CN205490289U - High pressure winding motor rotor side speed adjusting device - Google Patents
High pressure winding motor rotor side speed adjusting device Download PDFInfo
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- CN205490289U CN205490289U CN201620128630.1U CN201620128630U CN205490289U CN 205490289 U CN205490289 U CN 205490289U CN 201620128630 U CN201620128630 U CN 201620128630U CN 205490289 U CN205490289 U CN 205490289U
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Abstract
The utility model discloses a high pressure winding motor rotor side speed adjusting device, high pressure winding motor's rotor inclines respectively that parallel connection has the short circuit contactor, liquid hinders and starts unit and rectifier, the input of rectifier passes through rotor side joint tentaculum and is connected with high -pressure winding motor's rotor side, the first reactor of output end positive electrode through establishing ties of rectifier, contrary only diode and second reactor are connected to the input positive pole of dc -to -ac converter, the contrary positive pole that ends the diode is connected to the collecting electrode of copped wave switch, the projecting pole of copped wave switch is connected to the output end of cathode of rectifier, the output end of cathode of rectifier is connected with the input negative pole of dc -to -ac converter, the contravariant side joint tentaculum of interchange output through establishing ties of dc -to -ac converter, fusing protected location and contravariant transformer are connected to high -pressure winding motor's stator side. The utility model discloses can improve the not enough of prior art, make high -pressure rotor frequency conversion ware structure simpler, bulky range is reduced.
Description
Technical field
This utility model relates to high-voltage motor speed adjusting technique field, especially a kind of high-tension winding rotor side arrangements for speed regulation.
Background technology
High pressure rotor converter is a kind of high-tension winding motor speed regulation equipment grown up in recent years, is generally used for the high-tension winding motor of Driving Fan load of the pumps.It is widely used at multiple fields such as electric power, building materials, water conservancy, city heat supply, water supply.
High pressure rotor frequency converter speed regulating device in the market is typically configured to bypass starting cabinet, rectification variable-frequency cabinet, inverter cabinet and transformer case.Device is typically made up of three to five cupboards, and structure complexity volume is too fat to move.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of high-tension winding rotor side arrangements for speed regulation, it is possible to solving the deficiencies in the prior art, make high pressure rotor frequency changer simpler, volume significantly reduces.
For solving above-mentioned technical problem, technical solution adopted in the utility model is as follows.
nullA kind of high-tension winding rotor side arrangements for speed regulation，The rotor-side of high-tension winding motor is connected in parallel to short circuit contactor respectively、Liquid resistance start unit and commutator，The input of commutator is connected with the rotor-side of high-tension winding motor by rotor-side catalyst，The output head anode of commutator is by the first reactor of series connection、Check diode and the second reactor are connected to the input anode of inverter，The positive pole of check diode is connected to the colelctor electrode of chopping switch，The emitter stage of chopping switch is connected to the negative pole of output end of commutator，The negative pole of check diode is connected to the negative pole of output end of commutator (U) by the first electric capacity，The two ends of the first electric capacity are parallel with protection diode，The negative pole of output end of commutator is connected with the input cathode of inverter，The ac output end of inverter is by the inverter side catalyst of series connection、Fuse protection unit and contravariant transformer are connected to the stator side of high-tension winding motor，The low-pressure side of contravariant transformer is connected with fuse protection unit，The high-pressure side of contravariant transformer is connected with the stator side of high-tension winding motor.
As preferably, described short circuit contactor one end is connected with the rotor-side of high-tension winding motor, other end Y-connection.
As preferably, described liquid resistance start unit includes that liquid hinders cut-in and cut-off contactor, and one end of liquid resistance cut-in and cut-off contactor connects the rotor-side of high-tension winding motor, Y-connection after other end series connection liquid resistance.
As preferably, described inverter includes three-phase full-bridge inverter and for controlling the inverter control circuit of three-phase full-bridge inverter.
nullAs preferably，Described inverter control circuit includes that 50Hz exchanges reference signal source，The 50Hz exchange reference signal source the first variable resistance by series connection、First resistance and the 3rd electric capacity are connected to the positive input of the first amplifier，The reverse input end ground connection of the first amplifier，It is parallel with the 3rd diode and the 4th diode between positive input and the reverse input end of the first amplifier，3rd diode and the 4th diode reverse are in parallel，、By the second capacity earth between first resistance and the 3rd electric capacity，The outfan of the first amplifier is connected to the AIN pin of phase-locked loop chip，The INH pin ground connection of phase-locked loop chip，The CA pin of phase-locked loop chip is connected by the 4th electric capacity with CB pin，The R1 pin of phase-locked loop chip is by the 3rd resistance connected and the second adjustable resistance ground connection，The R2 pin of phase-locked loop chip passes through the 4th resistance eutral grounding，The AIN pin of phase-locked loop chip is connected to high level by the second resistance，The PC1 pin of phase-locked loop chip is connected to the VCIN pin of phase-locked loop chip by the 5th resistance，The VCIN pin of phase-locked loop chip passes through the 5th capacity earth，The VCOUT pin of phase-locked loop chip passes through the 4th resistance eutral grounding，The VCOUT pin of phase-locked loop chip is connected to the CLK pin of frequency divider chip，The RST pin ground connection of frequency divider chip，The Q7 pin of frequency divider chip is connected to the RST pin of shift register chip by the 6th resistance connected and the 7th resistance，6th resistance and the 7th resistance indirectly，The Q2 pin of shift register chip is connected to the input of the first NOT gate chip，The outfan of the first NOT gate chip is commonly connected to the D pin of shift register chip with the BIN pin being connected to phase-locked loop chip，The RST pin of shift register chip is connected to high level by the 6th electric capacity，The D pin of shift register chip is connected to the RST pin of counter chip by the 7th electric capacity，The CLK pin of shift register chip and the Q7 pin of frequency divider chip are commonly connected to the CLK pin of counter chip，The RST pin of counter chip passes through the 8th resistance eutral grounding，8th resistance two ends reverse parallel connection has the 5th diode，The ENA pin ground connection of counter chip，The Q0 pin of counter chip and Q1 pin are respectively connecting to two outfans of first or door，The Q1 pin of counter chip and Q2 pin are respectively connecting to two outfans of second or door，The Q2 pin of counter chip and Q3 pin are respectively connecting to two outfans of the 3rd or door，The Q3 pin of counter chip and Q4 pin are respectively connecting to two outfans of the 4th or door，The Q4 pin of counter chip and Q5 pin are respectively connecting to two outfans of the 5th or door，The Q5 pin of counter chip and Q0 pin are respectively connecting to two outfans of the 6th or door，First or door、Second or door、3rd or the family status four or door、5th or door and the 6th or the outfan of door be respectively connecting to second with door (、3rd and door、4th and door、5th and door、6th with door and the 7th with the input of door，The CLK pin of the Q6 pin sum counter chip of frequency divider chip is respectively connecting to the input of first and door，First is respectively connecting to second and door with the outfan of door、3rd and door、4th and door、5th and door、6th with door and the 7th with the input of door，Second and door、3rd and door、4th and door、5th and door、6th is respectively connecting to the control pole of six IGCTs in three-phase full-bridge inverter with door and the 7th with the outfan of door.
What employing technique scheme was brought has the beneficial effects that: this utility model optimizes bypass design so that bypass may be completely independent of system work, enhances the reliability of device.The volume of device is greatly reduced again, and structure is more reasonable.Short circuit contactor and liquid are hindered start unit and is incorporated in a cupboard internal synthesis bypass starting cabinet; bypass cabinet is arranged to distant place pattern individually and upper machine communication; or with regard to ground mode and inverter communication both of which; so can be under the pattern of a bypass cabinet distant place; the direct power-off of converter and do not affect the use of bypass cabinet, still can realize motor liquid resistance start and shut down.It is referred to as frequency conversion tank in AC-DC-AC converter part is all concentrated on a cabinet, contravariant transformer is separately provided a cupboard, if dragging motor is inner-feeding motor, need not transformator.Equipment volume is substantially reduced.It addition, by the control circuit improving inverter, improve the stability of inverter current.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of one detailed description of the invention of this utility model.
Fig. 2 is the anterior circuit diagram of inverter control circuit in one detailed description of the invention of this utility model.
Fig. 3 is circuit diagram before and after inverter control circuit in one detailed description of the invention of this utility model.
Detailed description of the invention
nullWith reference to Fig. 1-3，The rotor-side of high-tension winding motor M is connected in parallel to short circuit contactor K1 respectively、Liquid resistance start unit K2 and commutator U，The input of commutator U is connected by the rotor-side of rotor-side catalyst K3 and high-tension winding motor M，The output head anode of commutator U is by the first reactor L1 of series connection、Check diode D1 and the second reactor L2 is connected to the input anode of inverter UI，The positive pole of check diode D1 is connected to the colelctor electrode of chopping switch Q1，The emitter stage of chopping switch Q1 is connected to the negative pole of output end of commutator U，The negative pole of check diode D1 is connected to the negative pole of output end of commutator U by the first electric capacity C1，The two ends of the first electric capacity C1 are parallel with protection diode D2，The negative pole of output end of commutator U is connected with the input cathode of inverter UI，The ac output end of inverter UI is by the inverter side catalyst K4 of series connection、Fuse protection unit F u and contravariant transformer T are connected to the stator side of high-tension winding motor M，The low-pressure side of contravariant transformer is connected with fuse protection unit F u，The high-pressure side of contravariant transformer is connected with the stator side of high-tension winding motor M.Short circuit contactor K1 one end is connected with the rotor-side of high-tension winding motor M, other end Y-connection.Liquid resistance start unit K2 includes that liquid hinders cut-in and cut-off contactor, and one end of liquid resistance cut-in and cut-off contactor connects the rotor-side of high-tension winding motor M, Y-connection after other end series connection liquid resistance.Inverter UI includes three-phase full-bridge inverter and for controlling the inverter control circuit of three-phase full-bridge inverter.nullInverter control circuit includes that 50Hz exchanges reference signal source IN，The 50Hz exchange reference signal source IN the first variable resistance RP1 by series connection、First resistance R1 and the 3rd electric capacity C3 is connected to the positive input of the first amplifier A1，The reverse input end ground connection of the first amplifier A1，It is parallel with the 3rd diode D3 and the 4th diode D4 between positive input and the reverse input end of the first amplifier A1，3rd diode D3 and the 4th diode D4 reverse parallel connection，、By the second electric capacity C2 ground connection between first resistance R1 and the 3rd electric capacity C3，The outfan of the first amplifier A1 is connected to the AIN pin of phase-locked loop chip IC1，The INH pin ground connection of phase-locked loop chip IC1，The CA pin of phase-locked loop chip IC1 is connected by the 4th electric capacity C4 with CB pin，The R1 pin of phase-locked loop chip IC1 is by the 3rd resistance R3 connected and the second adjustable resistance RP2 ground connection，The R2 pin of phase-locked loop chip IC1 passes through the 4th resistance R4 ground connection，The AIN pin of phase-locked loop chip IC1 is connected to high level VCC by the second resistance R2，The PC1 pin of phase-locked loop chip IC1 is connected to the VCIN pin of phase-locked loop chip IC1 by the 5th resistance R5，The VCIN pin of phase-locked loop chip IC1 passes through the 5th electric capacity C5 ground connection，The VCOUT pin of phase-locked loop chip IC1 passes through the 4th resistance R4 ground connection，The VCOUT pin of phase-locked loop chip IC1 is connected to the CLK pin of frequency divider chip IC 2，The RST pin ground connection of frequency divider chip IC 2，The Q7 pin of frequency divider chip IC 2 is connected to the RST pin of shift register chip IC 3 by the 6th resistance R6 and the 7th resistance R7 of series connection，6th resistance R6 and the 7th resistance R7 indirectly，The Q2 pin of shift register chip IC 3 is connected to the input of the first NOT gate chip NOT1，The outfan of the first NOT gate chip NOT1 is commonly connected to the D pin of shift register chip IC 3 with the BIN pin being connected to phase-locked loop chip IC1，The RST pin of shift register chip IC 3 is connected to high level VCC by the 6th electric capacity C6，The D pin of shift register chip IC 3 is connected to the RST pin of counter chip IC4 by the 7th electric capacity C7，The CLK pin of shift register chip IC 3 and the Q7 pin of frequency divider chip IC 2 are commonly connected to the CLK pin of counter chip IC4，The RST pin of counter chip IC4 passes through the 8th resistance R8 ground connection，8th resistance R8 two ends reverse parallel connection has the 5th diode D5，The ENA pin ground connection of counter chip IC4，The Q0 pin of counter chip IC4 and Q1 pin are respectively connecting to two outfans of first or door OR1，The Q1 pin of counter chip IC4 and Q2 pin are respectively connecting to two outfans of second or door OR2，The Q2 pin of counter chip IC4 and Q3 pin are respectively connecting to two outfans of the 3rd or door OR3，The Q3 pin of counter chip IC4 and Q4 pin are respectively connecting to two outfans of the 4th or door OR4，The Q4 pin of counter chip IC4 and Q5 pin are respectively connecting to two outfans of the 5th or door OR5，The Q5 pin of counter chip IC4 and Q0 pin are respectively connecting to two outfans of the 6th or door OR6，First or door OR1、Second or door OR2、3rd or door OR3 the 4th or door OR4、The outfan of the 5th or door OR5 and the 6th or door OR6 is respectively connecting to second and door AND2、3rd and door AND3、4th and door AND4、5th and door AND5、6th with the input of door AND6 and the 7th and door AND7，The CLK pin of the Q6 pin sum counter chip IC 4 of frequency divider chip IC 2 is respectively connecting to the input of first and door AND1，The outfan of first and door AND1 is respectively connecting to second and door AND2、3rd and door AND3、4th and door AND4、5th and door AND5、6th with the input of door AND6 and the 7th and door AND7，Second and door AND2、3rd and door AND3、4th and door AND4、5th and door AND5、6th is respectively connecting to the control pole of six IGCTs in three-phase full-bridge inverter with the outfan of door AND6 and the 7th and door AND7.
Phase-locked loop chip IC1 uses CD4046 chip, and frequency divider chip IC 2 uses CD4040 chip, shift register chip IC 3 to use CD4015 chip, and counter chip IC4 uses CD4017 chip.
The electric elements used in the present embodiment are commercially available prod, and its concrete structure and using method belong to ripe prior art, are not described in detail in this.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope; this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (5)
- null1. high-tension winding rotor side arrangements for speed regulation，It is characterized in that: the rotor-side of high-tension winding motor (M) is connected in parallel to short circuit contactor (K1) respectively、Liquid resistance start unit (K2) and commutator (U)，The input of commutator (U) is connected with the rotor-side of high-tension winding motor (M) by rotor-side catalyst (K3)，The output head anode of commutator (U) is by first reactor (L1) of series connection、Check diode (D1) and the second reactor (L2) are connected to the input anode of inverter (UI)，The positive pole of check diode (D1) is connected to the colelctor electrode of chopping switch (Q1)，The emitter stage of chopping switch (Q1) is connected to the negative pole of output end of commutator (U)，The negative pole of check diode (D1) is connected to the negative pole of output end of commutator (U) by the first electric capacity (C1)，The two ends of the first electric capacity (C1) are parallel with protection diode (D2)，The negative pole of output end of commutator (U) is connected with the input cathode of inverter (UI)，The ac output end of inverter (UI) is by the inverter side catalyst (K4) of series connection、Fuse protection unit (Fu) and contravariant transformer (T) are connected to the stator side of high-tension winding motor (M)，The low-pressure side of contravariant transformer is connected with fuse protection unit (Fu)，The high-pressure side of contravariant transformer is connected with the stator side of high-tension winding motor (M).
- High-tension winding rotor side the most according to claim 1 arrangements for speed regulation, it is characterised in that: described short circuit contactor (K1) one end is connected with the rotor-side of high-tension winding motor (M), other end Y-connection.
- High-tension winding rotor side the most according to claim 1 arrangements for speed regulation, it is characterized in that: described liquid resistance start unit (K2) includes that liquid hinders cut-in and cut-off contactor, one end of liquid resistance cut-in and cut-off contactor connects the rotor-side of high-tension winding motor (M), Y-connection after other end series connection liquid resistance.
- High-tension winding rotor side the most according to claim 1 arrangements for speed regulation, it is characterised in that: described inverter (UI) includes three-phase full-bridge inverter and for controlling the inverter control circuit of three-phase full-bridge inverter.
- nullHigh-tension winding rotor side the most according to claim 4 arrangements for speed regulation，It is characterized in that: described inverter control circuit includes 50Hz exchange reference signal source (IN)，50Hz exchange reference signal source (IN) is by first variable resistance (RP1) of series connection、First resistance (R1) and the 3rd electric capacity (C3) are connected to the positive input of the first amplifier (A1)，The reverse input end ground connection of the first amplifier (A1)，The 3rd diode (D3) and the 4th diode (D4) it is parallel with between positive input and the reverse input end of the first amplifier (A1)，3rd diode (D3) and the 4th diode (D4) reverse parallel connection，By the second electric capacity (C2) ground connection between first resistance (R1) and the 3rd electric capacity (C3)，The outfan of the first amplifier (A1) is connected to the AIN pin of phase-locked loop chip (IC1)，The INH pin ground connection of phase-locked loop chip (IC1)，The CA pin of phase-locked loop chip (IC1) is connected by the 4th electric capacity (C4) with CB pin，The R1 pin of phase-locked loop chip (IC1) is by the 3rd resistance (R3) connected and the second adjustable resistance (RP2) ground connection，The R2 pin of phase-locked loop chip (IC1) passes through the 4th resistance (R4) ground connection，The AIN pin of phase-locked loop chip (IC1) is connected to high level (VCC) by the second resistance (R2)，The PC1 pin of phase-locked loop chip (IC1) is connected to the VCIN pin of phase-locked loop chip (IC1) by the 5th resistance (R5)，The VCIN pin of phase-locked loop chip (IC1) passes through the 5th electric capacity (C5) ground connection，The VCOUT pin of phase-locked loop chip (IC1) passes through the 4th resistance (R4) ground connection，The VCOUT pin of phase-locked loop chip (IC1) is connected to the CLK pin of frequency divider chip (IC2)，The RST pin ground connection of frequency divider chip (IC2)，The Q7 pin of frequency divider chip (IC2) is connected to the RST pin of shift register chip (IC3) by the 6th resistance (R6) connected and the 7th resistance (R7)，6th resistance (R6) and the 7th resistance (R7) indirectly，The Q2 pin of shift register chip (IC3) is connected to the input of the first NOT gate chip (NOT1)，The outfan of the first NOT gate chip (NOT1) is commonly connected to the D pin of shift register chip (IC3) with the BIN pin being connected to phase-locked loop chip (IC1)，The RST pin of shift register chip (IC3) is connected to high level (VCC) by the 6th electric capacity (C6)，The D pin of shift register chip (IC3) is connected to the RST pin of counter chip (IC4) by the 7th electric capacity (C7)，The CLK pin of shift register chip (IC3) and the Q7 pin of frequency divider chip (IC2) are commonly connected to the CLK pin of counter chip (IC4)，The RST pin of counter chip (IC4) passes through the 8th resistance (R8) ground connection，8th resistance (R8) two ends reverse parallel connection has the 5th diode (D5)，The ENA pin ground connection of counter chip (IC4)，The Q0 pin of counter chip (IC4) and Q1 pin are respectively connecting to two outfans of first or door (OR1)，The Q1 pin of counter chip (IC4) and Q2 pin are respectively connecting to two outfans of second or door (OR2)，The Q2 pin of counter chip (IC4) and Q3 pin are respectively connecting to two outfans of the 3rd or door (OR3)，The Q3 pin of counter chip (IC4) and Q4 pin are respectively connecting to two outfans of the 4th or door (OR4)，The Q4 pin of counter chip (IC4) and Q5 pin are respectively connecting to two outfans of the 5th or door (OR5)，The Q5 pin of counter chip (IC4) and Q0 pin are respectively connecting to two outfans of the 6th or door (OR6)，First or door (OR1)、Second or door (OR2)、3rd or door (OR3) the 4th or door (OR4)、5th or door (OR5) and the 6th or the outfan of door (OR6) be respectively connecting to second with door (AND2)、3rd with door (AND3)、4th with door (AND4)、5th with door (AND5)、6th with door (AND6) and the 7th and the input of door (AND7)，The CLK pin of Q6 pin sum counter chip (IC4) of frequency divider chip (IC2) is respectively connecting to the input of first and door (AND1)，First with the outfan of door (AND1) be respectively connecting to second with door (AND2)、3rd with door (AND3)、4th with door (AND4)、5th with door (AND5)、6th with door (AND6) and the 7th and the input of door (AND7)，Second with door (AND2)、3rd with door (AND3)、4th with door (AND4)、5th with door (AND5)、6th with door (AND6) and the 7th and the outfan of door (AND7) be respectively connecting to the control pole of six IGCTs in three-phase full-bridge inverter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128630.1U CN205490289U (en) | 2016-02-19 | 2016-02-19 | High pressure winding motor rotor side speed adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128630.1U CN205490289U (en) | 2016-02-19 | 2016-02-19 | High pressure winding motor rotor side speed adjusting device |
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| CN205490289U true CN205490289U (en) | 2016-08-17 |
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| CN201620128630.1U Expired - Fee Related CN205490289U (en) | 2016-02-19 | 2016-02-19 | High pressure winding motor rotor side speed adjusting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553380A (en) * | 2016-02-19 | 2016-05-04 | 尤江峰 | Speed regulation device for rotor side of high-voltage winding motor |
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2016
- 2016-02-19 CN CN201620128630.1U patent/CN205490289U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553380A (en) * | 2016-02-19 | 2016-05-04 | 尤江峰 | Speed regulation device for rotor side of high-voltage winding motor |
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Effective date of registration: 20210312 Address after: 071000 Room 102, unit 2, building 1, University Science Park, 5699 North 2nd Ring Road, Baoding City, Hebei Province Patentee after: Hebei Zhongrui Electric Technology Co.,Ltd. Address before: 071000 gate 118, Fuxing West Road, Xinshi District, Baoding City, Hebei Province Patentee before: You Jiangfeng |
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Granted publication date: 20160817 Termination date: 20220219 |
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