control disconnects power supply of the high voltage power supply to discharge cell in time, avoids in gas circuit air pressure too small and/or gas flow sensing
The gas flow that device detects is too small to be caused powder to be likely to contact caused by discharge cell to fire, ensure that powder storage fortune
Defeated and cargo handling process safety.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for destaticing system provided by the embodiment of the utility model;
Fig. 2 is the structural schematic diagram that another kind provided by the embodiment of the utility model destatics system;
Fig. 3 is the partial structure diagram that another kind provided by the embodiment of the utility model destatics system;
Fig. 4 is another part structural schematic diagram that another kind provided by the embodiment of the utility model destatics system;
Fig. 5 is the gas circuit schematic diagram provided by the embodiment of the utility model for destaticing system.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Fig. 1 is a kind of structural schematic diagram for destaticing system provided by the embodiment of the utility model, and the present embodiment is applicable
The case where static elimination is carried out during powder conveying, with reference to Fig. 1, this destatics system, comprising:
For supplying the gas circuit 110 of air-flow;
Discharge cell 120 and high voltage power supply 130, discharge cell 120 are electrically connected with high voltage power supply 130, and discharge cell 120 is set
It is placed in gas circuit 110;
Control unit 140, gas pressure sensor 150 and gas flow sensor 160, gas pressure sensor 150 with
And gas flow sensor 160 is electrically connected with control unit 140, gas pressure sensor 150 and gas flow sensor
160 are all set in gas circuit 110;
Wherein, the air pressure and gas flow that control unit 140 is used to be detected according to gas pressure sensor 150 sense
The gas flow that device 160 detects controls power supply of the high voltage power supply 130 to discharge cell 120.
Powder conveying process usually carries out in powder pneumatic conveyance conduit, and material powder continually occurs during transportation
Between body and duct wall and material powder granule is contacted and is separated again each other, therefore can show apparent electrostatic electrification
Process.As described in the background art, ion wind pipeline powder Xelminator (hereinafter referred to as consumer appliance) is to solve powder conveying
The commonly used equipment of electrostatic is generated in the process.Consumer appliance generally includes electrode needle and high-voltage power supply, and provided in this embodiment destatic is
In system, discharge cell 120 can be the electrode needle of consumer appliance, and high voltage power supply 130 can be the high-voltage power supply of consumer appliance.Discharge cell
120 use high-voltage corona discharge mode, and ionized air generates negative ions.Discharge cell 120 is set in gas circuit 110, gas circuit
110 are connected to powder pneumatic conveyance conduit, and gas circuit 110 is produced for supplying compressed air stream, and then by 120 ionized air of discharge cell
Raw negative ions are blown into powder pneumatic conveyance conduit, realize the elimination to powder electrostatic lotus.
It is provided in this embodiment to destatic system, gas pressure sensor 150 is set in the gas circuit 110 of supply air-flow,
Gas pressure sensor 150 can detect the gas pressure in gas circuit 110, and control unit 140 can be from gas pressure
The gas pressure in gas circuit 110 is got in sensor 150.When gas pressure is too small, powder is likely to be exposed with high-voltage electricity
Discharge cell 120, cause to fire.Control unit 140 get gas pressure it is too small when, such as gas pressure be less than it is default
Pressure threshold when, can control high voltage power supply 130 disconnect to discharge cell 120 power, to guarantee that the too small powder of gas pressure can
It when can touch discharge cell 120, will not cause to fire, guarantee the safety during powder conveying.Wherein, control unit 140
It can be integrated in human-computer intellectualization platform.
It often will appear 110 quilt of gas circuit at 150 rear of gas pressure sensor in practical work process, in gas circuit 110
The case where blocking, though cause gas pressure sensor 150 that gas pressure can be detected, and without gas in practical gas circuit 110
The case where flow.Gas pressure sensor 150 is only set in gas circuit 110, the defeated of 150 rear of gas pressure sensor is occurring
When feed channel is blocked, control unit 140 can still get normal gas pressure from gas pressure sensor 150,
Therefore power supply of the disconnection of high voltage power supply 130 to discharge cell 120, after being blocked because of gas circuit 110, nothing in gas circuit 110 will not be controlled
Gas flow can not blow the negative ions that 120 ionized air of discharge cell generates to powder conveying pipeline, while powder
It has and touches the discharge cell 120 with high-voltage electricity, cause the possibility fired.Therefore, provided by the embodiment of the utility model
System is destaticed, gas flow sensor 160 is also provided in gas circuit 110, the gas flow sensor 160 is for detecting gas
Gas flow in road 110, gas flow sensor 160 are electrically connected with control unit 140, and control unit 140 can be from gas stream
Quantity sensor 160 obtains the gas flow in gas circuit 110.
To solve the problems, such as to there is gas pressure to cause powder to touch with high-voltage electricity without gas flow in above-mentioned gas circuit 110
Discharge cell 120 cause to fire, provided in this embodiment to destatic system, control unit 140 can be sensed according to gas pressure
The gas flow that the air pressure and gas flow sensor 160 that device 150 detects detect controls high voltage power supply 130 to electric discharge
The power supply of unit 120 specifically can be control unit 140 in the gas pressure for getting gas pressure sensor 150 and detecting
Less than preset pressure threshold and gets gas flow that gas flow sensor 160 detects and be less than preset flow threshold
When value, control disconnects power supply of the high voltage power supply 130 to discharge cell 120, and then guarantees the gas pressure mistake in gas circuit 110
When gas flow in small and/or gas circuit 110 is too small, the power supply to discharge cell 120 is disconnected in time, avoids powder that from may connecing
It contacts and is fired caused by the discharge cell 120 with high-voltage electricity, ensure that the safety of powder conveying process.
Provided in this embodiment to destatic system, destaticing system by setting includes: the gas circuit for supplying air-flow;It puts
Electric unit and high voltage power supply, discharge cell are electrically connected with high voltage power supply, and discharge cell is set in gas circuit;It control unit and sets
The gas pressure sensor and gas flow sensor being placed in gas circuit;Control unit according to gas pressure sensor for detecting
The gas flow detected to air pressure and gas flow sensor controls power supply of the high voltage power supply 130 to discharge cell, in turn
The gas flow mistake that the air pressure detected in gas pressure sensor is too small and/or gas flow sensor detects may be implemented
Hour, control disconnects power supply of the high voltage power supply to discharge cell in time, avoids in gas circuit air pressure too small and/or strength flow sensing
The gas flow that device detects is too small to be caused powder to be likely to contact caused by discharge cell to fire, ensure that powder conveying mistake
The safety of journey.
Fig. 2 is the structural schematic diagram that another kind provided by the embodiment of the utility model destatics system, it should be noted that
Specific gas circuit structure is not shown in Fig. 2.With reference to Fig. 2, on the basis of above scheme, the system of destaticing further includes and high-voltage electricity
The current supply circuit 170 and the first relay 180 of the power input electrical connection in source 130;The control terminal and control of first relay 180
Unit 140 processed is electrically connected, and the switch R1 of the first relay 180 is serially connected with current supply circuit 170.
Specifically, control unit 140, which controls high voltage power supply 130, can be control to the control mode that discharge cell 120 is powered
External power supply processed passes through power supply of the current supply circuit 170 to high voltage power supply 130.With reference to Fig. 2, the first relay 180 includes First Line
K1 and first switch R1 is enclosed, first coil K1 is connect with control unit 140, and first switch R1 is serially connected in current supply circuit 170.It is high
Voltage source 130 can be connect by the first switch R1 of current supply circuit 170 and the first relay 180 with external power supply, need to control
High voltage power supply 130 is disconnected to when the power supply of discharge cell 120, control signal can be exported to first coil K1 by control unit 140,
So that first coil K1 power loss, and then control first switch R1 and disconnect, so that external power supply stops to high voltage power supply 130
Power supply, and then disconnect power supply of the high voltage power supply 130 to discharge cell 120.
Fig. 3 is the partial structure diagram that another kind provided by the embodiment of the utility model destatics system;Fig. 4 is this reality
Another part structural schematic diagram of system is destaticed with the another kind that new embodiment provides, Fig. 3 and Fig. 4 collectively constitute another kind
System (specific gas circuit structure and discharge cell is not shown in Fig. 3 and Fig. 4) is destaticed, with reference to Fig. 3 and Fig. 4, optionally, destatics and is
System further includes the second relay 191 and third relay 192;
Gas pressure sensor 150 and gas flow sensor 160 include that transducing signal output end and trigger signal are defeated
Outlet;
The transducing signal output terminals A 11 and A12 of gas pressure sensor 150 are electrically connected with control unit 140, the second relay
The control terminal of device 191 is electrically connected with trigger signal the output end B11 and B12 of gas pressure sensor 150, the second relay 191
Switch R2 be serially connected with current supply circuit;
The transducing signal output terminals A 21 and A22 of gas flow sensor 160 are electrically connected with control unit 140, third relay
The control terminal of device 192 is electrically connected with trigger signal the output end B21 and B22 of gas flow sensor 160, third relay 192
Switch R3 be serially connected with current supply circuit.
Second relay 191 may include the second coil K2 and second switch R2, and the both ends of the second coil K2 are as second
The control terminal of relay 191 is connect with trigger signal output end B11 and the B12 point of gas pressure sensor 150.Third relay
192 may include tertiary coil K3 and third switch R3, tertiary coil K3 both ends as third relay 192 control terminal with
Trigger signal the output end B21 and B22 of gas flow sensor 160 are electrically connected.The transducing signal of gas pressure sensor 150 is defeated
Outlet A11 and A12 is electrically connected with control unit 140, is transmitted to control unit 140, gas stream with the gas pressure that will test
The transducing signal output terminals A 21 and A22 of quantity sensor 160 are electrically connected with control unit 140, are passed with the gas flow that will test
Transport to control unit 140.The gas pressure and gas flow that control unit 140 can be detected according to gas pressure sensor 150
The gas flow that sensor 160 detects controls power supply of the external power supply to high voltage power supply 130, and then controls high voltage power supply 130
Power supply to discharge cell.
Illustratively, if the gas pressure that gas pressure sensor 150 detects is less than the threshold pressure and/or gas of setting
The gas flow that body flow sensor 160 detects is less than the threshold flow of setting, and control unit 140 gets the gas pressure
After gas flow, control signal can be exported to the transducing signal output terminals A 11 and A12 of gas pressure sensor 150, makes gas
Pressure sensor 150 passes through control terminal (i.e. second coil of its trigger signal output end B11 and B12 to the second relay 191
K2) output control signal makes the second coil K2 power loss of the second relay 191, and second switch R2 is disconnected, and then cuts off external electrical
Power supply of the source to high voltage power supply 130, and then power supply of the cutoff high power supply 130 to discharge cell (being not drawn into Fig. 3, Fig. 4), keep away
Exempt from gas circuit that gas pressure is too small or gas flow is too small causes powder to touch discharge cell to cause to fire, guarantee powder transport
The safety of process.
In addition, being less than the threshold pressure and/or gas stream of setting in the gas pressure that gas pressure sensor 150 detects
The gas flow that quantity sensor 160 detects is less than the threshold flow of setting, and it is gentle that control unit 140 gets the gas pressure
After body flow, control signal can also be exported to the transducing signal output terminals A 21 and A22 of gas flow sensor 160, makes gas stream
Quantity sensor 160 passes through control terminal (i.e. tertiary coil K3) of its trigger signal output end B21 and B22 to third relay 192
Output control signal, makes the tertiary coil K3 power loss of third relay 192, and third switch R3 is disconnected, and then cuts off external power supply
Power supply to high voltage power supply 130, and then power supply of the cutoff high power supply 130 to discharge cell, avoid gas pressure mistake in gas circuit
Small or gas flow is too small to be caused powder to touch discharge cell to cause to fire, guarantee the safety of powder transportational process.
Furthermore it is less than the threshold pressure and/or gas stream of setting in the gas pressure that gas pressure sensor 150 detects
The gas flow that quantity sensor 160 detects is less than the threshold flow of setting, and it is gentle that control unit 140 gets the gas pressure
After body flow, control signal can also be exported to the control terminal (i.e. first coil K1) of the first relay 180, makes the first relay
180 first coil K1 power loss, first switch R1 are disconnected, and then cut off power supply of the external power supply to high voltage power supply 130, and then cut
Power supply of the broken height voltage source 130 to discharge cell, avoids in gas circuit that gas pressure is too small or gas flow is too small causes powder to connect
It contacts that discharge cell causes to fire, guarantees the safety of powder transportational process.
With continued reference to Fig. 4, on the basis of above scheme, the system of destaticing further includes switch P1, and switch P1 is serially connected with confession
Electrical circuit.
Wherein, switch P1 may include a normal open switch and a normally closed switch, and two switch gearings, normally closed to open
Pass is serially connected in the current supply circuit of high voltage power supply 130 of consumer appliance, is used as emergency stop switch, when in powder transportational process
In, it, can be by the way that by the normal open switch in lower switch P1, so that normally closed switch disconnects, cutting be external when being in an emergency
Power supply of the power supply to high voltage power supply 130, avoids the occurrence of security risk.
Fig. 5 is the gas circuit schematic diagram provided by the embodiment of the utility model for destaticing system, with reference to Fig. 5, in above scheme
On the basis of, the system of destaticing further includes air-operated solenoid valve 210, and air-operated solenoid valve 210 includes input terminal and output end;
The input terminal of air-operated solenoid valve 210 is for being passed through air-flow, the output end of air-operated solenoid valve 210 and the input terminal of gas circuit
Mouth connection.
Wherein, air-operated solenoid valve 210 is arranged in gas circuit 110, for being passed through the on-off of air-flow into gas circuit 110.Pneumatically
When solenoid valve 210 is opened, compressed air stream can be conveyed by gas circuit 110, it is positive and negative to generate 120 ionized air of discharge cell
Ion is blowed to powder pneumatic conveyance conduit, eliminates the intracorporal electrostatic charge of powder.
With reference to Fig. 3, Fig. 4 and Fig. 5, optionally, the system of destaticing further includes the 4th relay and filter 220;
Filter 220 includes input terminal and output end, and the input terminal of filter 220 is used to be passed through air-flow, filter 220
Output end is connect with the input terminal of air-operated solenoid valve 210;
The control terminal of 4th relay is electrically connected with control unit 140, and the switch R4 of the 4th relay is serially connected with pneumatic electricity
The current supply circuit of magnet valve 210.
By the way that filter 220 is arranged in gas circuit, moisture, oil droplet and the impurity inputted in air-flow into gas circuit can be filtered off
Deng, avoid the impurity in air-flow from entering in powder pneumatic conveyance conduit, pollute powder;And the impurity in air-flow is avoided to adhere to
On discharge cell, the discharge performance of discharge cell is impacted.
4th relay may include the 4th coil K4 and the 4th switch R4, and the 4th coil K4 can be with 140 electricity of control unit
Connection can export control signal to the 4th coil K4 by control unit 140 when powder conveying operation starts, so that the
Four coil K4 obtain electric, the 4th switch R4 closure, the opening of air-operated solenoid valve 210, so that air-flow is transported in gas circuit.
With reference to Fig. 4, optionally, high voltage power supply 130, air-operated solenoid valve 210, gas pressure sensor 150, gas flow are passed
Sensor 160 is installed in flame proof box 230.By high voltage power supply 130, air-operated solenoid valve 210, gas pressure sensor 150, gas
Flow sensor 160 is mounted in flame proof box 230, can be to high voltage power supply 130, air-operated solenoid valve 210, gas pressure sensor
150 and gas flow sensor 160 preferably protected, prolong its service life.
With continued reference to Fig. 3 and Fig. 4, optionally, after control unit 140 is used to control the switch conduction of the 4th relay,
If air pressure and flow are all satisfied preset condition, led after being kept for the first delay time to the output of the control terminal of the first relay 180
Logical control signal, controls the switch conduction of the first relay 180;
If atmospheric pressure value or flow value do not meet preset condition, the switch R1 shutdown of the first relay 180 is controlled.
After control unit 140 controls the switch R4 conducting of the 4th relay, it may be implemented to be passed through air-flow into gas circuit, gas
Gas pressure in 150 real-time detection gas circuit of pressure sensor, the gas in 160 real-time detection gas circuit of gas flow sensor
Flow gets air pressure in control unit 140 and gas flow is all satisfied preset condition, such as gas pressure is greater than or equal to and sets
Fixed pressure threshold, gas flow are greater than or equal to the flow threshold of setting, and between keeping certain after, i.e., in guarantee gas circuit
Air-flow is in a stable state, that is, in the case where guaranteeing the danger that powder is not exposed to discharge cell, control first after
The switch conduction of electric appliance 180 so that high voltage power supply 130 obtains the power supply of external power supply, and then can make high voltage power supply 130 to putting
Electric unit is powered.If atmospheric pressure value or flow value do not meet preset condition in gas circuit, powder, which has, touches discharge cell
Possibility, therefore the switch R1 shutdown of controllable first relay 180, to avoid gas pressure in gas circuit is too small or gas flow
It is too small to cause powder to touch discharge cell to cause to fire, guarantee the safety of powder transportational process.
Optionally, after control unit 140 is used to control the switch R1 of the first relay 180 by being conducting to shutdown, holding
After second delay time, the switch R4 shutdown of the 4th relay of control.
For example, when control unit 140 receive powder material conveying halt instruction when, control unit 140 can be delayed disconnection pair
The power supply of high voltage power supply 130, specific delay time can be set in control unit 140, and waiting receives powder thing
When material conveying finishes instruction, then stop powering to high voltage power supply 130 (because of the powder when closing conveying ball valve, finally conveyed
Material can just must reach feed bin after a certain period of time in the duct);At the same time, air-operated solenoid valve 210 continues starting, air-supply system
When uniting and then continue delay to the air-supply of powder consumer appliance, and then will complete powder conveying, powder will not touch discharge cell, keep away
Exempt to fire dangerous generation.Wherein, the second delay time can be set in control unit 140.
Second delay between reach setting value after, control unit 140 will by the 4th cut-off air-operated solenoid valve 210,
Stop the gas transmission into gas circuit.
Optionally, destaticing system further includes AC-DC module 240, and the ac input end of AC-DC module 240, which is electrically connected, to be handed over
The DC output end in galvanic electricity source, AC-DC module 240 is electrically connected with the power input of control unit 140;
The current supply circuit of the power input electrical connection of high voltage power supply 130 is electrically connected AC power source.
By the setting AC-DC module 240 in destaticing system, AC power source can be made for the power supply of high voltage power supply 130,
The alternating current that AC power source provides is the gentle pressure sensing body of control unit 140 after the AC-DC conversion of AC-DC module 240
Device 150, gas flow sensor 160 and air-operated solenoid valve 210 are powered.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. one kind destatics system characterized by comprising
For supplying the gas circuit of air-flow;
Discharge cell and high voltage power supply, the discharge cell are electrically connected with the high voltage power supply, and the discharge cell is set to institute
It states in gas circuit;
Control unit, gas pressure sensor and gas flow sensor, the gas pressure sensor and the gas stream
Quantity sensor is electrically connected with the control unit, and the gas pressure sensor and the gas flow sensor are respectively provided with
In the gas circuit;
Wherein, the air pressure and the gas flow that described control unit is used to be detected according to the gas pressure sensor pass
The gas flow that sensor detects controls power supply of the high voltage power supply to the discharge cell.
2. according to claim 1 destatic system, which is characterized in that further include the power input with the high voltage power supply
Hold the current supply circuit and the first relay of electrical connection;The control terminal of first relay is electrically connected with the control unit, institute
The switch for stating the first relay is serially connected with the current supply circuit.
3. according to claim 2 destatic system, which is characterized in that further include the second relay and third relay;
The gas pressure sensor and the gas flow sensor include transducing signal output end and trigger signal output
End;
The transducing signal output end of the gas pressure sensor is electrically connected with the control unit, the control of second relay
End processed is electrically connected with the trigger signal output end of the gas pressure sensor, and the switch of second relay is serially connected with described
Current supply circuit;
The transducing signal output end of the gas flow sensor is electrically connected with the control unit, the control of the third relay
End processed is electrically connected with the trigger signal output end of the gas flow sensor, and the switch of the third relay is serially connected with described
Current supply circuit.
4. according to claim 2 destatic system, which is characterized in that further include switch, the switch is serially connected with described
Current supply circuit.
5. according to claim 3 destatic system, which is characterized in that it further include air-operated solenoid valve, the air-powered electromagnetic
Valve includes input terminal and output end;
The input terminal of the air-operated solenoid valve is for being passed through air-flow, the input of the output end of the air-operated solenoid valve and the gas circuit
Port connection.
6. according to claim 5 destatic system, which is characterized in that further include the 4th relay and filter;
The filter includes input terminal and output end, and the input terminal of the filter is used to be passed through air-flow, the filter
Output end is connect with the input terminal of the air-operated solenoid valve;
The control terminal of 4th relay is electrically connected with the control unit, and the switch of the 4th relay is serially connected with described
The current supply circuit of air-operated solenoid valve.
7. according to claim 5 destatic system, which is characterized in that the high voltage power supply, air-operated solenoid valve, the gas
Pressure sensor, gas flow sensor are installed in flame proof box.
8. according to claim 6 destatic system, which is characterized in that described control unit for control the described 4th after
After the switch conduction of electric appliance, if the air pressure and the flow are all satisfied preset condition, kept for the first delay time backward
The control terminal of first relay exports conductivity control signal, controls the switch conduction of first relay;
If atmospheric pressure value or flow value do not meet the preset condition, the switch OFF of first relay is controlled.
9. according to claim 6 destatic system, which is characterized in that described control unit for control described first after
After the switch of electric appliance is by being conducting to shutdown, after keeping the second delay time, the switch OFF of the 4th relay is controlled.
10. according to claim 1 destatic system, which is characterized in that it further include AC-DC module, the AC-DC module
Ac input end be electrically connected AC power source, the DC output end of the AC-DC module and the power input of described control unit
End electrical connection;
The current supply circuit of the power input electrical connection of the high voltage power supply is electrically connected the AC power source.
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CN201822220822.7U CN209693132U (en) | 2018-12-27 | 2018-12-27 | One kind destaticing system |
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CN201822220822.7U CN209693132U (en) | 2018-12-27 | 2018-12-27 | One kind destaticing system |
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CN109600894A (en) * | 2018-12-27 | 2019-04-09 | 上海安平静电科技有限公司 | One kind destaticing system |
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2018
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109600894A (en) * | 2018-12-27 | 2019-04-09 | 上海安平静电科技有限公司 | One kind destaticing system |
CN109600894B (en) * | 2018-12-27 | 2024-02-09 | 上海安平静电科技有限公司 | Static electricity removing system |
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