CN219162305U

CN219162305U - PCBA test fixture and system for adapter main board of tumor electric field therapeutic instrument

Info

Publication number: CN219162305U
Application number: CN202223592171.7U
Authority: CN
Inventors: 郑建芬; 沈琪超
Original assignee: Jiangsu Hailai Xinchuang Medical Technology Co Ltd
Current assignee: Jiangsu Hailai Xinchuang Medical Technology Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-09
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a PCBA test fixture and a PCBA test system for a tumor electric field therapeutic instrument adapter main board. This test fixture includes: a base; the probe comprises a contact pin plate provided with a plurality of probes, wherein a power interface module, a short circuit voltage detection module, a function and indication display module and a program downloading module which are correspondingly and electrically connected with different probes are arranged on a base, and the probes are electrically connected with a PCBA plate; the PCBA placing plate is arranged above the touch needle plate and is provided with an avoidance hole suitable for avoiding the probe; and the moving assembly is used for driving the PCBA placing plate to be close to or far away from the touch needle plate. According to the testing tool for the PCBA of the main board of the tumor electric field therapeutic apparatus, the testing of each function of the PCBA of the main board of the tumor electric field therapeutic apparatus can be completed by using the same testing tool, and the quality of the PCBA of the main board of the tumor electric field therapeutic apparatus can be rapidly and accurately tested.

Description

PCBA test fixture and system for adapter main board of tumor electric field therapeutic instrument

Technical Field

The utility model relates to the technical field of electronic circuit board detection equipment, in particular to a tumor electric field therapeutic instrument adapter main board PCBA test fixture and a tumor electric field therapeutic instrument adapter main board PCBA test 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 mainly comprises an electric field generating device for generating an alternating electric signal for tumor electric field treatment, a switching device electrically connected with the electric field generating device and a plurality of pairs of electrode plates electrically connected with the electric field generating device through the switching device. The electric field generating device may convert direct current into alternating current to be transmitted to the plurality of pairs of electrode sheets to form an alternating electric field between the pairs of electrode sheets.

An electric field switching device in a tumor electric field treatment system is from a host machine to an application end of a tumor electric field treatment instrument, and a special connection converter is needed. The most predominant motherboard (i.e., the adapter PCBA board) portion of the converter is relatively complex. Inspecting an adapter PCBA board is an important step in the production engineering. The traditional PCBA test mostly adopts manual test, and an inspector firstly needs to find out required test instrument equipment, connecting wires and the like to build a test environment, then, for example, test voltage, the inspector needs to hold a meter pen of a universal meter to find out points to be tested on the PCBA board of the adapter, and the conditions of short circuit, burning out the PCBA board of the adapter and the like can be easily caused during the test.

In order to avoid damage in the production process of the PCBA of the adapter main board and to improve the efficiency of production detection, whether the output waveform amplitude and voltage reach the expected values or not is detected. The utility model provides a tumor electric field therapy apparatus adapter mainboard PCBA test fixture detects the verification of the performance and the whole function of each module of adapter mainboard.

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 main board of the tumor electric field therapeutic apparatus, which can rapidly and accurately test the quality of the PCBA of the main board of the tumor electric field therapeutic apparatus.

The PCBA test fixture for the adapter main board of the tumor electric field therapeutic apparatus comprises: the device comprises a base, wherein a power interface module, a short circuit voltage detection module, a function and indication display module, a program downloading module and a load and heat dissipation module are arranged on the base, the power interface module is used for testing the power connection function of a tumor electric field therapeutic instrument adapter main board PCBA, the short circuit voltage detection module is used for testing the circuit communication function of the tumor electric field therapeutic instrument adapter main board PCBA, the function and indication display module is used for testing the output function and the indication display function of the tumor electric field therapeutic instrument adapter main board PCBA, the program downloading module is used for testing the program downloading function of the tumor electric field therapeutic instrument adapter main board PCBA, and the load and heat dissipation module is used for testing the load and heat dissipation function of the tumor electric field therapeutic instrument adapter main board PCBA; the touch needle plate is arranged on the base and is provided with a plurality of probes which are electrically connected with the power interface module, the short circuit voltage detection module, the charging function and indication display module, the program downloading module and the load and heat dissipation module correspondingly, and the probes are electrically connected with the PCBA of the tumor electric field therapeutic instrument adapter main board; the PCBA placing plate is arranged above the touch needle plate and provided with an avoidance hole which is suitable for avoiding the probe, and the avoidance hole penetrates upwards to the upper side of the PCBA plate; and the moving assembly is arranged on the base and drives the PCBA placing plate to be close to or far away from the touch needle plate.

According to some embodiments of the utility model, the probe comprises a power test probe, the power interface module comprises a tool power input port and a tool power switch, the tool power switch is adapted to control the tool power input port to be disconnected from the power test probe or to realize an electrical connection.

According to some embodiments of the utility model, the probe comprises a voltage test probe, the voltage detection module comprises a voltage knob selection switch, a short circuit/voltage detection port, the voltage knob selection switch is suitable for selecting different voltage gears, and the voltage knob selection switch is suitable for controlling the short circuit/voltage detection port to be electrically connected with the voltage test probe in the selected voltage gears.

According to some embodiments of the utility model, the probe comprises an indication test probe, and the function and indication display module comprises a tumor electric field generating main board, an adapter connection interface, an X-axis electric field test port, a Y-axis electric field test port, an electric field state indicator light, and an electric field switch, wherein the tumor electric field generating main board, the adapter connection interface, the X-axis electric field test port, the Y-axis electric field test port, the electric field state indicator light, and the electric field switch are all electrically connected with the indication test probe.

According to some embodiments of the utility model, the probe comprises a load test probe, and the load and heat dissipation module comprises an X-axis load, a Y-axis load, and a fan, all of which are electrically connected with the load test probe.

According to some embodiments of the utility model, the probe comprises a transmission test probe, and the program download module comprises a transmission interface electrically connected to the transmission test probe.

According to some embodiments of the utility model, the moving assembly comprises a pressing rod assembly and a baffle plate, wherein the pressing rod assembly comprises a pressing rod body, a transmission rod connected with the pressing rod body 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 baffle plate is fixedly connected with the transmission rod.

According to some embodiments of the utility model, the transmission rod comprises a transmission rod body and a transmission block, wherein a strip hole is formed in the transmission block, a mounting hole is formed in the baffle, and a fastener penetrates through the mounting hole and the strip hole and is used for fixing the baffle and the transmission block.

According to some embodiments of the utility model, one of the PCBA placing plate and the stylus plate has a guide post, the other has a guide sleeve, the guide post is in guide fit with the guide sleeve, and a compression spring is also arranged between the PCBA placing plate and the stylus plate.

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

According to another aspect of the present utility model, a system for testing PCBA of a tumor electric field therapeutic apparatus adapter main board comprises: a short circuit voltage testing instrument; a DC stabilized power supply; a computer; the device comprises two voltage waveform parameter testers, two groups of XY electrode plates used by the tumor electric field therapeutic instrument and the PCBA test fixture of the adapter main board of the tumor electric field therapeutic instrument, wherein the short-circuit voltage tester is electrically connected with a short-circuit/voltage test port; the direct-current stabilized power supply is electrically connected with the tool power switch; the computer is electrically connected with the transmission port of the downloading device; one of the two voltage waveform parameter testers is electrically connected with the X-axis electric field test port, and the other is electrically connected with the Y-axis electric field test port; the XY electrode plate is electrically connected with the 4-group 1-to-1 connection ports.

According to the tumor electric field therapeutic apparatus adapter main board PCBA testing system provided by the embodiment of the utility model, the tumor electric field therapeutic apparatus adapter main board PCBA testing tool provided by the embodiment is used for testing the performances and the overall functions of each module of the tumor electric field therapeutic apparatus adapter main board PCBA, and particularly, whether the output waveform amplitude of the X-axis electric field testing port is gradually increased or not, whether the output waveform amplitude reaches an expected value or not after a period of time and whether the voltage parameter of the Y-axis electric field testing terminal reaches the expected value or not can be rapidly detected. The testing method is perfected, the production efficiency is improved, and the testing cost of the PCBA of the main board of the adapter of the tumor electric field therapeutic apparatus is reduced.

The PCBA test system of the tumor electric field therapeutic apparatus adapter main board is the same as the PCBA test tool of the tumor electric field therapeutic apparatus adapter main board 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 PCBA testing tool for a tumor electric field therapeutic apparatus adapter motherboard.

Fig. 2 is an exploded schematic view of a PCBA test fixture for a tumor electric field therapeutic apparatus adapter motherboard.

Fig. 3 is a rear view of the tumor electric field therapeutic apparatus adapter motherboard PCBA test fixture.

Fig. 4 is an external schematic block diagram of a tumor electric field therapeutic apparatus adapter motherboard PCBA test fixture.

Fig. 5 is a schematic diagram of the internal wiring of the PCBA test fixture for the tumor electric field therapeutic apparatus adapter motherboard.

Reference numerals:

100. PCBA test fixture for adapter main board of tumor electric field therapeutic instrument; 110. a compression bar assembly; 1101. a compression bar body; 1102. a transmission rod; 1102a, a drive rod body; 1102b, a drive block; 1102c, elongated holes; 1103. a limit sleeve; 1104. a connecting rod; 1105. a base; 111. a baffle; 111a, a baffle body; 111b, upright posts; 111c, mounting holes; 120. PCBA of the adapter main board of the tumor electric field therapeutic instrument; 1201. positioning holes; 121. PCBA places the board; 1211. a guide post; 1212. avoidance holes; 1213. PCBA board positioning groove; 1214. PCBA board locating columns; 122. a touch needle plate; 1221. a guide sleeve; 1222. a probe; 131. a short circuit/voltage detection port; 132. a voltage knob selection switch; 141. an adapter connection wire; 142. an X-axis electric field test port; 143. a Y-axis electric field test port; 151. a tool power supply input port; 152. a tool power switch; 153. an electric field status indicator light; 154. an electric field switch; 161. a downloader transmission port; 162. locking the upper cover and the lower cover of the tool; 163. tool hand-held window; 164. 4 group 1 to 1 connectors; 170. a base; 171. a support; 174. a compression spring; 180. the tumor electric field generates a main plate.

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.

In the description of the present utility model, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

A PCBA test fixture 100 for a tumor electric field therapy apparatus adapter motherboard according to an embodiment of the present utility model is described in detail below with reference to fig. 1-5.

Referring to fig. 1 to 5, a PCBA testing tool 100 for a tumor electric field therapeutic apparatus adapter main board according to an embodiment of the present utility model includes: a box-shaped base 170, a contact pin plate 122 fixed on the base 170, a PCBA placing plate 121 positioned above the contact pin plate 122 and used for placing a tumor electric field therapeutic apparatus adapter main board PCBA, a baffle 111 positioned above the PCBA placing plate 121 and used for pressing corresponding parts of the tumor electric field therapeutic apparatus adapter main board PCBA, and a compression bar assembly 110 fixed with the baffle 111 and pulling the baffle to move vertically.

As shown in fig. 1-3, the base 170 may be a box-shaped structure, and the base 170 includes a lower housing (not numbered) and an upper cover plate (not numbered), the upper cover plate (not numbered) is located above the lower housing (not numbered), an installation space is formed between the upper cover plate (not numbered) and the lower housing (not numbered), and the upper cover plate (not numbered) and the lower housing (not numbered) can be locked by a plurality of tool upper cover lock catches 162 disposed between the outer sides of the upper cover plate (not numbered) and the lower housing (not numbered) so as to shield and protect components in the installation space. After the upper cover lock 162 and the lower cover lock 162 of the tool are unlocked, the upper cover plate (not numbered) can be opened relative to the lower shell (not numbered), so that parts in the installation space can be conveniently operated. The outer peripheral surface of the lower housing (not numbered) is provided with a plurality of tool hand-held windows 163, and when the tool 100 for testing the PCBA of the adapter main board of the tumor electric field therapeutic apparatus needs to be carried, the tool hand-held windows 163 can be lifted to finish carrying operation. The tool hand-held windows 163 are at least two, are respectively arranged on the outer walls of the two opposite sides of the lower shell (not numbered), so that the tool is stable when carrying the PCBA test tool 100 of the main board of the tumor electric field therapeutic apparatus, and the tool 100 of the PCBA test of the main board of the tumor electric field therapeutic apparatus is not easy to turn on one's side.

As shown in fig. 1 to 3, the base 170 is provided with: the tool power supply input port 151 and the tool power switch 152 form a power supply interface module suitable for testing the power supply connection function of the PCBA120 of the tumor electric field therapeutic apparatus adapter. The program downloading module suitable for testing the program downloading function of the PCBA120 of the main board of the tumor electric field therapeutic apparatus adapter is formed by the downloading device transmission port 161 and a computer. The voltage knob selector switch 132 and the short circuit/voltage detection port 131 form a short circuit voltage detection module suitable for testing the circuit communication function of the PCBA120 of the adapter main board of the tumor electric field therapeutic apparatus. The tumor electric field generating main board 180, the adapter connecting line 141, the X-axis electric field testing port 142, the Y-axis electric field testing port 143, the electric field state indicator 153 and the electric field switch 154 form a function and indication display module suitable for testing the basic function and indication display function of the tumor electric field therapeutic instrument adapter main board PCBA120. The X-axis load, the Y-axis load and the fan form a load and heat dissipation module suitable for testing the load capacity and heat dissipation performance of the PCBA120 of the adapter main board of the tumor electric field therapeutic instrument.

As shown in fig. 1-5, the power interface module includes a tool power input port 151 and a tool power switch 152, where the tool power switch 152 is adapted to control the tool power input port 151 to be disconnected from or electrically connected to a power test probe disposed on the touch pad 122. The short-circuit voltage detection module includes a voltage knob selection switch 132 and a short-circuit/voltage detection port 131, the voltage knob selection switch 132 is suitable for selecting different voltage steps, and the voltage knob selection switch 132 is suitable for controlling the short-circuit/voltage detection port 131 to be electrically connected with a voltage test probe disposed on the stylus board 122 in the selected voltage step. The function and indication display module comprises a tumor electric field generating main board 180, an adapter connecting line 141, an X-axis electric field test port 142, a Y-axis electric field test port 143, an electric field state indicator 153 and an electric field switch 154; the tumor electric field generating main board 180, the X-axis electric field testing port 142, and the Y-axis electric field testing port 143 are electrically connected to the indication testing probes provided on the stylus board 122, and the adapter connecting line 141 is used for connecting the tumor electric field generating main board 180 and a stylus board adapter (not shown). The program downloading module comprises a downloading device transmission port 161 and external computer equipment, the downloading device transmission port 161 is electrically connected with a transmission test probe arranged on the touch needle plate 122, and the downloading device transmission port 161 is a USB interface. The load and heat dissipation module includes an X-axis load, a Y-axis load, and a fan electrically connected to the load test probes disposed on the touch pad 122.

As shown in fig. 1-3, the stylus plate 122 is provided on the base 170, and specifically, the stylus plate 122 may be fixed to an upper cover plate (not numbered) of the base 170 by fasteners such as bolts, rivets, or the like. The contact pin plate 122 is provided with a plurality of probes 1222, and the power interface module, the short-circuit voltage detection module, the function and indication display module, the program downloading module, the load and heat dissipation module which are arranged on the base 170 are correspondingly and electrically connected with the different probes 1222, the probes 1222 extend upwards, and the probes 1222 are suitable for being electrically connected with the tumor electric field therapeutic apparatus adapter main board PCBA120. The different modules and the probe 1222 may be electrically connected through wires (not shown) disposed in the mounting space of the base 170, and the probe 1222 may be directly contacted with a corresponding monitoring point on the PCBA120 of the tumor electric field therapeutic apparatus adapter to realize electrical connection.

The PCBA placing plate 121 is mounted above the contact pin plate 122, one of the PCBA placing plate 121 and the contact pin plate 122 has a guide post 1211, the other has a guide sleeve 1221, the guide post is in guide fit with the guide sleeve, and a compression spring 174 is further provided between the PCBA placing plate 121 and the contact pin plate 122. The PCBA placing plate 121 has guide posts 1211, the contact pin plate 122 has guide sleeves 1221, the lower ends of the compression springs 174 are fixed to the contact pin plate 122, and the upper ends of the compression springs 174 face the PCBA placing plate 121. The number of the guide posts 1211 may be plural, for example, four, and the guide sleeves 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 compression springs 174 may be plural, for example, four, and the plurality of compression springs 174 may be disposed in a dispersed manner, which is advantageous in improving the cushioning smoothness of the compression springs 174 when the stylus plate 122 is supported.

Be equipped with on the PCBA board 121 and be suitable for dodging the hole 1212 of dodging of probe 1222, dodge the hole 1212 for following the through-hole that the board 121 thickness direction link up is placed to the PCBA, the up end that the board 121 was placed to the PCBA is PCBA board installation face, tumour electric field therapy appearance adapter mainboard PCBA120 is suitable for placing at PCBA board installation face, dodge the hole 1212 upwards link up to PCBA board installation face, like this, probe 1222 can pass dodge hole 1212 back with tumour electric field therapy appearance adapter mainboard PCBA120 contact in order to realize electric connection, promptly probe 1222 upper end and tumour electric field therapy appearance adapter mainboard PCBA120 on corresponding monitoring point electric connection. The PCBA board mounting surface is provided with a PCBA board positioning groove 1213 and a plurality of PCBA board positioning columns 1214, the shape of the tumor electric field therapy apparatus adapter main board PCBA120 is matched with the shape of the PCBA board positioning groove 1213, a plurality of positioning holes 1201 are formed in the tumor electric field therapy apparatus adapter main board PCBA120, the positioning holes 1201 are in one-to-one correspondence with the number and the positions of the PCBA board positioning columns 1214, when the tumor electric field therapy apparatus adapter main board PCBA120 is placed on the PCBA board mounting surface, the positioning holes 1201 in the tumor electric field therapy apparatus main board PCBA120 are aligned with the corresponding PCBA board positioning columns 1214, and then the tumor electric field therapy apparatus adapter main board PCBA120 is pressed downwards, so that the tumor electric field therapy apparatus adapter main board PCBA120 enters the PCBA board positioning groove 1213, and the PCBA board positioning columns 1214 can perform double limiting on the tumor electric field therapy apparatus adapter main board PCBA120, and accordingly the placement firmness of the tumor electric field therapy apparatus adapter PCBA120 on the PCBA placement board 121 can be improved, and the tumor electric field therapy apparatus adapter main board PCBA120 is prevented from slipping off from the PCBA board 121. Alternatively, the number of the positioning holes 1201 and the PCBA board positioning columns 1214 may be four, and the four positioning holes 1201 and the PCBA board positioning columns 1214 are distributed at four corners of the rectangle in a dispersed manner, thereby being beneficial to improving positioning firmness.

The moving assembly is mounted on the base 170 and is adapted to drive the PCBA placing plate 121 toward or away from the contact pin plate 122. When the moving assembly drives the PCBA placing plate 121 to approach the touch needle plate 122 to a lower pressing position, the probe 1222 can pass through the avoidance hole 1212 on the PCBA placing plate 121 and contact with a corresponding monitoring point on the PCBA120 of the tumor electric field therapeutic apparatus adapter main board above the PCBA placing plate 121; when the moving assembly drives the PCBA placing plate 121 away from the contact plate 122 to the upper separation position, the probe 1222 is separated from the tumor electric field therapy instrument adapter motherboard PCBA120.

As shown in fig. 2, the moving assembly includes a plunger assembly 110 and a baffle 111, the plunger assembly 110 includes a base 1105, a plunger body 1101, a connecting rod 1104, a driving rod 1102 and a stopper sleeve 1103, the plunger body 1101 is pivotally connected with a base 170, specifically, the base 170 includes a support 171, the base 1105 is fixed on the support 171, an upper portion of a distal end of the plunger body 1101 is pivotally connected with the base 1105, and a lower portion of a distal end of the plunger body 1101 is pivotally connected with an upper end of the connecting rod 1104. The transmission rod 1102 and the compression bar body 1101 are indirectly connected through the connection rod 1104, specifically, the upper end of the connection rod 1104 is pivotally connected with the lower portion of the tail end of the compression bar body 1101, the lower end of the connection rod 1104 is pivotally connected with the upper end of the transmission rod 1102, and the limit sleeve 1103 is fixed on the base 1105 and used for guiding the transmission rod 1102 to move up and down, and the baffle 111 is fixedly connected with the lower end of the transmission 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. The lower extreme of transfer line 1102 is fixed with baffle 111 and pulls baffle 111 vertical movement, and baffle 111 is located PCBA and places board 121 top and be used for supporting the corresponding position of pressing tumour electric field therapy apparatus adapter mainboard PCBA120, prevents tumour electric field therapy apparatus adapter mainboard PCBA120 by probe 1222 jack-up and influence the test accuracy, and baffle 111 can be transparent acrylic material to the condition of convenient tester observation baffle 111 below.

The driving rod 1102 comprises a driving rod body 1102a and a driving block 1102b, the lower end of the connecting rod 1104 is pivotally connected with the upper end of the driving rod body 1102a, the driving block 1102b is fixedly arranged at the lower end of the driving rod body 1102a, a strip hole 1102c is formed in the driving block 1102b, a mounting hole 111c is formed in the baffle 111, and fasteners such as bolts penetrate through the mounting hole 111c and the strip hole 1102c to fix the baffle 111 and the driving block 1102b, so that the baffle 111 and the driving rod 1102 are fixedly connected. The number of the strip holes 1102c is multiple, 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 of the baffle 111 and the transmission rod 1102 is improved. As shown in fig. 2, 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 positions of the baffle 111 and the transmission block 1102b can be conveniently fine-tuned, and the baffle 111 can avoid electrical elements on the tumor electric field therapy apparatus adapter main board PCBA120 when pressing the tumor electric field therapy apparatus adapter main board PCBA120.

The baffle 111 comprises a baffle body 111a and a column 111b, wherein the mounting hole 111c is formed in the baffle body 111a, the column 111b is fixed on the lower surface of the baffle body 111a and extends downwards, and when swelling is needed

When the tumor electric field therapeutic apparatus adapter main board PCBA120 is tested, the pressing rod body 1101 is pressed down to enable ₅ The driving rod 1102 moves downwards along the limit sleeve 1103, and the driving rod 1102 drives the baffle body 111a to synchronize

The upright post 111b downwardly presses the corresponding part of the PCBA120, in particular, the part of the PCBA120 not mounted with electrical components, to prevent the electrical components from being damaged, so that the PCBA120 moves along with the PCBA placing plate 121 in a direction approaching the contact plate 122, and when the moving assembly drives the PCBA placing plate 121 to lean against ₀ When the proximal contact pin plate 122 is in the down-hold position, the probes 1222 can pass through the avoidance holes 1212 on the PCBA placement plate 121 and make electrical contact with the tumor electric field therapy apparatus adapter motherboard PCBA120 above the PCBA placement plate 121. Compression springs 174 between the contact plate 122 and the PCBA placing plate 121 can buffer the PCBA placing plate 121 when the PCBA placing plate 121 moves downward, avoid the contact plate 122 from being damaged by the PCBA placing plate 121, and also prevent the probes 1222 from penetrating through the tumor electric field therapeutic apparatus adapter motherboard PCBA120. ₅ After the test of the tumor electric field therapeutic apparatus adapter main board PCBA120 is finished, the driving rod 1102 moves upwards along the limit sleeve 1103 by pushing the rod body 1101 upwards, the driving rod 1102 drives the baffle body 111a to synchronously move upwards, the upright column 111b moves in the direction away from the tumor electric field therapeutic apparatus adapter main board PCBA120, under the action of the reset force of the compression spring 174, the compression spring 174 pushes the PCBA placing plate 121 and the tumor electric field therapeutic apparatus adapter main board PCBA120 to synchronously move upwards to be away from the touch needle plate 122, ₀ when the PCBA placing plate 121 is far from the touch needle plate 122 to the upper separation position, the probe 1222 and the tumor electric field therapeutic apparatus rotateThe connector motherboard PCBA120 is separated.

According to the test fixture 100 for the PCBA of the tumor electric field therapeutic apparatus adapter main board provided by the embodiment of the utility model, the power interface module, the program downloading module, the short-circuit voltage detection module, the function and indication display module and the load and heat dissipation module are arranged on the base 170, so that the test on the power connection function, the circuit communication function, the output function, the indication display function and the program downloading function of the PCBA120 of the tumor electric field therapeutic apparatus adapter main board can be completed by using the same test fixture, and the quality of the PCBA120 of the tumor electric field therapeutic apparatus adapter main board can be rapidly and accurately tested.

Referring to fig. 4, a PCBA testing system for a tumor electric field therapeutic apparatus adapter motherboard according to another embodiment of the present utility model includes a short-circuit voltage testing apparatus, a dc stabilized power supply, a computer, a first voltage waveform parameter testing apparatus 1, a second voltage waveform parameter testing apparatus 2, and 2 groups of XY electrode pads used by the tumor electric field therapeutic apparatus. The short circuit and voltage testing instrument is electrically connected with the contact pin plate 122 through the short circuit and voltage testing port 131; the direct-current stabilized power supply is electrically connected with the contact pin plate 122 through the tool power switch 152; the computer is electrically connected with the contact pin plate 122 through the download unit transmission port 161; the first voltage waveform parameter tester 1 is electrically connected with the contact pin plate 122 through the X-axis electric field test port 142; the second voltage waveform parameter tester 2 is electrically connected with the contact pin plate 122 through the Y-axis electric field test port 143; the XY electrode pads are electrically connected to the stylus plate 122 through 4 sets of 1-to-1 connection ports 164.

Referring to fig. 1-5, during detection, the PCBA120 of the adaptor main board of the tumor electric field therapeutic apparatus is placed on the PCBA placing board 121, and the pressing rod assembly 110 is pressed down to compact the PCBA120 of the adaptor main board of the tumor electric field therapeutic apparatus by the upright column on the baffle 111, so that the PCBA can be electrically connected with the contact pins on the contact pin board 122 through the avoiding holes 1212 of the PCBA placing board 121, and the tool power switch 152 is not turned on at this time.

Short circuit voltage detection: the short circuit voltage detection instrument is connected to the short circuit/voltage test port 131, and the short circuit detection mode is selected, and the rotary voltage knob selection switch 132 sequentially selects VCC3.3V, VCC3.3M, NTC3.3V and vdd_5v to detect whether the short circuit phenomenon exists in the PCBA120 of the adapter main board of the tumor electric field therapeutic instrument. After the short circuit test is passed, the tool power switch 152 is in a power supply mode, the measuring range of the short circuit voltage detection instrument is switched to a voltage detection mode, the rotating voltage knob selection switch 132 detects whether the voltage values of VCC3.3V, VCC3.3M, NTC3.3V and VDD_5V of the PCBA120 of the main board of the tumor electric field therapeutic instrument meet the standard, and the tool power switch 152 is disconnected at the moment.

Burning firmware codes: after the short circuit and the voltage detection are completed and the detection meets the standard, a computer is used for burning the firmware code and testing whether the program downloading module is good or not for the PCBA120 of the adapter main board of the tumor electric field therapeutic apparatus through the downloading device transmission port 161.

Application end function verification: through the above steps, the function verification from the fact that the tumor electric field is not started to the application end by the PCBA120 of the adapter main board of the tumor electric field therapeutic apparatus is completed. Two groups of XY electrode plates used by the prepared tumor electric field therapeutic apparatus are respectively inserted into 4 groups of 1-to-1 connection ports 164, a first voltage waveform parameter tester 1 is connected to an X-axis electric field test port 142, a second voltage waveform parameter tester 2 is connected to a Y-axis electric field test port 143, a direct current stabilized power supply is connected to a tool power supply input port 151, a tool power supply switch 152 is turned on, an electric field switch 154 connected with a tumor electric field generating main board 180 is pressed for 3 seconds, after an electric field switch 154 indicator lamp is normally on, whether the waveform amplitude output by the X-axis electric field test port 142 is gradually increased or not is observed, whether an expected value is reached after a period of time, and whether the voltage parameter of the Y-axis electric field test port 143 reaches the expected value is synchronously observed.

According to the tumor electric field therapeutic apparatus adapter main board PCBA testing system provided by the embodiment of the utility model, the tumor electric field therapeutic apparatus adapter main board PCBA testing tool 100 is used for testing the performances and the overall functions of each module of the tumor electric field therapeutic apparatus adapter main board PCBA120, and particularly, whether the amplitude of the output waveform of the X-axis electric field testing port 142 is gradually increased or not and whether the amplitude reaches an expected value or not after a period of time can be rapidly detected, and whether the voltage parameter of the Y-axis electric field testing port 143 reaches the expected value or not. The testing method is perfected, the production efficiency is improved, and the testing cost of the PCBA of the main board of the adapter of the tumor electric field therapeutic apparatus is reduced.

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. Tumor electric field therapy appearance adapter mainboard PCBA test fixture, its characterized in that includes:

the device comprises a base, wherein a power interface module, a short circuit voltage detection module, a function and indication display module, a program downloading module and a load and heat dissipation module are arranged on the base, the power interface module is used for testing the power connection function of a tumor electric field therapeutic instrument adapter main board PCBA, the short circuit voltage detection module is used for testing the circuit communication function of the tumor electric field therapeutic instrument adapter main board PCBA, the function and indication display module is used for testing the output function and the indication display function of the tumor electric field therapeutic instrument adapter main board PCBA, the program downloading module is used for testing the program downloading function of the tumor electric field therapeutic instrument adapter main board PCBA, and the load and heat dissipation module is used for testing the load and heat dissipation function of the tumor electric field therapeutic instrument adapter main board PCBA;

the touch needle plate is arranged on the base and is provided with a plurality of probes which are electrically connected with the power interface module, the short circuit voltage detection module, the function and indication display module, the program downloading module and the load and heat dissipation module correspondingly, and the probes are electrically connected with the PCBA of the tumor electric field therapeutic instrument adapter main board;

the PCBA placing plate is arranged above the touch needle plate and is provided with an avoidance hole for avoiding the probe, and the avoidance hole penetrates upwards to the upper side of the PCBA plate; and

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

2. The tool of claim 1, wherein the probe comprises a power test probe, the power interface module comprises a tool power input port and a tool power switch, and the tool power switch is adapted to control the tool power input port to be disconnected from the power test probe or to be electrically connected.

3. The tool of claim 1, wherein the probe comprises a voltage test probe, the voltage detection module comprises a voltage knob selection switch and a short circuit/voltage detection port, the voltage knob selection switch is suitable for selecting different voltage gears, and the voltage knob selection switch is suitable for controlling the short circuit/voltage detection port to be electrically connected with the voltage test probe in the selected voltage gears.

4. The tool of claim 1, wherein the probe comprises an indication test probe, and the function and indication display module comprises a tumor electric field generating main board, an adapter connection interface, an X-axis electric field test port, a Y-axis electric field test port, an electric field state indicator, and an electric field switch, wherein the tumor electric field generating main board, the adapter connection interface, the X-axis electric field test port, the Y-axis electric field test port, the electric field state indicator, and the electric field switch are electrically connected with the indication test probe.

5. The tool of claim 1, wherein the probe comprises a load test probe, the load and heat dissipation module comprises an X-axis load, a Y-axis load, and a fan, and the X-axis load, the Y-axis load, and the fan are electrically connected with the load test probe.

6. The tool of claim 1, wherein the probe comprises a transmission test probe, the program download module comprises a transmission interface, and the transmission interface is electrically connected with the transmission test probe.

7. The tool for testing the PCBA of the adapter main board of the tumor electric field therapeutic apparatus according to claim 1, wherein the moving assembly comprises a pressing rod assembly and a baffle plate, the pressing rod assembly comprises a pressing rod body, a transmission rod connected with the pressing rod body 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 baffle plate is fixedly connected with the transmission rod.

8. The tool for testing the PCBA of the adapter main board of the tumor electric field therapeutic apparatus according to claim 7, 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 baffle, and a fastener penetrates through the mounting hole and the strip hole and is used for fixing the baffle and the transmission block.

9. The tool according to claim 1, wherein one of the PCBA placing plate and the stylus plate has a guide post, the other has a guide sleeve, the guide post is in guide fit with the guide sleeve, and a compression spring is further provided between the PCBA placing plate and the stylus plate.

10. A tumour electric field therapy apparatus adapter mainboard PCBA test system, its characterized in that includes: a short circuit voltage testing instrument; a DC stabilized power supply; a computer; two voltage waveform parameter testers, two groups of XY electrode plates used by a tumor electric field therapeutic instrument, and a tumor electric field therapeutic instrument adapter main board PCBA test fixture as set forth in any one of claims 1-9, wherein the short circuit voltage tester is electrically connected with the short circuit/voltage test port; the direct-current stabilized power supply is electrically connected with the tool power switch; the computer is electrically connected with the transmission port of the downloading device; one of the two voltage waveform parameter testers is electrically connected with the X-axis electric field test port, and the other is electrically connected with the Y-axis electric field test port; the XY electrode plate is electrically connected with the 4-group 1-to-1 connection ports.