CN212933324U - Test adapter of temperature control circuit board of inertial navigation system - Google Patents
Test adapter of temperature control circuit board of inertial navigation system Download PDFInfo
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- CN212933324U CN212933324U CN202020722994.9U CN202020722994U CN212933324U CN 212933324 U CN212933324 U CN 212933324U CN 202020722994 U CN202020722994 U CN 202020722994U CN 212933324 U CN212933324 U CN 212933324U
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- temperature control
- circuit board
- control circuit
- resistance
- test equipment
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Abstract
A test adapter of a temperature control circuit board of an inertial navigation system comprises a temperature control circuit board socket, a test equipment interface and ten pairs of resistance jacks which are fixed on a shell, wherein a test equipment cable is connected with a plug at the lower end of a tested temperature control circuit board through the test equipment interface, a connecting line between the test equipment interface and the temperature control circuit board socket in sequence, and each pair of resistance jacks are electrically connected with bonding pads at two ends of a corresponding temperature control resistor to be installed on the temperature control circuit board through the connecting line between the resistance jack and the temperature control circuit board socket, the temperature control circuit board socket and the temperature control circuit board. The utility model discloses utilize ten to the resistance jack will need the control by temperature change resistance of debugging be connected to the corresponding pad of temperature control circuit board, only need extract original resistance from the resistance jack during the resistance change, insert again new resistance can. Use the utility model discloses carry out the resistance debugging and need not frequent welding resistance, not only can effectively improve resistance debugging efficiency, can not damage the pad moreover to product quality has been improved.
Description
Technical Field
The utility model relates to a test adapter for being used to lead system temperature control circuit board belongs to test technical field.
Background
Two proportional heating resistors (with the resistance range of 3758-4331 omega) and two thermistors (with the resistance range of 1084-239800 omega) are welded on a temperature control circuit board of the inertial navigation system, and the total number of the four temperature control resistors is ten. Because the performance of the signal conversion module on each temperature control circuit board is different, when the temperature control performance of the temperature control circuit board is out of tolerance, only ten temperature control resistors can be replaced to enable the temperature control circuit board to meet the use requirement.
After a temperature control circuit board of the inertial navigation system is offline, resistance debugging and temperature control performance testing need to be carried out on the temperature control circuit board. The resistor debugging method has the defects of complicated operation process, low debugging efficiency, easy damage of circuit board welding pads due to multiple times of welding and incapability of ensuring the product quality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a to the drawback of prior art, a be used to lead test adapter of system temperature control circuit board to improve resistance debugging efficiency, protection temperature control circuit board pad improves product quality.
The problem of the utility model is solved with following technical scheme:
a test adapter of a temperature control circuit board of an inertial navigation system comprises a shell, and a temperature control circuit board socket, a test equipment interface and ten pairs of resistor jacks which are fixed on the shell, wherein a signal cable of the test equipment is sequentially connected with a plug at the lower end of a tested temperature control circuit board through the test equipment interface, a connecting line between the test equipment interface and the temperature control circuit board socket, and each pair of resistor jacks are sequentially electrically connected with bonding pads at two ends of a corresponding temperature control resistor to be installed on the temperature control circuit board through the connecting line between the resistor jacks and the temperature control circuit board socket, the temperature control circuit board socket and temperature control.
The test adapter for the temperature control circuit board of the inertial navigation system further comprises two circuit board fixing supports, the two circuit board fixing supports are fixed on the shell and are respectively located at two ends of the temperature control circuit board socket, and each circuit board fixing support is provided with a clamping groove matched with the side edge of the temperature control circuit board.
According to the test adapter of the temperature control circuit board of the inertial navigation system, the number of the test equipment interfaces is two, and the two test equipment interfaces are both arranged on the side wall of the shell.
According to the test adapter of the temperature control circuit board of the inertial navigation system, the temperature control circuit board socket and the resistor jack are both installed on the panel at the top of the shell.
The utility model discloses utilize ten temperature control resistance that ten pairs of resistance jack that set up on the casing will need the debugging to be connected to the corresponding pad of temperature control circuit board, only need extract original resistance from the resistance jack during the change resistance, insert new resistance again can, accomplish the resistance welding who will transfer after the debugging on the temperature control circuit board again. Use the utility model discloses carry out the resistance debugging and need not frequent welding resistance, not only can effectively improve resistance debugging efficiency, can not damage control by temperature change circuit board pad moreover to product quality has been improved.
Drawings
The present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is an internal wiring diagram of the present invention.
The reference numbers in the figures are: 1. the circuit board comprises a circuit board fixing support, 2, a temperature control circuit board socket, 3, a shell, 4, a resistor jack, 5, a first test equipment interface, 6, a temperature control circuit board, 7, a second test equipment interface, R1-R10 and a tenth temperature control resistor of a first temperature control resistor.
Detailed Description
The utility model provides a test adapter of system's temperature control circuit board is used to external, this adapter has solved that temperature control circuit board debugging resistance process is loaded down with trivial details, and welding process is uncontrollable, influences product quality scheduling problem.
The utility model discloses can carry out the parameter debugging to ten temperature control resistances of being used to four ways temperature control circuit on the navigation system temperature control circuit board, find out ten resistance values that satisfy the control by temperature change scope to control by temperature change circuit capability test accomplishes that once tests qualified. The adapter can quickly and conveniently debug the resistor and test performance, and improves the working efficiency.
In order to realize the above object, the utility model adopts the following technical scheme:
referring to fig. 1, 2 and 3, the present invention includes a circuit board fixing bracket 1, a temperature control circuit board socket 2, a housing 3, a resistor jack 4, a first testing device interface 5 and a second testing device interface 7. The type of the first test equipment interface 5 is X3S1, the type of the second test equipment interface 7 is X3S2, and the temperature control circuit board socket 2 is an M55302-100 pin socket.
Two circuit board fixed bolster 1, temperature control circuit board socket 2, ten pairs of resistance jack 4, first test equipment interface 5 and second test equipment interface 7 all install on casing 3, and the temperature control circuit board that awaits measuring is inserted on temperature control circuit board socket 2, and two circuit board fixed bolster 1 interval 190mm for fixed temperature control circuit board. The first test equipment interface 5 and the second test equipment interface 7 are connected with the interfaces at the end parts of the signal cables of the test equipment, and the wiring terminals of the first test equipment interface 5 and the second test equipment interface 7 are connected with the wiring terminals of the temperature control circuit board socket 2 through the inner leads of the shell 3. Ten temperature control resistors to be debugged are respectively inserted into the ten pairs of resistor jacks 4, and each resistor jack 4 is connected with one pad of the corresponding temperature control resistor sequentially through a lead inside the shell 3, a wiring terminal of the temperature control circuit board socket 2 and wiring of the temperature control circuit board.
In fig. 2, the first temperature-controlled resistor R1 is a case proportional temperature-controlled tuning resistor, and the second temperature-controlled resistor R2 is a case thermistor. The third temperature-controlled resistor R3 is an R/V1 bridge resistor, the fourth temperature-controlled resistor R4 is an upper gyro thermistor, and the fifth temperature-controlled resistor R5 is an R/V1 feedback resistor. The sixth temperature-control resistor R6 is a thermostatic bath proportional temperature-control debugging resistor, and the seventh temperature-control resistor R7 is a thermostatic bath thermistor. The eighth temperature control resistor R8 is a R/V2 bridge resistor, the ninth temperature control resistor R9 is a thermistor, and the tenth temperature control resistor R10 is a feedback resistor of R/V2.
The ten temperature control resistors are not welded on the temperature control circuit board, but inserted into the ten pairs of resistor jacks 4, and after the debugging work is finished, the resistance values of the resistors are determined and then sequentially welded on corresponding bonding pads on the temperature control circuit board. And then, carrying out temperature control performance test.
The utility model discloses according to being used to lead system temperature control circuit board resistance screening and debugging characteristics preparation circuit board test adapter. The adapter is connected with the test bench through an X3S1 signal interface and an X3S2 signal interface, and ten pairs of resistance jacks 4 are used for realizing resistance debugging. The adapter solves the problems that the resistance debugging process of the temperature control circuit board is complicated, and the product quality and the period are influenced. The product quality is ensured, and the working efficiency is improved.
Claims (4)
1. The utility model provides a test adapter of system's temperature control circuit board is led to be used, characterized by, including casing (3) and fix temperature control circuit board socket (2) on casing (3), test equipment interface and ten pairs of resistance jack (4) including the constitution, test equipment's signal cable passes through the test equipment interface in proper order, the line between test equipment interface and the temperature control circuit board socket, temperature control circuit board socket (2) and the plug connection of being tested temperature control circuit board (6) lower extreme, every pair resistance jack (4) is in proper order through the line between resistance jack and the temperature control circuit board socket, temperature control circuit board socket (2), the temperature control circuit board wiring is connected with the corresponding temperature control resistance both ends pad electricity of treating the installation on temperature control circuit board (6).
2. The adapter of claim 1, further comprising two circuit board fixing brackets (1) fixed to the housing (3) and respectively located at two ends of the temperature control circuit board socket (2), wherein each circuit board fixing bracket (1) is provided with a slot matching with a side edge of the temperature control circuit board (6).
3. The test adapter of the temperature control circuit board of the inertial navigation system according to claim 1 or 2, wherein two test equipment interfaces are provided, and both are mounted on the side wall of the shell (3).
4. The test adapter of the temperature control circuit board of the inertial navigation system according to claim 3, wherein the temperature control circuit board socket (2) and the resistor jack (4) are both mounted on a panel on the top of the housing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020722994.9U CN212933324U (en) | 2020-05-06 | 2020-05-06 | Test adapter of temperature control circuit board of inertial navigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020722994.9U CN212933324U (en) | 2020-05-06 | 2020-05-06 | Test adapter of temperature control circuit board of inertial navigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212933324U true CN212933324U (en) | 2021-04-09 |
Family
ID=75314737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020722994.9U Active CN212933324U (en) | 2020-05-06 | 2020-05-06 | Test adapter of temperature control circuit board of inertial navigation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212933324U (en) |
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2020
- 2020-05-06 CN CN202020722994.9U patent/CN212933324U/en active Active
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