CN114113708B - Safety detector for fire-fighting electric facilities - Google Patents
Safety detector for fire-fighting electric facilities Download PDFInfo
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- CN114113708B CN114113708B CN202111431220.6A CN202111431220A CN114113708B CN 114113708 B CN114113708 B CN 114113708B CN 202111431220 A CN202111431220 A CN 202111431220A CN 114113708 B CN114113708 B CN 114113708B
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- guide cylinder
- fixedly connected
- conductive block
- temperature
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- 238000001514 detection method Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 239000000523 sample Substances 0.000 claims abstract description 22
- 230000008602 contraction Effects 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 238000010616 electrical installation Methods 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/16—Special arrangements for conducting heat from the object to the sensitive element
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/02—Measuring temperature based on the expansion or contraction of a material the material being a liquid
- G01K5/14—Measuring temperature based on the expansion or contraction of a material the material being a liquid the liquid displacing a further liquid column or a solid body
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/01—Control of temperature without auxiliary power
- G05D23/02—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
- G05D23/024—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature the sensing element being of the rod type, tube type, or of a similar type
- G05D23/026—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature the sensing element being of the rod type, tube type, or of a similar type the sensing element being placed outside a regulating fluid flow
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Fire Alarms (AREA)
Abstract
The invention belongs to the field of safety detectors, and particularly relates to a fire-fighting electrical facility safety detector, which comprises an electrical control cabinet, wherein a shell is fixedly arranged at the top of the electrical control cabinet, a detection box is arranged in the shell, two probes are arranged at the bottom of the detection box, a temperature sensing mechanism for detecting the temperature in the electrical control cabinet is fixedly arranged at the bottom of the detection box, and a driving mechanism for driving the detection box to move is arranged at the output end of the temperature sensing mechanism; the temperature sensing mechanism comprises a temperature guide cylinder fixedly connected to the bottom of the shell, the lower end of the temperature guide cylinder extends into the electrical control cabinet, a corrugated pipe is arranged in the temperature guide cylinder, a thermal expansion medium and a cold contraction medium are filled in the corrugated pipe, and a lifting plate slides in the temperature guide cylinder. According to the invention, the working state of the detection box and the working position of the probe can be adjusted according to the internal environment temperature of the electrical control cabinet, manual regulation and control are not needed, the use is convenient, the invalid operation of the detection box is avoided, and the service life of the detection box is prolonged.
Description
Technical Field
The invention belongs to the field of safety detectors, and particularly relates to a safety detector for fire-fighting electrical facilities.
Background
People's life has entered the electrified era along with the development of science and technology, and for some electrical control cabinets, it has also induced a large amount of fires for various reasons when improving people's life, brings serious loss for life and production, in order to reduce and prevent fire hazard, maintains public safety, needs to install the safety detector in electrical facilities to monitor and detect electrical facilities.
Most of the existing safety detectors are arranged in the electrical facilities, the positions of the existing safety detectors are fixed, when the safety detectors are used, cabinet doors of the electrical facilities are often required to be opened, the safety detectors can be regulated and controlled, the safety detectors are inconvenient to use, and the opening and closing states of the safety detectors cannot be automatically regulated according to the working conditions of the electrical facilities, so that the safety detectors still continue to work when the electrical facilities normally work without danger, the cost is increased, and electric energy waste is caused; after the probe is used for a long time, dust is easy to adhere to the surface of the probe, and the accuracy of a detection result is affected.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides an automatic-control intelligent fire-fighting electric facility safety detector.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a fire control electrical equipment safety detector, includes the electrical control cabinet, the top fixed mounting of electrical control cabinet has the casing, be provided with the detection box in the casing, the bottom of detection box is provided with two probes, the bottom of detection box is fixedly provided with the temperature sensing mechanism that is used for detecting the interior temperature of electrical control cabinet, the output of temperature sensing mechanism is provided with the actuating mechanism that is used for driving the detection box and removes;
the temperature sensing mechanism comprises a temperature guide cylinder fixedly connected to the bottom of the shell, the lower end of the temperature guide cylinder extends into the electrical control cabinet, a corrugated pipe is arranged in the temperature guide cylinder, a thermal expansion and contraction medium is filled in the corrugated pipe, a lifting plate is arranged in the temperature guide cylinder in a sliding mode, the upper end of the corrugated pipe is fixed with the lifting plate, a rack is fixedly connected to the lifting plate, and the upper end of the rack extends into the shell;
the detection device comprises a shell, and is characterized in that a control mechanism for controlling the detection box to be opened and closed is arranged on the rack, the control mechanism comprises a pressing ball fixedly connected to the upper end of the rack, a fixing plate is fixedly connected to the side wall of the shell, a guide cylinder is fixedly connected to the bottom surface of the fixing plate and is located right above the rack, a pressure-sensitive controller is arranged on the inner top surface of the guide cylinder, the detection box is connected with an external power supply through the pressure-sensitive controller, a pressing plate is connected in the guide cylinder in a sliding mode, and a contact which is opposite to and matched with the pressure-sensitive controller is fixedly arranged on the upper surface of the pressing plate, and when the contact is in contact with the pressure-sensitive controller, a circuit of the detection box is conducted.
Further, be provided with two spacing grooves on the inner wall of guide cylinder, two the spacing inslot all is provided with along its gliding slider, two the slider is fixed with the lateral wall of clamp plate, be provided with buffer spring in the spacing groove, buffer spring's both ends are connected with the inner wall of slider and spacing groove respectively.
Further, the driving mechanism comprises a rotating rod which is rotatably connected to the inner wall of the shell, a gear is fixedly connected to the rotating rod, and the gear is meshed with the rack.
Further, actuating mechanism still includes two screw rods that rotate and connect in the top surface in the casing, two the lower extreme fixedly connected with worm wheel of screw rod, fixed cover is equipped with the worm on the dwang, worm and worm wheel meshing, two equal screw thread fit in the screw rod has special-shaped nut outward, detection box fixed connection is between two special-shaped nuts.
Further, the rotating rod is fixedly sleeved with a rotating cylinder coaxial with the rotating rod, and bristles are embedded in the peripheral side wall of the rotating cylinder.
Further, the rotating rod is fixedly provided with a wire spool, the detection box is provided with a power wire, and the wiring end of the power wire is wound on the wire spool and extends out of the shell.
Further, fixedly be provided with the inflator on the fixed plate, sealed sliding connection has the piston in the inflator, the fixed electro-magnet that is provided with of one end of inflator, the part that the piston is close to the electro-magnet adopts ferromagnetic material to make, and the piston homopolar is relative with the electro-magnet, be connected with reset spring on the lateral wall of piston one side, reset spring keeps away from the one end of piston and is fixed with the inner wall of inflator, the output intercommunication of inflator has the nozzle, the intercommunication department of nozzle and inflator is provided with the check valve.
Further, be provided with the recess on the inner wall of casing, be provided with first conducting bar and the second conducting bar of matching in the recess, first conducting bar and second conducting bar all are fan-shaped structure, the dwang extends to in the recess, first conducting bar fixed connection is on the week lateral wall of dwang, second conducting bar fixed connection is on the inner wall of recess, the electro-magnet passes through first conducting bar and second conducting bar and is connected with external power source when first conducting bar rotates to contact with the second conducting bar, makes electromagnet circuit switches on.
Compared with the prior art, the safety detector for the fire-fighting electrical facility has the advantages that:
1. according to the invention, when the internal temperature of the electrical control cabinet is higher and potential safety hazards exist, the thermal expansion and contraction medium in the corrugated pipe is heated and expanded to push the rack to move upwards, so that the detection box moves downwards, the two probes extend into the electrical control cabinet, and after the rack moves upwards to the limit position, the contact contacts with the pressure-sensitive controller to conduct the circuit of the detection box, so that the temperature, humidity and other environments in the electrical control cabinet can be monitored and detected, the guarantee is provided for fire safety, manual regulation is not needed, and the use is convenient.
2. According to the invention, when the internal temperature of the electrical control cabinet is normal and no potential safety hazard exists, the corrugated pipe is contracted and restored, the rack is driven to move downwards and reset, and then the detection box is driven to move upwards, so that the probe is retracted into the shell, the contact is separated from the pressure-sensitive controller, the circuit of the detection box is disconnected, the invalid operation of the detection box is avoided, and the service life of the detection box is prolonged.
3. According to the invention, the rotating drum and the brush hair are arranged, when the detection box moves downwards, the rotating rod drives the rotating drum to rotate synchronously, the brush hair can clean the surface of the probe, the influence of dust coverage on the detection result is avoided, and the detection reliability is improved.
4. According to the invention, the wire spool is arranged and can synchronously rotate along with the rotating rod, so that the power line is released and wound when the detection box moves up or down, and the power line is prevented from being wound unordered in the shell.
5. According to the invention, the air cylinder and the electromagnet are arranged, and the first conductive block is driven to rotate by the rotating rod in the lifting process of the detection box, so that the electromagnet is intermittently electrified, and then the piston is driven to reciprocate in the air cylinder, so that air in the air cylinder is intermittently blown out by the nozzle, dust on the surface of the probe is blown off, and the cleaning effect of the probe is further improved.
Drawings
FIG. 1 is a schematic diagram of a fire electrical equipment safety detector provided by the invention;
FIG. 2 is a schematic view of the internal structure of a housing in the fire electrical equipment safety detector provided by the invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of the internal structure of a guide cylinder in a safety detector for fire electrical equipment, provided by the invention;
FIG. 5 is a schematic view of the internal structure of the inflator in the safety detector for fire electrical facilities provided by the invention;
fig. 6 is a side view of the internal structure of the groove in the safety detector for fire electric facilities provided by the invention.
In the figure, 1 electrical control cabinet, 2 casing, 3 detection box, 4 probe, 5 guide temperature section of thick bamboo, 6 bellows, 7 lifter plate, 8 racks, 9 ball presses, 10 fixed plates, 11 guide cylinder, 12 pressure sensitive controller, 13 clamp plates, 14 contacts, 15 spacing groove, 16 slider, 17 buffer spring, 18 dwang, 19 gear, 20 lead screw, 21 worm wheel, 22 worm, 23 special-shaped nut, 24 rotary drum, 25 brush hair, 26 wire reel, 27 power cord, 28 air drum, 29 piston, 30 electro-magnet, 31 reset spring, 32 nozzle, 33 recess, 34 first conductive block, 35 second conductive block.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
As shown in fig. 1-6, a fire-fighting electrical facility safety detector comprises an electrical control cabinet 1, wherein a shell 2 is fixedly arranged at the top of the electrical control cabinet 1, a detection box 3 is arranged in the shell 2, two probes 4 are arranged at the bottom of the detection box 3, the two probes 4 are respectively used for detecting humidity and temperature conditions in the electrical control cabinet 1 so as to monitor fire conditions, a temperature sensing mechanism used for detecting the temperature in the electrical control cabinet 1 is fixedly arranged at the bottom of the detection box 3, and a driving mechanism used for driving the detection box 3 to move is arranged at the output end of the temperature sensing mechanism.
The temperature sensing mechanism comprises a heat conduction cylinder 5 fixedly connected to the bottom of the shell 2, the lower end of the heat conduction cylinder 5 extends into the electrical control cabinet 1, a corrugated pipe 6 is arranged in the heat conduction cylinder 5, a heat expansion and cold contraction medium is filled in the corrugated pipe 6, the heat conduction cylinder 5 is made of a metal material and has good heat conduction performance, heat in the electrical control cabinet 1 can be quickly transferred into the corrugated pipe 6, the heat expansion and cold contraction medium can adopt kerosene or mercury, when the temperature is higher, the heat expansion and cold contraction medium is heated and expanded, the corrugated pipe deforms and stretches, when the temperature is reduced, the corrugated pipe is restored, the corrugated pipe contracts and recovers, a lifting plate 7 slides in the heat conduction cylinder 5, the upper end of the corrugated pipe 6 is fixed with the lifting plate 7, a rack 8 is fixedly connected to the lifting plate 7, and the upper end of the rack 8 extends into the shell 2.
The control mechanism for controlling the opening and closing of the detection box 3 is arranged on the rack 8 and comprises a pressing ball 9 fixedly connected to the upper end of the rack 8, a fixing plate 10 is fixedly connected to the side wall of the shell 2, a guide cylinder 11 is fixedly connected to the bottom surface of the fixing plate 10, the guide cylinder 11 is located right above the rack 8, a pressure sensitive controller 12 is arranged on the inner top surface of the guide cylinder 11, the detection box 3 is connected with an external power supply through the pressure sensitive controller 12, the pressure sensitive controller 12 is made of a semiconductor material, the resistance value is large in a natural state, the circuit is in an open circuit state, mechanical deformation occurs when the circuit is pressed, the resistance value is reduced, the circuit of the detection box 3 can be conducted, a pressing plate 13 is connected in the guide cylinder 11 in a sliding mode, and a contact 14 which is opposite to and matched with the pressure sensitive controller 12 is fixedly arranged on the upper surface of the pressing plate 13, and the circuit of the detection box 3 is conducted when the contact 14 is contacted with the pressure sensitive controller 12.
Two limit grooves 15 are formed in the inner wall of the guide cylinder 11, sliding blocks 16 sliding along the limit grooves are arranged in the two limit grooves 15, the two sliding blocks 16 are fixed with the side wall of the pressing plate 13, buffer springs 17 are arranged in the limit grooves 15, two ends of each buffer spring 17 are connected with the sliding blocks 16 and the inner wall of each limit groove 15 respectively, the limit grooves 15 are used for limiting the pressing plate 13, and the buffer springs 17 play a buffering role when the pressing plate 13 moves upwards, so that the contact 14 is prevented from damaging the pressure-sensitive controller 12 by extrusion.
The driving mechanism comprises a rotating rod 18 rotatably connected to the inner wall of the shell 2, a gear 19 is fixedly connected to the rotating rod 18, and the gear 19 is meshed with the rack 8.
The driving mechanism further comprises two screw rods 20 which are rotatably connected to the inner top surface of the shell 2, worm wheels 21 are fixedly connected to the lower ends of the two screw rods 20, worm rods 22 are fixedly sleeved on the rotating rods 18, the worm rods 22 are meshed with the worm wheels 21, special-shaped nuts 23 are matched with the outer threads of the two screw rods 20, and the detection box 3 is fixedly connected between the two special-shaped nuts 23.
The rotary rod 18 is fixedly sleeved with the rotary tube 24 coaxial with the rotary rod, the peripheral side wall of the rotary tube 24 is embedded with bristles 25, when the detection box 3 moves downwards, the rotary rod 18 drives the rotary tube 24 to synchronously rotate, the bristles 25 can clean the surface of the probe 4, the detection result is prevented from being influenced by dust coverage, and the detection reliability is improved.
The wire spool 26 is fixedly arranged on the rotating rod 18, the power wire 27 is arranged on the detection box 3, the wiring end of the power wire 27 is wound on the wire spool 26 and extends out of the shell 2, the wire spool 26 can synchronously rotate along with the rotating rod 18, and when the detection box 3 moves up or down, the power wire 27 is released and wound, so that the power wire 27 is prevented from being wound in the shell 2 in disorder.
The fixed plate 10 is fixedly provided with the inflator 28, be equipped with one-way inlet port on the lateral wall of inflator 28, sealed sliding connection has piston 29 in the inflator 28, the fixed electro-magnet 30 that is provided with of one end of inflator 28, the part that piston 29 is close to electro-magnet 30 adopts ferromagnetic material to the piston 29 homopolar is relative with electro-magnet 30, be connected with reset spring 31 on the lateral wall of piston 29 one side, reset spring 31 keeps away from the one end of piston 29 and is fixed with the inner wall of inflator 28, the output intercommunication of inflator 28 has nozzle 32, the intercommunication department of nozzle 32 and inflator 28 is provided with the check valve, the check valve only allows the air in the inflator 28 to spout by nozzle 32.
The inner wall of the shell 2 is provided with a groove 33, a first conductive block 34 and a second conductive block 35 which are matched are arranged in the groove 33, the first conductive block 34 and the second conductive block 35 are of a fan-shaped structure, the rotating rod 18 extends into the groove 33, the first conductive block 34 is fixedly connected to the peripheral side wall of the rotating rod 18, the second conductive block 35 is fixedly connected to the inner wall of the groove 33, the electromagnet 30 is connected with an external power supply through the first conductive block 34 and the second conductive block 35, when the first conductive block 34 rotates to be in contact with the second conductive block 35, the electromagnet 30 is conducted in a circuit, the detecting box is intermittently electrified in the lifting process, the piston 29 is driven to reciprocate in the air cylinder 28, air in the air cylinder 28 is intermittently blown out by the nozzle 32, dust on the surface of the probe 4 is blown off, and the cleaning effect on the probe 4 is further improved.
In the working process of the invention, when the internal temperature of the electrical control cabinet 1 is higher and potential safety hazards exist, the thermal expansion and contraction medium in the corrugated pipe 6 is heated and expanded to push the rack 8 to move upwards, the rack 8 is meshed with the gear 19 and then drives the gear 19 to rotate, the gear 19 drives the rotating rod 18 fixed with the gear 19 to rotate, the worm wheel 21 is meshed with the worm 22 and then drives the worm wheel 21 to rotate, the two screw rods 20 synchronously rotate to drive the special-shaped nuts 23 in threaded fit with the worm wheel 21 to move downwards, so that the detection box 3 moves downwards, the two probes 4 extend into the electrical control cabinet 1, and after the rack 8 moves upwards to the limit position, the pressing ball 9 pushes the pressing plate 13 to move upwards, so that the contact 14 is contacted and pressed with the pressure-sensitive controller 12, and then the circuit of the detection box 3 is conducted, the temperature, the humidity and other environments in the electrical control cabinet 1 can be monitored and detected, fire safety is provided, manual regulation is not needed, and the use is convenient.
When the internal temperature of the electrical control cabinet 1 is normal, and no potential safety hazard exists, the heat expansion and cold contraction medium cools and contracts, so that the corrugated pipe 6 contracts and recovers, the rack 8 is driven to move downwards for resetting, the rotating rod 18 is driven to rotate reversely, the detection box 3 is driven to move upwards for resetting, the probe 4 is retracted into the shell 2, the pressing plate 13 resets under the action of the elastic force of the buffer spring 17, the contact 14 is separated from the pressure-sensitive controller 12, the circuit of the detection box 3 is disconnected, the invalid operation of the detection box 3 is avoided, and the service life of the detection box is prolonged.
In the downward moving process of the detection box 3, the rotating rod 18 drives the rotary drum 24 to synchronously rotate, the brush hair 25 can clean the surface of the probe 4, the detection result is prevented from being influenced by dust coverage, the detection reliability is improved, the wire spool 26 can synchronously rotate along with the rotating rod 18, and when the detection box 3 moves up or moves down, the power wire 27 is released and wound, so that the power wire 27 is prevented from being wound in the shell 2 in a disordered manner.
In the lifting process of the detection box 3, the first conductive block 34 is driven to rotate by the rotating rod 18, and when the first conductive block 34 rotates, the first conductive block is intermittently contacted with the second conductive block 35, so that the electromagnet 30 is intermittently electrified, and then the piston 29 is driven to reciprocate in the air cylinder 28, so that air in the air cylinder 28 is intermittently blown out by the nozzle 32, dust on the surface of the probe 4 is blown off, and the cleaning effect on the probe 4 is further improved.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides a fire control electrical equipment safety detector, includes electrical control cabinet (1), its characterized in that, the top fixed mounting of electrical control cabinet (1) has casing (2), be provided with detection box (3) in casing (2), the bottom of detection box (3) is provided with two probes (4), the fixed temperature sensing mechanism that is used for detecting the interior temperature of electrical control cabinet (1) that is provided with in bottom of detection box (3), temperature sensing mechanism's output is provided with the actuating mechanism that is used for driving detection box (3) to remove;
the temperature sensing mechanism comprises a temperature guide cylinder (5) fixedly connected to the bottom of the shell (2), the lower end of the temperature guide cylinder (5) extends into the electrical control cabinet (1), a corrugated pipe (6) is arranged in the temperature guide cylinder (5), a thermal expansion and contraction medium is filled in the corrugated pipe (6), a lifting plate (7) is arranged in the temperature guide cylinder (5) in a sliding mode, the upper end of the corrugated pipe (6) is fixed with the lifting plate (7), a rack (8) is fixedly connected onto the lifting plate (7), and the upper end of the rack (8) extends into the shell (2);
the automatic detection device is characterized in that a control mechanism for controlling the detection box (3) to be opened and closed is arranged on the rack (8), the control mechanism comprises a pressing ball (9) fixedly connected to the upper end of the rack (8), a fixing plate (10) is fixedly connected to the side wall of the shell (2), a guide cylinder (11) is fixedly connected to the bottom surface of the fixing plate (10), the guide cylinder (11) is located right above the rack (8), a pressure-sensitive controller (12) is arranged on the inner top surface of the guide cylinder (11), the detection box (3) is connected with an external power supply through the pressure-sensitive controller (12), a pressing plate (13) is connected in a sliding mode in the guide cylinder (11), and contacts (14) which are right opposite to and matched with the pressure-sensitive controller (12) are fixedly arranged on the upper surface of the pressing plate (13), and when the contacts (14) are in contact with the pressure-sensitive controller (12), a circuit of the detection box (3) is conducted.
2. The fire protection electrical facility safety detector according to claim 1, wherein two limit grooves (15) are formed in the inner wall of the guide cylinder (11), sliding blocks (16) sliding along the limit grooves are arranged in the two limit grooves (15), the two sliding blocks (16) are fixed with the side wall of the pressing plate (13), buffer springs (17) are arranged in the limit grooves (15), and two ends of each buffer spring (17) are connected with the sliding blocks (16) and the inner wall of each limit groove (15).
3. The fire electrical equipment safety detector according to claim 1, wherein the driving mechanism comprises a rotating rod (18) rotatably connected to the inner wall of the casing (2), a gear (19) is fixedly connected to the rotating rod (18), and the gear (19) is meshed with the rack (8).
4. The fire control electrical installation safety detector according to claim 3, wherein the driving mechanism further comprises two screw rods (20) rotatably connected to the inner top surface of the shell (2), the lower ends of the two screw rods (20) are fixedly connected with worm wheels (21), worm shafts (22) are fixedly sleeved on the rotating rods (18), the worm shafts (22) are meshed with the worm wheels (21), special-shaped nuts (23) are matched with the outer threads of the two screw rods (20), and the detection box (3) is fixedly connected between the two special-shaped nuts (23).
5. A fire electrical equipment safety detector according to claim 3, characterized in that the rotating rod (18) is externally fixed and sleeved with a rotary drum (24) coaxial with the rotating rod, and the peripheral side wall of the rotary drum (24) is embedded with bristles (25).
6. A fire electrical installation safety detector according to claim 3, wherein a wire spool (26) is fixedly arranged on the rotating rod (18), a power wire (27) is arranged on the detection box (3), and a terminal of the power wire (27) is wound on the wire spool (26) and extends out of the shell (2).
7. The fire protection electrical equipment safety detector according to claim 3, wherein an air cylinder (28) is fixedly arranged on the fixing plate (10), a piston (29) is connected in the air cylinder (28) in a sealing sliding manner, an electromagnet (30) is fixedly arranged at one end of the air cylinder (28), a part, close to the electromagnet (30), of the piston (29) is made of ferromagnetic materials, the piston (29) is homopolar opposite to the electromagnet (30), a return spring (31) is connected to the side wall on one side of the piston (29), one end, far away from the piston (29), of the return spring (31) is fixed with the inner wall of the air cylinder (28), a nozzle (32) is communicated with the output end of the air cylinder (28), and a one-way valve is arranged at the communication position of the nozzle (32) and the air cylinder (28).
8. The fire protection electrical equipment safety detector according to claim 7, wherein a groove (33) is formed in the inner wall of the casing (2), a first conductive block (34) and a second conductive block (35) which are matched are arranged in the groove (33), the first conductive block (34) and the second conductive block (35) are of fan-shaped structures, the rotating rod (18) extends into the groove (33), the first conductive block (34) is fixedly connected to the peripheral side wall of the rotating rod (18), the second conductive block (35) is fixedly connected to the inner wall of the groove (33), the electromagnet (30) is connected with an external power supply through the first conductive block (34) and the second conductive block (35), and when the first conductive block (34) rotates to be in contact with the second conductive block (35), the circuit of the electromagnet (30) is conducted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN210202343U (en) * | 2019-07-18 | 2020-03-27 | 刘坤 | Electrical engineering quality safety detector |
| CN111707802A (en) * | 2020-07-06 | 2020-09-25 | 郑州恒领电子科技有限公司 | Intelligent combustible gas detector |
| CN112097928A (en) * | 2020-09-14 | 2020-12-18 | 国网河南省电力公司温县供电公司 | Electrical electric shock temperature measuring device convenient to measure |
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| CN210202343U (en) * | 2019-07-18 | 2020-03-27 | 刘坤 | Electrical engineering quality safety detector |
| CN111707802A (en) * | 2020-07-06 | 2020-09-25 | 郑州恒领电子科技有限公司 | Intelligent combustible gas detector |
| CN112097928A (en) * | 2020-09-14 | 2020-12-18 | 国网河南省电力公司温县供电公司 | Electrical electric shock temperature measuring device convenient to measure |
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