CN104297610B - Dual-channel rotary transformer open circuit quick-test equipment - Google Patents
Dual-channel rotary transformer open circuit quick-test equipment Download PDFInfo
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- CN104297610B CN104297610B CN201310624604.9A CN201310624604A CN104297610B CN 104297610 B CN104297610 B CN 104297610B CN 201310624604 A CN201310624604 A CN 201310624604A CN 104297610 B CN104297610 B CN 104297610B
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Abstract
The invention discloses a piece of dual-channel rotary transformer open circuit quick-test equipment comprising two test displays L1 and L2. L1 and L2 respectively include two test connection terminals. L1 and L2 are respectively used for being connected with four wiring terminals of an excitation channel of a to-be-tested transformer to form an excitation test circuit. L1 and L2 are further respectively used for being connected with two channels of wiring terminals Y1-Y8 in four colors of a fine machine channel and a coarse machine channel of the to-be-tested transformer to form a fine and coarse machine test circuit. The excitation test circuit and the fine and coarse machine test circuit adopt switching circuits to carry out switching control, the first switching circuit controls open circuit test of the excitation channel of the dual-channel rotary transformer, and the second switching circuit controls open circuit test of the fine machine channel and the coarse machine channel of the dual-channel rotary transformer. By adopting the test equipment, operation is simple and accurate, and detection is quick and efficient. Whether an open circuit exists in the excitation channel and the fine and coarse machine channels of a tested dual-channel rotary transformer can be distinguished by testing the states of the displays in the process of switch flipping.
Description
Technical field
The invention belongs to electronic detecting device technical field, it is related to a kind of open circuit for two speed resolver and quickly surveys
Examination equipment.
Background technology
Rotary transformer is used in motion servo control system, is a kind of fine angle, position, speed detector, tool
Have that sensitivity is high, strong antijamming capability the features such as, be particularly well-suited to high temperature, severe cold, humidity, at a high speed, the environmental condition such as high vibrations
Relatively more severe occasion.For adapting to the requirement of higher precision synchronization system, in recent years, occur in that by two speed resolver structure
The electrical variable speed formula two-channel measurement system becoming, two speed resolver is that the rotary transformer not waiting two numbers of pole-pairs closes
Together, the few referred to as thick machine of usual number of pole-pairs, and the referred to as smart machine more than number of pole-pairs.Now the more commonly used is by two-stage and many
The dual pathways synchronization system of level rotary transformer composition, wherein thick machine passage is by a rotary transformer to pole (or twin-stage)
Composition, smart machine passage is made up of the rotary transformer of multipair pole (or multistage), and conventional two speed resolver has
J58xfs004, j78xfs009, j92xfs002, j212xfs001 etc..Smart machine passage and thick machine passage respectively have two-way, smart machine and
The resistance value of thick machine passage is different.Normal the excitatory of two speed resolver comprises two to red white wire, and smart machine, thick machine are each
Comprise red four wires of white champac, and corresponding red white wire is connected as a road, corresponding champac wire is connected as a road.Tradition
Two speed resolver passage open circuit detection method be, using circuit tester, two are carried out to 12 wires of rotary transformer
Two combine detection, need ceaselessly to convert wire, detection trouble, efficiency is low in detection.
Content of the invention
The rapid test device it is an object of the invention to provide a kind of two speed resolver is opened a way, to solve traditional survey
Examination technical testing troublesome poeration, the problem that time-consuming, efficiency is low.
In order to realize object above, the technical solution adopted in the present invention is: a kind of two speed resolver open circuit is fast
Fast test equipment, including two test display l1 and l2, l1 and l2 all includes testing connection terminal j1 and j2, l1 and l2 is respectively
Connect and compose excitatory test circuit, wherein, x1, x4's for tetra- binding posts of x1～x4 with transformer excitation passage to be measured
Color is identical, and the color of x2, x3 is identical；L1 and l2 is also respectively used to the y1 of smart machine passage with transformator to be measured and thick machine passage
The each two-way of～y8 four color binding post connects and composes coarse-fine machine test circuit；Wherein, the color of y1, y2 is the first color, y3, y4
Color be the second color, the color of y5, y6 is tertiary color, and the color of y7, y8 is the 4th color, and the first color and the second color
Binding post correspondence connect and compose the first via, tertiary color is corresponding with the binding post of the 4th color to connect and compose the second tunnel；Excitatory
Be provided with the first switching circuit in circuit, this switching circuit be used for switching when make l1 and l2 j2 test connection terminal respectively with
X1, x4 keep connection, make the j1 of l1 with l2 test connection terminal simultaneously and connect with x2, x3 switching respectively in switching；Coarse-fine machine
Be provided with the second switching circuit in test circuit, this switching circuit be used for make l1 j2 test connection terminal switching when respectively with
Y2, y6 switching connection, and so that the j2 test connection terminal of l2 is connected with y1, y5 switching respectively in switching, make l1 and l2 simultaneously
J1 test connection terminal switching when respectively with y3, y4, y7, y8 switching connect.
Described first switching circuit adopts four double-pole double throw switches or four knife three throw switch or double-point double-throw switch.
Described second switching circuit adopts four knife five throw switch or four knife four throw switch, or is opened using a DPDT
Pass is combined with a double-pole four throw switch.
This test equipment also includes the power supply circuits of two test display, and this power supply circuits is serially connected with power supply and confession
Electric switch.
Safeguard is also serially connected with described power supply circuits.
Described test display is ohmmeter.
The two speed resolver open circuit rapid test device of the present invention arranges excitatory test circuit and the test of coarse-fine machine
Circuit, and control is switched over using switching circuit, the first switching circuit controls the excitatory passage of two speed resolver
Open test, the second switching circuit controls the smart machine of two speed resolver and the open test of thick machine passage.Using
This test equipment is simple to operate accurately, and detection is quick, efficient, during operating switch, by testing the state of display
The thick machine passage of excitatory and smart machine that tested two speed resolver can be told whether there is open circuit.
Brief description
Fig. 1 is the structure chart of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further to the present invention.
It is illustrated in figure 1 two speed resolver of the present invention to open a way the structure chart of rapid test device embodiment, by scheming
Understand, this test equipment includes two test display l1 and l2, l1 and l2 all includes testing connection terminal j1 and j2, l1 and l2
It is respectively used to connect and compose excitatory test circuit with tetra- binding posts of x1～x4 of transformer excitation passage to be measured, wherein, x1,
The color of x4 is identical, and the color of x2, x3 is identical；L1 and l2 is also respectively used to smart machine passage and thick machine passage with transformator to be measured
Two group of four color binding post of y1～y8 connect and compose coarse-fine machine test circuit；Wherein, the color of y1, y2 is the first color, y3,
The color of y4 is the second color, and the color of y5, y6 is tertiary color, and the color of y7, y8 is the 4th color, and the first color and second
The binding post correspondence of color connects and composes the first via, and tertiary color is corresponding with the binding post of the 4th color to connect and compose the second tunnel；Swash
Be provided with the first switching circuit in magnetic circuit, this switching circuit be used for switching when make l1 and l2 j2 test connection terminal respectively with
X1, x4 keep connection, make the j1 of l1 with l2 test connection terminal simultaneously and connect with x2, x3 switching respectively in switching；Coarse-fine machine
Be provided with the second switching circuit in test circuit, this switching circuit be used for make l1 j2 test connection terminal switching when respectively with
Y2, y6 switching connection, and so that the j2 test connection terminal of l2 is connected with y1, y5 switching respectively in switching, make l1 and l2 simultaneously
J1 test connection terminal switching when respectively with y3, y4, y7, y8 switching connect.
The test display of the present embodiment is numerical monitor ohmmeter；This test equipment also includes the confession of two test display
Circuit, 1 foot of l1 and l2 and 2 feet are connected with power supply circuits respectively.Power supply p1 and power supply are serially connected with this power supply circuits
Switch k1, is also serially connected with safeguard fu1.K1 controls the power on of two numerical monitor ohmmeters using single-pole double-throw switch (SPDT)
And closing.
For ease of connecting, this test equipment is additionally provided with each wire connection being respectively used to transformator to be measured and color is corresponding
12 different colours test binding post, test when, it is right to be connected to each wire of transformator to be measured respectively at random
Answer on the test binding post of different colours, will press four of excitatory passage extraction wires of tested two speed resolver
According to color, randomly correspondence is connected on x1, x2, x3 and x4 binding post, by smart machine, eight of thick machine passage extraction wires according to face
Randomly correspondence is connected on y1, y2, y3, y4, y5, y6, y7 and y8 binding post color.
The present embodiment first switching circuit is taking four knife three throw switch k2 as a example, the second switching circuit is with four knife five throw switch k3
As a example carry out principle and work process explanation.
As shown in figure 1, the j1 of l1 and l2 tests, connection terminal is corresponding with d, b contact of k2 and k3 respectively to be linked, and j2 tests
Connection terminal is corresponding with c, a contact of k2 and k3 respectively to be connected, first group of contact a1, b1, c1, d1 of k2 and k3 are all hanging；k2
A2, a3 short circuit after be connected with x4, be connected with x1 after c1, c2 short circuit, b2, b3 are corresponding with x2, x3 respectively to be connected, and d2, d3 are respectively
Connection corresponding with x3, x2；It is connected with y1 after a2, a3 short circuit of k3, is connected with y5 after a4, a5 short circuit, after c2, c3 short circuit with y2 even
Connect, be connected with y6 after c4, c5 short circuit, b2～b5 sequentially corresponding with y3, y4, y7, y8 connect, d2～d5 sequentially with y4, y3, y8,
Y7 is corresponding to be connected.
As follows to the process and principle of excitatory passage open circuit detection: to connect k1, k2 is got to second group of contact and the 3rd and moves
Contacting state.If k2 is during pulling, l1 and l2 has " non-1 numeral " to show simultaneously, that is, k2 second group of contact or
When 3rd group of contact one of which is connected, display simultaneously " non-1 numeral ", in another group of contacting, display " numeral simultaneously
1 ", then show that the excitatory two-way of rotary transformer is all normal；If k2 is during pulling, in l1 or l2, one of them shows always
Show " numeral 1 " state, another has " non-1 numeral " display, then show that this excitatory passage has a road open circuit；If k2 was pulling
Cheng Zhong, l1 and l2 all display simultaneously always " numeral 1 " states, then show that this excitatory two-way is all opened a way.Excitatory lane testing finishes
Afterwards, disconnect k2, terminate the open test of rotating transformer exciting passage.
The open test of the thick machine passage of smart machine: connect k1, k3 is got to successively second, third, fourth, fifth group movable contact
On-state.
If k3 is during second group of movable contact and the 3rd group of movable contact are connected, l1 and l2 has " non-1 numeral " to show simultaneously
Show, that is, when second group of contact or the 3rd group of contact one of which are connected, display simultaneously " non-1 numeral ", another group of contact for k3
During connection, display " numeral 1 " simultaneously, then show that the first via of the smart machine of rotary transformer and thick machine is all normal；If k3 is
During two groups of contacts or the 3rd group of contacting, in l1 or l2, one of them shows " numeral 1 " state always, and another has
" non-1 numeral " display, then show that the smart machine of rotary transformer or the first via of thick machine have one group of open circuit；If k3 touches at second group
During point or the 3rd group of contacting, l1 and l2 all display " numeral 1 " states always, then show the smart machine of rotary transformer with
In thick machine, the first via is all opened a way.
If during k3 connects in the 4th group of movable contact or the 5th group of movable contact, l1 and l2 has " non-1 numeral " simultaneously
Show, that is, k3, when the 4th group of contact or the 5th group of contact one of which are connected, shows " non-1 numeral " simultaneously, touches at another group
When point is connected, display " numeral 1 " simultaneously, then show that the second tunnel of the smart machine of rotary transformer and thick machine is all normal；If k3 exists
During 4th group of contact or the 5th group of contacting, in l1 or l2, one of them shows " numeral 1 " state always, and another has
" non-1 numeral " display, then show that there is one group of open circuit on the smart machine of rotary transformer or the second tunnel of thick machine；If k3 is dynamic at the 4th group
During contact or the 5th group of movable contact connection, l1 and l2 all display always " numeral 1 " states, then show the essence of rotary transformer
In machine and thick machine, all open a way in the second tunnel.
After the thick machine lane testing of smart machine finishes, disconnect k3, terminate the open test of rotary transformer essence machine thick machine passage.
After the completion of total Test, disconnect k1, terminate the open test of two speed resolver.
Two switching circuits of the present embodiment are illustrated respectively taking four knife three throw switch and four knife five throw switch as a example.When
So other structures can also be adopted, such as the first switching circuit adopts four double-pole double throw switches or double-point double-throw switch, the second switching electricity
Road to be realized with combining of a double-pole four throw switch using four knife four throw switch or a double-point double-throw switch, is adopting it
During his switch, its attachment structure is also accordingly adjusted changing, and this similar conversion belongs to the conventional handss of those skilled in the art
Section, is within the scope of the present invention.
Claims (5)
1. a kind of two speed resolver open circuit rapid test device it is characterised in that: include two ohmmeter l1 and l2, l1
All include testing connection terminal j1 and j2 with l2, l1 and l2 is respectively used to connect with the x1～x4 tetra- of transformer excitation passage to be measured
Line terminals connect and compose excitatory test circuit, and wherein, the color of x1, x4 is identical, and the color of x2, x3 is identical；L1 and l2 also distinguishes
The each two-way of y1～y8 four color binding post for smart machine passage and thick machine passage with transformator to be measured connects and composes coarse-fine machine
Test circuit；Wherein, the color of y1, y2 is the first color, and the color of y3, y4 is the second color, and the color of y5, y6 is the 3rd
Color, the color of y7, y8 is the 4th color, and the first color is corresponding with the binding post of the second color connects and composes the first via, tertiary color
Corresponding with the binding post of the 4th color connect and compose the second tunnel；It is provided with the first switching circuit, this switching circuit is used in exciting circuit
The j2 test connection terminal making l1 with l2 when in switching keeps connecting with x1, x4 respectively, so that the j1 of l1 and l2 is tested even simultaneously
Connecting terminal is connected with x2, x3 switching respectively in switching；It is provided with the second switching circuit, this switching circuit in coarse-fine machine test circuit
J2 for making l1 is tested connection terminal and is connected with y2, y6 switching respectively in switching, and so that the j2 test connection terminal of l2 is existed
During switching respectively with y1, y5 switching connect, make simultaneously l1 and l2 j1 test connection terminal switch when respectively with y3, y4, y7,
Y8 switching connection.
2. two speed resolver according to claim 1 open circuit rapid test device it is characterised in that: described first
Switching circuit adopts four double-pole double throw switches or four knife three throw switch or double-point double-throw switch.
3. two speed resolver according to claim 1 and 2 open circuit rapid test device it is characterised in that: described
Second switching circuit adopts four knife five throw switch or four knife four throw switch, or adopts a double-point double-throw switch and a double-pole
The combination of four throw switches.
4. two speed resolver according to claim 1 open circuit rapid test device it is characterised in that: this test sets
The standby power supply circuits also including two ohmmeters, this power supply circuits is serially connected with power supply and power switch.
5. two speed resolver according to claim 4 open circuit rapid test device it is characterised in that: described power supply
Safeguard is also serially connected with circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310624604.9A CN104297610B (en) | 2013-11-28 | 2013-11-28 | Dual-channel rotary transformer open circuit quick-test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310624604.9A CN104297610B (en) | 2013-11-28 | 2013-11-28 | Dual-channel rotary transformer open circuit quick-test equipment |
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| Publication Number | Publication Date |
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| CN104297610A CN104297610A (en) | 2015-01-21 |
| CN104297610B true CN104297610B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310624604.9A Active CN104297610B (en) | 2013-11-28 | 2013-11-28 | Dual-channel rotary transformer open circuit quick-test equipment |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106707892B (en) * | 2017-02-22 | 2019-03-29 | 西安应用光学研究所 | Two speed resolver wiring automatic detection device and method suitable for photoelectric turntable |
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