Desk computer power supply capable of automatically cutting off power at high temperature
Technical Field
The invention relates to the technical field of computers, in particular to a desktop computer power supply capable of automatically cutting off power at high temperature.
Background
The application of computers is more and more common in China, after the innovation is opened, the number of Chinese computer users is continuously increased, the application level is continuously improved, and particularly, the application in the fields of Internet, communication, multimedia and the like obtains good results. In 1996 to 2009, the number of computer users increased from 630 to 6710 million, and the number of networked computers increased from 2.9 to 5940 million. Internet users reach 3.16 million, wireless internet has 6.7 million mobile users, and mobile phone internet users reach 1.17 million, which is the first worldwide.
The power that uses on present desktop computer, its inside all can be equipped with heat abstractor, but power heat abstractor can appear the dust after long-time the use and block up, leads to the fan stall easily, and because inside the power, be difficult to discover, this will make the inside temperature of power rise rapidly, directly leads to the power to damage, so needs a desktop computer power of high temperature auto-power-off.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a desktop computer power supply capable of automatically cutting off power at high temperature, which solves the problem that the power supply is easily damaged after a fan stops rotating after a heat dissipation device in the desktop computer power supply is used for a long time.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a desk-top computer power of high temperature auto-power-off, includes power supply housing, power supply housing's one end fixed mounting has power plug, power plug's one end fixedly connected with terminal, the fixed intercommunication of power plug's one end has the protecting tube, the inner wall of protecting tube cup joints with the surface mounting of terminal, the air intake has been seted up to power supply housing's one end, power supply housing's other end inner wall fixed mounting has radiator fan, the air outlet has been seted up to power supply housing's other end inner wall.
The power supply comprises a power supply shell, and is characterized in that a mounting plate is fixedly connected to the inner wall of one end, close to an air inlet, of the power supply shell, a first sleeve is fixedly mounted on the surface, close to the air inlet, of the mounting plate, an inserting rod is inserted into the inner wall of the first sleeve in a sliding mode, one end of the inserting rod extends to the outside of the first sleeve, a fixing plate is fixedly connected to one end of the inserting rod, the top and the bottom of the fixing plate are respectively connected with the inner top wall and the inner bottom wall of the power supply shell in a sliding mode, spring holes are formed in the top and the bottom of the fixing plate, a pressure spring is fixedly connected to the inner wall of each spring hole, an ejector rod is fixedly connected to one end of each pressure spring, the outer surface of each ejector rod is inserted into the.
The middle part of the fixed plate is fixedly provided with an insulator, the middle part of the insulator is fixedly provided with a spring piece, one end of the spring piece is sleeved with the surface of the binding post in a sliding mode, and the surface of the fixed plate, which is close to the air inlet, is fixedly connected with a sliding rod.
The inner wall of the power supply shell is provided with a flow guide hole, one end, close to the air inlet, of the flow guide hole is fixedly communicated with a second sleeve, the inner wall of the second sleeve is connected with the surface of the sliding rod in a sliding mode, the other end of the flow guide hole is fixedly communicated with an induction pipe, and alcohol is arranged inside the induction pipe, the flow guide hole and the second sleeve.
Preferably, the inner wall of the sliding groove is in an arc shape, and the inner wall of the sliding groove is matched with one end of the ejector rod.
Preferably, the inner wall of the power supply shell close to the air inlet is inserted with a reset rod in a sliding mode, one end of the reset rod is fixedly connected with the surface of the fixing plate, and the surface of the reset rod is in an L shape.
Preferably, an anode magnet is fixedly connected to the inner bottom wall of the first sleeve, a cathode magnet is fixedly connected to the other end of the inserted link, and the cathode magnet is magnetically connected to the anode magnet.
Preferably, the length of the second sleeve and the slide rod is larger than the linear distance between the cathode magnet and the anode magnet.
Preferably, the surface of the spring piece is fixedly connected with a contact salient point, and the surface of the contact salient point is in an arc shape.
(III) advantageous effects
The invention provides a desktop computer power supply capable of automatically cutting off power at high temperature, which has the following beneficial effects:
(1) this desk-top computer power of high temperature auto-power-off, the water conservancy diversion hole has been seted up through the inner wall that sets up power shell, the fixed intercommunication of one end that the water conservancy diversion hole is close to the air intake has the second sleeve pipe, the surperficial sliding connection of second sheathed tube inner wall and litter, the fixed intercommunication of the other end in water conservancy diversion hole has the induction tube, water conservancy diversion hole and the inside alcohol that all is provided with of second sheathed tube, reached and utilized expend with heat and contract with cold principle to carry out the effect of disconnection to the power, after heat abstractor damages in the power, alcohol absorbs the heat, and then the inflation, promote the litter, the litter drives the spring leaf on fixed plate surface and slides and the electric connection disconnection of terminal, thereby the effectual problem of damaging the power after heat abstractor uses the fan stall for a.
(2) This desk-top computer power of high temperature auto-power-off, one end inner wall fixedly connected with compression spring through setting up the spring hole, compression spring's one end fixedly connected with ejector pin, the surface of ejector pin is pegged graft with the inner wall slip in spring hole, the spout has all been seted up to the interior roof and the interior diapire of power casing, the inner wall of spout is pegged graft with the one end slip of ejector pin, can prevent effectively that alcohol from being heated the inflation unstability and causing the one end of spring leaf and the surface of terminal to make a round trip to slide to cup joint the problem that produces the electric spark easily, damage the back at heat abstractor, only when alcohol is heated the inflation to can produce certain pressure, the inner wall that can the instantaneous one end that promotes the ejector pin left the spout, make the outage, thereby the effectual problem of using back fan stall and damaging.
(3) This desk-top computer power supply of high temperature auto-power-off has the insulator through the middle part fixed mounting who sets up the fixed plate, and the middle part fixed mounting of insulator has the spring leaf, can prevent effectively that the electric leakage accident from appearing in the spring leaf, guarantees simultaneously insulating, prevents to appear the electric shock accident.
(4) This high temperature auto-power-off's desk-top computer power supply through setting up first sheathed tube inner diapire fixedly connected with anode magnet, and the other end fixedly connected with cathode magnet of inserted bar, cathode magnet and anode magnet magnetism are connected, have reached the effect of accelerating the outage, and when the fixed plate slided to the mounting panel direction, cathode magnet and anode magnet magnetism were connected, can accelerate the sliding speed of fixed plate for the outage.
(5) This desk-top computer power supply of high temperature auto-power-off, it has the release link to slide to peg graft through the inner wall that sets up the power casing and be close to the air intake, the one end of release link is connected with the fixed surface of fixed plate, the surface of release link is the L shape, can be at power maintenance completion back reconnection power plug's effect, outside pulling release link, the release link drives the surface of ejector pin in the fixed plate and pegs graft with the inner wall slip in spring hole, the one end of spring leaf cup joints with the surface slip of terminal simultaneously, the power switch-on.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a first sleeve construction of the present invention;
FIG. 3 is a cross-sectional view of a protective tube according to the present invention;
fig. 4 is a cross-sectional view of the spring hole structure of the present invention.
In the figure: a001 power supply shell, A002 power plug, A003 binding post, A004 protective tube, A005 air inlet, A006 radiator fan, A007 air outlet, A008 mounting plate, A009 first sleeve, A010 inserted bar, A011 fixed plate, A012 spring hole, A013 compression spring, A014 ejector pin, A015 chute, A016 insulator, A017 spring leaf, A018 slide bar, A019 diversion hole, A020 second sleeve, A021 induction tube, A022 reset lever, A023 anode magnet, A024 cathode magnet, A025 contact bump.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to figures 1-4 of the drawings,
example 1
The utility model provides a desk-top computer power of high temperature auto-power-off, includes power supply housing, power supply housing's one end fixed mounting has power plug, power plug's one end fixedly connected with terminal, the fixed intercommunication of power plug's one end has the protecting tube, the inner wall of protecting tube cup joints with the surface mounting of terminal, the air intake has been seted up to power supply housing's one end, power supply housing's other end inner wall fixed mounting has radiator fan, the air outlet has been seted up to power supply housing's other end inner wall.
The power supply comprises a power supply shell, and is characterized in that a mounting plate is fixedly connected to the inner wall of one end, close to an air inlet, of the power supply shell, a first sleeve is fixedly mounted on the surface, close to the air inlet, of the mounting plate, an inserting rod is inserted into the inner wall of the first sleeve in a sliding mode, one end of the inserting rod extends to the outside of the first sleeve, a fixing plate is fixedly connected to one end of the inserting rod, the top and the bottom of the fixing plate are respectively connected with the inner top wall and the inner bottom wall of the power supply shell in a sliding mode, spring holes are formed in the top and the bottom of the fixing plate, a pressure spring is fixedly connected to the inner wall of each spring hole, an ejector rod is fixedly connected to one end of each pressure spring, the outer surface of each ejector rod is inserted into the.
The middle part of the fixed plate is fixedly provided with an insulator, the middle part of the insulator is fixedly provided with a spring piece, one end of the spring piece is sleeved with the surface of the binding post in a sliding mode, and the surface of the fixed plate, which is close to the air inlet, is fixedly connected with a sliding rod.
The inner wall of the power supply shell is provided with a flow guide hole, one end, close to the air inlet, of the flow guide hole is fixedly communicated with a second sleeve, the inner wall of the second sleeve is connected with the surface of the sliding rod in a sliding mode, the other end of the flow guide hole is fixedly communicated with an induction pipe, and alcohol is arranged inside the induction pipe, the flow guide hole and the second sleeve.
Example 2
The utility model provides a desk-top computer power of high temperature auto-power-off, includes power supply housing, power supply housing's one end fixed mounting has power plug, power plug's one end fixedly connected with terminal, the fixed intercommunication of power plug's one end has the protecting tube, the inner wall of protecting tube cup joints with the surface mounting of terminal, the air intake has been seted up to power supply housing's one end, power supply housing's other end inner wall fixed mounting has radiator fan, the air outlet has been seted up to power supply housing's other end inner wall.
The power supply comprises a power supply shell, and is characterized in that a mounting plate is fixedly connected to the inner wall of one end, close to an air inlet, of the power supply shell, a first sleeve is fixedly mounted on the surface, close to the air inlet, of the mounting plate, an inserting rod is inserted into the inner wall of the first sleeve in a sliding mode, one end of the inserting rod extends to the outside of the first sleeve, a fixing plate is fixedly connected to one end of the inserting rod, the top and the bottom of the fixing plate are respectively connected with the inner top wall and the inner bottom wall of the power supply shell in a sliding mode, spring holes are formed in the top and the bottom of the fixing plate, a pressure spring is fixedly connected to the inner wall of each spring hole, an ejector rod is fixedly connected to one end of each pressure spring, the outer surface of each ejector rod is inserted into the.
The middle part of the fixed plate is fixedly provided with an insulator, the middle part of the insulator is fixedly provided with a spring piece, one end of the spring piece is sleeved with the surface of the binding post in a sliding mode, and the surface of the fixed plate, which is close to the air inlet, is fixedly connected with a sliding rod.
The inner wall of the power supply shell is provided with a flow guide hole, one end, close to the air inlet, of the flow guide hole is fixedly communicated with a second sleeve, the inner wall of the second sleeve is connected with the surface of the sliding rod in a sliding mode, the other end of the flow guide hole is fixedly communicated with an induction pipe, and alcohol is arranged inside the induction pipe, the flow guide hole and the second sleeve.
Preferably, the inner wall of the sliding groove is in an arc shape, and the inner wall of the sliding groove is matched with one end of the ejector rod.
Example 3
The utility model provides a desk-top computer power of high temperature auto-power-off, includes power supply housing, power supply housing's one end fixed mounting has power plug, power plug's one end fixedly connected with terminal, the fixed intercommunication of power plug's one end has the protecting tube, the inner wall of protecting tube cup joints with the surface mounting of terminal, the air intake has been seted up to power supply housing's one end, power supply housing's other end inner wall fixed mounting has radiator fan, the air outlet has been seted up to power supply housing's other end inner wall.
The power supply comprises a power supply shell, and is characterized in that a mounting plate is fixedly connected to the inner wall of one end, close to an air inlet, of the power supply shell, a first sleeve is fixedly mounted on the surface, close to the air inlet, of the mounting plate, an inserting rod is inserted into the inner wall of the first sleeve in a sliding mode, one end of the inserting rod extends to the outside of the first sleeve, a fixing plate is fixedly connected to one end of the inserting rod, the top and the bottom of the fixing plate are respectively connected with the inner top wall and the inner bottom wall of the power supply shell in a sliding mode, spring holes are formed in the top and the bottom of the fixing plate, a pressure spring is fixedly connected to the inner wall of each spring hole, an ejector rod is fixedly connected to one end of each pressure spring, the outer surface of each ejector rod is inserted into the.
The middle part of the fixed plate is fixedly provided with an insulator, the middle part of the insulator is fixedly provided with a spring piece, one end of the spring piece is sleeved with the surface of the binding post in a sliding mode, and the surface of the fixed plate, which is close to the air inlet, is fixedly connected with a sliding rod.
The inner wall of the power supply shell is provided with a flow guide hole, one end, close to the air inlet, of the flow guide hole is fixedly communicated with a second sleeve, the inner wall of the second sleeve is connected with the surface of the sliding rod in a sliding mode, the other end of the flow guide hole is fixedly communicated with an induction pipe, and alcohol is arranged inside the induction pipe, the flow guide hole and the second sleeve.
Preferably, the inner wall of the sliding groove is in an arc shape, and the inner wall of the sliding groove is matched with one end of the ejector rod.
Preferably, the inner wall of the power supply shell close to the air inlet is inserted with a reset rod in a sliding mode, one end of the reset rod is fixedly connected with the surface of the fixing plate, and the surface of the reset rod is in an L shape.
Example 4
The utility model provides a desk-top computer power of high temperature auto-power-off, includes power supply housing, power supply housing's one end fixed mounting has power plug, power plug's one end fixedly connected with terminal, the fixed intercommunication of power plug's one end has the protecting tube, the inner wall of protecting tube cup joints with the surface mounting of terminal, the air intake has been seted up to power supply housing's one end, power supply housing's other end inner wall fixed mounting has radiator fan, the air outlet has been seted up to power supply housing's other end inner wall.
The power supply comprises a power supply shell, and is characterized in that a mounting plate is fixedly connected to the inner wall of one end, close to an air inlet, of the power supply shell, a first sleeve is fixedly mounted on the surface, close to the air inlet, of the mounting plate, an inserting rod is inserted into the inner wall of the first sleeve in a sliding mode, one end of the inserting rod extends to the outside of the first sleeve, a fixing plate is fixedly connected to one end of the inserting rod, the top and the bottom of the fixing plate are respectively connected with the inner top wall and the inner bottom wall of the power supply shell in a sliding mode, spring holes are formed in the top and the bottom of the fixing plate, a pressure spring is fixedly connected to the inner wall of each spring hole, an ejector rod is fixedly connected to one end of each pressure spring, the outer surface of each ejector rod is inserted into the.
The middle part of the fixed plate is fixedly provided with an insulator, the middle part of the insulator is fixedly provided with a spring piece, one end of the spring piece is sleeved with the surface of the binding post in a sliding mode, and the surface of the fixed plate, which is close to the air inlet, is fixedly connected with a sliding rod.
The inner wall of the power supply shell is provided with a flow guide hole, one end, close to the air inlet, of the flow guide hole is fixedly communicated with a second sleeve, the inner wall of the second sleeve is connected with the surface of the sliding rod in a sliding mode, the other end of the flow guide hole is fixedly communicated with an induction pipe, and alcohol is arranged inside the induction pipe, the flow guide hole and the second sleeve.
Preferably, the inner wall of the sliding groove is in an arc shape, and the inner wall of the sliding groove is matched with one end of the ejector rod.
Preferably, the inner wall of the power supply shell close to the air inlet is inserted with a reset rod in a sliding mode, one end of the reset rod is fixedly connected with the surface of the fixing plate, and the surface of the reset rod is in an L shape.
Preferably, an anode magnet is fixedly connected to the inner bottom wall of the first sleeve, a cathode magnet is fixedly connected to the other end of the inserted link, and the cathode magnet is magnetically connected to the anode magnet.
Preferably, the length of the second sleeve and the slide rod is larger than the linear distance between the cathode magnet and the anode magnet.
Example 5
The utility model provides a desk-top computer power of high temperature auto-power-off, includes power supply housing, power supply housing's one end fixed mounting has power plug, power plug's one end fixedly connected with terminal, the fixed intercommunication of power plug's one end has the protecting tube, the inner wall of protecting tube cup joints with the surface mounting of terminal, the air intake has been seted up to power supply housing's one end, power supply housing's other end inner wall fixed mounting has radiator fan, the air outlet has been seted up to power supply housing's other end inner wall.
The power supply comprises a power supply shell, and is characterized in that a mounting plate is fixedly connected to the inner wall of one end, close to an air inlet, of the power supply shell, a first sleeve is fixedly mounted on the surface, close to the air inlet, of the mounting plate, an inserting rod is inserted into the inner wall of the first sleeve in a sliding mode, one end of the inserting rod extends to the outside of the first sleeve, a fixing plate is fixedly connected to one end of the inserting rod, the top and the bottom of the fixing plate are respectively connected with the inner top wall and the inner bottom wall of the power supply shell in a sliding mode, spring holes are formed in the top and the bottom of the fixing plate, a pressure spring is fixedly connected to the inner wall of each spring hole, an ejector rod is fixedly connected to one end of each pressure spring, the outer surface of each ejector rod is inserted into the.
The middle part of the fixed plate is fixedly provided with an insulator, the middle part of the insulator is fixedly provided with a spring piece, one end of the spring piece is sleeved with the surface of the binding post in a sliding mode, and the surface of the fixed plate, which is close to the air inlet, is fixedly connected with a sliding rod.
The inner wall of the power supply shell is provided with a flow guide hole, one end, close to the air inlet, of the flow guide hole is fixedly communicated with a second sleeve, the inner wall of the second sleeve is connected with the surface of the sliding rod in a sliding mode, the other end of the flow guide hole is fixedly communicated with an induction pipe, and alcohol is arranged inside the induction pipe, the flow guide hole and the second sleeve.
Preferably, the inner wall of the sliding groove is in an arc shape, and the inner wall of the sliding groove is matched with one end of the ejector rod.
Preferably, the inner wall of the power supply shell close to the air inlet is inserted with a reset rod in a sliding mode, one end of the reset rod is fixedly connected with the surface of the fixing plate, and the surface of the reset rod is in an L shape.
Preferably, an anode magnet is fixedly connected to the inner bottom wall of the first sleeve, a cathode magnet is fixedly connected to the other end of the inserted link, and the cathode magnet is magnetically connected to the anode magnet.
Preferably, the length of the second sleeve and the slide rod is larger than the linear distance between the cathode magnet and the anode magnet.
Preferably, the surface of the spring piece is fixedly connected with a contact salient point, and the surface of the contact salient point is in an arc shape.
Example 6
The invention provides a technical scheme that: the utility model provides a desk-top computer power of high temperature auto-power-off, including power supply housing A001, power supply housing A001's one end fixed mounting has power plug A002, power plug A002's one end fixedly connected with terminal A003, the fixed intercommunication of one end of power plug A002 has protecting tube A004, protecting tube A004's inner wall cup joints with the external fixed surface of terminal A003, air intake A005 has been seted up to power supply housing A001's one end, power supply housing A001's other end inner wall fixed mounting has radiator fan A006, air outlet A007 has been seted up to power supply housing A001's other end inner wall.
The inner wall of one end of the power supply shell A001 close to the air inlet A005 is fixedly connected with a mounting plate A008, the surface of the mounting plate A008 close to the air inlet A005 is fixedly provided with a first sleeve A009, the inner wall of the first sleeve A009 is inserted with a plunger A010 in a sliding manner, the inner bottom wall of the first sleeve A009 is fixedly connected with an anode magnet A023, the other end of the plunger A010 is fixedly connected with a cathode magnet A024, the cathode magnet A024 is magnetically connected with the anode magnet A023, the length of the second sleeve A020 and a slide rod A018 is larger than the linear distance between the cathode magnet A024 and the anode magnet A023, the inner bottom wall of the first sleeve A009 is fixedly connected with the anode magnet A023, the other end of the plunger A010 is fixedly connected with a cathode magnet A024, the cathode magnet A024 is magnetically connected with the anode magnet A023, the effect of accelerating the power outage is achieved, when the fixing plate A011 slides towards the mounting plate A008, the cathode magnet A024 is magnetically connected with the anode, accelerating power failure, one end of a plunger A010 extends to the outside of a first sleeve A009, one end of the plunger A010 is fixedly connected with a fixed plate A011, the inner wall of a power supply shell A001 close to an air inlet A005 is slidably inserted with a reset rod A022, one end of the reset rod A022 is fixedly connected with the surface of the fixed plate A011, the surface of the reset rod A022 is in an L shape, the inner wall of the power supply shell A001 close to the air inlet A005 is slidably inserted with a reset rod A022, one end of the reset rod A022 is fixedly connected with the surface of the fixed plate A011, the surface of the reset rod A022 is in an L shape, the effect of a power supply plug A002 can be reconnected after power supply maintenance is completed, the reset rod A022 is pulled outwards, the reset rod A022 drives the outer surface of a top rod A014 in the fixed plate A011 to be slidably inserted with the inner wall of a spring hole A012, one end of the spring plate A017 is slidably sleeved with the surface of the binding post A003, power supply is connected, the top wall, spring hole A012 has all been seted up to the top and the bottom of fixed plate A011, the one end inner wall fixedly connected with pressure spring A013 of spring hole A012, pressure spring A013's one end fixedly connected with ejector pin A014, the surface of ejector pin A014 and the inner wall sliding insertion of spring hole A012, spout A015 has all been seted up to power casing A001's interior roof and interior roof, spout A015's inner wall and the one end sliding insertion of ejector pin A014, spout A015's inner wall is the circular arc shape, spout A015's inner wall and ejector pin A014's one end looks adaptation, through the one end inner wall fixedly connected with pressure spring A013 that sets up spring hole A012, pressure spring A013's one end fixedly connected with ejector pin A014, the surface of ejector pin A014 and the inner wall sliding insertion of spring hole A012, spout A015's interior roof and interior roof all have been seted up spout A015 to power casing A001, the inner wall of spout A015 and the one end sliding insertion of ejector pin A014, can prevent effectively that alcohol from being heated unstable inflation and the flower problem, after heat abstractor damages, only when alcohol is heated and expands to can produce certain pressure, can instantaneously promote the one end of ejector pin A014 and leave the inner wall of spout A015 for the outage.
The middle part of the fixing plate A011 is fixedly provided with an insulator A016, the middle part of the insulator A016 is fixedly provided with a spring piece A017, one end of the spring piece A017 is in sliding sleeve joint with the surface of the binding post A003, the surface of the spring piece A017 is fixedly connected with a contact salient point A025, the surface of the contact salient point A025 is in an arc shape, the middle part of the fixing plate A011 is fixedly provided with the insulator A016, the middle part of the insulator A016 is fixedly provided with the spring piece A017, the electric leakage accident of the spring piece A017 can be effectively prevented, meanwhile, the insulation is guaranteed, the electric shock accident is prevented, and the surface of the fixing plate A011.
The inner wall of the power supply shell A001 is provided with a flow guide hole A019, one end of the flow guide hole A019 close to an air inlet A005 is fixedly communicated with a second sleeve A020, the inner wall of the second sleeve A020 is connected with the surface of a sliding rod A018 in a sliding manner, the other end of the flow guide hole A019 is fixedly communicated with an induction tube A021, the flow guide hole A019 and the second sleeve A020 are all internally provided with alcohol, the flow guide hole A019 is formed in the inner wall of the power supply shell A001, one end of the flow guide hole A019 close to the air inlet A005 is fixedly communicated with a second sleeve A020, the inner wall of the second sleeve A020 is connected with the surface of the sliding rod A018 in a sliding manner, the other end of the flow guide hole A019 is fixedly communicated with the induction tube A021, the flow guide hole A019 and the second sleeve A020 are all internally provided with alcohol, the effect of disconnecting the power supply by utilizing the principle of thermal expansion and cold contraction is, the sliding rod A018 is pushed, the sliding rod A018 drives the spring piece A017 on the surface of the fixing plate A011 to slide and be disconnected with the electric connection of the binding post A003, and therefore the problem that the power supply is easily damaged after the fan stops rotating after the heat dissipation device in the power supply of the desktop computer is used for a long time is effectively solved.
To sum up, the desktop computer power supply capable of automatically powering off at high temperature is characterized in that a diversion hole A019 is formed in the inner wall of a power supply shell A001, one end, close to an air inlet A005, of the diversion hole A019 is fixedly communicated with a second sleeve A020, the inner wall of the second sleeve A020 is in sliding connection with the surface of a sliding rod A018, the other end of the diversion hole A019 is fixedly communicated with a sensing tube A021, the diversion hole A019 and the second sleeve A020 are internally provided with alcohol, the effect of disconnecting the power supply by utilizing the principle of thermal expansion and cold contraction is achieved, when a heat dissipation device in the power supply is damaged, the alcohol absorbs heat and further expands to push a sliding rod A018, a spring leaf A017 on the surface of a fixing plate A011 is driven to slide to be disconnected from the electric connection of a binding post A003 by the sliding rod A018, a pressure spring A013 is fixedly connected to the inner wall of one end provided with a spring hole A012, one end of the pressure spring A013 is fixedly connected to one end, the inner top wall and the inner bottom wall of the power supply shell A001 are both provided with a sliding groove A015, the inner wall of the sliding groove A015 is in sliding insertion connection with one end of a push rod A014, the problem that electric sparks are generated due to the fact that one end of a spring piece A017 is easily in sliding sleeve connection with the surface of a binding post A003 in a back and forth sliding mode due to unstable thermal expansion of alcohol can be effectively prevented, after a heat dissipation device is damaged, only when the alcohol expands to generate certain pressure due to thermal expansion, one end of the push rod A014 can be instantly pushed to leave the inner wall of the sliding groove A015, power is cut off, an insulator A016 is fixedly arranged in the middle of a fixing plate A011, the spring piece A017 is fixedly arranged in the middle of the insulator A016, the electric leakage accident of the spring piece A017 can be effectively prevented, insulation is guaranteed, the electric shock accident is prevented, an anode magnet A023, the cathode magnet A024 is magnetically connected with the anode magnet A023, the effect of accelerating the power failure is achieved, when the fixed plate A011 slides towards the mounting plate A008, the cathode magnet A024 is magnetically connected with the anode magnet A023, the sliding speed of the fixed plate A011 can be accelerated, the power failure is accelerated, through the arrangement that the inner wall of the power supply shell A001 close to the air inlet A005 is slidably inserted and connected with the reset rod A022, one end of the reset rod A022 is fixedly connected with the surface of the fixing plate A011, the surface of the reset rod A022 is in an L shape, the effect of the power supply plug A002 can be reconnected after power maintenance is completed, the reset rod A022 is pulled outwards, the reset rod A022 drives the outer surface of the ejector rod A014 in the fixing plate A011 to be slidably inserted and connected with the inner wall of the spring hole A012, meanwhile, one end of the spring piece A017 is sleeved with the surface of the binding post A003 in a sliding way, the power supply is connected, therefore, the problem that the power supply is easily damaged after the fan stops rotating after the heat dissipation device in the power supply of the desktop computer is used for a long time is effectively solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.