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CN110107727B - Switch electromagnet with feedback output - Google Patents

Switch electromagnet with feedback output Download PDF

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Publication number
CN110107727B
CN110107727B CN201910382841.6A CN201910382841A CN110107727B CN 110107727 B CN110107727 B CN 110107727B CN 201910382841 A CN201910382841 A CN 201910382841A CN 110107727 B CN110107727 B CN 110107727B
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CN
China
Prior art keywords
hole
connecting seat
electromagnet
rod
switch
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Active
Application number
CN201910382841.6A
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Chinese (zh)
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CN110107727A (en
Inventor
孟凡朋
李振州
黄猛
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Anyang Kaidi Magnetic Technology Co ltd
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Anyang Kaidi Magnetic Technology Co ltd
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Priority to CN201910382841.6A priority Critical patent/CN110107727B/en
Publication of CN110107727A publication Critical patent/CN110107727A/en
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Publication of CN110107727B publication Critical patent/CN110107727B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0083For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnets (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

The utility model provides a take switch electromagnet of feedback output, includes switch electromagnet, fixedly connected with connecting seat A on the switch electromagnet, offered the through-hole along axial direction on the connecting seat A, the through-hole constitute by three diameter difference hole A, hole B, hole C, install high pressure resistant sensor on connecting seat A's lateral wall, high pressure resistant proximity switch sensor inner communicates with each other with hole B, be provided with connecting seat B at connecting seat A's front end, connecting seat B is used for being connected with between the disk seat, connecting seat A's front end is inserted in connecting seat B, connecting seat A and connecting seat B link together through the internal thread cover, offered on the connecting seat B with hole D just to through-hole C, fixedly connected with connecting rod on the push rod of electro-magnet, processing has annular response signal groove on the connecting rod. The electromagnet has a feedback function.

Description

Switch electromagnet with feedback output
Technical Field
The invention relates to an electromagnet, in particular to an electromagnet with feedback output, and belongs to the technical field of electromagnet control devices.
Background
The general electromagnet is electrified through a coil, the armature is attracted, the push rod drives the valve core to move, and the armature and the valve core are reset by the pressure of the spring when the power is off, so that the on-off direction change of an oil way is controlled. The existing electromagnet does not have an output feedback function, namely, the information of the valve rod after action cannot be fed back to a control system, so that whether the medium in the valve flows or not cannot be fed back through the electromagnet, in certain occasions, such as fire safety places and flammable and explosive places, the controller needs to obtain the feedback information of the valve rod action, the existing electromagnet cannot be simply adopted, a special hydraulic valve is needed, a feedback device of the hydraulic valve is arranged on a valve body, the valve body is indispensible, the hydraulic valve is expensive, the hydraulic valve needs to be integrally replaced if the existing common valve is replaced, not only is large in capital consumption, but also needs to have large engineering quantity, the system is required to be integrally stopped in the replacement process, but also in the prior design, the requirement is not met in many occasions needing feedback signals, the original design and installation are all common valves, and the requirement is generated along with the upgrading of management and refinement requirements of management, so that the problem that the feedback signal of the valve rod action can be difficult to solve can be realized on the common valve.
Disclosure of Invention
The invention aims to solve the problem that signal feedback of signal control cannot be realized when a conventional valve is used, and provides a switch electromagnet with feedback output.
In order to achieve the purpose of the invention, the following technical scheme is adopted: the switch electromagnet with feedback output comprises a switch electromagnet, a connecting seat A is fixedly connected to the switch electromagnet, a through hole is formed in the connecting seat A along the axial direction, the axial direction of the connecting seat A is the same as that of a push rod of the switch electromagnet, the through hole consists of three holes A, B and C with different diameters, the hole A is close to the switch electromagnet and has the largest diameter, the hole C is far away from the switch electromagnet and has the smallest diameter, the front end of the switch electromagnet extends into the hole A to be fixedly connected with the connecting seat A, the hole B is positioned between the hole A and the hole C, a high-pressure-resistant sensor is arranged on the side wall of the connecting seat A through a mounting hole, the high-pressure-resistant sensor is radially arranged along the connecting seat A, the inner end of the high-pressure-resistant sensor is communicated with the hole B, connecting seat A oil holes communicated with the hole B are formed in two sides of the hole C, the connecting seat B is arranged at the front end of the connecting seat A, the connecting seat B is used for being connected with the valve seat, the rear end of the connecting seat B is provided with a plug hole, the front end of the connecting seat A is a stepped shaft, the forefront end of the connecting seat A is inserted in the plug hole, a section of gap is reserved between the forefront end of the connecting seat A and the bottom of the plug hole, the periphery of the connecting seat B is provided with an annular bulge, an inner thread sleeve is penetrated at the front part of the annular bulge of the periphery of the connecting seat B, a section of the stepped shaft of the connecting seat A is provided with threads matched with the inner thread sleeve, the connecting seat A and the connecting seat B are connected together through the inner thread sleeve, the connecting seat B is provided with a hole D opposite to the through hole C, the diameter of the hole D is equal to that of the hole C, the two sides of the hole D on the connecting seat B are also provided with oil through holes, a connecting rod is fixedly connected with a connecting rod on a push rod of an electromagnet, the front part of the connecting rod is an elongated rod matched with the hole C and the hole D, the rear part is a thick rod matched with the hole B, an annular induction signal groove is processed on the thick rod, the length of the annular induction signal groove is larger than or equal to the diameter of a mounting hole of the high-voltage-resistant switch sensor, the cross section of the slender rod is square with four arc corners, the square is inscribed square of the hole C, the arc shapes of the four corners are positioned on the same circumference concentric with the hole C, and the difference between the radius of the hole C and the radius of the arc shapes of the four corners is 0.01-0.02mm; further; a plurality of arc pits are processed on the circumferential surface of the thick rod; further; a plurality of grooves are formed in the arc-shaped parts of the four corners of the slender rod along the length direction; further; the length of the annular induction signal groove is larger than or equal to the diameter of the mounting hole of the high-voltage-resistant switch sensor, and when the electromagnet is retracted, the annular induction signal groove is opposite to the mounting hole vertically.
The invention has the positive and beneficial technical effects that: the electromagnet is provided with a high-pressure resistant switch sensor, the connecting rod is provided with an annular sensing signal groove part which is sensed by the high-pressure resistant switch sensor, when the valve rod acts, the high-pressure resistant switch sensor can generate a sensing signal, the sensing signal can be used as a feedback signal of a valve, the electromagnet is provided with a feedback function and can be directly arranged on the current common valve to form an automatic hydraulic control system without adopting an expensive special hydraulic valve, the system can be provided with the feedback control signal under the conditions of small investment and small engineering quantity when the common valve is arranged, and the cost selling price of the electromagnet and the common valve is far lower than that of the special hydraulic valve with the feedback function when the electromagnet is combined with the common valve, so that even if the electromagnet is used in a newly-built system, the investment can be greatly saved, the key is that the electromagnet with feedback is simple in combination of the push rod and the electromagnet at any time, because the push rod is longer, the pressure generated by the pressure change of the press oil of the valve core spring needs to be overcome in the process of pushing the valve core, if the structural design is bad, the connecting rod is easy to be blocked, if the gap between the connecting rod and the hole is large, the blocking is difficult to happen in the early stage, but the positioning is bad, the action is unstable, the local abrasion is easy, the service life of the whole element is low, if the gap between the connecting rod and the hole is small, the positioning is good, if the processing precision is not high, the blocking is extremely easy to happen, if the gap is small, the connecting rod bears larger pressure in the action, the deformation is easy, the blocking is also caused after the deformation, the action is invalid, the connecting rod adopts the positioning of the two ends of the hole B and the hole C, and the pressure born by the valve rod can be reduced when the valve core is pushed through the special section shape of the slender rod, the connecting rod is well positioned and stable in action under the condition that the gap between the connecting rod and the hole is small, the connecting rod is not easy to deform in the use process, the grooves on the slender rod are formed, the positioning is guaranteed, the friction is reduced, the oil way is communicated through the grooves, the connecting rod is uniformly stressed when in action, the action is stable, an arc pit is machined on the circumference of the thick rod, the oil storage is realized, the resistance in the action is reduced, the connecting seat A and the connecting seat B are connected through the internal thread sleeve, and the high-pressure-resistant proximity switch sensor can be always positioned on the upper part in the installation process.
Drawings
Fig. 1 is a schematic view of the present invention when the connecting rod is pushed out.
Fig. 2 is a schematic view of the connecting rod of the present invention as it is retracted.
FIG. 3 is a schematic diagram of the connection base A and the high pressure sensor connected thereto.
Fig. 4 is a schematic view of the connection base B.
Fig. 5 is a schematic view of a cross section of an elongated rod.
Fig. 6 is a schematic view of the connecting rod.
Detailed Description
In order to more fully explain the practice of the invention, examples of the practice of the invention are provided. These examples are merely illustrative of the present invention and do not limit the scope of the invention.
The invention will be explained in further detail with reference to the accompanying drawings, in which: 1: an electromagnet; 2: a connecting seat A;21: a hole A;22, hole B;23: a hole C;24: the oil through hole of the connecting seat A; 25: the forefront end of the connecting seat A; 26: the connecting seat A is provided with a thread; 3: a connecting seat B;31: a hole D;32: plug hole, 33: the oil through hole of the connecting seat B; 34: an annular protrusion; 4: a valve seat; 5: a high voltage tolerant switch sensor; 6: an internal thread sleeve; 7: a connecting rod; 71: an arc shape; 72: a groove; 73: an elongated rod; 74: thick rods; 8: an induction signal groove; 9: a gap.
As shown in the drawing, the switch electromagnet with feedback output comprises a switch electromagnet 1, a connecting seat A2 is fixedly connected to the switch electromagnet, a through hole is formed in the connecting seat A along the axial direction, the axial direction of the connecting seat A is the same as that of a push rod of the switch electromagnet, the through hole consists of three holes A21, B22 and C23 with different diameters, the hole A is close to the switch electromagnet and has the largest diameter, the hole C is far away from the switch electromagnet and has the smallest diameter, the front end of the switch electromagnet extends into the hole A and is fixedly connected with the connecting seat A, the hole B is positioned between the hole A and the hole C, a high-pressure-resistant sensor 5 is arranged on the side wall of the connecting seat A through a mounting hole, the high-pressure-resistant contact switch sensor is radial along the connecting seat A, the inner end of the high-pressure-resistant contact switch sensor is communicated with the hole B, two sides of the hole C are provided with connecting seat A oil holes communicated with the hole B, in the figure 24 shows the oil through hole of the connecting seat A, the front end of the connecting seat A is provided with a connecting seat B3, the connecting seat B is used for being connected with the valve seat 4, the rear end of the connecting seat B is provided with a plug hole, 32 shows the plug hole, the front end of the connecting seat A is a stepped shaft, the foremost end of the connecting seat A is inserted in the plug hole, 25 shows the foremost end of the connecting seat A, the circumferential surface of the foremost end of the connecting seat A is sleeved with a sealing ring, the corresponding plug hole is internally provided with a sealing ring groove, a section of gap is formed between the foremost end of the connecting seat A and the bottom of the plug hole, 9 shows the gap, the gap is important, oil can be stored, the resistance is reduced and stable when the connecting rod advances, the periphery of the connecting seat B is provided with an annular bulge 34, an inner thread sleeve is arranged on the front part of the annular bulge of the periphery of the connecting seat B in a penetrating manner, one section of the stepped shaft of the connecting seat A is provided with threads matched with the inner thread sleeve, the connecting seat A and the connecting seat B are connected together in a transitional manner through an internal thread sleeve, 26 is a threaded part on the connecting seat A, a hole D31 opposite to the through hole C is formed on the connecting seat B, the diameter of the hole D is equal to that of the hole C, two sides of the hole D on the connecting seat B are also provided with connecting seat B oil holes 33, a connecting rod 7 is fixedly connected on a push rod of an electromagnet, the front part of the connecting rod is an elongated rod matched with the hole C and the hole D, 73 is an elongated rod, the rear part of the connecting rod is a thick rod matched with the hole B, 74 is a thick rod, an annular induction signal groove is processed on the thick rod, 8 is an induction signal groove, the length of the annular induction signal groove is larger than or equal to that of a mounting hole of the high-voltage-resistant proximity switch sensor, in the embodiment, the annular induction signal groove 8 is opposite to the mounting hole up and down when the electromagnet retracts,
The section of the slender rod is a square with four arc corners, the arc is shown as 71, the square is an inscribed square of the hole C, the arc of the four corners is positioned on the same circumference concentric with the hole C, and the difference between the radius of the hole C and the radius of the arc of the four corners is 0.01-0.02mm; a plurality of grooves are formed in the arc-shaped parts of the four corners of the slender rod along the length direction; 72 is a groove, so that gaps are formed among four straight edges of the square, the holes D and the holes C when the connecting rod advances, the gaps can be used for oil passing, the pressure bearing of the connecting rod is reduced, the advancing process is stable, and a plurality of arc-shaped pits are formed in the circumferential surface of the thick rod; the arc-shaped pits can store oil, so that friction resistance is reduced during advancing and retracting,
When the electromagnet is used, the front end of the connecting rod is propped against the valve core, when the electromagnet is electrified, the electromagnet push rod pushes the connecting rod to move leftwards, at this time, the hydraulic valve oil path is opened, the thick rod part moves to the high-pressure-resistant switch sensor part, the high-pressure-resistant switch sensor receives signals, and the hydraulic valve conduction signals are transmitted to the controller. When the electromagnet is powered off, the electromagnet push rod is reset, the connecting rod returns to the initial position rightwards, the induction signal groove is opposite to the high-voltage-resistant switch sensor up and down, and meanwhile, the signal loss of the sensor is detected, and the interruption signal of the hydraulic valve is fed back to the controller. In the application, the high-voltage-resistant proximity switch sensor adopts M12X1-6H type, and the technical scheme can be adopted by the applicant in China patent number: 2018212758470 (a high voltage tolerant switch sensor).
Having described embodiments of the present invention in detail, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the scope and spirit of the invention as defined in the appended claims, and any simple, equivalent changes and modifications to the above examples are intended to be within the scope of the present invention and the invention is not limited to the embodiments as set forth in the specification.

Claims (4)

1. The utility model provides a take feedback output's switch electromagnet, includes switch electromagnet, its characterized in that: the switch electromagnet is fixedly connected with a connecting seat A, a through hole is formed in the connecting seat A along the axial direction, the axial direction of the connecting seat A is the same as the axial direction of a push rod of the switch electromagnet, the through hole consists of three holes A, B and C with different diameters, the hole A is close to the switch electromagnet and has the largest diameter, the hole C is far away from the switch electromagnet and has the smallest diameter, the front end of the switch electromagnet extends into the hole A to be fixedly connected with the connecting seat A, the hole B is positioned between the hole A and the hole C, a high-voltage-resistant proximity switch sensor is arranged on the side wall of the connecting seat A through a mounting hole, the high-voltage-resistant proximity switch sensor is radial to the connecting seat A, the inner end of the high-voltage-resistant proximity switch sensor is communicated with the hole B, oil holes of the connecting seat A communicated with the hole B are formed in two sides of the hole C, the connecting seat B is arranged at the front end of the connecting seat A, the connecting seat B is used for being connected with a valve seat, the rear end of the connecting seat B is provided with a plug hole, the front end of the connecting seat A is a stepped shaft, the foremost end of the connecting seat A is inserted into the plug hole, a section of gap is reserved between the foremost end of the connecting seat A and the bottom of the plug hole, the periphery of the connecting seat B is provided with an annular bulge, an internal thread sleeve is arranged on the front part of the annular bulge on the periphery of the connecting seat B in a penetrating way, one section of the stepped shaft of the connecting seat A is provided with threads matched with the internal thread sleeve, the connecting seat A and the connecting seat B are connected together through the internal thread sleeve, the connecting seat B is provided with a hole D opposite to the hole C, the diameter of the hole D is equal to that of the hole C, the two sides of the hole D on the connecting seat B are also provided with connecting seat B oil holes, a connecting rod is fixedly connected to a push rod of an electromagnet, the front part of the connecting rod is an elongated rod matched with the hole C and the hole D, the rear part is a thick rod matched with the hole B, the thick rod is provided with an annular induction signal groove, the length of the annular induction signal groove is greater than or equal to the diameter of a mounting hole of the high-voltage-resistant switch sensor, the section of the slender rod is square with four corners being arc-shaped, the square is inscribed square of a hole C, the arc-shaped of the four corners is positioned on the same circumference concentric with the hole C, and the difference between the radius of the hole C and the radius of the arc-shaped of the four corners is 0.01-0.02mm.
2. The switching electromagnet with feedback output of claim 1, wherein: the circumference of the thick rod is provided with a plurality of arc pits.
3. The switching electromagnet with feedback output of claim 1, wherein: a plurality of grooves are formed in the arc-shaped portions of the four corners of the elongated rod in the length direction.
4. The switching electromagnet with feedback output of claim 1, wherein: the length of the annular induction signal groove is larger than or equal to the diameter of the mounting hole of the high-voltage-resistant switch sensor, and when the electromagnet is retracted, the annular induction signal groove is opposite to the mounting hole vertically.
CN201910382841.6A 2019-05-09 2019-05-09 Switch electromagnet with feedback output Active CN110107727B (en)

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Application Number Priority Date Filing Date Title
CN201910382841.6A CN110107727B (en) 2019-05-09 2019-05-09 Switch electromagnet with feedback output

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Application Number Priority Date Filing Date Title
CN201910382841.6A CN110107727B (en) 2019-05-09 2019-05-09 Switch electromagnet with feedback output

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CN110107727A CN110107727A (en) 2019-08-09
CN110107727B true CN110107727B (en) 2024-06-04

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1281168A (en) * 1999-07-16 2001-01-24 速睦喜股份有限公司 Method and device for action management of electromagnetic valve
KR100866069B1 (en) * 2007-10-12 2008-10-30 주식회사 파카한일유압 Hydraulic valve with spool position sensor
CN201202874Y (en) * 2008-04-11 2009-03-04 台湾油研股份有限公司 Improved solenoid valve structure
CN208107278U (en) * 2018-04-28 2018-11-16 温州大学 A kind of high speed electrohydraulic switch valve based on laser gain material manufacture spool
CN109237108A (en) * 2018-10-31 2019-01-18 安徽环名精控有限公司 A kind of solenoid electric valve for engine piston cooling system
CN208638341U (en) * 2018-08-09 2019-03-22 安阳凯地电磁技术有限公司 A kind of high pressure resistant approach switch sensor
CN209876108U (en) * 2019-05-09 2019-12-31 安阳凯地电磁技术有限公司 Switch electromagnet with feedback output

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6824120B2 (en) * 2001-11-09 2004-11-30 Denso Corporation Flow amount control device
JP2006017189A (en) * 2004-06-30 2006-01-19 Denso Corp Solenoid valve
US20140124067A1 (en) * 2011-04-01 2014-05-08 Robert Bosch Gmbh Valve and hydraulic control

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1281168A (en) * 1999-07-16 2001-01-24 速睦喜股份有限公司 Method and device for action management of electromagnetic valve
KR100866069B1 (en) * 2007-10-12 2008-10-30 주식회사 파카한일유압 Hydraulic valve with spool position sensor
CN201202874Y (en) * 2008-04-11 2009-03-04 台湾油研股份有限公司 Improved solenoid valve structure
CN208107278U (en) * 2018-04-28 2018-11-16 温州大学 A kind of high speed electrohydraulic switch valve based on laser gain material manufacture spool
CN208638341U (en) * 2018-08-09 2019-03-22 安阳凯地电磁技术有限公司 A kind of high pressure resistant approach switch sensor
CN109237108A (en) * 2018-10-31 2019-01-18 安徽环名精控有限公司 A kind of solenoid electric valve for engine piston cooling system
CN209876108U (en) * 2019-05-09 2019-12-31 安阳凯地电磁技术有限公司 Switch electromagnet with feedback output

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