CN110174189B - Method for dynamically monitoring boiler thermal field in real time and triggering control - Google Patents
Method for dynamically monitoring boiler thermal field in real time and triggering control Download PDFInfo
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- CN110174189B CN110174189B CN201910416195.0A CN201910416195A CN110174189B CN 110174189 B CN110174189 B CN 110174189B CN 201910416195 A CN201910416195 A CN 201910416195A CN 110174189 B CN110174189 B CN 110174189B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
- G01K17/06—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/185—Control of temperature with auxiliary non-electric power
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Abstract
The invention discloses a method for dynamically monitoring a boiler thermal field in real time and controlling triggering, which comprises the following steps: the heat in the heat energy generating area is transferred to the heat collecting mechanism, so that the thermal expansion fluid is thermally expanded and drives the piston rod to ascend, the piston rod ascends and pulls the linkage piece to ascend synchronously, and the linkage end of the linkage rod is guided into the top end of the second guide groove through the first guide groove; when the temperature in the heat energy generation area is reduced, the thermal expansion fluid shrinks and the piston rod is reduced, the piston rod is reduced and pulls the linkage part to be reduced synchronously, in the process, the linkage end of the linkage rod is matched with the second guide groove to enable the trigger part to rotate, and the linkage end of the linkage rod is guided into the first guide groove of the next group of guide grooves through the second guide groove; the trigger piece rotates and also pulls the rotating shaft/programming column to synchronously rotate, in the process, the programming bulge can be contacted with the transmission mechanism and enables the hydraulic device to correspondingly operate and change through the transmission mechanism, and finally the warning purpose is achieved or the heat energy generation area is directly restored to the working temperature range.
Description
Technical Field
The invention relates to the field of temperature control, in particular to a triggering method of a temperature control trigger.
Background
In the prior art, a few devices using heat energy as a power source are available, for example, locomotives, thermal power stations, industrial and mining enterprises and the like use boilers to convert heat energy into mechanical energy or electric energy, once the temperature of a heat energy generation area of the devices is reduced below a working temperature range due to insufficient fuel or other factors, the whole device is seriously affected, not only is a product unqualified, but also a certain amount of fuel is consumed when the temperature of the heat energy generation area is increased again to the working temperature range, and the production cost is greatly increased.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a triggering method of a temperature control trigger, the whole triggering process is full-automatic, manual interference is not needed, the temperature in a heat energy generation area is monitored in real time and is always kept in a working temperature range, and the economic loss caused by a series of accidents due to temperature reduction in the heat energy generation area is effectively avoided.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The method for dynamically monitoring the thermal field of the boiler in real time and triggering the control comprises the following steps:
s1: the heat collecting device collects heat of heat energy generating areas such as a boiler and the like and enables the heat expansion fluid to thermally expand;
the heat collecting device comprises a base, a heat collecting mechanism, a driving cylinder, a linkage part and a reset mechanism, wherein the base is fixed near the heat energy generating area, and the heat collecting mechanism is used for collecting the heat change condition of the heat energy generating area;
the driving cylinder is arranged on one side of the heat collection mechanism, which is far away from the heat energy generation area, and comprises a support frame, a heat-preservation transition cylinder, a cylinder body, a piston and a piston rod, wherein the support frame is fixed on the base;
the cylinder body is of a circular cylinder structure with an opening at one end and a closed end, the opening end of the cylinder body is coaxially fixed at the top end of the heat-preservation transition cylinder and communicated with the heat-preservation transition cylinder, the closed end of the cylinder body is coaxially provided with a through hole, the piston is arranged in the cylinder body, one end of the piston rod is fixedly connected with the piston, and the other end of the piston rod penetrates through the through hole and is positioned above the cylinder body;
the linkage piece is arranged at the top end of the piston rod and positioned at one side of the piston rod, which is far away from the heat energy generation area, and comprises a fixed frame, an elastic sheet and a linkage rod, wherein the fixed frame is fixed at the top end of the piston rod, the elastic sheet is fixed on the fixed frame, the linkage rod is horizontally and movably arranged on the fixed frame and forms sliding guide fit, one end of the linkage rod, which is far away from the heat energy generation area, is a linkage end, and the other end of the linkage rod is connected with the elastic sheet;
the programming trigger device is arranged on one side, away from the heat energy generation area, of the linkage piece and comprises a mounting frame, a rotating shaft, a trigger piece, a programming mechanism and a transmission mechanism, the mounting frame is fixed on the base, the rotating shaft is vertically fixed on the mounting frame, the trigger piece is of a cylindrical structure, the trigger piece is coaxially fixed at the top end of the rotating shaft, a guide groove is formed in the outer circular surface of the trigger piece, the guide groove comprises a first guide groove and a second guide groove, the first guide groove penetrates through the lower end face of the trigger piece, the guide direction of the first guide groove is parallel to the axial direction of the trigger piece, the second guide groove is obliquely arranged, and the top;
the two bottom ends of the guide grooves of one group of guide grooves are communicated with the first guide grooves of the adjacent guide grooves, and the linkage end of the linkage rod is positioned in the first guide grooves of any group of guide grooves;
the first guide groove and the second guide groove are communicated through a first limiting block, the first limiting block is arranged at the position, facing the bottom end of the first guide groove, the side face, facing the bottom end of the first guide groove, of the limiting block is a second guide inclined face, the distance between the second guide inclined face and the bottom end of the first guide groove is gradually increased along the radial direction of the trigger part and in the direction from the circle center of the first guide groove to the outer circular face, the side face, facing the first guide groove, of the second limiting block is a second limiting face, the communicated position, facing the first guide groove, of the second guide groove of the first guide groove is provided with a first limiting block, the side face, facing the first guide groove, of the first limiting block is gradually increased along the radial direction from the trigger part and in;
heat generated by operation of a heat energy generating area such as a boiler and the like is transferred to the heat collecting mechanism, thermal expansion fluid is thermally expanded, the thermal expansion fluid drives the piston/piston rod to do ascending motion, the piston rod ascends and pulls the linkage piece to ascend synchronously, and therefore the linkage end of the linkage rod is guided into the top end of the guide groove II through the guide groove I;
s2: when the temperature in the heat energy generation area is reduced due to insufficient fuel or other reasons, the thermal expansion fluid begins to shrink, the piston/piston rod of the driving cylinder is driven by the reset mechanism to do descending motion, the piston rod descends and pulls the linkage part to descend synchronously, in the descending process of the linkage part, due to the existence of the limiting surfaces of the two limiting blocks, the linkage end of the linkage rod is positioned in the second guide groove, the linkage end of the linkage rod is matched with the second guide groove to enable the trigger part to rotate around the self axial direction, and the linkage end of the linkage rod is guided into the first guide groove of the next group of guide grooves through the second guide groove;
s3: the programming mechanism comprises programming columns, the programming columns are of regular polygon column structures, the number of sides of the programming columns is equal to the number of the guide grooves, the programming columns are coaxially fixed outside the rotating shaft, a plurality of groups of programming bulges are arranged on the outer circular surface of each programming column in an array mode along the axial direction of the rotating shaft, the number of the arrays of the programming bulges is equal to the number of the guide grooves, and the programming mechanism can preset programs by changing the number and the arrangement mode of the programming bulges on the programming columns;
the transmission mechanism is used for being connected with a hydraulic device, and the hydraulic device is used for being connected with equipment corresponding to the heat energy generation area;
the trigger piece rotates and also pulls the rotating shaft to synchronously rotate, the rotating shaft rotates and pulls the programming column to synchronously rotate, in the process, the programming bulge can be in contact with the transfer mechanism and enables the hydraulic device to correspondingly operate and change through the transfer mechanism, and finally the warning purpose is achieved or the heat energy generation area is directly restored to the working temperature range.
As a further improvement of the present solution.
The heat collecting mechanism comprises heat collecting pipes, a transition pipeline and a connecting pipe, the heat collecting pipes are obliquely fixed on the base, a plurality of groups of the heat collecting pipes are arranged according to the actual installation distribution condition of the heat energy generating area in an array mode, the top ends of the plurality of groups of the heat collecting pipes are communicated with the transition pipeline, one end of the connecting pipe is communicated with the transition pipeline, the other end of the connecting pipe is communicated with the driving cylinder, and a heat insulation coating is further arranged outside the connecting pipe;
a reflecting plate is arranged on one side of the heat collecting pipe, which is far away from the heat energy generating area;
the reset mechanism comprises a fixed plate and reset pieces, the fixed plate is horizontally fixed outside the part of the piston rod above the cylinder body, and the reset pieces are arrayed in two groups along the circumferential direction of the cylinder body;
the reset piece comprises a guide rod, a sliding sleeve, a fixed rod and a reset spring, the guide rod is vertically fixed on the support frame, the top end of the guide rod is provided with an external step, the sliding sleeve is movably sleeved outside the guide rod and forms sliding guide fit, one end of the fixed rod is fixedly connected with the fixed plate, the other end of the fixed rod is fixedly connected with the sliding sleeve, the reset spring is sleeved outside the part of the guide rod between the sliding sleeve and the external step, and the reset spring drives the sliding sleeve to do descending motion through elasticity;
a buffer spring is sleeved outside the part of the piston rod, which is positioned between the closed end of the cylinder body and the fixed plate, and is used for buffering the space between the cylinder body and the fixed plate in the process of restoring the driving rod to the original state;
the heat collecting device further comprises a heat-insulating and heat-dissipating mechanism, the heat-insulating and heat-dissipating mechanism comprises a fixing sleeve, a heat-insulating sleeve and a heat-dissipating sleeve, the fixing sleeve is horizontally fixed between the two sets of sliding sleeves, the heat-insulating sleeve is fixed on the upper end face of the fixing sleeve and movably sleeved outside the cylinder body, and the heat-dissipating sleeve is fixed on the lower end face of the fixing sleeve and movably sleeved outside the heat-insulating transition cylinder.
As a further improvement of the present solution.
The transmission mechanism is arranged on one side, away from the heat collection device, of the programming mechanism and comprises a hinged shaft and a transmission rod, the hinged shaft is vertically fixed on the mounting frame, the transmission rod can be divided into two parts, namely a receiving section and a transmission section, the receiving section and the transmission section are arranged in an included angle, a sleeve hole is formed in the joint of the receiving section and the transmission section, the transmission rod is movably sleeved outside the hinged shaft through the sleeve hole and can axially rotate around the hinged shaft, the free end of the receiving section of the transmission rod is close to the programming column, and the free end of the transmission section is close to the hydraulic device;
the transmission rods are matched with the programming bulges, and a plurality of groups of transmission rods are arranged in an array along the axial direction of the articulated shaft.
As a further improvement of the present solution.
The hydraulic device is arranged on one side, away from the programming mechanism, of the transfer mechanism and comprises a hydraulic mechanism, the hydraulic mechanism comprises a fixed shaft, a hydraulic pump and a communicating pipe, and the fixed shaft is vertically fixed on the mounting frame;
the hydraulic pump is internally stored with hydraulic oil and comprises a pump shell, a sealing plug, a pump rod and a recovery spring, wherein the pump shell is of a shell structure with one open end and one closed end, the open end of the pump shell is provided with a pump cover, the closed end of the pump shell is provided with an avoidance hole, the outside of the pump shell is also provided with a connecting nozzle, the pump cover is also provided with a sleeve, the sleeve is movably sleeved outside the fixed shaft, and the pump shell/the pump cover can axially rotate around the fixed shaft;
the recovery spring is arranged between the sealing plug and the pump cover, and the elastic force of the recovery spring drives the sealing plug to move away from the pump cover;
one end of the communicating pipe is communicated with the connecting nozzle, and the other end of the communicating pipe is communicated with equipment corresponding to the heat energy generating area;
the hydraulic mechanisms are arranged in a plurality of groups along the axial direction of the fixed shaft in a corresponding array mode.
Compared with the prior art, the heat collection device has the advantages that the heat collection device adopts thermal expansion fluid to sense the temperature change in the heat energy generation area, when the temperature in the heat energy generation area is reduced to be lower than the lowest normal operation temperature of the heat energy generation area, the linkage piece and the trigger piece are matched to enable the transmission mechanism to do corresponding action change according to a preset program of the programming mechanism, finally, the hydraulic device is used for warning or directly driving equipment corresponding to the heat energy generation area to do corresponding operation change and enable the heat energy generation area to be restored to the working temperature range, the whole process is full-automatic, manual interference is not needed, the temperature in the heat energy generation area is monitored in real time and is always kept in the working temperature range, and economic loss caused by a series of accidents due to temperature reduction in the heat energy generation area is effectively avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic structural view of a heat collecting device according to the present invention.
FIG. 3 is a schematic structural diagram of a heat collecting mechanism according to the present invention.
FIG. 4 is a schematic structural diagram of a heat collecting mechanism according to the present invention.
FIG. 5 is a partial structural view of a heat collecting device according to the present invention.
Fig. 6 is a schematic view of the construction of the driving cylinder of the present invention.
FIG. 7 is a cross-sectional view of the drive cylinder of the present invention.
Fig. 8 is a matching view of the linkage and the driving cylinder of the present invention.
Fig. 9 is a schematic structural diagram of a linkage member according to the present invention.
FIG. 10 is a combination diagram of the driving cylinder, the reset mechanism and the heat-insulating and heat-dissipating mechanism of the present invention.
FIG. 11 is a schematic diagram of the programming trigger device of the present invention in cooperation with a hydraulic device.
FIG. 12 is a schematic diagram of a programming trigger device according to the present invention.
Fig. 13 is a matching view of the linking member and the triggering member of the present invention.
FIG. 14 is a view of the spindle and programming mechanism of the present invention.
Fig. 15 is a schematic structural view of the transfer mechanism of the present invention.
Fig. 16 is a diagram showing the transmission mechanism of the present invention in cooperation with a hydraulic device.
Fig. 17 is a sectional view of a hydraulic pump of the present invention.
Detailed Description
The method for dynamically monitoring the thermal field of the boiler in real time and triggering the control comprises the following steps:
s1: the heat collecting device 100 collects heat of a heat generating region such as a boiler and the like and thermally expands a thermal expansion fluid;
the heat collecting device 100 comprises a base, a heat collecting mechanism 110, a driving cylinder 120, a linkage member 130 and a reset mechanism 140, wherein the base is fixed near the heat energy generating area, and the heat collecting mechanism 110 is used for collecting the heat change condition of the heat energy generating area;
the driving cylinder 120 is arranged on one side of the heat collection mechanism 110, which is far away from the heat energy generation area, the driving cylinder 120 comprises a support frame, a heat preservation transition cylinder 121, a cylinder body 122, a piston 123 and a piston rod 124, the support frame is fixed on the base, the heat preservation transition cylinder 121 is vertically fixed on the support frame, the heat preservation transition cylinder 121 is communicated with the heat collection mechanism 110, and the thermal expansion fluid is arranged between the heat collection mechanism 110 and the heat preservation transition cylinder 121;
the cylinder body 122 is a circular cylinder structure with an opening at one end and a closed end, the opening end of the cylinder body 122 is coaxially fixed at the top end of the heat-insulating transition cylinder 121 and communicated with the heat-insulating transition cylinder 121, the closed end of the cylinder body 122 is coaxially provided with a through hole, the piston 123 is arranged in the cylinder body 122, one end of the piston rod 124 is fixedly connected with the piston 123, and the other end of the piston rod passes through the through hole and is positioned above the cylinder body 122;
the linkage member 130 is mounted at the top end of the piston rod 124 and located at one side of the piston rod 124 departing from the heat energy generation area, the linkage member 130 comprises a fixed frame 131, an elastic sheet 132 and a linkage rod 133, the fixed frame 131 is fixed at the top end of the piston rod 124, the elastic sheet 132 is fixed on the fixed frame 131, the linkage rod 133 is horizontally and movably mounted on the fixed frame 131 and forms sliding guide fit, one end of the linkage rod 133 departing from the heat energy generation area is a linkage end, and the other end of the linkage rod 133 is connected with the elastic sheet 132 in a clamping manner;
the programming trigger device 200 is arranged on one side, away from the heat energy generation area, of the linkage member 130, the programming trigger device 200 comprises a mounting frame, a rotating shaft 210, a trigger member 220, a programming mechanism 230 and a transfer mechanism 240, the mounting frame is fixed on the base, the rotating shaft 210 is vertically fixed on the mounting frame, the trigger member 220 is of a cylindrical structure, the trigger member 220 is coaxially fixed at the top end of the rotating shaft 210, a guide groove is formed in the outer circular surface of the trigger member 220, the guide groove comprises a first guide groove 221 and a second guide groove 222, the first guide groove 221 penetrates through the lower end face of the trigger member 220, the guide direction of the first guide groove 221 is parallel to the axial direction of the trigger member 220, and the second guide groove 222 is obliquely arranged;
the guide grooves are arrayed in a plurality of groups along the circumferential direction of the trigger piece 220, the bottom ends of the second guide grooves 222 of one group of guide grooves are communicated with the first guide grooves 221 of the adjacent guide grooves, and the linkage ends of the linkage rods 133 are positioned in the first guide grooves 221 of any group of guide grooves;
a second limiting block 224 is arranged at the connection position of the first guide groove 221 and the second guide groove 222 in the group of guide grooves, the side surface of the second limiting block 224 facing the bottom end of the first guide groove 221 is a second guide inclined surface, the distance between the second guide inclined surface and the bottom end of the first guide groove 221 is gradually increased along the radial direction of the trigger part 220 and from the circle center to the outer circular surface, the side surface of the second limiting block 224 facing away from the first guide groove 221 is a second limiting surface, a first limiting block 223 is arranged at the connection position of the second guide groove 222 of the group of guide grooves and the first guide groove 221 of the adjacent guide groove, the side surface of the first limiting block 223 facing the corresponding first guide groove 221 is a first guide inclined surface, the distance between the first guide inclined surface and the corresponding first guide groove 221 is gradually increased along the radial direction of the trigger part 220 and from the circle;
the heat generated by the operation of the heat energy generating area such as the boiler is transferred to the heat collecting mechanism 110 and the thermal expansion fluid is thermally expanded, the thermal expansion fluid drives the piston 123/the piston rod 124 to do the ascending motion, the piston rod 124 ascends and pulls the linkage member 130 to ascend synchronously, so that the linkage end of the linkage rod 133 is guided into the top end of the guide groove two 222 through the guide groove one 221;
s2: when the temperature in the heat energy generation area is reduced due to insufficient fuel or other reasons, the thermal expansion fluid begins to shrink, meanwhile, the reset mechanism 140 enables the piston 123/piston rod 124 of the driving cylinder 120 to do descending motion, the piston rod 124 descends and pulls the linkage member 130 to descend synchronously, in the descending process of the linkage member 130, due to the existence of the limiting surface of the second limiting block 224, the linkage end of the linkage rod 133 is located in the second guide groove 222, the linkage end of the linkage rod 133 is matched with the second guide groove 222 to enable the trigger member 220 to rotate around the self-axis, and the linkage end of the linkage rod 133 is guided into the first guide groove 221 of the next group of guide grooves through the second guide groove 222;
s3: the programming mechanism 230 includes a programming post 231, the programming post 231 is a regular polygon cylinder structure, the number of sides of the programming post 231 is equal to the number of the guiding slots, the programming post 231 is coaxially fixed outside the rotating shaft 210, the outer circumferential surface of the programming post 231 is provided with a plurality of groups of programming protrusions 232 along the axial direction of the rotating shaft 210, the number of the arrays of the programming protrusions 232 is equal to the number of the guiding slots, and the programming mechanism 230 can preset a program by changing the number and the arrangement mode of the groups of programming protrusions 232 on the programming post 231;
the transmission mechanism 240 is used for connecting with a hydraulic device 300, and the hydraulic device 300 is used for connecting with equipment corresponding to a heat energy generation area;
the rotation of the trigger 220 also pulls the rotation shaft 210 to rotate synchronously, the rotation shaft 210 rotates and pulls the programming post 231 to rotate synchronously, in the process, the programming projection 232 contacts with the transmission mechanism 240 and enables the hydraulic device 300 to make corresponding operation change through the transmission mechanism 240, and finally the warning purpose is achieved or the heat energy generation area is directly restored to the working temperature range.
The invention adopts the heat collecting device and the programming triggering device to monitor the temperature in the heat energy generating area such as the boiler and the like, has the advantages that the heat collecting device adopts the thermal expansion fluid to induce the temperature change in the heat energy generating area, when the temperature in the heat energy generating area is reduced to be lower than the lowest normal operating temperature of the heat energy generating area, the linkage piece and the trigger piece are matched to enable the transmission mechanism to make corresponding action change according to the preset program of the programming mechanism, finally, the hydraulic device is used for warning or directly driving equipment corresponding to the heat energy generation area to perform corresponding operation change and enable the heat energy generation area to be recovered to the working temperature range, the whole process is full-automatic, manual interference is not needed, the temperature in the heat energy generation area is monitored in real time and is always kept in the working temperature range, and economic loss caused by a series of accidents due to temperature reduction in the heat energy generation area is effectively avoided.
The heat collection type temperature difference multi-position hydraulic trigger comprises a heat collection device 100, a programming trigger device 200 and a hydraulic device 300, wherein the heat collection device 100 is used for sensing the heat change condition of a heat energy generation area such as a boiler and the like, the programming trigger device 200 is driven to operate by taking temperature difference as power and thermal expansion fluid as a medium, the programming trigger device 200 is used for driving the hydraulic device 300 to perform corresponding action change according to a preset program, the hydraulic device 300 is used for being connected with equipment corresponding to the heat energy generation area, and the action change of the hydraulic device 300 enables the equipment corresponding to the heat energy generation area to operate and finally enables the heat energy generation area to be recovered to be within a working temperature range.
The heat generated by the operation of the heat energy generating area such as a boiler and the like causes the thermal expansion fluid in the heat collecting device 100 to thermally expand, and at this time, the programming trigger device 200 is not triggered, if the operation of the heat energy generating area stops, that is, the temperature in the heat energy generating area is reduced, the thermal expansion fluid in the heat collecting device 100 is shrunk and restored to the original state, at this time, the programming trigger device 200 is triggered and causes the hydraulic device 300 to perform corresponding action change, and finally, the warning purpose is achieved or the equipment corresponding to the heat energy generating area is directly operated and the heat energy generating area is restored to the working temperature range. More specifically, the device corresponding to the thermal energy generation area is a heating device, and the change in the operation of the hydraulic device 300 may send a command or an acting force for triggering the opening to the device (heating device) corresponding to the thermal energy generation area.
The heat collecting device 100 comprises a base, a heat collecting mechanism 110, a driving cylinder 120, a linkage member 130 and a reset mechanism 140, wherein the base is fixed near a heat energy generating area, the heat collecting mechanism 110 is used for collecting the heat change condition of the heat energy generating area, the driving cylinder 120 is used for driving the linkage member 130 to perform corresponding action change according to the heat change condition of the heat collecting mechanism 110, the action change of the linkage member 130 is used for triggering the programming trigger device 200, and the reset mechanism 140 is used for assisting the driving cylinder 120 to recover to a normal condition when the thermal expansion fluid is shrunk and recovered to an original state.
The heat collecting mechanism 110 comprises a heat collecting pipe 111, a transition pipeline 112 and a connecting pipe 113, wherein the heat collecting pipe 111 is obliquely fixed on the base, a plurality of groups of the heat collecting pipe 111 are arranged according to the actual installation distribution condition array of the heat generating area, the top ends of the plurality of groups of the heat collecting pipes 111 are communicated with the transition pipeline 112, one end of the connecting pipe 113 is communicated with the transition pipeline 112, the other end of the connecting pipe 113 is communicated with the driving cylinder 120, and a heat preservation coating is further arranged outside the connecting pipe 113.
Preferably, a reflecting plate 114 is arranged on one side of the heat collecting pipe 111 away from the heat energy generating area; the significance is that when the heat generating area generates heat by light, the reflecting plate 114 can make the heat collecting tube 111 more sensitive to the heat change condition of the heat generating area.
The driving cylinder 120 is arranged on one side of the heat collecting mechanism 110, which is far away from the heat energy generation area, the driving cylinder 120 comprises a support frame, a heat-preservation transition cylinder 121, a cylinder body 122, a piston 123 and a piston rod 124, the support frame is fixed on the base, the heat-preservation transition cylinder 121 is vertically fixed on the support frame, the connecting pipe 113 is communicated with the heat-preservation transition cylinder 121, and the thermal expansion fluid is arranged between the heat collecting mechanism 110 and the heat-preservation transition cylinder 121.
The cylinder body 122 is a circular cylinder structure with an opening at one end and a closed end, the opening end of the cylinder body 122 is coaxially fixed at the top end of the heat-preservation transition cylinder 121 and communicated with the heat-preservation transition cylinder, the closed end of the cylinder body 122 is coaxially provided with a through hole, the piston 123 is arranged in the cylinder body 122 and forms sliding guide fit, one end of the piston rod 124 is fixedly connected with the piston 123, and the other end of the piston rod passes through the through hole and is positioned above the cylinder body 122.
The reset mechanism 140 includes a fixing plate 141 and reset members, the fixing plate 141 is horizontally fixed outside a portion of the piston rod 124 above the cylinder 122, and the reset members are arrayed in two groups along a circumferential direction of the cylinder 122.
The reset component comprises a guide rod 143, a sliding sleeve 144, a fixed rod 145 and a reset spring 146, the guide rod 143 is vertically fixed on the support frame, the top end of the guide rod 143 is provided with an external step, the sliding sleeve 144 is movably sleeved outside the guide rod 143 and forms sliding guiding fit, one end of the fixed rod 145 is fixedly connected with the fixed plate 141, the other end of the fixed rod 145 is fixedly connected with the sliding sleeve 144, the reset spring 146 is sleeved outside a part of the guide rod 143 between the sliding sleeve 144 and the external step, and the elastic force of the reset spring drives the sliding sleeve 144 to.
When the thermal expansion fluid expands, the piston 123/the piston rod 124 is pushed to move upwards, the piston rod 124 is lifted and pulls the fixing plate 141/the fixing rod 145/the sliding sleeve 144 to synchronously lift, and the return spring 146 is compressed; when the thermal expansion fluid is shrunk and restored to the original state, the elastic force of the return spring 146 causes the piston rod 124/the fixed plate 141/the fixed rod 145/the sliding sleeve 144 to perform a descending motion, so that the driving cylinder 120 is restored to the original state.
Preferably, a buffer spring 142 is sleeved outside a portion of the piston rod 124 between the closed end of the cylinder 122 and the fixed plate 141, and the buffer spring 142 is used for buffering between the cylinder 122 and the fixed plate 141 during the process of restoring the driving rod 120 to the original state.
The linkage member 130 is mounted on the top end of the piston rod 124 and located on a side of the piston rod 124 away from the heat energy generation area, the piston rod 124 ascends/descends and pulls the linkage member 130 to ascend/descend synchronously, and the linkage member 130 includes a fixed frame 131, an elastic sheet 132 and a linkage rod 133.
The fixed frame 131 is fixed at the top end of the piston rod 124, the elastic sheet 132 is fixed on the fixed frame 131, the linkage rod 133 is horizontally and movably arranged on the fixed frame 131 and forms sliding guide fit, one end of the linkage rod 133 departing from the heat energy generation area is a linkage end, and the other end of the linkage rod 133 is connected with the elastic sheet 132 in a clamping manner; the piston rod 124 moves and pulls the linkage 130 to move synchronously, and the clamping between the linkage 133 and the elastic sheet 132 is the same as the clamping in the prior art, which is not described herein again.
More specifically, in order to improve the sensitivity of the heat collection device 100 to sense the heat change of the heat generation area, the heat collection device 100 further comprises a heat preservation and dissipation mechanism 150, the heat preservation and dissipation mechanism 150 comprises a fixing sleeve, a heat preservation sleeve 151 and a heat dissipation sleeve 152, the fixing sleeve is horizontally fixed between the two sets of sliding sleeves 144, the heat preservation sleeve 151 is fixed on the upper end face of the fixing sleeve, the movable sleeve is fixed on the outer portion of the cylinder body 122, and the heat dissipation sleeve 152 is fixed on the lower end face of the fixing sleeve, and the movable sleeve is fixed on the.
When the thermal expansion fluid is thermally expanded, because the thermal insulation coating is further arranged outside the connecting pipe 113 and the thermal insulation transition cylinder 121/thermal insulation sleeve 151 are arranged, the thermal expansion fluid can keep a thermal expansion state for a long time, and meanwhile, the heat dissipation sleeve 152 rises to the outside of the cylinder body 122 along with the fixed sleeve/sliding sleeve 144; when the temperature of the heat energy generation area is reduced, the heat dissipation sleeve 152 assists the thermal expansion fluid to shrink and shortens the time required by the cold shrinkage; thereby improving the sensitivity of the heat collecting device 100 to induce the heat change in the heat generating region.
The programming trigger device 200 is disposed on a side of the linkage member 130 away from the heat energy generating region, the programming trigger device 200 includes a mounting bracket, a rotating shaft 210, a trigger member 220, a programming mechanism 230, and a transmission mechanism 240, the trigger member 220 is used for being triggered by the linkage member 130 and transmitting a signal to the programming mechanism 230 through the rotating shaft 210, the programming mechanism 230 is used for receiving the signal transmitted by the rotating shaft 210 and making the transmission mechanism 240 perform corresponding action changes according to a preset program, the transmission mechanism 240 is used for being connected with the hydraulic device 300 and making the equipment corresponding to the heat energy generating region operate and finally making the heat energy generating region return to the working temperature range through the action changes of the transmission mechanism 240.
The mounting bracket is fixed on the base, and the rotating shaft 210 is vertically fixed on the mounting bracket.
The trigger member 220 is a cylindrical structure, the trigger member 220 is coaxially fixed at the top end of the rotating shaft 210, a guide groove is formed in the outer circular surface of the trigger member 220, the guide groove comprises a first guide groove 221 and a second guide groove 222, the first guide groove 221 penetrates through the lower end surface of the trigger member 220, the guide direction of the first guide groove 221 is parallel to the axial direction of the trigger member 220, the second guide groove 222 is obliquely arranged, and the top end of the second guide groove is communicated with the first guide groove 221.
The guide grooves are arranged in a plurality of groups along the circumferential direction of the trigger 220, and the bottom ends of the second guide grooves 222 of one group of guide grooves are communicated with the first guide grooves 221 of the adjacent guide grooves.
The linking end of the linking rod 133 is located in the first guide slot 221 of any one set of guide slots.
The connection position of the first guide groove 221 and the second guide groove 222 in the group of guide grooves is provided with a second limiting block 224, the side surface of the second limiting block 224 facing the bottom end of the first guide groove 221 is a second guide inclined surface, the distance between the second guide inclined surface and the bottom end of the first guide groove 221 increases progressively along the radial direction of the trigger piece 220 and the direction from the circle center to the outer circular surface, and the side surface of the second limiting block 224 departing from the first guide groove 221 is a second limiting surface.
The first limiting block 223 is arranged at the connection position of the second guide groove 222 of the group of guide grooves and the first guide groove 221 of the adjacent guide groove, the first limiting block 223 faces the side face corresponding to the first guide groove 221 and is a first guide inclined face, the distance between the first guide inclined face and the corresponding first guide groove 221 is gradually increased along the radial direction of the trigger piece 220 and the direction from the circle center to the outer circular face, and the side face of the first limiting block 223, which deviates from the corresponding first guide groove 221, is a first limiting face.
In the process of ascending the linkage member 130, the linkage end of the linkage rod 133 is guided into the top end of the second guide groove 222 through the first guide groove 221, and meanwhile, in the process, the first limiting surface of the first limiting block 223 prevents the linkage end of the linkage rod 133 from entering the second guide groove 222 of the other set of guide grooves due to unexpected factors; in the descending process of the linkage member 130, due to the existence of the limiting surface of the second limiting block 224, the linkage end of the linkage rod 133 is located in the second guiding groove 222, the linkage end of the linkage rod 133 is matched with the second guiding groove 222 to enable the trigger member 220 to rotate around the self-axial direction, and the linkage end of the linkage rod 133 is guided into the first guiding groove 221 of the next guiding groove group through the second guiding groove 222, so that the operation is repeated.
The programming mechanism 230 includes a programming post 231, the programming post 231 is a regular polygon cylinder structure and the number of sides thereof is equal to the number of the guiding slots, and the programming post 231 is coaxially fixed outside the rotating shaft 210, the outer circumferential surface of the programming post 231 is provided with a plurality of sets of programming protrusions 232 along the axial direction of the rotating shaft 210, and the number of the arrays of the programming protrusions 232 is equal to the number of the guiding slots, the programming mechanism 230 can preset a program by changing the number and the arrangement of the programming protrusions 232 on the programming post 231.
The trigger 220 rotates around its own axis and pulls the rotating shaft 210 to rotate synchronously, and the rotating shaft 210 rotates and pulls the programming mechanism 230 to rotate synchronously.
The transmission rods 242 are matched with the programming protrusions 232, and a plurality of groups of transmission rods 242 are arranged in an axial corresponding array along the hinge shaft 241.
During the rotation of the programming mechanism 230, the programming protrusion 232 contacts the transmission rod 242, so that the transmission rod 42 rotates axially around the hinge shaft 241, and the transmission rods 242 perform corresponding action changes according to the preset program of the user.
The hydraulic device 300 is arranged on one side of the transfer mechanism 240 departing from the programming mechanism 230, the hydraulic device 300 comprises a hydraulic mechanism, the hydraulic mechanism comprises a fixed shaft, a hydraulic pump 310 and a communicating pipe 320, and the fixed shaft is vertically fixed on the mounting frame.
The sealing plug 314 is arranged in the pump shell 311, one end of the pump rod 315 is fixedly connected with the sealing plug 314, the other end of the pump rod passes through the avoidance hole and is hinged with the free end of the transmission section of the transmission rod 242, the hinged central line is parallel to the axial direction of the fixed shaft, the recovery spring 316 is arranged between the sealing plug 314 and the pump cover, and the elastic force of the recovery spring 316 drives the sealing plug 314 to move away from the pump cover.
One end of the communicating pipe 320 is connected with the connecting nozzle 312, and the other end is connected with the device corresponding to the heat energy generating area.
The hydraulic mechanisms are arranged in a plurality of groups along the axial direction of the fixed shaft in a corresponding array mode.
The transmission rod 242 rotates and pulls the whole hydraulic mechanism to rotate axially around the fixed shaft, and simultaneously the pump rod 315/the sealing plug 314 moves close to the pump cover, so that the hydraulic oil in the hydraulic pump 310 is pressed into the equipment corresponding to the heat energy generation area through the connection pipe 320 and makes corresponding operation change.
During actual operation, heat generated by operation of heat energy generation areas such as a boiler and the like is transferred into the heat collection pipe 111 and causes thermal expansion fluid to thermally expand, the thermal expansion fluid drives the piston 123/the piston rod 124 to do ascending motion, the piston rod 124 ascends and pulls the linkage member 130 to ascend synchronously, and therefore the linkage end of the linkage rod 133 is guided into the top end of the guide groove II 222 through the guide groove I221;
when the temperature in the heat energy generating area is decreased due to insufficient fuel and the like, the thermal expansion fluid is cooled and causes the piston 123/the piston rod 124 to do descending motion, the piston rod 124 descends and pulls the linkage member 130 to descend synchronously, so that the linkage end of the linkage rod 133 is matched with the guide groove II 222 to cause the trigger member 220 to rotate around the axial direction of the linkage rod, the linkage end of the linkage rod 133 is guided into the guide groove I221 of the next group of guide grooves through the guide groove II 222, simultaneously, the trigger member 220 rotates around the axial direction of the trigger member and pulls the rotating shaft 210 to rotate synchronously, the rotating shaft 210 rotates and pulls the programming mechanism 230 to rotate synchronously, during the rotation of the programming mechanism 230, the programming bulge 232 is contacted with the transmission rod 242 and causes the transmission rod 42 to rotate around the axial direction of the hinge shaft 241, the transmission rod 242 rotates and pulls the hydraulic mechanism to rotate around the axial direction integrally and causes the hydraulic oil in the hydraulic pump 310, the equipment corresponding to the heat energy generation area makes corresponding action change according to a program preset by a user and finally achieves the warning purpose or directly restores the heat energy generation area to the working temperature range.
Claims (8)
1. The method for dynamically monitoring the thermal field of the boiler in real time and triggering the control comprises the following steps:
s1: the heat collecting device collects heat of a boiler heat energy generating area and enables the heat expansion fluid to thermally expand;
the heat collecting device comprises a base, a heat collecting mechanism, a driving cylinder, a linkage part and a reset mechanism, wherein the base is fixed near the heat energy generating area, and the heat collecting mechanism is used for collecting the heat change condition of the heat energy generating area;
the driving cylinder is arranged on one side of the heat collection mechanism, which is far away from the heat energy generation area, and comprises a support frame, a heat-preservation transition cylinder, a cylinder body, a piston and a piston rod, wherein the support frame is fixed on the base;
the cylinder body is of a circular cylinder structure with an opening at one end and a closed end, the opening end of the cylinder body is coaxially fixed at the top end of the heat-preservation transition cylinder and communicated with the heat-preservation transition cylinder, the closed end of the cylinder body is coaxially provided with a through hole, the piston is arranged in the cylinder body, one end of the piston rod is fixedly connected with the piston, and the other end of the piston rod penetrates through the through hole and is positioned above the cylinder body;
the linkage piece is arranged at the top end of the piston rod and positioned at one side of the piston rod, which is far away from the heat energy generation area, and comprises a fixed frame, an elastic sheet and a linkage rod, wherein the fixed frame is fixed at the top end of the piston rod, the elastic sheet is fixed on the fixed frame, the linkage rod is horizontally and movably arranged on the fixed frame and forms sliding guide fit, one end of the linkage rod, which is far away from the heat energy generation area, is a linkage end, and the other end of the linkage rod is connected with the elastic sheet;
the programming trigger device is arranged on one side, away from the heat energy generation area, of the linkage piece and comprises a mounting frame, a rotating shaft, a trigger piece, a programming mechanism and a transmission mechanism, the mounting frame is fixed on the base, the rotating shaft is vertically fixed on the mounting frame, the trigger piece is of a cylindrical structure and is coaxially fixed at the top end of the rotating shaft, a guide groove is formed in the outer circular surface of the trigger piece, the guide groove comprises a first guide groove and a second guide groove, the first guide groove penetrates through the lower end face of the trigger piece, the guide direction of the first guide groove is parallel to the axial direction of the trigger piece, the second guide groove is obliquely arranged, and the top end;
the two bottom ends of the guide grooves of one group of guide grooves are communicated with the first guide grooves of the adjacent guide grooves, and the linkage end of the linkage rod is positioned in the first guide grooves of any group of guide grooves;
the first guide groove and the second guide groove are communicated through a first limiting block, the second limiting block is arranged at the position, communicated with the second guide groove, of the first guide groove, the side face, facing the bottom end of the first guide groove, of the second limiting block is a second guide inclined face, the distance between the second guide inclined face and the bottom end of the first guide groove is gradually increased along the radial direction of the trigger part and in the direction from the circle center of the second guide groove to the outer circular face, the side face, facing the first guide groove, of the second limiting block is a second limiting face, the communicated position, facing the first guide groove, of the second guide groove of the first limiting block is provided with a first limiting block, the side face, facing the first guide groove, of the first limiting block is gradually increased along the radial direction of the trigger part and in the direction from;
the heat generated by the operation of the boiler heat energy generating area is transferred to the heat collecting mechanism and thermally expands the thermal expansion fluid, the thermal expansion of the thermal expansion fluid drives the piston/piston rod to do ascending motion, the piston rod ascends and pulls the linkage piece to ascend synchronously, and therefore the linkage end of the linkage rod is guided into the top end of the guide groove II through the guide groove I;
s2: when the temperature in the heat energy generation area is reduced due to insufficient fuel, the thermal expansion fluid begins to shrink, meanwhile, the reset mechanism enables the piston/piston rod of the driving cylinder to do descending motion, the piston rod descends and pulls the linkage part to descend synchronously, in the descending process of the linkage part, due to the existence of the two limiting surfaces of the limiting blocks, the linkage end of the linkage rod is located in the second guide groove, the linkage end of the linkage rod is matched with the second guide groove to enable the trigger part to rotate around the self-axial direction, and the linkage end of the linkage rod is guided into the first guide groove of the next group of guide grooves through the second guide groove;
s3: the programming mechanism comprises programming columns, the programming columns are of regular polygon column structures, the number of sides of the programming columns is equal to the number of the guide grooves, the programming columns are coaxially fixed outside the rotating shaft, a plurality of groups of programming bulges are arranged on the outer circular surface of each programming column in an array mode along the axial direction of the rotating shaft, the number of the arrays of the programming bulges is equal to the number of the guide grooves, and the programming mechanism can preset programs by changing the number and the arrangement mode of the programming bulges on the programming columns;
the transmission mechanism is used for being connected with a hydraulic device, and the hydraulic device is used for being connected with equipment corresponding to the heat energy generation area;
the trigger piece rotates and also pulls the rotating shaft to synchronously rotate, the rotating shaft rotates and pulls the programming column to synchronously rotate, in the process, the programming bulge can be in contact with the transfer mechanism and enables the hydraulic device to correspondingly operate and change through the transfer mechanism, and finally the warning purpose is achieved or the heat energy generation area is directly restored to the working temperature range.
2. The method according to claim 1, wherein the heat collecting mechanism comprises heat collecting tubes, a transition pipeline and a connecting tube, the heat collecting tubes are obliquely fixed on the base, the heat collecting tubes are arranged in a plurality of groups according to the actual installation distribution of the heat energy generation area, the top ends of the heat collecting tubes in the plurality of groups are communicated with the transition pipeline, one end of the connecting tube is communicated with the transition pipeline, the other end of the connecting tube is communicated with the driving cylinder, and a heat insulating coating is further arranged outside the connecting tube.
3. The method for dynamically monitoring and controlling triggering of a thermal field of a boiler as claimed in claim 2, wherein a reflective plate is disposed on a side of the heat collecting tube away from the heat generating region.
4. The method for dynamically monitoring and controlling the thermal field of the boiler in real time according to claim 2, wherein the reset mechanism comprises a fixed plate and reset pieces, the fixed plate is horizontally fixed outside the part of the piston rod above the cylinder body, and the reset pieces are arrayed in two groups along the circumferential direction of the cylinder body;
the reset piece include guide arm, sliding sleeve, dead lever, reset spring, the guide arm is vertical to be fixed in on the support frame and its top is provided with external step, the sliding sleeve movable sleeve is located the guide arm outside and is constituted the sliding guide cooperation, the one end and the fixed plate fixed connection of dead lever, the other end and sliding sleeve fixed connection, reset spring cover locates the guide arm and is located the outside of the part between sliding sleeve and the external step and its elasticity drive sliding sleeve is the descending motion.
5. The method for dynamically monitoring and controlling the triggering of the thermal field of the boiler as claimed in claim 4, wherein a buffer spring is sleeved outside a portion of the piston rod located between the closed end of the cylinder and the fixed plate, and the buffer spring is used for buffering the space between the cylinder and the fixed plate in the process of restoring the driving rod to the original state;
the heat collecting device further comprises a heat-insulating and heat-dissipating mechanism, the heat-insulating and heat-dissipating mechanism comprises a fixing sleeve, a heat-insulating sleeve and a heat-dissipating sleeve, the fixing sleeve is horizontally fixed between the two sets of sliding sleeves, the heat-insulating sleeve is fixed on the upper end face of the fixing sleeve and movably sleeved outside the cylinder body, and the heat-dissipating sleeve is fixed on the lower end face of the fixing sleeve and movably sleeved outside the heat-insulating transition cylinder.
6. The method for dynamically monitoring and controlling the triggering of the boiler thermal field in real time according to claim 4 or 5, wherein the transmission mechanism is arranged on one side of the programming mechanism, which is away from the heat collecting device, and comprises a hinge shaft and a transmission rod, the hinge shaft is vertically fixed on the mounting frame, the transmission rod can be divided into two parts, namely a receiving section and a transmission section, the receiving section and the transmission section are arranged at an included angle, a sleeve hole is formed in the joint between the receiving section and the transmission section, the transmission rod is movably sleeved outside the hinge shaft through the sleeve hole and can axially rotate around the hinge shaft, the free end of the receiving section of the transmission rod is close to the programming column, and the free end of the transmission section is close to the hydraulic device;
the transmission rods are matched with the programming bulges, and a plurality of groups of transmission rods are arranged in an array along the axial direction of the articulated shaft.
7. The method for dynamically monitoring and controlling the thermal field of a boiler in real time as claimed in claim 6, wherein the hydraulic device is disposed on a side of the transmission mechanism away from the programming mechanism, the hydraulic device comprises a hydraulic mechanism, the hydraulic mechanism comprises a fixed shaft, a hydraulic pump and a communicating pipe, and the fixed shaft is vertically fixed on the mounting frame;
the hydraulic pump in store have hydraulic oil, the hydraulic pump includes pump case, sealing plug, pump pole, resume the spring, the pump case is one end opening, one end confined shell structure and its open end installs the pump cover, the blind end has seted up and has dodged the hole, the outside of pump case still is provided with connects the mouth, still is provided with the sleeve on the pump cover, the sleeve movable sleeve is located fixed axle outside and pump case/pump cover and can be around fixed axle axial rotation.
8. The method for dynamically monitoring and controlling the triggering of the thermal field of the boiler according to claim 7, wherein the sealing plug is arranged in the pump shell, one end of the pump rod is fixedly connected with the sealing plug, the other end of the pump rod penetrates through the avoidance hole and is hinged with the free end of the transmission section of the transmission rod, the hinge center line is parallel to the axial direction of the fixed shaft, the recovery spring is arranged between the sealing plug and the pump cover, and the elastic force of the recovery spring drives the sealing plug to move away from the pump cover;
one end of the communicating pipe is communicated with the connecting nozzle, and the other end of the communicating pipe is communicated with equipment corresponding to the heat energy generating area.
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