CN111458624A - A condensation test device for big dipper agricultural machinery positioning monitoring terminal - Google Patents
A condensation test device for big dipper agricultural machinery positioning monitoring terminal Download PDFInfo
- Publication number
- CN111458624A CN111458624A CN202010416202.XA CN202010416202A CN111458624A CN 111458624 A CN111458624 A CN 111458624A CN 202010416202 A CN202010416202 A CN 202010416202A CN 111458624 A CN111458624 A CN 111458624A
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- test
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- agricultural machinery
- monitoring terminal
- condensation
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- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2817—Environmental-, stress-, or burn-in tests
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a condensation test device for a Beidou agricultural machinery positioning monitoring terminal, relates to the technical field of detection tests, and solves the problems that the existing condensation tester is long in test time and low in test efficiency when in use, and the test cost is high due to the fact that large energy is consumed when the temperature is repeatedly changed; a group of multi-station working tables are rotatably connected inside the outer shell; a plurality of groups of mounting tables are arranged on the multi-station workbench in a circumferential array manner; the left side and the right side of the mounting table are rotatably connected with a group of compression screws; and a piston rod of the test driving cylinder is fixedly connected with the rear end face of the test box. The device can install multiunit circuit board simultaneously, improves work efficiency, and experimental space is littleer, reduces the energy that the temperature variation consumed, realizes automatic change test circuit board through the slip of test box simultaneously, improvement work efficiency that can be very big, simultaneously very big reduction experimental cost.
Description
Technical Field
The invention relates to the technical field of detection tests, in particular to a condensation test device for a Beidou agricultural machinery positioning and monitoring terminal.
Background
In the production of the Beidou positioning monitoring terminal, the agricultural machinery is generally used in an open-air environment in use, so that a condensation test needs to be carried out to test the working condition of a circuit board in the condensation environment, and a condensation tester needs to be used for testing in the condensation test process.
For example, application No.: the CN201080018753.5 condensation test device (10) comprises: an adjustment tank (12) capable of adjusting the temperature and humidity of air to a predetermined temperature and humidity; a test tank (14) which comprises a test material table (43) having a mounting surface (43a) on which a test body (W) can be mounted and which can cool the mounting surface (43a), and which is provided separately from the adjustment tank (12); and pipes (17, 18) connecting the adjustment tank (12) and the test tank (14). The test chamber (14) includes an air guide member (57), and the air guide member (57) guides air flowing into the test chamber (14) through the duct (17) in a direction inclined downward at a predetermined angle at a position immediately above the windward end of the sample stage (43) when the air flows onto the sample stage (43) from the side of the sample stage (43).
Based on the above, when the existing dewing tester is used, the circuit board is firstly fixed in the dewing tester, then the initial temperature is kept in the dewing tester for half an hour, then the temperature is reduced for carrying out the dewing test, the test time is generally not more than two minutes, the circuit board needs to be kept and tested each time of the test, the test time is long, the test efficiency is low, and meanwhile, the temperature is repeatedly changed, so that the test cost is high; therefore, the existing requirements are not met, and the dew condensation test device for the Beidou agricultural machinery positioning and monitoring terminal is provided for the existing requirements.
Disclosure of Invention
The invention aims to provide a condensation test device for a Beidou agricultural machinery positioning monitoring terminal, and the condensation test device is used for solving the problems that when the existing condensation tester provided in the background technology is used, a circuit board is fixed in the condensation tester firstly, then the initial temperature is kept in the condensation tester for heat preservation for half an hour, then the temperature is reduced for condensation test, the test time is generally not more than two minutes, the circuit board needs to be subjected to heat preservation and test in each test in use, the test time is long, the test efficiency is low, and meanwhile, the temperature is repeatedly changed, so that large energy is consumed, and the test cost is high.
In order to achieve the purpose, the invention provides the following technical scheme: a condensation test device for a Beidou agricultural machinery positioning and monitoring terminal comprises an outer shell; a group of multi-station working tables are rotatably connected inside the outer shell; a plurality of groups of mounting tables are arranged on the multi-station workbench in a circumferential array manner; the multi-station workbench is of a regular polygon prism structure, and the mounting tables are fixedly mounted on the side surfaces of the regular polygon prism respectively; the upper part of each group of mounting tables is rotatably connected with a group of locking handles; the left side and the right side of the mounting table are rotatably connected with a group of compression screws; the left side and the right side of the mounting table are both connected with a group of compression plates in a sliding manner; a group of test boxes are connected to the rear part inside the outer shell in a sliding manner; the rear end face of the outer shell is fixedly connected with a group of test driving cylinders; and a piston rod of the test driving cylinder is fixedly connected with the rear end face of the test box.
Preferably, the multi-station workbench further comprises a ratchet mechanism and a driven gear, and the bottom surface of the multi-station workbench is coaxially connected with a group of driven gears through a group of ratchet mechanisms.
Preferably, the mounting table further comprises a guide rail, a group of guide rails is fixedly connected to the upper side and the lower side of the side face of the mounting table, and the pressing plate is connected with the mounting table in a sliding mode through the guide rails.
Preferably, the locking handle further comprises a driving bevel gear, a group of driving bevel gears are coaxially and fixedly connected to the bottom of the locking handle, the hold-down screws further comprise driven bevel gears, a group of driven bevel gears are coaxially and fixedly connected to the inner sides of the two groups of hold-down screws, and the driving bevel gears are meshed with the two groups of driven bevel gears to form a bevel gear transmission mechanism.
Preferably, the compression screw and the bottom of the compression plate are in threaded transmission connection to form a screw nut transmission mechanism.
Preferably, the pressure strip is still including locating plate, slot, and the inboard upper and lower extreme of pressure strip all is provided with a set of locating plate, and the medial surface of pressure strip is provided with the slot.
Preferably, the test box is still including the test guide way, and a set of test guide way has all been seted up about the test box, and the test box passes through test guide way and shell body sliding connection.
Preferably, the test box further comprises a piece changing driving rack, the lower portion of the front end face of the test box is fixedly connected with a group of piece changing driving racks, and the piece changing driving racks and the driven gear are meshed to form a gear rack transmission mechanism together.
Preferably, the test box further comprises a sealing strip, and a group of sealing strips is arranged on the front end face of the test box.
Compared with the prior art, the invention has the beneficial effects that:
the device is through adopting regular polygon prism structure's multistation workstation, can once only install multiunit circuit board, can increase the installation quantity of installation, and to having the circuit board to keep warm the operation simultaneously, then compress tightly through the test box and form inclosed test space on the mount table and realize the dewfall experiment to the circuit board, can increase the quantity of simultaneous measurement's circuit board, improve test efficiency greatly, simultaneously through adopting rack and pinion drive mechanism and ratchet to realize the automatic feeding action of circuit board, install the circuit board through the pressure strip simultaneously, installation convenient operation is swift, can improve the installation effectiveness greatly.
The device can install multiunit circuit board simultaneously, keep warm all circuit boards simultaneously, reduce the heat preservation time, improve work efficiency, compress tightly through the test box simultaneously and form inclosed test space on the mount table and realize the dewfall experiment to the circuit board, test space is littleer, reduce the energy that the temperature variation consumed, realize automatic change test circuit board through the slip of test box simultaneously, and install the circuit board through the pressure strip, installation convenient operation is swift, can improve the installation effectiveness greatly, high durability and convenient use, improvement work efficiency that can be very big, simultaneously very big reduction test cost.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic side view of the shaft of the present invention with the door removed;
FIG. 3 is a schematic side view of a multi-station workbench according to the present invention;
FIG. 4 is a schematic side view of a multi-station workbench transmission shaft of the present invention;
FIG. 5 is a schematic side view of a bottom shaft of the multi-station workbench of the present invention;
FIG. 6 is a schematic side view of the mounting plate of the present invention;
FIG. 7 is a schematic side view of the hold-down plate drive shaft of the present invention;
FIG. 8 is a schematic side view of the test cassette of the present invention;
in the figure: 1. an outer housing; 2. a multi-station workbench; 201. a ratchet mechanism; 202. a driven gear; 3. an installation table; 301. a guide rail; 4. locking the handle; 401. a drive bevel gear; 5. pressing the lead screw; 501. a driven bevel gear; 6. a compression plate; 601. positioning a plate; 602. a slot; 7. a test cartridge; 701. testing the guide groove; 702. the piece-changing driving rack; 703. a sealing strip; 8. the driving cylinder is tested.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 8, an embodiment of the present invention includes: a condensation test device for a Beidou agricultural machinery positioning and monitoring terminal comprises an outer shell 1; a group of multi-station working tables 2 are rotatably connected inside the outer shell 1; a plurality of groups of mounting tables 3 are arranged on the multi-station workbench 2 in a circumferential array manner; the multi-station workbench 2 is of a regular polygon prism structure, and the mounting platforms 3 are respectively and fixedly mounted on the side surfaces of the regular polygon prism; the upper part of each group of mounting platforms 3 is rotatably connected with a group of locking handles 4; the left side and the right side of the mounting table 3 are rotatably connected with a group of compression screws 5; the left side and the right side of the mounting table 3 are both connected with a group of compression plates 6 in a sliding manner; a group of test boxes 7 are connected to the rear part inside the outer shell 1 in a sliding manner; the rear end face of the outer shell 1 is fixedly connected with a group of test driving cylinders 8; and a piston rod of the test driving cylinder 8 is fixedly connected with the rear end face of the test box 7.
Further, the multi-station workbench 2 further comprises a ratchet mechanism 201 and driven gears 202, the bottom surface of the multi-station workbench 2 is coaxially connected with a group of driven gears 202 through a group of ratchet mechanisms 201, and in use, the one-way transmission of the driven gears 202 is realized through the ratchet mechanisms 201.
Further, the mounting table 3 further comprises a guide rail 301, a group of guide rails 301 are fixedly connected to the upper and lower sides of the side surface of the mounting table 3, the pressing plate 6 is slidably connected with the mounting table 3 through the guide rail 301, and the mounting table 3 is guided through the guide rail 301 in use.
Further, the locking handle 4 is still including the initiative bevel gear 401, the coaxial fixedly connected with a set of initiative bevel gear 401 in bottom of locking handle 4, the lead screw 5 is still including driven bevel gear 501, the equal coaxial fixedly connected with a set of driven bevel gear 501 in inboard of two sets of lead screw 5 that compresses tightly, the initiative bevel gear 401 constitutes bevel gear drive mechanism jointly with the meshing of two sets of driven bevel gear 501 simultaneously, in use when rotatory locking handle 4, locking handle 4 drives two sets of lead screw 5 simultaneously and rotates through bevel gear drive mechanism.
Furthermore, the compression screw 5 is in threaded transmission connection with the bottom of the compression plate 6 to form a screw nut transmission mechanism together, and when the compression screw 5 rotates in use, the compression screw 5 drives the compression plate 6 to slide left and right through the screw nut transmission mechanism, so that the circuit board is loosened and clamped.
Furthermore, the pressure strip 6 further comprises a positioning plate 601 and a slot 602, the upper end and the lower end of the inner side of the pressure strip 6 are both provided with a group of positioning plates 601, the inner side surface of the pressure strip 6 is provided with a slot 602, and in use, the positioning plate 601 positions the circuit board and is connected with an interface of the circuit board through the slot 602 in an inserting manner.
Further, the test box 7 further comprises a test guide groove 701, a group of test guide grooves 701 are formed in the upper portion and the lower portion of the test box 7, the test box 7 is connected with the outer shell 1 in a sliding mode through the test guide grooves 701, and the test box 7 is guided through the test guide grooves 701 in use.
Further, the test box 7 further comprises a component replacement driving rack 702, the lower part of the front end face of the test box 7 is fixedly connected with a group of component replacement driving racks 702, the component replacement driving racks 702 and the driven gear 202 are meshed to form a gear and rack transmission mechanism together, and when the test box 7 slides back and forth in use, the test box 7 drives the driven gear 202 to rotate through the gear and rack transmission mechanism.
Further, the test box 7 further comprises a sealing strip 703, a group of sealing strips 703 is arranged on the front end face of the test box 7, when the test box 7 slides forwards in use, the front end face of the test box 7 is attached to the mounting table 3 and sealed through the sealing strips 703, and a sealed test environment is formed between the test box 7 and the mounting table 3.
The working principle is as follows: when the device is used, a circuit board is placed between the two groups of pressing plates 6, the locking handle 4 is rotated, the locking handle 4 simultaneously drives the two groups of pressing screws 5 to simultaneously rotate through the bevel gear transmission mechanism, the pressing screws 5 drive the pressing plates 6 to slide left and right through the screw nut transmission mechanism, so that the circuit board is loosened and clamped, the circuit board is installed on all the installation tables 3, the protective door is closed, and the initial test temperature is kept for half an hour inside the outer shell 1; during testing, the test driving cylinder 8 drives the test box 7 to slide forwards, the test box 7 drives the driven gear 202 to rotate through the gear-rack transmission mechanism, the driven gear 202 idles under the action of the ratchet mechanism 201, the multi-station workbench 2 cannot rotate, the front end face of the test box 7 is tightly attached to the mounting table 3 and sealed through the sealing strip 703, a sealed test environment is formed between the test box 7 and the mounting table 3, and a dewing test is performed on a circuit board in the test environment; after the test is completed, the test driving cylinder 8 contracts, the test box 7 slides backwards, the test box 7 and the gear rack transmission mechanism drive the driven gear 202 to rotate, the driven gear 202 drives the multi-station workbench 2 to rotate for a certain angle through the ratchet mechanism 201, and the test circuit board is automatically replaced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a condensation test device for big dipper agricultural machinery location monitor terminal which characterized in that: comprises an outer shell (1); a group of multi-station working tables (2) are rotatably connected inside the outer shell (1); a plurality of groups of mounting tables (3) are arranged on the multi-station workbench (2) in a circumferential array manner; the multi-station workbench (2) is of a regular polygon prism structure, and the mounting platforms (3) are fixedly mounted on the side surfaces of the regular polygon prism respectively; the upper part of each group of mounting platforms (3) is rotatably connected with a group of locking handles (4); the left side and the right side of the mounting table (3) are both rotatably connected with a group of compression screw rods (5); the left side and the right side of the mounting table (3) are both connected with a group of compression plates (6) in a sliding manner; a group of test boxes (7) are connected to the rear part inside the outer shell (1) in a sliding manner; the rear end face of the outer shell (1) is fixedly connected with a group of test driving cylinders (8); and a piston rod of the test driving cylinder (8) is fixedly connected with the rear end face of the test box (7).
2. The condensation test device for the Beidou agricultural machinery positioning and monitoring terminal according to claim 1, is characterized in that: the multi-station workbench (2) further comprises a ratchet mechanism (201) and driven gears (202), and the bottom surface of the multi-station workbench (2) is coaxially connected with a group of driven gears (202) through a group of ratchet mechanisms (201).
3. The condensation test device for the Beidou agricultural machinery positioning and monitoring terminal according to claim 1, is characterized in that: the mounting table (3) further comprises a guide rail (301), the side surface of the mounting table (3) is fixedly connected with a group of guide rails (301) from top to bottom, and the pressing plate (6) is connected with the mounting table (3) in a sliding mode through the guide rails (301).
4. The condensation test device for the Beidou agricultural machinery positioning and monitoring terminal according to claim 1, is characterized in that: the locking handle (4) is still including drive bevel gear (401), a set of drive bevel gear (401) of the coaxial fixedly connected with in bottom of locking handle (4), and the lead screw that compresses tightly (5) is still including driven bevel gear (501), a set of driven bevel gear (501) of the equal coaxial fixedly connected with in inboard of two sets of lead screw that compresses tightly (5), drive bevel gear (401) constitute bevel gear drive mechanism jointly with two sets of driven bevel gear (501) meshing simultaneously.
5. The condensation test device for the Beidou agricultural machinery positioning and monitoring terminal according to claim 1, is characterized in that: the compression screw rod (5) is in threaded transmission connection with the bottom of the compression plate (6) to form a screw rod nut transmission mechanism.
6. The condensation test device for the Beidou agricultural machinery positioning and monitoring terminal according to claim 1, is characterized in that: the pressing plate (6) further comprises positioning plates (601) and slots (602), a group of positioning plates (601) are arranged at the upper end and the lower end of the inner side of the pressing plate (6), and the slots (602) are arranged on the inner side face of the pressing plate (6).
7. The condensation test device for the Beidou agricultural machinery positioning and monitoring terminal according to claim 1, is characterized in that: the test box (7) is characterized by further comprising a test guide groove (701), a group of test guide grooves (701) are formed in the upper portion and the lower portion of the test box (7), and the test box (7) is connected with the outer shell (1) in a sliding mode through the test guide grooves (701).
8. The condensation test device for the Beidou agricultural machinery positioning and monitoring terminal according to claim 1, is characterized in that: the test box (7) further comprises a piece changing driving rack (702), the lower portion of the front end face of the test box (7) is fixedly connected with a group of piece changing driving racks (702), and the piece changing driving racks (702) are meshed with the driven gear (202) to form a gear-rack transmission mechanism together.
9. The condensation test device for the Beidou agricultural machinery positioning and monitoring terminal according to claim 1, is characterized in that: the test box (7) further comprises a sealing strip (703), and a group of sealing strips (703) is arranged on the front end face of the test box (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010416202.XA CN111458624A (en) | 2020-05-17 | 2020-05-17 | A condensation test device for big dipper agricultural machinery positioning monitoring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010416202.XA CN111458624A (en) | 2020-05-17 | 2020-05-17 | A condensation test device for big dipper agricultural machinery positioning monitoring terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111458624A true CN111458624A (en) | 2020-07-28 |
Family
ID=71685535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010416202.XA Withdrawn CN111458624A (en) | 2020-05-17 | 2020-05-17 | A condensation test device for big dipper agricultural machinery positioning monitoring terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111458624A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022088464A1 (en) * | 2020-10-27 | 2022-05-05 | 广州奥松电子有限公司 | Automatic water supply testing apparatus and testing method for condensation testing |
-
2020
- 2020-05-17 CN CN202010416202.XA patent/CN111458624A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022088464A1 (en) * | 2020-10-27 | 2022-05-05 | 广州奥松电子有限公司 | Automatic water supply testing apparatus and testing method for condensation testing |
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Application publication date: 20200728 |
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| WW01 | Invention patent application withdrawn after publication |