The automatic high pressure exercise method of high-pressure type accelerator and automatic high pressure exercise system
Technical field
The present invention relates to high-pressure type accelerator, particularly a kind of automatic high pressure exercise method of high-pressure type accelerator and automatic high pressure exercise system.
Background technology
High-pressure type accelerator is the device that a kind of high voltage electric field produced by high pressure accelerates charged particle, and high pressure is in 0.3MV to 5MV scope.When after high-pressure type accelerator installation, need the debugging experiencing the long period, an important step in debugging is exactly that high pressure is taken exercise, and approximately needs the time through 2 ~ 3 weeks, could pay user and use.After having debugged, consign to after user produces, still need every day advanced horizontal high voltage to take exercise, ensure that machine can bear higher voltage, just can produce.Therefore, high pressure is taken exercise is the required step that high-pressure type accelerator meets Production requirement.
At present, the high pressure of high-pressure type accelerator is taken exercise and is still adopted manual type to perform physical exercise, this just requires that person skilled operates according to certain specification, and technical staff needs general operation, emergency processing method etc. the relevant knowledge understanding high-pressure type accelerator, and must stick to post.For user, as long as there are the needs using high-pressure type accelerator, high pressure exercise is first important operation after start, is also necessary, needs specialized operations personnel operation on duty.This just brings higher human cost, and the technical merit of operating personnel also can the impact to voltage effect of taking exercise and the time expended simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is to overcome in prior art the method or equipment that do not have a kind of high pressure that automatically can carry out high-pressure type accelerator to take exercise, the defect of more human cost is expended in the high pressure of high-pressure type accelerator is taken exercise, a kind of automatic high pressure exercise method and automatic high pressure exercise system of accelerator are proposed, high voltage by real-time measurement of vacuum value and ionic pump flow valuve and when the value recorded meets certain condition, pressure process is stopped in the undesirable situation of parameter, the high pressure exercise routine of high-pressure type accelerator can be completed automatically, also make the reaction for Parameters variation (as vacuum degree) rapider while reducing human cost, thus impact less to vacuum system equipment, more effectively protect high-pressure type accelerator and vacuum system equipment.
The present invention solves above-mentioned technical problem by following technical proposals:
The invention provides a kind of automatic high pressure exercise method of high-pressure type accelerator, its feature is, detects spark phenomenon in real time, the termination process when spark phenomenon being detected, and this automatic high pressure exercise method comprises the following steps:
S
101, using current voltage value as an initial voltage value, setting one final magnitude of voltage;
S
102, in real time measure vacuum degree within the scope of one first duration and ionic pump flow valuve, using the maximum of the vacuum degree within the scope of this first duration as vacuum degree maximum, using the maximum of the ionic pump flow valuve within the scope of this first duration as ionic pump stream maximum;
S
103, to the vacuum degree maximum within the scope of one second duration and ionic pump stream maximum, judge whether that any vacuum degree maximum is less than a default vacuum degree higher limit and whether has any ionic pump stream maximum to be less than a default ionic pump stream higher limit, be in two judged results when being and perform step S
105, when having at least one to be no in two judged results, perform step S
104;
S
104, send a warning message;
S
105, judge whether current voltage value is less than this final magnitude of voltage, perform step S when judged result is no
106, perform step S when judged result is for being
107;
S
106, keep current voltage value is constant reach a very first time interval after, current voltage value is down to a default low voltage value, sends a successful information and termination process;
S
107, current voltage value is added that a voltage added value is as a target voltage values;
S
108, progressively increase voltage until when current voltage value reaches this target voltage values, perform this step S
102.
Wherein, this first duration scope is that the length of this first duration scope is a default fixed value to the time period of current time some moment before this.This second duration scope is also that the length of this second duration scope is also a default fixed value to the time period of current time some moment before this.Easy understand ground, the length of this second duration scope is more than or equal to the length of this first duration scope.This vacuum degree higher limit and this ionic pump stream higher limit all can be arranged by those skilled in the art according to actual needs, for ensureing that this automatic high pressure exercise method only just can continue to increase voltage under this vacuum degree maximum and the satisfactory situation of this ionic pump stream maximum, ensure the fail safe of high pressure exercise routine.In the high pressure of high-pressure type accelerator is taken exercise, occur that spark phenomenon likely damages high-pressure type accelerator, so detect spark phenomenon in real time in automatic high pressure exercise method of the present invention, if detect that spark phenomenon occurs, no matter proceed to which step in flow process, all can termination process.
This automatic high pressure exercise method is pressurizeed when vacuum degree maximum and ionic pump stream maximum satisfy condition, until after current voltage value reaches this final magnitude of voltage, after keeping a period of time, high pressure has been taken exercise.
Preferably, this step S
102with this step S
103between further comprising the steps of:
S
1021, be between n voltage region by this initial voltage value to the interval division of this final magnitude of voltage, n is a positive integer, between the n-th voltage region, is preset with one n-th voltage added value;
S
1022, when current voltage value is positioned between a kth voltage region, this voltage added value is set to kth voltage added value V
k, 1≤k≤n and k is a positive integer.
In the high pressure of high-pressure type accelerator is taken exercise, voltage can be increased quickly when voltage is lower to raise the efficiency, and need when voltage is higher comparatively with delaying to increase voltage to avoid damaging high-pressure type accelerator, so select different voltage added values can take into account efficiency and the fail safe of high pressure exercise by above-mentioned setting according to the size of current voltage value.In the high pressure exercise of high-pressure type accelerator; this final magnitude of voltage is up to megavolt level; need under such high voltage more gently to increase voltage; to reduce the impact to vacuum system equipment and high-tension apparatus; to protect the core component of vacuum system equipment and high-pressure type accelerator, such as accelerating tube and toroidal transformer.
Preferably, this step S
1022by step S
1022asubstitute:
S
1022a, at current voltage value V
ebe positioned at [V between a kth voltage region
i, V
j) time, this voltage added value is set to HV
k, wherein 1≤k≤n and k is a positive integer, V
kfor kth voltage added value, H are determined by following formula:
In above formula, if represents if namely under different conditions, H has different values.Like this in same interval, the setting of voltage added value also can be made to reduce along with the increase of current voltage value, further increase the fail safe that high pressure is taken exercise.
Preferably, this step S
102by step S
102asubstitute:
S
102a, measure vacuum degree within the scope of one first duration and ionic pump flow valuve, using the maximum of the vacuum degree within the scope of this first duration as vacuum degree maximum, using the maximum of the ionic pump flow valuve within the scope of this first duration as ionic pump stream maximum, using the minimum value of the vacuum degree within the scope of this first duration as vacuum degree minimum value, using the minimum value of the ionic pump flow valuve within the scope of this first duration as ionic pump stream minimum value, and the vacuum degree rate of change calculated within the scope of this first duration and ionic pump stream rate of change;
This step S
107by step S
107asubstitute:
S
107a, according to following formulae discovery one start-up parameter G:
Wherein, δ
vacuumthis vacuum degree rate of change, δ
ipumpthis ionic pump stream rate of change, V
ecurrent voltage value, ε, a
1, a
2, a
3are all default voltage coefficients, judge whether this start-up parameter G is less than a start-up parameter threshold value G preset
0, when judged result is no, perform this step S
102, when judged result is for being, using current voltage value, add that this voltage added value is as this target voltage values.Voltage coefficient ε, a of presetting
1, a
2, a
3and start-up parameter threshold value G
0all can be arranged according to the empirical value in high pressure exercise by those skilled in the art.Such as, for the high-pressure type accelerator of 3.0MV, G
0value be set as 1.0, if on this basis current high-voltage value be positioned at interval [2.0MV, 2.5MV), a
1, a
2, a
3the value value that is set to-2/3,1/2,5.0, ε be respectively set to 1.2; If current high-voltage value be positioned at interval [2.5MV, 3.0MV), a
1, a
2, a
3the value value that is set to-0.5,0.4,4.5, ε be respectively set to 1.1.
Present invention also offers a kind of automatic high pressure exercise system of high-pressure type accelerator, its feature is, comprising:
One measurement module, this measurement module comprises a vacuum measurement unit and an ionic pump flow metering unit, this vacuum measurement unit is used for the vacuum degree measured in real time within the scope of one first duration, using the maximum of the vacuum degree within the scope of this first duration as vacuum degree maximum, this ionic pump flow metering unit is used for the ionic pump flow valuve measured in real time within the scope of this first duration, using the maximum of the ionic pump flow valuve within the scope of this first duration as ionic pump stream maximum;
One sparking detection module, reports to the police for sending a sparking when spark phenomenon having been detected;
One first judge module, for to the vacuum degree maximum within the scope of one second duration and ionic pump stream maximum, judge whether that any vacuum degree maximum is less than a default vacuum degree higher limit and whether has any ionic pump stream maximum to be less than a default ionic pump stream higher limit, be in two judged results when being and enable one second judge module, when having at least one to be no in two judged results, enable an alarm module;
This alarm module, for sending a warning message;
This second judge module, for judging whether current voltage value is less than a final magnitude of voltage, enabling a high pressure and keeping module, enabling a boost module when judged result is for being when judged result is no;
This high pressure keeps module, after keeping that current voltage value is constant and reaching a very first time interval, current voltage value is down to a default low voltage value, and sends a successful information;
This boost module, for current voltage value being added a voltage added value is as a target voltage values, and progressively increasing voltage until when current voltage value reaches this target voltage values, enabling this first judge module.
It will be appreciated by those skilled in the art that this low voltage value is preset in this high pressure and keeps in module, this low voltage value is the normal magnitude of voltage of high-pressure type accelerator before operation, voltage when this low voltage value is run lower than high-pressure type accelerator.
Preferably, this automatic high pressure exercise system also comprises a magnitude of voltage segmentation module, it is between n voltage region that this magnitude of voltage segmentation module is used for an initial voltage value to the interval division of this final magnitude of voltage, and n is a positive integer, to being preset with one n-th voltage added value between the n-th voltage region.
Wherein, namely this initial voltage value starts the voltage of high-pressure type accelerator when high pressure is taken exercise, be provided with one n-th corresponding voltage added value between the n-th voltage region, the concrete setting of the n-th voltage added value can the performance by the experience of those skilled in the art's foundation high pressure exercise and with reference to high-pressure type accelerator be arranged.
Preferably, this boost module comprises one first voltage amplification computing unit, during for being positioned at current voltage value between a kth voltage region, this voltage added value is set to kth voltage added value V
k, 1≤k≤n and k is a positive integer.
Preferably, this boost module comprises one second voltage amplification computing unit, at current voltage value
V
ebe positioned at [V between a kth voltage region
i, V
j) time, this voltage added value is set to HV
k, wherein 1≤k≤n and k is a positive integer, V
kfor kth voltage added value, H are determined by following formula:
Preferably, this vacuum measurement unit also for using the minimum value of the vacuum degree within the scope of this first duration as vacuum degree minimum value and the vacuum degree rate of change calculated within the scope of this first duration, this ionic pump flow metering unit also for using the minimum value of the ionic pump flow valuve within the scope of this first duration as ionic pump stream minimum value and the ionic pump stream rate of change calculated within the scope of this first duration;
This boost module also comprises a G-factor judging unit, for according to following formulae discovery one start-up parameter G:
Wherein, δ
vacuumthis vacuum degree rate of change, δ
ipumpthis ionic pump stream rate of change, V
ecurrent voltage value, ε, a
1, a
2, a
3are all default voltage coefficients, and judge whether this start-up parameter G is less than a start-up parameter threshold value G preset
0, when judged result is no, enabling this first judge module, when judged result is for being, using current voltage value, adds that this voltage added value is as this target voltage values.Voltage coefficient ε, a of presetting
1, a
2, a
3and start-up parameter threshold value G
0all can be arranged according to the empirical value in high pressure exercise by those skilled in the art.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains the preferred embodiments of the invention.
Positive progressive effect of the present invention is:
The automatic high pressure exercise method of a kind of high-pressure type accelerator of the present invention and automatic high pressure exercise system; high voltage by real-time measurement of vacuum value and ionic pump flow valuve and when the value recorded meets certain condition; the high pressure exercise routine of high-pressure type accelerator can be completed automatically, while reducing human cost, more effectively protect core component and the vacuum system equipment of high-pressure type accelerator.
Accompanying drawing explanation
Fig. 1 is the flow chart of the automatic high pressure exercise method of the embodiment of the present invention 1.
Fig. 2 is the schematic diagram of the automatic high pressure exercise system of the embodiment of the present invention 3.
Embodiment
Provide present pre-ferred embodiments below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail, but therefore do not limit the present invention among described scope of embodiments.
Embodiment 1
As shown in Figure 1, the automatic high pressure exercise method of the high-pressure type accelerator of the present embodiment, detects spark phenomenon in real time, the termination process when spark phenomenon being detected, and this automatic high pressure exercise method comprises the following steps:
S
101, using current voltage value as an initial voltage value, setting one final magnitude of voltage;
S
102, in real time measure vacuum degree within the scope of one first duration and ionic pump flow valuve, using the maximum of the vacuum degree within the scope of this first duration as vacuum degree maximum, using the maximum of the ionic pump flow valuve within the scope of this first duration as ionic pump stream maximum;
S
103, to the vacuum degree maximum within the scope of one second duration and ionic pump stream maximum, judge whether that any vacuum degree maximum is less than a default vacuum degree higher limit and whether has any ionic pump stream maximum to be less than a default ionic pump stream higher limit, be in two judged results when being and perform step S
105, when having at least one to be no in two judged results, perform step S
104;
S
104, send a warning message;
S
105, judge whether current voltage value is less than this final magnitude of voltage, perform step S when judged result is no
106, perform step S when judged result is for being
107;
S
106, keep current voltage value is constant reach a very first time interval after, current voltage value is down to a default low voltage value, sends a successful information and termination process;
S
107, current voltage value is added that a voltage added value is as a target voltage values;
S
108, progressively increase voltage until when current voltage value reaches this target voltage values, perform this step S
102.
Wherein, this vacuum degree higher limit and this ionic pump stream higher limit all can be arranged by those skilled in the art according to actual needs, for ensureing that this automatic high pressure exercise method only just can continue to increase voltage under this vacuum degree maximum and the satisfactory situation of this ionic pump stream maximum, ensure the fail safe of high pressure exercise routine.In the high pressure of high-pressure type accelerator is taken exercise, occur that spark phenomenon likely damages high-pressure type accelerator, so detect spark phenomenon in real time in automatic high pressure exercise method of the present invention, if detect that spark phenomenon occurs, no matter proceed to which step in flow process, all can termination process.This second duration scope is more than or equal to this first duration scope, and the quantity of the vacuum degree maximum within the scope of this second duration and ionic pump stream maximum is all more than or equal to one.
Preferably, this step S
102with this step S
103between further comprising the steps of:
S
1021, be between n voltage region by this initial voltage value to the interval division of this final magnitude of voltage, n is a positive integer, between the n-th voltage region, is preset with one n-th voltage added value;
S
1022, when current voltage value is positioned between a kth voltage region, this voltage added value is set to kth voltage added value V
k, 1≤k≤n and k is a positive integer.
In the high pressure of high-pressure type accelerator is taken exercise, voltage can be increased quickly when voltage is lower to raise the efficiency, and need when voltage is higher comparatively with delaying to increase voltage to avoid damaging high-pressure type accelerator, so select different voltage added values can take into account efficiency and the fail safe of high pressure exercise by above-mentioned setting according to the size of current voltage value.In the high pressure exercise of high-pressure type accelerator, this final magnitude of voltage, up to megavolt level, needs under such high voltage more gently to increase voltage, to reduce the impact to vacuum system equipment, to protect vacuum system equipment and high-pressure type accelerator.
Embodiment 2
The automatic high pressure exercise method of the present embodiment is compared with embodiment 1, and difference is only:
This step S
1022by step S
1022asubstitute:
S
1022a, at current voltage value V
ebe positioned at [V between a kth voltage region
i, V
j) time, this voltage added value is set to HV
k, wherein 1≤k≤n and k is a positive integer, V
kfor kth voltage added value, H are determined by following formula:
Like this in same interval, the setting of voltage added value also can be made to reduce along with the increase of current voltage value, further increase the fail safe that high pressure is taken exercise.
This step S
102by step S
102asubstitute:
S
102a, measure vacuum degree within the scope of one first duration and ionic pump flow valuve, using the maximum of the vacuum degree within the scope of this first duration as vacuum degree maximum, using the maximum of the ionic pump flow valuve within the scope of this first duration as ionic pump stream maximum, using the minimum value of the vacuum degree within the scope of this first duration as vacuum degree minimum value, using the minimum value of the ionic pump flow valuve within the scope of this first duration as ionic pump stream minimum value, and the vacuum degree rate of change calculated within the scope of this first duration and ionic pump stream rate of change;
This step S
107by step S
107asubstitute:
S
107a, according to following formulae discovery one start-up parameter G:
Wherein, δ
vacuumthis vacuum degree rate of change, δ
ipumpthis ionic pump stream rate of change, V
ecurrent voltage value, ε, a
1, a
2, a
3are all default voltage coefficients, judge whether this start-up parameter G is less than a start-up parameter threshold value G preset
0, when judged result is no, perform this step S
102, when judged result is for being, using current voltage value, add that this voltage added value is as this target voltage values.Voltage coefficient ε, a of presetting
1, a
2, a
3and start-up parameter threshold value G
0all can be arranged according to the empirical value in high pressure exercise by those skilled in the art.
Embodiment 3
The automatic high pressure exercise system of the high-pressure type accelerator of the present embodiment comprises:
One measurement module 11, this measurement module 11 comprises a vacuum measurement unit and an ionic pump flow metering unit, this vacuum measurement unit is used for the vacuum degree measured in real time within the scope of one first duration, using the maximum of the vacuum degree within the scope of this first duration as vacuum degree maximum, this ionic pump flow metering unit is used for the ionic pump flow valuve measured in real time within the scope of this first duration, using the maximum of the ionic pump flow valuve within the scope of this first duration as ionic pump stream maximum;
One sparking detection module 12, reports to the police for sending a sparking when spark phenomenon having been detected;
One first judge module 13, for to the vacuum degree maximum within the scope of one second duration and ionic pump stream maximum, judge whether that any vacuum degree maximum is less than a default vacuum degree higher limit and whether has any ionic pump stream maximum to be less than a default ionic pump stream higher limit, be in two judged results when being and enable one second judge module 15, when having at least one to be no in two judged results, enable an alarm module 14;
This alarm module 14, for sending a warning message;
This second judge module 15, for judging whether current voltage value is less than a final magnitude of voltage, enabling a high pressure and keeping module 16, enabling a boost module 17 when judged result is for being when judged result is no;
This high pressure keeps module 16, after keeping that current voltage value is constant and reaching a very first time interval, current voltage value is down to a default low voltage value, and sends a successful information;
This boost module 17, for current voltage value being added a voltage added value is as a target voltage values, and progressively increasing voltage until when current voltage value reaches this target voltage values, enabling this first judge module 13.
It will be appreciated by those skilled in the art that this low voltage value is preset in this high pressure and keeps in module 16, this low voltage value is the normal magnitude of voltage of high-pressure type accelerator before operation, voltage when this low voltage value is run lower than high-pressure type accelerator.
Embodiment 4
The automatic high pressure exercise system of the present embodiment is compared with embodiment 3, and difference is only:
This automatic high pressure exercise system also comprises a magnitude of voltage segmentation module, it is between n voltage region that this magnitude of voltage segmentation module is used for an initial voltage value to the interval division of this final magnitude of voltage, n is a positive integer, to being preset with one n-th voltage added value between the n-th voltage region.The concrete setting of one n-th voltage added value corresponding between the n-th voltage region can the performance by the experience of those skilled in the art's foundation high pressure exercise and with reference to high-pressure type accelerator be arranged.
This boost module 17 comprises one first voltage amplification computing unit, during for being positioned at current voltage value between a kth voltage region, this voltage added value is set to kth voltage added value V
k, 1≤k≤n and k is a positive integer.
Embodiment 5
The automatic high pressure exercise system of the present embodiment is compared with embodiment 4, and difference is only:
This boost module 17 does not comprise this first voltage amplification computing unit, but comprises one second voltage amplification computing unit, at current voltage value V
ebe positioned at [V between a kth voltage region
i, V
j) time, this voltage added value is set to HV
k, wherein 1≤k≤n and k is a positive integer, V
kfor kth voltage added value, H are determined by following formula:
Preferably, this vacuum measurement unit also for using the minimum value of the vacuum degree within the scope of this first duration as vacuum degree minimum value and the vacuum degree rate of change calculated within the scope of this first duration, this ionic pump flow metering unit also for using the minimum value of the ionic pump flow valuve within the scope of this first duration as ionic pump stream minimum value and the ionic pump stream rate of change calculated within the scope of this first duration;
This boost module 17 also comprises a G-factor judging unit, for according to following formulae discovery one start-up parameter G:
Wherein, δ
vacuumthis vacuum degree rate of change, δ
ipumpthis ionic pump stream rate of change, V
ecurrent voltage value, ε, a
1, a
2, a
3are all default voltage coefficients, and judge whether this start-up parameter G is less than a start-up parameter threshold value G preset
0, when judged result is no, enabling this first judge module 13, when judged result is for being, using current voltage value, adds that this voltage added value is as this target voltage values.Voltage coefficient ε, a of presetting
1, a
2, a
3and start-up parameter threshold value G
0all can be arranged according to the empirical value in high pressure exercise by those skilled in the art.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these execution modes, but these change and amendment all falls into protection scope of the present invention.