CN208316584U - A kind of Switching Power Supply of subway automatically-controlled door - Google Patents
A kind of Switching Power Supply of subway automatically-controlled door Download PDFInfo
- Publication number
- CN208316584U CN208316584U CN201820988581.8U CN201820988581U CN208316584U CN 208316584 U CN208316584 U CN 208316584U CN 201820988581 U CN201820988581 U CN 201820988581U CN 208316584 U CN208316584 U CN 208316584U
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- China
- Prior art keywords
- circuit
- power supply
- shell
- press strip
- tds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 230000001413 cellular effect Effects 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Abstract
The utility model provides a kind of Switching Power Supply of subway automatically-controlled door, including shell, the upper cover being fixedly connected with the casing, and it is fixed at the intracorporal circuit device of shell, circuit device includes power switch circuit, current rectifying and wave filtering circuit, chip power supply circuit and pwm control circuit；Power switch circuit includes 2 power tubes；Current rectifying and wave filtering circuit includes 2 output rectifying tubes；It is structurally characterized in that: further including press strip, pressing plate and temperature detect switch (TDS)；Upper lid is equipped with one group of cellular heat release hole；2 power tubes are fixed on shell by press strip；2 output rectifying tubes are fixed on shell by pressing plate；Temperature detect switch (TDS) is fixed on press strip；Chip power supply circuit is electrically connected by temperature detect switch (TDS) with pwm control circuit.The utility model can effectively reduce overall volume and enable the easily corresponding narrow position installation on subway, and be able to achieve overheat self-shield to effectively prevent Switching Power Supply to damage because of overheat.
Description
Technical field
The utility model relates to field of switch power, and in particular to a kind of Switching Power Supply of subway automatically-controlled door.
Background technique
The driving power of subway automatically-controlled door generallys use Switching Power Supply, to guarantee that subway automatically-controlled door can adapt to test and pole
It is remained in the case of end using the Switching Power Supply of subway automatically-controlled door generallys use 350W Switching Power Supply, and 350W Switching Power Supply is usual
It is made of shell and circuit device, circuit device mainly includes the circuit board of installation inside the shell, is provided with correlation on circuit board
Circuit, circuit are made of a large amount of electronic components, and circuit is the mature prior art, due to the shell sizes of 350W Switching Power Supply
It is usually smaller, and output power is relatively large when working, so that more heat can be generated inside it when Switching Power Supply works, it is special
Primary side power tube in circuit it is not and when output rectifying tube can generate more heat, especially primary side power tube and work
Temperature is higher, and the Switching Power Supply of subway automatically-controlled door, which is installed and used, in addition is constantly located in closed cabinet, therefore Switching Power Supply
Heat dissipation it is particularly significant.The Switching Power Supply of subway automatically-controlled door common at present generallys use built-in fans and radiates, no
Foot place is: one is constrained to outer casing of power supply size, and built-in fans are usually smaller, and fan cooling effect is limited, Switching Power Supply
Using dust stick on top is had on long electric fan, heat dissipation effect is further influenced, is tested in subway automatically-controlled door endurance
Or frequently use when may cause power supply temperature rise it is excessively high in addition damage；Second, the switch of the subway automatically-controlled door with fan cooling
Power supply, it is difficult to install in the narrow installation space that overall dimensions design it on subway.
Utility model content
The purpose of this utility model is: aiming at the problems existing in the prior art, provide a kind of improved subway of structure from
The Switching Power Supply of dynamic door, the Switching Power Supply is easy for installation on subway, and when use can effectively radiate and can realize automatically
Hot self-protection, so as to be effectively applicable to subway automatically-controlled door.
The technical solution of the utility model is: the Switching Power Supply of the subway automatically-controlled door of the utility model, including shell, with
The upper cover that shell is fixedly connected, and it is fixed at the intracorporal circuit device of shell, foregoing circuit device includes circuit board, above-mentioned
Circuit board is equipped with the circuit including power switch circuit, current rectifying and wave filtering circuit, chip power supply circuit and pwm control circuit；
Above-mentioned power switch circuit includes 2 power tubes；Current rectifying and wave filtering circuit includes 2 output rectifying tubes；It is structurally characterized in that: also wrapping
Include press strip, pressing plate and temperature detect switch (TDS)；
Above-mentioned upper lid is equipped with one group of cellular heat release hole；2 power tubes are fixed on shell by press strip；2
Output rectifying tube is fixed on shell by pressing plate；Above-mentioned temperature detect switch (TDS) is fixed on press strip；Said chip supplies
Circuit is electrically connected by temperature detect switch (TDS) with pwm control circuit.
Further embodiment is: above-mentioned temperature detect switch (TDS) is the normally closed temperature detect switch (TDS) that operating temperature is 105 degrees Celsius.
Further embodiment is: above-mentioned press strip is aluminum rectangular body part, and the middle part of press strip is equipped with the screw hole of connection；
Press strip is fixedly connected with the casing by screw.
Further embodiment is: above-mentioned pressing plate be aluminum entirety is elongated and the component of U-shaped profile, pressing plate
Middle part is equipped with the screw hole of connection；Pressing plate is fixedly connected with the casing by screw.
Further embodiment is: the material of above-mentioned shell and upper cover is aluminium.
The utility model has the effect of positive: (1) Switching Power Supply of the subway automatically-controlled door of the utility model passes through
The heat release hole of a large amount of auxiliary heat dissipation is set on upper lid, by press strip by 2 of one of heating device main in circuit device
Power tube is fixed on shell, is consolidated 2 output rectifying tubes of one of heating device main in circuit device by pressing plate
It is fixed to be arranged on shell, it is commonly used in the prior art so as to cancel using shell heat dissipation and press strip and pressing plate auxiliary heat dissipation
The fan of heat transmission, therefore can correspondingly reduce the overall volume of this Switching Power Supply, enable easily to be used on subway
It installs and is installed in the narrow installation space of automatically-controlled door Switching Power Supply.(2) the switch electricity of the subway automatically-controlled door of the utility model
Source can effectively realize that it overheats self-shield, effectively prevent it worked by the way that temperature detect switch (TDS) is arranged in the circuit arrangement
It is especially damaged in endurance test or frequently use because of overheat in journey.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the structural schematic diagram after the upper cover removed in Fig. 1；
Fig. 5 is the circuit structure schematic block diagram of the utility model.
Appended drawing reference in above-mentioned attached drawing is as follows:
Shell 1, upper cover 2, heat release hole 21, press strip 3, pressing plate 4, circuit device 5, circuit board 51, power tube 52, output rectification
Pipe 53, temperature detect switch (TDS) 54.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
(embodiment 1)
In the present embodiment when progress orientation describes, the direction up and down with Fig. 1 is the direction up and down in description,
Direction with Fig. 1 institute direction is the front in description, to be the rear in description back to the direction of Fig. 1.
See Fig. 1 to Fig. 5, the Switching Power Supply of the subway automatically-controlled door of the present embodiment, mainly by shell 1, upper cover 2, press strip
3, pressing plate 4 and circuit device 5 form.
Shell 1 is integrally made of back plate, epipleural, lower side panel and left plate, is preferably adopted in material the present embodiment of shell 1
With the aluminium of easy heat radiation.
Upper cover 2 is aluminum plate body part, and the shapes and sizes of upper cover 2 are matched with shell 1, and upper cover 2 is set to the front of shell 1
And it is fixedly connected with shell 1；Upper cover 2 is equipped with one group of cellular heat release hole 21.Heat release hole 21 is substantially full in upper cover 2 to be laid with
It sets, it, when in use can effective auxiliary heat dissipation by the way that a large amount of heat release hole 21 is arranged in upper cover 2.
Press strip 3 is aluminum rectangular body part, and the middle part of press strip 3 is equipped with the screw hole of connection.
Pressing plate 4 be aluminum entirety is elongated and the component of U-shaped profile, the middle part of pressing plate 3 is equipped with connection
Screw hole.
Referring to fig. 4 and Fig. 5, circuit device 5 include circuit board 51 and temperature detect switch (TDS) 54, and circuit board 51 is fixed at shell
In 1；Circuit board 51 is equipped with circuit, and the circuit on circuit board 51 includes that fuse (being set to input terminal), the filtering of input side are whole
Current circuit, transformer, the current rectifying and wave filtering circuit of outlet side, the power switch circuit that is connected with transformer and chip power supply circuit,
The pwm control circuit that is respectively connected with power switch circuit and chip power supply circuit is connected to current rectifying and wave filtering circuit and PWM
Voltage feedback circuit between control circuit, wherein the main devices of pwm control circuit are main control chip；Power switch circuit
Including 2 power tubes 52, current rectifying and wave filtering circuit includes 2 output rectifying tubes 53.2 output rectifying tubes 53 of 2 power tubes 52
For the main heating device of Switching Power Supply.Circuit on aforementioned circuit plate 51 is the prior art, is not described further.
2 power tubes 52 are fixed on the left plate of shell 1 by press strip 3 using screw；2 output rectifying tubes 53
It is fixed on the epipleural of shell 1 by pressing plate 4 using screw.In use, 2 power tube 52 and 2 output rectifying tubes
53 one side are radiated by shell 1, on the other hand pass through 4 auxiliary heat dissipation of press strip 3 and pressing plate.
Temperature detect switch (TDS) 54 is fixed on press strip 3, and chip power supply circuit passes through temperature detect switch (TDS) 54 and pwm control circuit electricity
Connection；In the present embodiment, temperature detect switch (TDS) 54 preferably uses operating temperature for 105 degrees Celsius of normally closed temperature detect switch (TDS).When work, temperature
Control 54 real-time detection press strip 3 of switch temperature namely 2 power tubes 52 temperature, when the temperature of detection reach 105 degrees Celsius with
When upper, temperature detect switch (TDS) 54 is acted, and state is gone off by normally off, so that the main control chip power loss of pwm control circuit
It stops working, Switching Power Supply accordingly stops working, to realize the purpose of Switching Power Supply overheat self-shield, effectively prevent switch electricity
Source is damaged because of overheat.
To sum up, the Switching Power Supply of the subway automatically-controlled door of the present embodiment is dissipated by the way that a large amount of auxiliary is arranged in upper cover 2
2 power tubes 52 are fixed on shell 1 by press strip 3 by the heat release hole 21 of heat, by pressing plate 4 by 2 output rectifying tubes
53 are fixed on shell 1, using the heat dissipation of shell 1 and 4 auxiliary heat dissipation of press strip 3 and pressing plate, so as to cancel the prior art
In common heat transmission fan, therefore can correspondingly reduce the whole body of the Switching Power Supply of the subway automatically-controlled door of the present embodiment
Product, enables easily to install on subway.It, can be effectively real meanwhile by the way that temperature detect switch (TDS) 54 is arranged in the circuit arrangement
Existing Switching Power Supply overheats self-shield, and Switching Power Supply is effectively prevent to damage because of overheat.
Above embodiments are the explanations to specific embodiment of the present utility model, rather than limitations of the present invention,
Person skilled in the relevant technique can also make various changes in the case where not departing from the spirit and scope of the utility model
It changes and changes and obtain corresponding equivalent technical solution, therefore should to be included into this practical new for all equivalent technical solutions
The scope of patent protection of type.
Claims (5)
1. a kind of Switching Power Supply of subway automatically-controlled door, including shell, the upper cover being fixedly connected with the casing, and be fixed at
The intracorporal circuit device of shell, the circuit device include circuit board, and the circuit board is equipped with including power switch circuit, rectification
The circuit of filter circuit, chip power supply circuit and pwm control circuit；The power switch circuit includes 2 power tubes；Rectification
Filter circuit includes 2 output rectifying tubes；It is characterized by also including press strip, pressing plate and temperature detect switch (TDS)s；
The upper lid is equipped with one group of cellular heat release hole；2 power tubes are fixed on shell by press strip；2 defeated
Rectifying tube is fixed on shell by pressing plate out；The temperature detect switch (TDS) is fixed on press strip；The chip power supply electricity
Road is electrically connected by temperature detect switch (TDS) with pwm control circuit.
2. the Switching Power Supply of subway automatically-controlled door according to claim 1, it is characterised in that: the temperature detect switch (TDS) is movement
The normally closed temperature detect switch (TDS) that temperature is 105 degrees Celsius.
3. the Switching Power Supply of subway automatically-controlled door according to claim 1, it is characterised in that: the press strip is that aluminum is rectangular
Body part, the middle part of press strip are equipped with the screw hole of connection；Press strip is fixedly connected with the casing by screw.
4. the Switching Power Supply of subway automatically-controlled door according to claim 1, it is characterised in that: the pressing plate is the whole of aluminum
Body is elongated and the component of U-shaped profile, and the middle part of pressing plate is equipped with the screw hole of connection；Pressing plate passes through screw and shell
It is fixedly connected.
5. the Switching Power Supply of subway automatically-controlled door according to any one of claims 1 to 4, it is characterised in that: the shell and
The material of upper cover is aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820988581.8U CN208316584U (en) | 2018-06-25 | 2018-06-25 | A kind of Switching Power Supply of subway automatically-controlled door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820988581.8U CN208316584U (en) | 2018-06-25 | 2018-06-25 | A kind of Switching Power Supply of subway automatically-controlled door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208316584U true CN208316584U (en) | 2019-01-01 |
Family
ID=64707829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820988581.8U Ceased CN208316584U (en) | 2018-06-25 | 2018-06-25 | A kind of Switching Power Supply of subway automatically-controlled door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208316584U (en) |
-
2018
- 2018-06-25 CN CN201820988581.8U patent/CN208316584U/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20221031 Decision number of declaring invalidation: 58860 Granted publication date: 20190101 |
|
| IW01 | Full invalidation of patent right |