CN220989421U - Electric field therapeutic apparatus and electric field generating device thereof - Google Patents

Abstract

The utility model provides an electric field therapeutic apparatus and an electric field generating device thereof. The shell is provided with a rear wall positioned at the rear side of the battery compartment, and the contact pin plate assembly is positioned between the battery compartment and the rear wall and is electrically connected with the main control board and the battery block. The contact pin plate assembly comprises a contact pin plate, a plurality of contact pins and a sealing gasket, wherein the contact pin plate is parallel to the rear wall, the contact pins protrude forward from the contact pin plate towards the battery block, and the sealing gasket is arranged on the rear side of the contact pin plate and clamped between the contact pin plate and the rear wall. The electric field therapeutic apparatus and the electric field generating device thereof are provided with the contact pin plate assembly positioned at the bottom of the battery compartment, and the sealing gasket is clamped between the contact pin plate of the contact pin plate assembly and the rear wall of the shell, so that water which accidentally enters the battery compartment can be prevented from contacting components on the contact pin plate, and the service life of the contact pin plate assembly is prolonged.

Description

Electric field therapeutic apparatus and electric field generating device thereof

Technical Field

The utility model relates to an electric field therapeutic apparatus and an electric field generating device thereof.

Background

At present, the treatment modes of tumors mainly comprise operation, radiotherapy, chemotherapy and the like, but have corresponding defects, such as side effects caused by radiotherapy and chemotherapy, and normal cells can be killed. The use of electric fields to treat tumors is also one of the leading edges of current research and development, and tumor electric field treatment is a tumor treatment method which is generated by a special electric field generator and interferes with the mitotic progress of tumor cells through low-intensity, medium-high-frequency and alternating electric fields. 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 method can influence the aggregation of tubulin, prevent spindle body formation, inhibit mitosis process, induce cancer cell apoptosis, and meanwhile, the electric field strength and the service time become key factors in the treatment process.

The common electric field therapeutic apparatus for treating tumor comprises an electric field generating device and electrode patches arranged in pairs, wherein the electrode patches are attached to the body surface of a tissue region where a focus of a patient is located, the electric field generating device generates alternating current signals and transmits the alternating current signals to the electrode patches so as to alternately generate alternating electric fields between each pair of electrode patches, and the tissue region where the focus of the patient is located is treated. The common electric field generating device comprises a shell, a main control board, a battery and a contact pin board assembly, wherein an accommodating space in the shell is divided into a main control board bin and a battery bin through a partition board, the main control board and the battery are respectively accommodated, the contact pin board assembly is arranged at the bottom of the battery bin and is electrically connected with the battery and the main control board, water is easy to enter the battery bin when the battery is replaced, and components of the contact pin board assembly are caused to touch water to influence the service life.

Therefore, improvements are needed to the existing electric field therapeutic apparatus and electric field generating device thereof.

Disclosure of utility model

The utility model provides an electric field generating device which has a good waterproof function.

Specifically, the utility model is realized by the following technical scheme: an electric field generating device is used for an electric field therapeutic apparatus and comprises a shell, a main control board, a battery block and a contact pin board assembly, wherein the shell is provided with an accommodating cavity, the accommodating cavity comprises a main control board bin for accommodating the main control board and a battery bin for accommodating the battery block, the shell is provided with a rear wall positioned at the rear side of the battery bin, the contact pin board assembly is positioned between the battery bin and the rear wall and is electrically connected with the main control board and the battery block, the contact pin board assembly comprises a contact pin board, a plurality of contact pins and a sealing gasket, the contact pin board is parallel to the rear wall, the contact pins extend forwards from the contact pin board towards the battery block, and the sealing gasket is arranged at the rear side of the contact pin board and is clamped between the contact pin board and the rear wall.

According to one embodiment of the utility model, the rear wall is provided with a plurality of ribs extending forwards, the sealing gasket is pressed against the plurality of ribs, and a plurality of sealing bins are formed among the sealing gasket, the ribs and the rear wall.

According to one embodiment of the utility model, the stylus plate assembly further comprises a stylus housing for holding the stylus, and a stylus housing seal is provided between the stylus housing and the stylus plate.

According to one embodiment of the utility model, the contact pin plate is electrically connected with the main control plate through contact pin plate wires, the shell is provided with a partition board for separating the main control plate and the battery compartment, and the partition board is provided with a wiring groove for the contact pin plate wires to pass through.

According to one embodiment of the utility model the electric field generating device comprises a sealing plug sealing the cabling channel, said sealing plug being in close contact with the stylus plate wires.

According to one embodiment of the utility model, the housing comprises a main body, a rear cover positioned at the rear end of the main body and a front cover positioned at the front end of the main body, wherein the rear cover is provided with the rear wall and a circle of side walls extending forwards from the peripheral edge of the rear wall, the rear cover is internally provided with third separation ribs extending upwards and downwards, and the third separation ribs form the wiring groove.

According to one embodiment of the utility model, the housing comprises a main body, a rear cover positioned at the rear end of the main body and a front cover positioned at the front end of the main body, wherein the main body is in a cylinder shape with front and rear openings and is provided with a front opening and a rear opening which are oppositely arranged, the battery block comprises a battery part and a control part positioned at the front end of the battery part, the front cover and the control part are arranged side by side and seal the front opening of the main body, and the rear cover seals the rear opening of the main body.

According to one embodiment of the utility model, a step surface is formed between the control part and the battery part, a battery sealing gasket is arranged on the step surface, and the battery sealing gasket is pressed against the front end surface of the main body, which is positioned around the battery compartment.

According to one embodiment of the utility model, the control part is attached to the front cover, the front cover is provided with a clamping groove, and the control part is provided with an elastic clamping block which is matched with the clamping groove.

The utility model also provides the following technical scheme: the electric field therapeutic apparatus comprises the electric field generating device, the electrode patch and the adapter, wherein the electrode patch is electrically connected with the electric field generating device through the adapter.

The electric field therapeutic apparatus and the electric field generating device thereof are provided with the contact pin plate assembly positioned at the bottom of the battery compartment, and the sealing gasket is clamped between the contact pin plate of the contact pin plate assembly and the rear wall of the shell, so that water which accidentally enters the battery compartment can be prevented from contacting components on the contact pin plate, and the service life of the contact pin plate assembly is prolonged.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

Drawings

Fig. 1 is a schematic block diagram of an electric field therapeutic apparatus according to an embodiment of the present utility model.

Fig. 2 is a perspective combined view of an electric field generating device of an electric field therapeutic apparatus according to an embodiment of the present utility model.

Fig. 3 is another perspective combined view of the electric field generating apparatus shown in fig. 2.

Fig. 4 is similar to fig. 2, with portions of the body and the battery block removed for convenient viewing of the interior of the electric field generating apparatus.

Fig. 5 is a perspective view of the battery block shown in fig. 2.

Fig. 6 is a perspective view of an upper cover of the main body of the electric field generating apparatus shown in fig. 3.

Fig. 7 is a perspective view of a lower cover of the main body of the electric field generating apparatus shown in fig. 2.

Fig. 8 is a plan view of a rear cover of the electric field generating apparatus shown in fig. 3.

Fig. 9 is a cross-sectional view taken along the direction A-A in fig. 8.

Fig. 10 is a sectional view taken along the direction B-B in fig. 8.

Fig. 11 is a partial enlarged view at a in fig. 10.

Fig. 12 is a perspective view of a front cover of the electric field generating apparatus shown in fig. 2.

Fig. 13 is a plan view of the front cover shown in fig. 12, showing the bottom surface thereof.

Reference numerals illustrate:

Electric field therapeutic apparatus 1000, electrode patch 200, adapter 300, electric field generating device 100, main body 1, upper cover 11, top wall 111, side edge 112, first partition rib 113, lower cover 12, bottom wall 121, side wing 122, second partition rib 123, housing chamber 10, main control board compartment 101, battery compartment 102, battery supporting surface 13, rear cover 2, rear case 21, third partition rib 210, wiring groove 2101, rear wall 211, side wall 212, switch hole 213, power hole 214, air outlet hole 215, drain hole 216, protruding rib 217, protruding rib 218, rib position 219, switch sleeve 22, hole plug 23, water baffle 24, water baffle compartment 240, hollowed-out area 241, outer ring 242, water baffle 243 ventilation slots 244, inclined surfaces 245, contact pin plate assembly 25, contact pin plate 251, contact pins 252, contact pin sleeves 253, gaskets 254, seal cartridges 255, contact pin plate leads 256, contact pin sleeve sealing sheets 257, sealing plugs 26, front cover 3, front housing 31, front wall 311, side walls 312, air inlet holes 313, socket holes 314, clamping slots 315, ribs 316, mounting slots 317, sockets 32, second sealing rings 321, dust wool 33, first sealing rings 34, main control board 4, power switch 41, power socket 42, battery blocks 5, battery sections 51, control sections 52, step surfaces 53, battery gaskets 54, clamping blocks 55, handling areas 103, positioning cavities 104, housing 6.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present utility model. Rather, they are merely examples of apparatus, systems, devices, and methods that are consistent with aspects of the utility model.

Referring to fig. 1, an electric field therapeutic apparatus 1000 according to an embodiment of the present utility model includes an electric field generating device 100, electrode patches 200 arranged in pairs, and an adapter 300 electrically connected to the electric field generating device 100 and the electrode patches 200 arranged in pairs, the electrode patches 200 being applied to corresponding epidermis of a tumor site of a patient, alternating electric signals generated by the electric field generating device 100 being transmitted to the electrode patches 200 in pairs through the adapter 300 to form an alternating electric field acting on the tumor site of the patient between the electrode patches 200 in pairs, and performing electric field therapy. The present utility model is primarily directed to improvements in the electric field generating apparatus 100.

Referring to fig. 2 to 4, the electric field generating device 100 includes a housing 6, a main control board 4 and a battery block 5 disposed in the housing 6, and a plurality of electronic components (not shown) are disposed on the main control board 4, so that a direct current signal provided by the battery block 5 can be converted into an alternating current signal for treating tumor electric field, and the battery block 5 can be detachably mounted and repeatedly charged. The electric field generating apparatus 100 is powered by the battery block 5, is portable and can mitigate the effects on the patient's living activities during tumor electric field therapy.

Referring to fig. 4 to 7, the housing 6 includes a main body 1, a rear cover 2 at the rear end of the main body 1, and a front cover 3 at the front end of the main body 1. The main body 1 is in a cylindrical shape with openings at the front and rear ends, and is provided with a front opening (not numbered) and a rear opening (not numbered) which are oppositely arranged, and the main body 1, the rear cover 2 and the front cover 3 jointly form a containing cavity 10 so as to contain the main control board 4 and the battery block 5. The main body 1 comprises an upper cover 11 and a lower cover 12, wherein the upper cover 11 is provided with a top wall 111 and two side edges 112 positioned at the left side and the right side of the top wall 111, the lower cover 12 is provided with a bottom wall 121 and two side wings 122 positioned at the left side and the right side of the bottom wall 121, the upper cover 11 and the lower cover 12 are covered up and down to form the main body 1, the side edges 112 of the upper cover 11 are clamped with the side wings 122 of the lower cover 12 up and down, and the clamping parts of the side edges 112 and the side wings 122 adopt a concave-convex matched structure, namely, the convex ribs and the grooves are matched to play a role in positioning and waterproof. The battery block 5 is inserted into the main body 1 from front to back, the front cover 3 is fixed at the front end of the main body 1, the front cover 3 and the battery block 5 are arranged side by side left and right and jointly seal the front side opening (not numbered) of the main body 1, and the rear cover 2 is fixed at the rear end of the main body 1 and seals the rear side opening (not numbered) of the main body 1, so that the closed accommodating cavity 10 is formed.

The top wall 111 of the upper cover 11 is provided with a first partition rib 113 extending downward in the front-rear direction, and the bottom wall 121 of the lower cover 12 is provided with a second partition rib 123 extending upward in the front-rear direction, and the first partition rib 113 and the second partition rib 123 are arranged in a vertically aligned manner. When the upper cover 11 and the lower cover 12 are covered up and down to form the main body 1, the first separation rib 113 and the second separation rib 123 are spliced up and down. The rear cover 2 is internally provided with a third separation rib 210 extending forwards along the up-down direction, the third separation rib 210 is propped against the rear ends of the first separation rib 113 and the second separation rib 123, so that the first separation rib 113, the second separation rib 123 and the third separation rib 210 are spliced together to form a vertical partition board (not numbered), the partition board (not numbered) separates the accommodating cavity 10 into a main control board bin 101 and a battery bin 102 which are arranged left and right, the main control board 4 is positioned in the main control board bin 101, and the battery block 5 is positioned in the battery bin 102.

With continued reference to fig. 3 and 4, the rear cover 2 includes a rear shell 21, a switch sleeve 22, a hole plug 23, a water baffle 24, a contact pin plate assembly 25 and a sealing plug 26, wherein the switch sleeve 22, the hole plug 23 and the sealing plug 26 are used for sealing through holes or grooves on the rear shell 21 to avoid water inflow, the water baffle 24 is arranged corresponding to an air outlet structure of the rear shell 21 to play a role in water blocking, and the contact pin plate assembly 25 is used for electrically connecting the main control board 4 in the main control board bin 101 and the battery block 5 in the battery bin 102, which will be specifically described below.

The rear case 21 includes a rear wall 211 and a ring of side walls 212 extending forward from the peripheral edge of the rear wall 211, the rear wall 211 being fixed to the rear side of the main body 1 by fasteners (not shown), the main body 1 abutting the side walls 212 back and forth. The rear case 21 is partitioned into left and right sides by the third partition rib 210, one side is located at the rear end of the main control board bin 101, and the other side is located at the rear end of the battery bin 102. The back wall 211 is provided with a control area 103 corresponding to the inner side surface of the main control board bin 101, the main control board 4 is provided with a power switch 41, the back wall 211 is provided with a switch hole 213 corresponding to the power switch 41 in the control area 103, the switch sleeve 22 is arranged on the inner side of the back wall 211, the switch sleeve 22 seals the switch hole 213 and protrudes into the switch hole 213 to be exposed outwards, the switch sleeve 22 covers the power switch 41, and the power switch 41 can be driven by pressing the switch sleeve 22. The switch sleeve 22 seals the switch hole 213, and prevents water from flowing into the main control board bin 101 at the switch hole 213. The inner side surface of the rear wall 211 is provided with a circle of rib positions 219 extending forwards around the switch hole 213, and the rib positions 219 are surrounded by a fixing groove (not numbered) for fixing the switch sleeve 22, so that the switch sleeve 22 can be reliably fixed.

The control area 103 is provided with a power hole 214, the main control board 4 is provided with a power socket 42 connected with a power adapter (not shown), and the power socket 42 is arranged in the power hole 214 and exposes a plug hole (not shown) thereof. The power hole 214 is plugged into the hole plug 23 for sealing when not in use, so that water can be prevented from flowing into the main control board bin 101 from the power hole 214.

The rear wall 211 is provided with a plurality of air outlet holes 215 communicated with the accommodating cavity 10 at positions corresponding to the main control board bin 101 for ventilating and radiating the main control board bin 101. Optionally, a fan (not shown) may be disposed in the rear cover 2 corresponding to the air outlet holes 215, so as to blow the internal hot air flow to the air outlet holes 215, thereby improving the heat dissipation efficiency. Referring to fig. 3, a water baffle 24 is disposed in the rear shell 21 corresponding to the air outlet 215, and the water baffle 24 is disposed inside the air outlet 215 to prevent water possibly rushing into the rear cover 2 from the air outlet 215 from further entering the main control board bin 101 to contact with the main control board 4. In order not to affect the normal air outlet of the air outlet 215, the water baffle 24 is hollow and spaced from the rear wall 211. The rear wall 211 is further provided with a water drain hole 216, and the water drain hole 216 is positioned at the lower side of the plurality of air outlet holes 215 and can drain accidental water entering between the water baffle 24 and the rear wall 211, which is blocked by the water baffle 24.

Referring to fig. 8 to 10, the water baffle 24 is provided with a hollow area 241 and an outer ring 242 surrounding the hollow area 241, the hollow area 241 is provided with a plurality of water baffle strips 243 horizontally arranged at intervals, the air outlet holes 215 are arranged in a plurality of rows, and the water baffle strips 243 are basically aligned with the air outlet holes 215 to play a role in blocking water flow. When a small amount of accidental water enters the inner side of the rear wall 211 through the air outlet 215 during the use of the electric field generating device 100, the outer ring 242 and the water bar 243 of the water baffle 24 are blocked between the water baffle 24 and the rear wall 211, and then can flow out through the water outlet 216 at the bottom of the rear wall 211.

The hollowed-out area 241 is further provided with a ventilation groove 244 formed between two adjacent water retaining strips 243, the heat dissipation air flow in the main control board bin 101 flows out of the electric field generating device 100 through the ventilation groove 244 and the air outlet holes 215, the ventilation groove 244 and the air outlet holes 215 are staggered, and external water flow is prevented from directly entering the main control board bin 101 through the air outlet holes 215 and the ventilation groove 244. The water baffle 243 is further provided with an inclined surface 245 which is inclined towards the drain hole 216, the inclined surface 245 guides water which is accidentally entered to drain towards the drain hole 216 on one hand, and guides heat dissipation air flow in the main control board bin 101 to flow backwards, enter the ventilation groove 244 and then flow out of the electric field generating device 100 through the air outlet hole 215 on the other hand. The water baffle 24 can prevent a small amount of water from entering the rear shell 21 without affecting the ventilation function of the rear shell 21, thereby playing a role in water resistance and avoiding damage to electronic components (not shown) on the main control board 4 due to water.

Returning to fig. 4, the rear wall 211 is provided with a protruding rib 217 protruding forward, and the protruding rib 217 is connected with the side wall 212 and encloses the positioning cavity 104 forming the positioning water baffle 24 with the side wall 212. The shape and size of the water deflector 24 are substantially identical to the shape and size of the positioning cavity 104, and no obvious gap exists between the water deflector 24 and the inner wall of the positioning cavity 104. The water baffle 24, the rear wall 211 and the positioning cavity 104 are surrounded together to form a water baffle bin 240, so that water rushing into the rear shell 21 from the air outlet 215 can be prevented from overflowing everywhere, and water entering the water baffle bin 240 is discharged from the water discharge hole 216.

With continued reference to fig. 4 and 10, the contact pin plate assembly 25 is mounted on the other side of the rear case 21 corresponding to the battery compartment 102, and the contact pin plate assembly 25 is located between the battery compartment 102 and the rear wall 211 and electrically connects the main control board 4 and the battery block 5. The contact pin plate assembly 25 is provided with a contact pin plate 251, a plurality of contact pins 252 electrically connected with the contact pin plate 251, a contact pin sleeve 253 for fixing the contact pins 252, and a sealing pad 254 positioned at the rear side of the contact pin plate 251. The contact pin plate 251 is parallel to the rear wall 211 of the rear case 21, and a plurality of ribs 218 extending forward to support the contact pin plate 251 are provided on the rear wall 211, and the contact pin plate 251 is mounted on the ribs 218 by fasteners (not shown). The contact pins 252 extend forward from the contact pin plate 251 toward the battery compartment 102 and are electrically connected with the battery block 5. The touch pad 251 is electrically connected to the main control board 4 through touch pad wires 256. The sealing gasket 254 is clamped between the contact pin plate 251 and the ribs 218, a plurality of sealing chambers 255 are formed between the sealing gasket 254 and the ribs 218 and the rear wall 211, and the plurality of sealing chambers 255 can seal components (not shown) arranged on the back surface of the contact pin plate 251, so that even if water accidentally enters the battery chamber 102 when the battery block 5 is replaced, the entering water does not contact the components on the contact pin plate 251, the contact pin plate assembly 25 can be protected, and the service life of the contact pin plate assembly 25 can be prolonged. As shown in fig. 11, a stylus sleeve sealing piece 257 is further arranged between the bottom of the stylus sleeve 253 and the stylus plate 251, and the stylus sleeve sealing piece 257 is arranged around the stylus 252, so that water entering at a gap between the stylus plate 251 and the stylus 252 can be prevented from further affecting components on the back surface of the stylus plate 251.

The third partition rib 210 of the rear cover 2 is provided with a wiring groove 2101 for allowing the contact pin plate wires 256 connecting the contact pin plate 251 and the main control board 4 to pass through, the sealing plug 26 is plugged in the wiring groove 2101 to seal the wiring groove 2101 and closely contacts with the contact pin plate wires 256, and the wiring groove 2101 can be sealed, so that the battery compartment 102 is isolated from the main control board compartment 101, and accidental water inflow of the battery compartment 102 is prevented from further flowing into the main control board compartment 101.

Referring to fig. 12 and 13, the front cover 3 includes a front case 31, and a socket 32, dust cotton 33 and a first seal 34 fixed to the front case 31. The front case 31 includes a front wall 311 and a ring of side walls 312 extending rearward from a peripheral edge of the front wall 311, the front wall 311 being fixed to a front end of the main body 1 by fasteners (not shown), the side walls 312 abutting the main body 1 in the front-rear direction. The front wall 311 of the front shell 31 is provided with a plurality of air inlet holes 313, and external air flows into the main control board bin 101 through the air inlet holes 313 for heat dissipation. The dustproof cotton 33 is arranged on the inner side of the front wall 311 corresponding to the plurality of air inlet holes 313, plays a dustproof effect while not affecting air inlet, and can prevent a small amount of water from entering the main control board bin 101. The air inlet 313 provided on the front case 31 and the air outlet 215 provided on the rear case 21 together constitute a vent hole provided on the housing 6 and communicating with the main control board compartment 101. The front shell 31 is internally provided with a blocking rib 316, the blocking rib 316 and the side wall 312 are jointly surrounded to form a mounting groove 317, the dustproof cotton 33 is fixed in the mounting groove 317, and the edge of the dustproof cotton 33 is attached to the peripheral groove walls of the mounting groove 317 to form interference fit.

The front wall 311 is provided with a socket hole 314, the socket 32 is fixed to the socket hole 314 protruding from the front wall 311, and a first seal ring 34 is provided between the socket 32 and the socket hole 314 to seal a gap between the socket 32 and the socket hole 314. Meanwhile, the second sealing ring 321 is arranged in the socket 32, and after a plug (not shown) of the adapter socket 32 is inserted, the plug (not shown) is in contact fit with the second sealing ring 321, so that the sealing effect is achieved. The socket holes 314 are located outside the area of the mounting groove 317, that is, the dustproof cotton 33 avoids the socket 32, and the dustproof cotton 33 is of a monolithic structure, so that the manufacturing is simpler.

Referring back to fig. 4 and 5, the battery block 5 includes a battery portion 51 and a control portion 52 located at the front end of the battery portion 51, a battery core (not shown) is provided in the battery portion 51, a control board (not shown) is provided in the control portion 52, a step surface 53 is formed between the control portion 52 and the battery portion 51, the battery block 5 is inserted into a battery compartment 102 from the front side, the battery portion 51 is located in the battery compartment 102, and the control portion 52 is located outside the battery compartment 102 and the front cover 3 jointly seals the opening of the front side of the main body 1. The front end face of the main body 1, which is positioned around the top of the battery compartment 102, is defined as a battery supporting surface 13, a high-elasticity battery sealing gasket 54 is arranged on the step surface 53, and the battery sealing gasket 54 is pressed against the battery supporting surface 13 of the main body 1 to form a seal, so that water inflow at the top opening of the battery compartment 102 is avoided. Meanwhile, the control part 52 of the battery block 5 is attached to the side wall 312 of the front cover 3, the side wall 312 of the front cover 3 is provided with a clamping groove 315, the battery block 5 is provided with an elastic clamping block 55, and the clamping block 55 and the clamping groove 315 are mutually buckled to prevent the battery block 5 from being separated from the battery bin 102.

The sealing gasket 254 is arranged between the contact pin plate assembly 25 and the rear wall 211 in the rear cover 2 of the electric field generating device 100 of the electric field therapeutic apparatus 1000, so that water which accidentally enters the battery compartment 102 can be prevented from contacting components on the contact pin plate assembly 25, and the service life of the contact pin plate assembly 25 can be prolonged.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. An electric field generating device for an electric field therapeutic apparatus, which comprises a housing, a main control board, a battery block and a contact pin plate assembly, wherein the housing is provided with an accommodating cavity, the accommodating cavity comprises a main control board bin for accommodating the main control board and a battery bin for accommodating the battery block, the housing is provided with a rear wall positioned at the rear side of the battery bin, and the contact pin plate assembly is positioned between the battery bin and the rear wall and is electrically connected with the main control board and the battery block, and the electric field generating device is characterized in that: the contact pin plate assembly comprises a contact pin plate, a plurality of contact pins and a sealing gasket, wherein the contact pin plate is parallel to the rear wall, the contact pins protrude forward from the contact pin plate towards the battery block, and the sealing gasket is arranged on the rear side of the contact pin plate and clamped between the contact pin plate and the rear wall.

2. The electric field generating apparatus of claim 1, wherein: the back wall is provided with a plurality of ribs extending forwards, the sealing gasket is propped against the ribs, and a plurality of sealing bins are formed among the sealing gasket, the ribs and the back wall.

3. The electric field generating apparatus of claim 1, wherein: the stylus plate assembly further comprises a stylus sleeve for fixing the stylus, and a stylus sleeve sealing piece is arranged between the stylus sleeve and the stylus plate.

4. The electric field generating apparatus of claim 1, wherein: the contact pin board is electrically connected with the main control board through contact pin board wires, the shell is provided with a partition board for separating the main control board from the battery bin, and the partition board is provided with a wiring groove for the contact pin board wires to pass through.

5. The electric field generating apparatus of claim 4, wherein: the contact pin plate comprises a sealing plug for sealing the wiring groove, and the sealing plug is in close contact with the contact pin plate wires.

6. The electric field generating apparatus of claim 4, wherein: the shell comprises a main body, a rear cover positioned at the rear end of the main body and a front cover positioned at the front end of the main body, wherein the rear cover is provided with a rear wall and a circle of side walls extending forwards from the peripheral edge of the rear wall, a third separation rib extending up and down is arranged in the rear cover, and the third separation rib forms the wiring groove.

7. The electric field generating apparatus of claim 1, wherein: the shell comprises a main body, a rear cover positioned at the rear end of the main body and a front cover positioned at the front end of the main body, wherein the main body is in a cylinder shape with front and rear openings and is provided with a front opening and a rear opening which are oppositely arranged, the battery block comprises a battery part and a control part positioned at the front end of the battery part, the front cover and the control part are arranged side by side and seal the front opening of the main body, and the rear cover seals the rear opening of the main body.

8. The electric field generating apparatus of claim 7, wherein: the battery pack comprises a main body, a battery bin and a control part, wherein a step surface is formed between the control part and the battery part, a battery sealing gasket is arranged on the step surface, and the battery sealing gasket is propped against the front end surface of the main body, which is positioned around the battery bin.

9. The electric field generating apparatus of claim 7, wherein: the control part is attached to the front cover, the front cover is provided with a clamping groove, and the control part is provided with an elastic clamping block matched with the clamping groove.

10. An electric field therapeutic apparatus, characterized in that: comprising an electric field generating device according to any of claims 1-9, an electrode patch and an adapter, said electrode patch being electrically connected to said electric field generating device via said adapter.