CN219285334U

CN219285334U - Tumor electric field therapeutic instrument host computer PCBA board test fixture and system

Info

Publication number: CN219285334U
Application number: CN202223468253.0U
Authority: CN
Inventors: 毛敏; 孙虎; 沈琪超
Original assignee: Jiangsu Hailai Xinchuang Medical Technology Co Ltd
Current assignee: Jiangsu Hailai Xinchuang Medical Technology Co Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-30
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a tool and a system for testing a PCBA (printed circuit board assembly) of a tumor electric field therapeutic instrument host. This tumour electric field therapy apparatus host computer PCBA board test fixture includes: a base; the probe is suitable for being electrically connected with the PCBA board; the placing plate is positioned above the touch needle plate and provided with an avoidance hole, the upper side of the placing plate is a PCBA board installation side, and the avoidance hole penetrates through to the PCBA board installation side; and the moving assembly is arranged on the base and drives the placing plate to be close to or far away from the touch needle plate. According to the testing tool for the host PCBA of the tumor electric field therapeutic apparatus, disclosed by the utility model, the testing of the power supply connection function, the circuit communication function, the electric field function and the program downloading function of the host PCBA can be completed by using the same testing tool, and the quality of the host PCBA can be rapidly and accurately tested.

Description

Tumor electric field therapeutic instrument host computer PCBA board test fixture and system

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a tumor electric field therapeutic apparatus host PCBA board testing tool and a tumor electric field therapeutic apparatus host PCBA board testing system with the same.

Background

At present, the treatment modes of tumors mainly comprise operation, radiotherapy, chemotherapy and the like, but the treatment modes have corresponding defects, such as side effects caused by radiotherapy and chemotherapy, and normal cells can be killed. The tumor is treated by using an electric field, which is one of the fronts of research and development at present, and the tumor electric field treatment is a tumor treatment method which uses a low-intensity, medium-high-frequency and alternating electric field generated by an electric field generator to interfere the mitosis process of tumor cells. Research shows that the electric field treatment has obvious effect in treating glioblastoma, non-small cell lung cancer, malignant pleural mesothelioma and other diseases, and the electric field applied by the treatment method can influence the aggregation of tubulin, prevent spindle body formation, inhibit mitosis process and induce cancer cell apoptosis.

The existing tumor electric field treatment system generally comprises an electric field generator and two pairs of electrode patches which are electrically connected with the electric field generator and are applied to the corresponding body surface of the tumor part of a patient. The host PCBA board of the electric field generator is a complex system device, and a detector cannot quickly and accurately test the quality of the host PCBA board.

Disclosure of Invention

The present utility model aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the utility model provides a tool for testing the PCBA of the host computer of the tumor electric field therapeutic apparatus, which can rapidly and accurately test the quality of the PCBA of the host computer.

The utility model also provides a tumor electric field therapeutic instrument host PCBA board testing system with the tumor electric field therapeutic instrument host PCBA board testing tool.

The PCBA testing tool for the tumor electric field therapeutic apparatus host according to the embodiment of the utility model comprises: the device comprises a base, wherein a power interface module, a short circuit and voltage detection interface module, an electric field voltage and current detection module and a program downloading module are arranged on the base; the touch pin plate is arranged on the base, a plurality of probes are arranged on the touch pin plate, the power interface module, the short circuit and voltage detection interface module, the electric field voltage and current detection module and the program downloading module are correspondingly and electrically connected with different probes, and the probes are electrically connected with the host PCBA; the placing plate is arranged above the touch needle plate, an avoidance hole for avoiding the probe is formed in the placing plate, the upper side of the placing plate is a PCBA board installation side, and the avoidance hole penetrates upwards to the host PCBA board installation side; and the moving assembly is arranged on the base and drives the placing plate to be close to or far away from the touch needle plate.

According to the testing tool for the host PCBA of the tumor electric field therapeutic apparatus, the power interface module, the short circuit and voltage detection interface module, the electric field voltage and current detection module and the program downloading module are arranged on the base, so that the testing of the power connection function, the circuit communication function, the electric field function and the program downloading function of the host PCBA can be completed by using the same testing tool, and the quality of the host PCBA can be rapidly and accurately tested.

Further, the plurality of probes comprise power test probes, the power interface module comprises a first power supply power interface, a second power supply power interface, a tool power supply selection switch and a battery jar, wherein the tool power supply selection switch and the battery jar are connected with the first power supply power interface and the second power supply power interface, the power supply voltage connected with the first power supply power interface is lower than the power supply voltage connected with the second power supply power interface, the tool power supply selection switch is suitable for controlling the first power supply power interface or the second power supply power interface to be disconnected with the power test probes or to be electrically connected, and the battery jar is electrically connected with the power test probes when the tool power supply selection switch controls the first power supply power interface and the second power supply power interface to be disconnected with the power test probes.

Further, the plurality of probes comprise voltage test probes, the short circuit and voltage detection interface module comprises a gear knob switch and a short circuit/voltage detector interface connected with the gear knob switch, the gear knob switch is suitable for selecting different voltage gears, and the gear knob switch is suitable for controlling the short circuit/voltage detector interface to be electrically connected with the voltage test probes in the selected voltage gears

Further, the probes comprise electric field test probes, the electric field voltage and current detection modules comprise electric field starting keys and indicator lamp modules, an adapter connected with the electric field starting keys and the indicator lamp modules, an electrode device connecting port connected with the adapter, a tool load switch connected with the adapter, a load connected with the tool load switch, and a main board output electric field voltage detection port and a main board output electric field current detection port which are connected with the load together, wherein the electric field starting keys and the indicator lamp modules are suitable for starting an electric field and at least suitable for indicating whether the electric field is started, and the main board output electric field voltage detection port and the main board output electric field current detection port are all indirectly and electrically connected with the electric field test probes.

Further, the main board output electric field voltage detection port comprises a first pair of voltage detection points and a second pair of voltage detection points, wherein the first pair of voltage detection points are suitable for detecting the voltage of the electric field in the first direction, and the second pair of voltage detection points are suitable for detecting the voltage of the electric field in the second direction.

Further, the plurality of probes include a transmission test probe, and the program download module includes a transmission interface electrically connected to the transmission test probe.

Further, a fan is further arranged on the base, the plurality of probes comprise fan test probes, and the fan is electrically connected with the fan test probes.

Further, the moving assembly comprises a pressing rod assembly and a pressing plate, wherein the pressing rod assembly comprises a pressing rod body, a connecting rod pivotally connected with the pressing rod body, a transmission rod pivotally connected with the connecting rod and a limit sleeve used for guiding the transmission rod to move up and down, the pressing rod body is pivotally connected with the base, and the pressing plate is fixedly connected with the transmission rod.

Further, the transmission rod comprises a transmission rod body and a transmission block, a strip hole is formed in the transmission block, a mounting hole is formed in the pressing plate, and a fastener penetrates through the mounting hole and the strip hole.

Further, one of the placing plate and the contact pin plate is provided with a guide post, the other guide post is provided with a guide groove, the guide post is in guide fit with the guide groove, and a compression spring is further arranged between the placing plate and the contact pin plate.

According to another embodiment of the utility model, a system for testing a PCBA of a tumor electric field therapeutic apparatus host comprises: the test fixture comprises a power supply, a battery, a short circuit and voltage test instrument, an electric field detector, an electrode device, a memory and the tumor electric field therapeutic instrument host PCBA board test fixture, wherein the power supply and the battery are suitable for being connected with a power interface module, the short circuit and voltage test instrument is suitable for being connected with the short circuit and voltage test interface module, the electric field detector and the electrode device are suitable for being connected with an electric field voltage current detection module, and the memory is suitable for being connected with a program downloading module.

The PCBA testing system of the main machine of the tumor electric field therapeutic apparatus has the same advantages as the PCBA testing tool of the main machine of the tumor electric field therapeutic apparatus compared with the prior art, and the advantages are not repeated here.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic perspective assembly view of a tool for testing PCBA of a host computer of a tumor electric field therapeutic apparatus;

FIG. 2 is an exploded schematic view of the tool for testing PCBA of the main unit of the tumor electric field therapeutic apparatus in FIG. 1;

FIG. 3 is a schematic view of the PCBA board and placement board of FIG. 2;

FIG. 4 is a schematic view of the press bar assembly and press plate of FIG. 2;

FIG. 5 is a rear view of the tumor electric field therapy apparatus host PCBA board test fixture of FIG. 1;

FIG. 6 is a schematic diagram of the internal wiring of the PCBA board test fixture of the tumor electric field therapeutic apparatus host in FIG. 1;

fig. 7 is a schematic diagram of a tumor electric field therapeutic apparatus host PCBA board testing system.

Reference numerals:

tumor electric field therapy apparatus host PCBA plate test fixture 100, compression bar assembly 110, compression bar body 1101, transmission bar 1102, transmission bar body 1102A, transmission block 1102b, elongated hole 1102c, limit sleeve 1103, connection bar 1104, base 1105, platen 111, platen body 111A, column 111b, mounting hole 111c, host PCBA plate 120, positioning hole 1201, placement plate 121, PCBA plate mounting side 121A, guide post 1211, avoidance hole 1212, PCBA plate positioning slot 1213, PCBA plate positioning post 1214, touch plate 122, guide slot 1221, probe 1222, probe module 1222A, power test probe 1222A1, voltage test probe 1222A2, electric field test probe 1222A3, transmission test probe 1222A4, fan test probe 1222A5, compression spring 123, tooling load switch 131 motherboard output electric field voltage detection port 132, short circuit/voltage detector interface 133, gear knob switch 134, electric field on button, indicator light module 135, tooling power selection switch 142, base 150, tooling upper and lower cover latches 151, tooling handle 152, lower housing 153, upper cover 154, support 155, fan 1510, battery well 1520, motherboard output electric field current detection port 1530, electrode assembly connection port 1540, first power supply interface 156, second power supply interface 157, transmission interface 161, adapter 170, load 180, power supply 200, first power supply 210, second power supply 220, battery 300, short circuit and voltage test meter 400, electrode assembly 500, electrode 510, memory 600, electric field detector 700, tumor electric field therapeutic instrument host PCBA board test system 1000.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

A tumor electric field therapeutic apparatus host PCBA board testing tool 100 and a tumor electric field therapeutic apparatus host PCBA board testing system having the same 100 according to an embodiment of the present utility model are described in detail below with reference to fig. 1 to 7.

Referring to fig. 1-5, a PCBA board testing tool 100 for a host PCBA board of a tumor electric field therapeutic apparatus according to an embodiment of the present utility model includes a base 150, a stylus board 122 disposed on the base 150, a placement board 121 disposed above the stylus board 122 for placing the PCBA board of the host PCBA board of the tumor electric field therapeutic apparatus, and a moving assembly (not numbered) mounted on the base 150 and adapted to drive the placement board 121 to approach or separate from the stylus board 122.

As shown in fig. 1, 2 and 5, the base 150 is generally box-shaped and the base 150 includes a lower housing 153 and an upper cover 154. The upper cover 154 is located above the lower case 153, and an installation space is formed between the upper cover 154 and the lower case 153. The upper cover plate 154 and the lower case 153 can be locked by the tool upper and lower cover latches 151 to shield and protect the components in the installation space. After the upper cover lock catch 151 of the tool is unlocked, the upper cover plate 154 can be opened relative to the lower shell 153, so that parts in the installation space can be conveniently operated. The outer peripheral surface of the lower housing 153 is provided with at least two tool handgrips 152, and when the tool 100 is required to be carried by the PCBA of the tumor electric field therapeutic apparatus host, the tool handgrips 152 can be lifted to complete carrying operation. The tool handle 152 is at least two of the two opposite side walls of the lower housing 153, so that the tool handle 100 is stable when carrying the PCBA test tool 100 of the main body of the tumor electric field therapeutic apparatus, and the tool handle 100 of the PCBA test tool of the main body of the tumor electric field therapeutic apparatus is not easy to turn on one's side.

The base 150 is provided with a power interface module (not shown), a short circuit and voltage detection interface module (not shown), an electric field voltage and current detection module (not shown), and a program downloading module (not shown). The power interface module (not shown) is suitable for testing the power connection function of the host PCBA board 120, the short circuit and voltage detection interface module (not shown) is suitable for testing the circuit connection function of the host PCBA board 120, the electric field voltage and current detection module (not shown) is suitable for testing the electric field function of the host PCBA board 120, and the program download module (not shown) is suitable for testing the program download function of the host PCBA board 120.

As shown in fig. 1-2, the stylus plate 122 is provided on a base 150. In this embodiment, the touch pad 122 may be fixed to the upper cover 154 of the base 150 by fasteners (not numbered) such as bolts, rivets, and the like. The touch pad 122 is provided with a plurality of probes 1222 penetrating therethrough, and a power interface module (not shown), a short circuit and voltage detection interface module (not shown), an electric field voltage and current detection module (not shown), and a program download module (not shown) are electrically connected to the respective probes 1222. The probes 1222 protrude upward from the upper surface of the contact pin plate 122, and the probes 1222 are adapted to electrically connect with the host PCBA board 120. The top ends of the probes 1222 may be in direct contact with corresponding monitoring points (not shown) on the host PCBA board 120 to make electrical connection, and the different modules may be electrically connected to the bottom ends of the probes 1222 through wires (not shown) disposed in the mounting space.

The placement plate 121 is mounted above the contact plate 122. One of the placing plate 121 and the stylus plate 122 has a guide post 1211, the other has a guide groove 1221 in guide engagement with the guide post 1211, and a compression spring 123 is further provided between the placing plate 121 and the stylus plate 122. In this embodiment, as shown in fig. 2 to 3, the placing plate 121 has guide posts 1211, the contact pin plate 122 has guide grooves 1221, the lower ends of the compression springs 123 are fixed to the contact pin plate 122, and the upper ends of the compression springs 123 face the placing plate 121. The number of the guide posts 1211 may be plural, for example, four, and the guide grooves 1221 are in one-to-one correspondence with the number and positions of the guide posts 1211, thereby facilitating the improvement of the guide reliability. The number of the compression springs 123 may be plural, for example, four, and the plural compression springs 123 may be arranged in a dispersed manner, which is advantageous in improving the cushioning stability of the compression springs 123 when supporting the stylus plate 122. Preferably, the guide grooves 1221 and the compression springs 123 are located at substantially the corners of the contact plate 122, and the guide posts 1211 are located at substantially the corners of the placement plate 121. Preferably, the guide groove 1221 is a sleeve.

The placing plate 121 is provided with an avoidance hole 1212 adapted to avoid the probe 1222, and the avoidance hole 1212 is a through hole penetrating along the thickness direction of the placing plate 121. The upper side of the placement board 121 is a PCBA board installation side 121A, the host PCBA board 120 is suitable for being placed on the PCBA board installation side 121A, the avoidance hole 1212 extends upward to the PCBA board installation side 121A, and the probe 1222 can pass through the avoidance hole 1212 and then contact with a corresponding part of the host PCBA board 120 to realize electrical connection, i.e. the upper end of the probe 1222 is electrically connected with a corresponding monitoring point (not shown) on the host PCBA board 120. A PCBA board mounting side 121A is provided with PCBA board positioning slots 1213 and a plurality of PCBA board positioning posts 1214. The shape of the host PCBA board 120 is adapted to the shape of the PCBA board positioning slot 1213. The host PCBA board 120 is provided with a plurality of positioning holes 1201, and the positioning holes 1201 correspond to the number and positions of the PCBA board positioning columns 1214 one by one. When the host PCBA board 120 is placed on the PCBA board installation side 121A, the positioning holes 1201 on the host PCBA board 120 are aligned with the corresponding PCBA board positioning columns 1214, and then the host PCBA board 120 is pressed down, so that the host PCBA board 120 enters the PCBA board positioning slots 1213, and the PCBA board positioning slots 1213 and the PCBA board positioning columns 1214 can perform double limiting on the host PCBA board 120, thereby improving the placement firmness of the host PCBA board 120 on the placement board 121, preventing the host PCBA board 120 from sliding off from the placement board 121, and improving the alignment accuracy of the probes 1222 and corresponding monitoring points (not shown) on the host PCBA board 120. Alternatively, the number of the positioning holes 1201 on the host PCBA board 120 and the number of the PCBA board positioning posts 1214 on the placement board 121 may be four, where the four positioning holes 1201 are distributed at four corners of the host PCBA board 120, and the PCBA board positioning posts 1214 are distributed at four corners of the placement board 121, so as to facilitate the improvement of positioning firmness.

A moving assembly (not numbered) is mounted to the base 150, and the moving assembly (not numbered) is adapted to drive the placing plate 121 toward or away from the contact pin plate 122. When the moving assembly (not numbered) drives the placing plate 121 to approach the touch plate 122 to a first preset distance, the probes 1222 can pass through the avoidance holes 1212 on the placing plate 121 and contact the corresponding monitoring points on the host PCBA board 120 above the placing plate 121; when the moving assembly (not numbered) drives the placement plate 121 away from the contact plate 122 to a second predetermined distance, the probes 1222 are separated from the host PCBA board 120.

In this embodiment, as shown in fig. 2, the moving assembly (not numbered) includes a pressing bar assembly 110 and a pressing plate 111. The compression bar assembly 110 is fixed to the compression plate 111 and pulls the compression plate 111 to move vertically. The pressure plate 111 is located above the placement plate 121 and is used to press against a corresponding portion of the host PCBA board 120, so that a corresponding monitoring point (not shown) on the host PCBA board 120 is in close contact with the probe 1222. The press plate 111 may be an acryl transparent press plate, so that a tester can observe the condition under the press plate 111 conveniently.

In this embodiment, the plunger assembly 110 includes a base 1105, a plunger body 1101 pivotally connected to the base 1105, a connecting rod 1104 pivotally connected to the plunger body 1101, a drive link 1102 pivotally connected to the connecting rod 1104, and a stop collar 1103 that positions the drive link 1102 outside Zhou Xianwei. The base 150 further includes a support 155 secured to the upper cover 154. The base 1105 of the plunger assembly 110 is bolted to the support 155 of the base 150 and the plunger body 1101 of the plunger assembly 110 is pivotally connected to the support 155 of the base 150. The transmission rod 1102 is indirectly connected with the compression rod body 1101 through a connecting rod 1104. The upper end of the connecting rod 1104 is pivotally connected to the lever body 1101, and the lower end of the connecting rod 1104 is pivotally connected to the upper end of the transmission lever 1102. The limiting sleeve 1103 is used for guiding the driving rod 1102 to move up and down, and the pressing plate 111 is fixedly connected with the lower end of the driving rod 1102. The plunger assembly 110 is configured to: the transmission rod 1102 can move downwards along the limit sleeve 1103 when the compression rod body 1101 is pressed down; the drive lever 1102 can move upward along the stopper sleeve 1103 when the lever body 1101 is pushed upward.

As shown in fig. 2 and 4, the transmission lever 1102 includes a transmission lever body 1102a and a transmission block 1102b. The lower end of the connecting rod 1104 is pivotally connected with the upper end of the transmission rod body 1102a, and the transmission block 1102b is fixedly arranged at the lower end of the transmission rod body 1102 a. The driving block 1102b is provided with a long hole 1102c, the pressing plate 111 is provided with a mounting hole 111c, and fasteners (not shown) such as bolts penetrate through the mounting hole 111c and the long hole 1102c to realize the fixed connection between the pressing plate 111 and the driving rod 1102. The number of the strip holes 1102c is a plurality, and the mounting holes 111c are in one-to-one correspondence with the number and the positions of the strip holes 1102c, so that the connection firmness degree of the pressing plate 111 and the transmission rod 1102 is improved. In this embodiment, the number of the elongated holes 1102c is two, and the two elongated holes 1102c are located on two sides of the axis of the transmission rod body 1102 a. The length of the strip hole 1102c is greater than the aperture of the mounting hole 111c, so that the relative position of the pressing plate 111 and the transmission block 1102b can be conveniently fine-tuned, and the pressing plate 111 can avoid electrical elements on the host PCBA board 120 when pressing the host PCBA board 120.

As shown in fig. 2 and 4, the platen 111 includes a platen body 111a and a column 111b, and a mounting hole 111c is provided through the platen body 111a, and the column 111b is fixed to the lower surface of the platen body 111a and extends downward. When the host PCBA board 120 needs to be tested, the transmission rod 1102 moves downwards along the limit sleeve 1103 by pressing the compression rod body 1101, the transmission rod 1102 drives the compression plate body 111a to move downwards synchronously, the upright column 111b presses down the corresponding part of the host PCBA board 120, in particular, the part of the host PCBA board 120, where no electrical element is mounted, so as to prevent the electrical element from being damaged, and the host PCBA board 120 moves along with the placing board 121 in a direction close to the touch plate 122, when the moving assembly (not numbered) drives the placing board 121 to approach the touch plate 122 to a first preset distance, the probe 1222 can pass through the avoidance hole 1212 on the placing board 121 and electrically contact with the host PCBA board 120 above the placing board 121. The compression springs 123 on the contact pin plate 122 facing the placement plate 121 can buffer the placement plate 121 when the placement plate 121 moves downward, so as to avoid the contact pin plate 122 from being damaged by the placement plate 121, and also prevent the probes 1222 from penetrating the host PCBA board 120. After the test of the host PCBA board 120 is finished, the driving rod 1102 moves upward along the limit sleeve 1103 by pushing the rod body 1101 upward, the driving rod 1102 drives the pressing plate body 111a to move upward synchronously, the upright column 111b moves in a direction away from the host PCBA board 120, under the action of the restoring force of the compression spring 123, the compression spring 123 pushes the placing board 121 and the host PCBA board 120 to move upward synchronously so as to be away from the touch board 122, and when the placing board 121 is away from the touch board 122 to a second preset distance, the probe 1222 is separated from the host PCBA board 120.

As shown in fig. 1-2, 5-6, the plurality of probes 1222 comprise a probe module 1222A, and the plurality of probes 1222 include a power test probe 1222A1, a voltage test probe 1222A2, an electric field test probe 1222A3, a transmission test probe 1222A4, and a fan test probe 1222A5.

As shown in fig. 1-2 and 5-6, the power interface module (not shown) includes a first power interface 156, a second power interface 157, a tool power selection switch 142, and a battery tank 1520. The first power supply interface 156 and the second power supply interface 157 are both connected to the tool power supply selection switch 142. The tool power selection switch 142 is adapted to control the first power supply interface 156 or the second power supply interface 157 to be disconnected from the power test probe 1222A1 or to be electrically connected, for example, the tool power selection switch 142 may control the first power supply interface 156 to be disconnected from the power test probe 1222A1, the second power supply interface 157 to be electrically connected to the power test probe 1222A1, or the first power supply interface 156 to be electrically connected to the power test probe 1222A1, and the second power supply interface 157 to be disconnected from the power test probe 1222 A1. When the tool power selection switch 142 controls the first power supply interface 156 or the second power supply interface 157 to be electrically connected to the power test probe 1222A1, the battery tank 1520 is disconnected from the power test probe 1222 A1. When the tool power selection switch 142 controls the first power supply interface 156 and the second power supply interface 157 to be disconnected from the power test probe 1222A1, the battery tank 1520 is electrically connected to the power test probe 1222 A1. The power supply voltage to which the first power supply interface 156 is connected is lower than the power supply voltage to which the second power supply interface 157 is connected, for example, the first power supply interface 156 may be a 12V power supply interface and the second power supply interface 157 may be a 40V power supply interface. The first power supply interface 156 may be used to perform low voltage alarm testing on the host PCBA board 120. The switching of the first power interface 156, the second power interface 157, the tool power selection switch 142, and the battery slot 1520 enables power switching functional testing of the host PCBA board 120.

As shown in fig. 1-2 and 5-6, the short circuit and voltage detection interface module (not shown) includes a gear knob switch 134 and a short circuit/voltage detector interface 133 connected to the gear knob switch 134. The gear knob switch 134 is adapted to select different voltage gears, and the gear knob switch 134 is adapted to control the short circuit/voltage detector interface 133 to electrically connect with the voltage test probe 1222A2 in the selected voltage gear. The gear knob switches 134 are multiple, the short circuit/voltage detector interfaces 133 are multiple groups, and the gear knob switches 134 are arranged in one-to-one correspondence with the short circuit/voltage detector interfaces 133. The gear knob switches 134 can be sequentially used for detecting whether a short circuit phenomenon exists in each module of the host PCBA board 120 of the tumor electric field therapeutic apparatus, i.e. different gear knob switches 134 can be used for detecting whether a short circuit phenomenon exists in a module corresponding to the host PCBA board 120. The gear knob switches 134 may be sequentially used to detect whether the voltage of each module of the PCBA board 120 of the tumor electric field therapeutic apparatus is within a normal range, i.e. different gear knob switches 134 may be used to detect whether the voltage of the module corresponding to the PCBA board 120 of the host is within a normal range.

Referring to fig. 1-2 and 5-7, the electric field voltage and current detection module (not shown) includes an electric field start button and an indicator lamp module 135, an electrode device connection port 1540, a tooling load switch 131, a motherboard output electric field voltage detection port 132, and a motherboard output electric field current detection port 1530. The electric field on button and indicator light module 135 is adapted to turn on the electric field and at least to indicate whether the electric field is on. In this embodiment, the electric field start button and indicator module 135 may include an electric field start button (not numbered), an electric field indicator (not numbered), and a tool indicator (not numbered). The electric field starting button (not numbered) is used for starting an electric field, the electric field indicator lamp (not numbered) is used for indicating whether the electric field is started or not, and the tool indicator lamp (not numbered) can be used for indicating whether the main board program is successfully burnt and runs normally or not. The electric field on button and indicator module 135 is connected to the adapter 170, and the adapter 170 is connected to the electrode assembly connector 1540 and connects the adapter 170 to the electrode assembly 500 through the electrode assembly connector 1540. The tooling load switch 131 is connected with the load 180, the tooling load switch 131 is connected between the adapter 170 and the load 180, and the load 180 is also connected with the main board output electric field voltage detection port 132 and the main board output electric field current detection port 1530. The main board output electric field voltage detecting port 132 and the main board output electric field current detecting port 1530 are both indirectly electrically connected to the electric field test probe 1222 A3.

Referring to fig. 2, the main board output field voltage detection port 132 includes a first pair of voltage detection points (not numbered) and a second pair of voltage detection points (not numbered). The first pair of voltage detection points (not numbered) is adapted to detect the voltage of the output electric field in the first direction and the second pair of voltage detection points (not numbered) is adapted to detect the voltage of the output electric field in the second direction. The main board output electric field current detection port 1530 is used for detecting the current of the output electric field of the electrode 510 in the electrode device 500.

The program download module (not shown) includes a transport interface 161. The transmission interface 161 is electrically connected to the transmission test probe 1222 A4. In this embodiment, the transmission interface 161 is a USB interface.

The base 150 also has a fan 1510, the fan 1510 being electrically connected to a fan test probe 1222A5. The fan 1510 may be built in the installation space of the base 150, the fan 1510 may be installed and fixed on the inner side wall of the lower housing 153, and a fan observation opening (not shown) is formed on the lower housing 153 to observe the operation condition of the fan 1510, so as to observe whether the built-in fan 1510 of the tool is started to determine whether a fan module (not shown) on the host PCBA board 120 is intact when the fan 1510 detects.

According to the test fixture 100 for the host PCBA board of the tumor electric field therapeutic apparatus according to the embodiment of the present utility model, by arranging the power interface module (not shown), the short-circuit and voltage detection interface module (not shown), the electric field voltage and current detection module (not shown) and the program downloading module (not shown) on the base 150, the same test fixture can be used to complete the test of the power connection function, the circuit communication function, the electric field function and the program downloading function of the host PCBA board 120, and the quality of the host PCBA board 120 can be tested rapidly and accurately.

Referring to fig. 7, a PCBA board testing system 1000 of a tumor electric field therapeutic apparatus host according to another embodiment of the present utility model includes: the test fixture 100 comprises a power supply 200, a battery 300 matched with a tumor electric field therapeutic apparatus, a short circuit and voltage test instrument 400, an electric field detector 700, an electrode device 500 matched with the tumor electric field therapeutic apparatus, a memory 600 and a host PCBA board of the tumor electric field therapeutic apparatus. The power supply 200 and the battery 300 are adapted to be connected to a power interface module (not shown), the short circuit and voltage test meter 400 is adapted to be connected to a short circuit and voltage detection interface module (not shown), the electric field detector 700 and the electrode device 500 are adapted to be connected to an electric field voltage current detection module (not shown), and the memory 600 is adapted to be connected to a program download module (not shown). Alternatively, the battery 300 is a lithium battery or a lead-acid battery, the memory 600 is a computer or a mobile phone, and the electric field detector 700 may be an oscilloscope.

In this embodiment, the power supply 200 includes a first power supply 210 connected to the first power supply interface 156 of the PCBA board testing tool 100 of the tumor electric field therapeutic apparatus and a second power supply 220 connected to the second power supply interface 157. The first power supply 210 is a 12V power supply, and the second power supply 220 is a 40V power supply. The battery 300 is a lithium battery, the memory 600 is a computer, and the electric field detector 700 is an oscilloscope. Referring to fig. 7, the PCBA board testing tool 100 of the tumor electric field therapeutic apparatus host computer is connected to a collocation device: the electrode device 500 used in combination with the short-circuit and voltage test meter 400, the first power supply 210 of 12V, the second power supply 220 of 40V, the electric field detector 700, the memory 600, and the tumor electric field therapeutic apparatus is not inserted into the battery tank 1520 for the moment of the battery 300.

Referring to fig. 1-7, the host PCBA board 120 of the tumor electric field therapeutic apparatus is placed on the placing board 121, and the upright column 111b of the transparent acrylic pressing board 111 is pressed down by the pressing bar body 1101 to compact the host PCBA board 120 of the tumor electric field therapeutic apparatus, so that the host PCBA board 120 can complete electrical connection with the probe 1222 on the stylus board 122 through the avoiding hole 1212 of the placing board 121, and the tool power supply selection switch 142 is not turned on at this time.

The host PCBA board 120 is first short-circuited. Specifically, the short-circuit and voltage test meter 400 is caused to select a short-circuit detection mode, and the plurality of shift knob switches 134 are sequentially used to detect whether or not a short-circuit phenomenon exists in each module of the tumor electric field therapeutic apparatus host PCBA board 120. The shift knob switch 134 is provided corresponding to the short circuit/voltage detector interface 133. The gear knob switch 134 is sequentially rotated to each gear, and the short circuit and voltage test instrument 400 is sequentially connected with the short circuit/voltage detector interface 133 corresponding to the gear knob switch 134, so as to sequentially detect whether the short circuit phenomenon exists in the corresponding modules of the host PCBA board 120.

The host PCBA board 120 is burned with codes. Specifically, after the above-mentioned short circuit detection is completed and it is determined that all gears of all gear knob switches 134 are not shorted, a computer is used to burn firmware codes and test program downloading modules (not shown) on the host PCBA board 120 of the tumor electric field therapeutic apparatus through the transmission interface 161. The first power supply 210 with 40V is turned off and turned on again, so as to perform a restarting operation, and a main board indicator lamp (not shown) and a tool indicator lamp (not numbered) on the PCBA board 120 of the host are observed to indicate normal operation, so that the main board program is successfully burned and operates normally. The main board indicator lamp (not shown) and the tooling indicator lamp (not numbered) are lightened according to a preset mode, so that the main board program is successfully burnt and runs normally.

The fan module (not shown) of the host PCBA board 120 is then tested. Specifically, the computer-controlled tumor electric field therapy apparatus host PCBA board testing tool 100 is used to turn on the tool built-in fan 1510 to test whether the fan module (not shown) on the tumor electric field therapy apparatus host PCBA board 120 is intact.

Voltage testing is performed on the host PCBA board 120. Specifically, the tool power supply selection switch 142 is toggled to enable the power supply to be connected to the second power supply interface 157, and the second power supply 220 with 40V direct current stabilized voltage is connected to test whether the host PCBA board 120 of the tumor electric field therapeutic apparatus runs normally under the normal power supply voltage. The short circuit and voltage test meter 400 selects a voltage detection mode, and the plurality of gear knob switches 134 are sequentially used to detect whether the voltage of each module of the PCBA board 120 of the tumor electric field therapeutic apparatus is within a normal range, so as to determine whether the PCBA board 120 of the tumor electric field therapeutic apparatus is operating normally under the power of the second power supply 220 with 40V dc voltage regulation.

The above test completes the function verification when the tumor electric field therapeutic apparatus host PCBA board 120 does not turn on the electric field. The tumor electric field therapeutic apparatus host PCBA board 120 was then tested for electric field function, low voltage alarm function and power switching function.

The electric field generating module (not shown) of the host PCBA board 120 is tested. Specifically, the electric field is turned on by using an electric field on button (not shown) in the electric field on button and indicator lamp module 135, and the voltage waveform and the current waveform of the output electric field are detected by the electric field detector 700 to determine whether the electric field generating module (not shown) is normal. Two pairs of oscilloscope pens (not shown) of the electric field detector 700 are electrically connected to the pair of main board output electric field voltage detection ports 132 and the corresponding main board output electric field current detection port 1530 to detect voltage waveforms and current waveforms of the output electric field of the pair of electrodes 510 in the electrode device 500, and two pairs of oscilloscope pens (not shown) of the electric field detector 700 are electrically connected to the other pair of main board output electric field voltage detection ports 132 and the corresponding main board output electric field current detection port 1530 in the electrode device to detect voltage waveforms and current waveforms of the output electric field of the other pair of electrodes 510. The frequency and peak-to-peak value of the waveform are both within the normal range, and the electric field generation module (not shown) is normal, otherwise, the electric field generation module (not shown) is abnormal.

The host PCBA board 120 is tested for low voltage alarms. Specifically, the tool power supply selection switch 142 is toggled to change the power supply from the second power supply interface 157 to the first power supply interface 156, and the first power supply 210 with 12V direct current voltage stabilization is connected, and a buzzer (not shown) on the PCBA board 120 of the tumor electric field therapeutic apparatus sounds to determine that the low-voltage alarm function is normal, otherwise the low-voltage alarm function is abnormal.

The host PCBA board 120 is tested for power switching functionality. Specifically, after the foregoing test is passed, the battery 300 is inserted into the battery tank 1520, and the tool power supply selection switch 142 is turned off, so as to check whether the power supply switching function of the PCBA board 120 of the tumor electric field therapeutic apparatus is normal. The short circuit and voltage test meter 400 continues the voltage detection mode and the plurality of gear knob switches 134 are sequentially used to detect whether the voltage of each module of the tumor electric field therapy apparatus host PCBA board 120 is within a normal range to determine whether the tumor electric field therapy apparatus host PCBA board 120 is operating properly under the power supplied from the battery 300.

The test fixture 100 of the host PCBA board of the tumor electric field therapeutic apparatus facilitates the test staff to verify various functions of the host PCBA board 120 of the tumor electric field therapeutic apparatus, improves the test efficiency and reduces the test cost of the host PCBA board 120 of the tumor electric field therapeutic apparatus.

According to the tumor electric field therapeutic apparatus host PCBA board testing system 1000 provided by the embodiment of the utility model, the tumor electric field therapeutic apparatus host PCBA board testing tool 100 provided by the embodiment is used for testing the performance and the overall functions of each module of the host PCBA board 120, so that the damage in the testing process of the host PCBA board 120 can be avoided, and the testing efficiency can be improved.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A tumour electric field therapy apparatus host computer PCBA board test fixture, its characterized in that includes:

the device comprises a base, wherein a power interface module, a short circuit and voltage detection interface module, an electric field voltage and current detection module and a program downloading module are arranged on the base;

the touch pin plate is arranged on the base, a plurality of probes are arranged on the touch pin plate, the power interface module, the short circuit and voltage detection interface module, the electric field voltage and current detection module and the program downloading module are correspondingly and electrically connected with different probes, and the probes are electrically connected with the host PCBA;

the placing plate is arranged above the touch needle plate, an avoidance hole for avoiding the probe is formed in the placing plate, the upper side of the placing plate is a PCBA board installation side, and the avoidance hole penetrates upwards to the host PCBA board installation side;

and the moving assembly is arranged on the base and drives the placing plate to be close to or far away from the touch needle plate.

2. The tool for testing the PCBA board of the tumor electric field therapeutic apparatus host machine according to claim 1, wherein a plurality of probes comprise power test probes, the power interface module comprises a first power supply power interface, a second power supply power interface, a tool power supply selection switch connected with the first power supply power interface and the second power supply power interface and a battery groove, the power voltage connected with the first power supply power interface is lower than the power voltage connected with the second power supply power interface, the tool power supply selection switch is suitable for controlling the first power supply power interface or the second power supply power interface to be disconnected with the power test probes or to be electrically connected with the power test probes, and the battery groove is electrically connected with the power test probes when the tool power supply selection switch controls the first power supply power interface and the second power supply power interface to be disconnected with the power test probes.

3. The tool of claim 2, wherein the plurality of probes comprise voltage test probes, the short circuit and voltage detection interface module comprises a gear knob switch, a short circuit/voltage detector interface connected with the gear knob switch, the gear knob switch is adapted to select different voltage gears, and the gear knob switch is adapted to control the short circuit/voltage detector interface to electrically connect with the voltage test probes in the selected voltage gears.

4. The tool for testing a PCBA (printed circuit board assembly) of a tumor electric field therapeutic apparatus according to claim 1, wherein a plurality of the probes comprise electric field test probes, the electric field voltage and current detection module comprises an electric field start button and indicator light module, an adapter connected with the electric field start button and indicator light module, an electrode device connection port connected with the adapter, a tool load switch connected with the adapter, a load connected with the tool load switch, and a main board output electric field voltage detection port and a main board output electric field current detection port commonly connected with the load, the electric field start button and indicator light module are suitable for opening an electric field and at least suitable for indicating whether the electric field is opened, and the main board output electric field voltage detection port and the main board output electric field current detection port are all indirectly electrically connected with the electric field test probes.

5. The tool of claim 4, wherein the motherboard output electric field voltage detection port comprises a first pair of voltage detection points and a second pair of voltage detection points, the first pair of voltage detection points being adapted to detect voltages of an electric field in a first direction, the second pair of voltage detection points being adapted to detect voltages of an electric field in a second direction.

6. The tool of claim 1, wherein the plurality of probes comprise transmission test probes, and the program download module comprises a transmission interface electrically connected to the transmission test probes.

7. The tool for testing a PCBA of a host computer of a tumor electric field therapeutic apparatus according to claim 1, wherein a fan is further provided on the base, and the plurality of probes comprises a fan test probe, and the fan is electrically connected with the fan test probe.

8. The tool for testing a PCBA plate of a tumor electric field therapeutic apparatus according to claim 1, wherein the moving assembly comprises a pressing bar assembly and a pressing plate, the pressing bar assembly comprises a pressing bar body, a connecting bar pivotally connected to the pressing bar body, a driving bar pivotally connected to the connecting bar, and a limit sleeve for guiding the driving bar to move up and down, the pressing bar body is pivotally connected to the base, and the pressing plate is fixedly connected to the driving bar.

9. The tool for testing the PCBA of the tumor electric field therapeutic apparatus host machine according to claim 8, wherein the transmission rod comprises a transmission rod body and a transmission block, a strip hole is formed in the transmission block, a mounting hole is formed in the pressing plate, and a fastener penetrates through the mounting hole and the strip hole.

10. The tool according to claim 1, wherein one of the placing plate and the contact pin plate is provided with a guide post, the other one is provided with a guide groove, the guide post is in guide fit with the guide groove, and a compression spring is further arranged between the placing plate and the contact pin plate.

11. A tumor electric field therapeutic instrument host computer PCBA board test system, characterized by comprising: a power supply, a battery, a short circuit and voltage test instrument, an electric field detector, an electrode device, a memory, and the tumor electric field therapeutic instrument host PCBA board test fixture according to any one of claims 1-10, wherein the power supply and the battery are adapted to be connected with the power interface module, the short circuit and voltage test instrument is adapted to be connected with the short circuit and voltage detection interface module, the electric field detector and the electrode device are adapted to be connected with the electric field voltage current detection module, and the memory is adapted to be connected with the program download module.