CN211148807U - Pull-load test fixture - Google Patents
Pull-load test fixture Download PDFInfo
- Publication number
- CN211148807U CN211148807U CN201921696255.0U CN201921696255U CN211148807U CN 211148807 U CN211148807 U CN 211148807U CN 201921696255 U CN201921696255 U CN 201921696255U CN 211148807 U CN211148807 U CN 211148807U
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000012546 transfer Methods 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000011161 development Methods 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
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Abstract
The utility model discloses a pulling load test fixture, which is used for server development and test and comprises an integrated load card, a switching component and a cooling fan; the integrated load card comprises a transfer socket, a plurality of load resistors, a dial switch, a temperature collector and a temperature control circuit, wherein the load resistors are connected with the transfer socket through the dial switch, the transfer socket corresponds to a plurality of voltage ends and is connected with corresponding voltages of the server through a transfer component; the temperature collector is arranged on the load resistor, and the temperature control circuit controls the on-off of the cooling fan according to the signal of the temperature collector; the adapter assembly comprises a load card adapter plug, an adapter cable and a server adapter plug, the load card adapter plug is connected with the adapter socket of the integrated load card, and the server adapter plug is connected with the server slot. The utility model discloses can compatible multiple interface does not receive the restriction of server inner structure position, can compatible all not nanostructured's server, improves tool heat-sinking capability, and the extension is carried test time by pulling.
Description
Technical Field
The utility model relates to a server test field, concretely relates to draw and carry test fixture.
Background
With the requirement for high quality of server products, in the development period of the server products, the hardware performance of the products needs to be tested, and the normal operation of the hardware is guaranteed. The test is used as a quality control means, can maintain the life of the product and also can guarantee the quality of the improved product. In order to guarantee the power supply requirements of each module and ensure that the voltage of each module is normal under the maximum current consumption, different modules need to be subjected to pull load tests.
The load-pulling test needs to be carried out in the environment of the whole machine, under the existing test condition, one end of a load line needs to be welded to a corresponding voltage component, the other end of the load line needs to be connected to an electronic load for load-pulling, and meanwhile, a universal meter or an oscilloscope is used for testing a corresponding voltage value. And the welding is inconvenient under the condition that the complete machine accessory is fully matched, the wiring is inconvenient because the number of load lines is more, and the welding of thicker load lines on the components is easy to damage the components or the welding pads. The integrated load card can be directly inserted into the server, but is limited by the internal structure of the server, the insertion and extraction of the integrated load card can be influenced by the installation parts, the installation positions of the parts in different servers are different, and the shape of the integrated load card cannot be matched with the servers of all models. Moreover, the temperature rises during the test of the integrated load card, and the heat dissipation effect is poor depending on a fan inside the server.
Disclosure of Invention
In order to solve the problem, the utility model provides a draw and carry test fixture, adaptation in all model servers improves the radiating effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pull-load test fixture is used for development and test of a server and is characterized by comprising an integrated load card, a switching assembly and a cooling fan;
the integrated load card comprises a transfer socket, a plurality of load resistors, a dial switch, a temperature collector and a temperature control circuit, wherein the load resistors are connected with the transfer socket through the dial switch, the transfer socket corresponds to a plurality of voltage ends and is connected with corresponding voltages of the server through a transfer component; the temperature collector is arranged on the load resistor, and the temperature control circuit controls the on-off of the cooling fan according to the signal of the temperature collector;
the adapter assembly comprises a load card adapter plug, an adapter cable and a server adapter plug, the load card adapter plug is connected with the adapter socket of the integrated load card, and the server adapter plug is connected with the server slot.
Furthermore, the integrated load card is externally connected with a direct current stabilized power supply for power supply.
Further, the temperature control circuit comprises a voltage comparator and a switch circuit; the first output end of the direct-current stabilized power supply is connected with the reverse phase input end of the voltage comparator, the second output end of the direct-current stabilized power supply is connected with the temperature collector, the third output end of the direct-current stabilized power supply is connected with the first input end of the switch circuit, the non-phase input end of the voltage comparator is connected with the output end of the temperature collector, the output end of the voltage comparator is connected with the second input end of the switch circuit, and the output.
Further, a current gun is connected to the transfer line.
Furthermore, the integrated load card is also connected with a USB adapter assembly, the USB adapter assembly comprises a USB adapter plug, a USB adapter cable and a USB male connector, and the USB adapter plug is connected with the USB adapter socket of the integrated load card.
Further, the server adapter plug includes a PCIE adapter plug, an OCP3.0 network card adapter plug, and a Riser interface adapter plug.
Furthermore, a short-circuit cap can be inserted into the adapter socket.
Further, the patch socket voltage end corresponding voltages include P12V, P3V3, P3V3_ AUX, and P5V.
The utility model has the advantages that:
the utility model provides a pulling load test fixture, an integrated load card is connected with a slot inside a server through a switching component, the integrated load card can be placed outside a server case and is not limited by the position of the internal structure of the server, and the integrated load card can be compatible with servers with different structures; the device can be compatible with various interfaces, thereby simplifying the complexity of test operation and improving the safety; and a welding load line is not needed, so that the damage risk brought in the operation process is reduced. The patch cord in the switching subassembly conveniently places the electric current rifle, can monitor real-time current value, and the wave form record of current value and measured voltage can be accomplished to collocation oscilloscope. When the integrated load card reaches a certain temperature, the cooling fan can be automatically started, the cooling capacity of the integrated load card is effectively improved, and the pulling load test time can be prolonged.
Drawings
FIG. 1 is a schematic view of a connection structure of a tensile testing fixture according to the present invention;
fig. 2 is a schematic diagram a of the connection of the integrated load card of the tensile testing fixture of the present invention;
fig. 3 is the utility model discloses draw and carry test fixture integrated load card and connect schematic diagram B.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention.
The utility model provides a draw and carry test fixture, including integrated load card, switching subassembly and radiator fan.
As shown in fig. 1, the adapter module includes a load card adapter plug, an adapter cable and a server adapter plug, and is connected to the adapter socket of the integrated load card through the load card adapter plug and connected to the server socket through the server adapter plug.
The server adapter plug includes, but is not limited to, a PCIE adapter plug, an OCP3.0 network card adapter plug, and a Riser interface adapter plug.
The adapter wire bears the load current, is connected with the current gun, can detect the real-time current value and can be matched with the oscilloscope to complete the waveform recording of the current value and the measured voltage.
The integrated load card comprises a transfer socket, a plurality of load resistors, a dial switch, a temperature collector and a temperature control circuit, wherein the load resistors are connected with the transfer socket through the dial switch, the transfer socket corresponds to a plurality of voltage ends and is connected with corresponding voltages of the server through a transfer component;
the voltage end of the adapter socket corresponds to voltages including P12V, P3V3, P3V3_ AUX and P5V, and the four groups of voltages are used in a matched mode to finish pull-load tests of different interfaces of the server, such as a PCIE interface, an OCP3.0 network card interface, a Riser interface, a USB interface and the like. As shown in fig. 2, each group of voltages can control the on-off of different load resistance circuits by adjusting the dial switches, and adjust to the required load current, thereby completing the pull load test of different interfaces. The PCIE switching component uses three groups of voltages of P12V, P3V3 and P3V3_ AUX; the OCP3.0 network card switching component uses two groups of voltages of P12V and P3V3_ AUX; the Riser interface switching component uses a P12V set of voltages; the USB switching component uses P5V set of voltages. The dial switch is changed to select the required current, for example, the current of the load 7A is required to be tested by the Riser interface P12V, the load card is provided with the load current of 100mA, the dial switch is turned to the OFF state before testing, and the sum of the currents for turning the dial switch to the ON state is 6.9A.
The adapter socket can be plugged with a short-circuit cap, when the short-circuit cap is inserted into a socket with a certain group of voltages, a short-circuit protection test can be realized, and the short-circuit cap is made of an insulating material with safe thickness;
the integrated load card is also connected with a USB adapter assembly, the USB adapter assembly comprises a USB adapter plug, a USB adapter cable and a USB male connector, and the USB adapter plug is connected with the USB adapter of the integrated load card. The integrated load card comprises a USB female head, USB equipment such as a keyboard, a mouse and the like can be inserted into the USB female head, a USB male head of the USB switching assembly is inserted into a USB interface of the server, the server can normally identify the USB equipment inserted into the USB female head of the integrated load card, the USB equipment can be displayed in an equipment manager of the server, and the pull load test of the USB interface can be completed.
As shown in fig. 3, the integrated load card further includes a temperature collector and a temperature control circuit, the temperature collector is disposed on the load resistor and collects the temperature near the load resistor, and the temperature control circuit controls the on/off of the cooling fan according to the signal of the temperature collector.
The integrated load card is powered by an external direct current stabilized power supply. The temperature control circuit comprises a voltage comparator and a switch circuit; the first output end of the direct-current stabilized power supply is connected with the reverse phase input end of the voltage comparator, the second output end of the direct-current stabilized power supply is connected with the temperature collector, the third output end of the direct-current stabilized power supply is connected with the first input end of the switch circuit, the non-phase input end of the voltage comparator is connected with the output end of the temperature collector, the output end of the voltage comparator is connected with the second input end of the switch circuit, and the output.
The switching circuit can select a triode, the temperature collector uses a negative temperature coefficient resistor, voltage values at two ends of the negative temperature coefficient resistor can be obtained and used as the in-phase input of the voltage comparator, and the reverse-phase input of the voltage comparator is connected with a multi-path direct-current stabilized voltage supply and used as the reference voltage of the voltage comparator. When the temperature rises to a certain value, the in-phase input of the voltage comparator is higher than the reverse-phase input, the output high level of the voltage comparator is transmitted to the switch circuit, when the voltage comparator outputs high voltage to the switch circuit, the switch circuit is conducted, and the cooling fan can normally run. On the contrary, when the voltage comparator outputs low voltage, the switch circuit is switched off, and the cooling fan is switched off.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto. Various modifications and alterations will occur to those skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. On the basis of the technical scheme of the utility model, various modifications or deformations that technical personnel in the field need not pay out creative work and can make still are within the protection scope of the utility model.
Claims (8)
1. A pull-load test fixture is used for development and test of a server and is characterized by comprising an integrated load card, a switching assembly and a cooling fan;
the integrated load card comprises a transfer socket, a plurality of load resistors, a dial switch, a temperature collector and a temperature control circuit, wherein the load resistors are connected with the transfer socket through the dial switch, the transfer socket corresponds to a plurality of voltage ends and is connected with corresponding voltages of the server through a transfer component; the temperature collector is arranged on the load resistor, and the temperature control circuit controls the on-off of the cooling fan according to the signal of the temperature collector;
the adapter assembly comprises a load card adapter plug, an adapter cable and a server adapter plug, the load card adapter plug is connected with the adapter socket of the integrated load card, and the server adapter plug is connected with the server slot.
2. The pull-load test fixture according to claim 1, wherein the integrated load card is externally connected with a DC stabilized power supply for power supply.
3. The pull-load test fixture according to claim 2, wherein the temperature control circuit comprises a voltage comparator and a switch circuit; the first output end of the direct-current stabilized power supply is connected with the reverse phase input end of the voltage comparator, the second output end of the direct-current stabilized power supply is connected with the temperature collector, the third output end of the direct-current stabilized power supply is connected with the first input end of the switch circuit, the non-phase input end of the voltage comparator is connected with the output end of the temperature collector, the output end of the voltage comparator is connected with the second input end of the switch circuit, and the output.
4. The pull-load test fixture according to claim 1, wherein the transfer line is connected to a current gun.
5. The pull-load test fixture according to claim 1, wherein the integrated load card is further connected to a USB adapter module, the USB adapter module includes a USB adapter plug, a USB patch cord and a USB male plug, and the USB adapter plug is connected to the USB adapter socket of the integrated load card.
6. The pull-load test fixture according to claim 1, wherein the server adapter plug comprises a PCIE adapter plug, an OCP3.0 network card adapter plug, and a Riser interface adapter plug.
7. The pull-load test fixture of claim 1, wherein the adapter socket is adapted to receive a shorting cap.
8. The pull-load test fixture of claim 1, wherein the voltage terminals of the adapter socket correspond to voltages including P12V, P3V3, P3V3_ AUX, and P5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696255.0U CN211148807U (en) | 2019-10-11 | 2019-10-11 | Pull-load test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696255.0U CN211148807U (en) | 2019-10-11 | 2019-10-11 | Pull-load test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211148807U true CN211148807U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921696255.0U Active CN211148807U (en) | 2019-10-11 | 2019-10-11 | Pull-load test fixture |
Country Status (1)
| Country | Link |
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| CN (1) | CN211148807U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828363A (en) * | 2020-06-29 | 2020-10-27 | 苏州浪潮智能科技有限公司 | Heat dissipation adjusting system and method for board card device in voltage regulation and measurement process |
| CN113589041A (en) * | 2021-06-22 | 2021-11-02 | 苏州浪潮智能科技有限公司 | Interface power supply signal test fixture, integrity test system and integrity test method |
| CN114050714A (en) * | 2022-01-13 | 2022-02-15 | 苏州浪潮智能科技有限公司 | Method, circuit, device and medium for protecting PCIE (peripheral component interface express) card power supply |
-
2019
- 2019-10-11 CN CN201921696255.0U patent/CN211148807U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828363A (en) * | 2020-06-29 | 2020-10-27 | 苏州浪潮智能科技有限公司 | Heat dissipation adjusting system and method for board card device in voltage regulation and measurement process |
| CN113589041A (en) * | 2021-06-22 | 2021-11-02 | 苏州浪潮智能科技有限公司 | Interface power supply signal test fixture, integrity test system and integrity test method |
| CN114050714A (en) * | 2022-01-13 | 2022-02-15 | 苏州浪潮智能科技有限公司 | Method, circuit, device and medium for protecting PCIE (peripheral component interface express) card power supply |
| CN114050714B (en) * | 2022-01-13 | 2022-04-22 | 苏州浪潮智能科技有限公司 | Method, circuit, device and medium for protecting PCIE (peripheral component interface express) card power supply |
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